HomeMy WebLinkAbout82-068RESOL~TTON AbOPTING IMPROVEMENT STANDAR~S FOR SUaDIUISIONS, PARCEL MAPS
AND SITE IMPROV~MEN7S PURSUAN7 70 CHAPTER 20 OF BUTTE COUNTY CODE
WHEREAS, under the provisions of Chapter 20 of the Bu~te County
Code, certain standards governing sanitation, improvemen~s, fee scheduies
and other specific requirements are ~o be established by resolution by the
Baard of S~pervisors.
WHEREAS, the Board of Supervisors has adopted Resolu~ion Nos.
77-49, 77-707, 78-10, 78-100 and 81-223, which resolutions established
improvement standards, and
WHEREAS, it is necessary to revise said improvement standards,
NOW, THEREFORE, BE IT RESOLVED that
1. Resolution Nos. 77-49, 77-107, 78-10, 78-1Q0 and 81-223
are hereby repealed.
2. The Improvement Standards for Subdivisions, Parcel Maps
and 5ite Improvements, as set forth in Exhibit "A",
attached hereto, are adopted.
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PASSED AND ADOPT~D by the 8oard of Supervisors of the County of
Butte, State of California, this~~~th day of Apriz , 1982,
by the following vote:
AYES• Supervisors Dolan, Fulton, Moseley, Saraceni and Chairman Wheeler
NOES: None
ABSENT: None
NOT VOTING: ~~~e .
~r , oard af Supervisors
C nty of Bu~te, State af California
ATTEST: Clark A. Nelson, County Clerk
and ex-officio Clerk of 6oard
Clerk or Deputy
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Published by
Order o~
THE BOAR~.7 QF'
SUPERVISQRS
April 1932
TABLE OF COI~TE~7T5
REVISED IMPROVII~IENT STANI3AAD5 FOR
SiJBDIVZS~QNS, ~'ARCEi, MAPS AI~FD SI,'~E IMPROVEMENTS
PURSUANT TO CHAPTER 20 OF THE BiJT'~E COUNTY' CODE
1.C1U PURPOSE-=-----------------_..____,._...._.._-----__..__-----
2.00 BEFIN~TIONS-----__..___----....__.._____...:-----___....__.._
3.00 GENERAL REQUIREMENTS---~----------------..___..-------
4.00 S'~ANDARI] SHEET~ AND ~CALES------------------------.._
5.00 PLAN DE`TA~LS-______..--------------------.._____..___....
6.00 INSPECT~ON DURING CONSTRUCTION-------------~--------
~.oa FINAI, INSPEC'~ION-------__..---------------...._..___----
8.00 AS-BUILT PLAN'------______...,..----------------..--_....--
9.00 STREETS ANl] HIGHWAYS---~____________.._---------__.~.._
7.0.00 STORM ARAINAGE--------------~---_.,..__.,_..------_...._..__
11.00 SEWAGE AISPOSA~--------_.._______.._..-----------..--...._
~.2.Ob WATER S~FP~'LY_~___---------~---___.._.._..------------....
].3.04 ~'IRE S'~AN]~A.RDS-------------....________.._..------___.,__
~age
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i
3
10
10
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15
I.5
}~ 6
24
42
46..
__:49~
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APPENDIXES
Page
Appendix I
~rba~ Area Maps
C~ica Urba~ A~ea~--------------~~__----------------------_-_____1
Gridley Urban Area----------------------------------~~_----__W__2
Orovil7e ~rban Rrea_________________________~___~~_____----_____3
Mounta~n Recr~ational Area----------------W___-----_~~_----~____4
App~ndix II
Typica~ Sec~ians ~or Commercial - Subdiv~sions---------___~~____~S_~
Typical Sect~o~s for Industrial Subdiv~s~a~s--~-----------------~S-~-q
Typ~ca7 Sect~ons ~ar Ur~an Subd~v~sion RoadsT--~-------~-------_~$_~
Ty~ica7 Sections for Rurai - Subdivision Va71ey 7ype Roads------RS-3
Typical S~ctions f~r Rura7 - H511s~de Mountai~ Recreatio~al
Roads~----------------~_____---------___~__---_~~__----___~__RS-4
~ypical Sec~ions fo~ Rura~ - H~~7side Mountain Recreational
Roads_~____~~---------------------~__-----------------_------R5W5
Typica7 Sectio~ for ~rantage Raads--~---~_________________~~____RS-6
Typica7 5ection for h1ountain ~~creation S~b. Pr~vate Road
Impravement_-~-~---__~~--------__~_~_________________________RS-7
Typica1 Section for Rura7 Subdiv~sion P~ivate Road
Improvemen~___________________~_~--------___~__W___---__-----~S~7A
Typ~ca~ Sections for ~on-~rban Area Land Divisians-------~T-----RS-8-LD
~yp~cal Sections for Urban Area Land Divis~ons--------------~~__~S_g_~p
20 Acres ar Greater or 7/32 Fract~onaT ~~ection or Grea~er-----~-RS-10
Typ~ca7 Sect~o~s for Suburban Lo~s 1 Acre ~1in. ~rban Area----~--SRS-T
Appendix III
Standard Vertica7 & Ro71ed Curb, Gutter & Sidewalk------~-------5-7
S~andard Vertica7 & ~ol~ed C~rb & Gutte~~~______________________5_2
S~andard Drivevray Approach~__~------~~--~-------____~~_____~_---S-3
S~andard Cross Gutter------------------~__~___________W_~_______$_~
5tandard P.C.C. Pedestr7an Ramp Ty~e A------~-------------------$_~
Standard P.C.C. ~edestrian Ramp ~u~e g-___~__~--------------~___S-6
Sta~dard Headwa7~ Structura7 Detaiis--------~~__________________S-7
Sta~da~d GO Type Drop In~et & Detai7s---------~-----------------S-8
Sta~dard GO Type Drop Iniet & De~ai7s With Side Openings----~---S_g(A-7)
A7ternat~ Modi~ied GO Type ~rop Inle~ Wi~h C~ecker P~ate Cover-~S-$~A-2)
Sta~dar~ Type "~" In7e~-----~-------------------------~__-----_WS_g
S~andard Co~crete Tre~ch Cover for Streets & Sidewalks--~-~-----5-10
Standard Street Survey Monu~ent~___~____~__________________~__--S_~~
Sta~~ard Caunty Road Sign---____~~~~---------------~_____T~----_5-12
S~andard Privat~ Raad Sign-_~_____________~_~-_------___W___~__~5-12-A
Sta~dard Stree~ & S~o~ S~g~ Post Detai~s----~~T~----------------5-13
Standard Street Name S~gn Post Qetai~s (Pr7vate Road Sign)~W----5-13-A
S~andard Temporary C~1-d~-sac-----______W______~___-_------_~_~_5-14
Standard Permanent Cu1-de-sac________________~----~__---:---____S_~~
Standard O~~se~ Cu1-~e~sac---------------~__----___~__-----_~___5-15-A
~r.iv~ways ~or Rural-H717s5de ~o~~tain Recreat~onai Areas--------S~I6
11
Appendix ill (Conti~u~ ~
Typical Deta3ls a~ Pavement Replacement and Backfiil
Requirements--_~~__~__~_---W------_~________________________S-~7
Pub17c Road Connection-~--T--_____W___~____________~__~_____~__S_~g
Stan~ard i~anhole_~_____~_W~____________________________________5-~9
Standard Drop Man~o~e------W-----_____W__~_____________________S_20
P.ppraved f~~thods o~ Laying Pipe----~---~~______________________5~27
Typical Met~ad for Set~ing Appurt~nances--------~---T--________S_~~
Standard Flus~ing Ho7e C.i. Fra~e & Cover---~--______~______---S-23
5~andard ~anhole Frame & Cover Deta~ls----~T------------~-~~---S-24
Eccentric Manhole Detai7s--W--_____~______________~W_~_________5-25
Mod~~ied 5-25 Ecce~tric Manhoie for C-I-P-C-PW----____~_~______S-25
Standard 30" Drywel7 on P~67ic R.O.W.-----_~_-----______~___---5-2~
Standar~ Fir~ Hydrant Instailation--___W_______________________S_27
Standard Fire Hydrants-----------------------------------____~_S-28
Sw7m~ing Poo7 Connect~an for F~re Protec~ian------~------------5-29
~Uard Panel & Guard ~ost Detai3sT~--_---~-~-__________~______--$-~0
Priva~e Dr~veway ~eta3~s___~~_~___________~~_~____~__~___~__---S-3i
Cas~-Tn-place Conc~ete Pipe ~n Road or Street Righ~-of~way-T-~-S-32
Out~et Detaiis - Drainage Ditc~-----------------~---------- 5-33
Appendix ZV
Qra~nage Char~s
Ra~~fa~7 Inte~sity Tab7e, Orovili2 Area------------------------D-1
Rain~a~7 Intensity Tab7e, Paradise Area------------------------D~2
Rai~fa~~ ~ntensity Tab3e, Chico Area-~___~_~_~~__~_____________D-3
Minimum Cu~vert Sizes ~or Given °Q°----------~-~--~----~-------D-~
Va7ues ~or Fstimating Coe~~icient o~ Runoff "C°---~-~----------D-S
ffea~wa~er Depth Circu1ar Pipe~---------------------------------D_6
Hea~water Depth Pipe - Arch~_____~___~____~________________~___D-7
~aximu~ Velocities ~or Channel Li~ing~~~_______T_~___~_~_~_~_--D-$
S~one Size ~or Rip-Rap-------_~__~______~____W______~__________D-9
Cuivert CoverW_________W_~______~_~~__________________~____~__-D-10
Drainaae Ca~c~lat~an Form-W__________________________________W_D-17
Appendix V
Su~d~visio~ Agreeme~~ & Bonds-----------------W_~_W--------~---1
Append7x VI
Cons~r~c~~on 5tandards for Commu~ity Water Supp7y We~7s-_____~_~
~~pend7x VII
M~nimum ~seab7e ~o~ Rreas for S~b~~visions a~d Land Div~s~ons
Where Individuai Sewage D~sposal Syste~s Are To Be Use~;
M~n~mu~ Sepa~at~on ~~stances---W_____________________________~
Appe~dix UTII
Fees-----------------------------------------------------------1
171
Appe~dix IX
S~orm Drainage Fees----------T___________________________________1
. Appendix X
Processing F7aw ~hart ~or Parcel Maps a~d Subdiv~sion Maps-------1
Appendix XI
Coun~y ~rd~na~ce #1453, ,~dditio~al i~proveme~t Requirements for
Certai~ Buildings With~n the ~rban Area------------------------7
iv
~MPi20VEMENT S'~ANI]AR]]S FOA
SUBD~VrSIQNS, PARCEL MAPS AND SITE IMPR4~lEMENTS
PiJRS[~ANT TO CHAPTER 20 OF 'i'HE BUTT~ COLiN'~'Y COD~
~
1.00 PURPOS~:
1.01 It is the purpose of these Impravement Standards to provide m~.n~-
mum standards to be app~.ied to impravemez~ts and private works rp be dedicated
to ~he public and accepted by ~tze Coun~y fox~ main.textance ar opera~ion, as we~.1
as improvements to be a.nstalled wi.thin existing rights of way and easements.
~xs is n.ecessa~y in order to provide £'or coardina~ed development o~ requi.red
facilx~ies to he used by and f~r the protection of the public. '~'~xes2 standards
shall app].y to and regul,ate th.e desi.gn and preparation of p~.ans ~or construc~ion
of streets, higYtways, all.eys, drainage, sewerage, stre~t 1ig~tiing, saa~er supply
facila.ties and rel.ated public improvet~enes.
1.02 It is recognazed ~hat it is no~ humanly possibl.E to anticipa~.e a~1
si~ua~ion,s that may arise or to prescri~e s~andards appJ.icable to every s~tu-
ation. Tl~ere~ore, any items or situa~ion. not included in these Iinprovement
Stanc~ards sha7~1 be designed. in accordance with acc~pted engi.neering prac~ice,
the Stan.da~d S~ecifications of the State of Ca~i,~o~nia Depar~ent of Trans-
portata.on, and as specified by the Direc~or of Pub~ic Works.
2_ OC1 3~}~:FT NT TT f]NR • .
2.01 In these Improvement Standards, the inten~ and weaning of the texms
~hat a~e used sha1.7. ~e as d.ef~~,ed in State Stanctard Specifications, and as
herein speci~xca~ly noted.
2:0~-1 Consu~.ting Engineer ~ Any person or persons, ~~.rms, partner-
ship ox carporation l,egal.3.y authorized ~o practice ci.vil, mechanicai
or electxi,ca~. engineerin.g in the State of CaZi~ornia raho prepares
ar subinits improvement plans and specificat~.ons to the Department
of Pub~.ic Works of Butte County for agproval.
2.01-2 Cont~actor - 5haI1 mean any person or persan.s, firm, part-
nership, corporatiazz, or combxnation thereof, Iicensed to per~orm
_x_
t~e ~ype ~ work involved, who has entezE _nto a cantract with any
person, corporation, compan y, special district, o~ tha County o~
Bu~te as party or parties o~ the second part, or hzs or their
T
legal representative, £or ~he constx~uction of any imp~ovement or
portions o~ any impro~emen~ within t~e County of $utte.
2.01-3 County - Sha11 mean County of Butte including special d~s~
t~ic~s a~min~stiexed by County ~oard of Supezvisars.
2.OX-4 Departcnent o~ Public Wozks - Shal~ mean the Depa~tment of
Public Works nf Bu~te Coun~y.
2.OI~5 Dev~~aper - Sha~I mean any person or persons, firm, part-
nership, corpo~ation, o~ com~ination thereo~, ~inanciaZly respons~-
ble ~or the work involved.
2.aI-5 Developmen~ - Shall mean s~ngle propereies as well as
subd~vis~on impravement.
2.01-7 Dixector - Shali mean th~ Directo~ of Public Works of
But~e County acting either direc~ly or through the Chie~s of the
appropriate Divisions of the Department of Pu.bl~c Works or ~hei~
authorized representatives. Director shall a~so mean the Dis~rict
Engzneer where specza~ dis~rzcts are znvnlved.
2.q~-8 ~ng~nee~ - Meaning s~al1 be ~dent~cai ~a the defi~ition
of ~Xrector as he~ein defined.
2;01-9 Laboratory - Shall mean any testing agency or ~es~ing fz~rm
which has been apprvved by the Depa~tment o~ Public Works.
2.01-10 Site Improvements -~haiX mean zequired ~mprovements
other than subdiv~sions.
2.01-1I 5tandard Specificatzons - Sha1~ mean the 1as~ issued
volume of the State ot California Standard Specifications as issued
by ~he Business and Transporta~ian A~ency, Department of Trans-
portation, S~ate of Cal~forn~a,
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2.0~-12 S~ate - As used in the S~a~e Speci~ications, sha ~1 mean
Butte Cc. ~y.
2.0~-13-~3 S~ate Standard Drawangs - Shal1 mean the Standard Dxaw-
~ngs and ~J_ans o~ the State of Cal~for~~a, Business and ~ranspo~-
ta~~on Agency, Depa~~me~t of Txanspo~tat~on.
2.4~-1~ Zoning Class'zfications - ShaZ1 mean ~hose zones es~ab lished
by and as 1is~ed in ~he Bu~~e Coun~y ~oning Cade.
~ . 0~ GE~]ERAL ~iEQUIREMENTS
3.01 Comple~e p~a.n.s and specificat~ons ~'vr al~. proposed stree~s, drain-
ag~ faci~z.'~ies, sewerage, s~reet 1igh~~ng, water d~,stribu~ion systems, ~n-
dus~rial dev'e~op3ments and su'bdivisions, incl.uding any naccssary dedica~ions
and easements shall be su.bmitted to tl~e Departmen~ of 1'~ib~a~c Works for a~prov~
al and this approval must b~: s~bs~tan~~.a~ed by th~: s~gna~ure o~' the Dixector
pr~o~ to ~h~ beg~.nn~.ng a~' construc~Eion o~ any such improvements, The Directox
ar his ~epresenta-~ive sha11 orcler the Con~rac~or to cease work on any praject
if sa~d Con~rac~tor does not have propax~ y approvc~d plans ~.n his possession,
1'ossession o~ a ec~a.ple~e set of County a~praved pl.ans sha11 consii~ute ~he
only necessary ,permi~t ~or a Cor~~rac~or, du1.y I.icensed by the ~ta~te o~'
Cal.ifornia, to perform wo~k of ~he ty~pe i.nvalved in ~he County righ~ of` ~way
or easem.en~. Encroachment permi~s requix~ed fbr site ~mp~ovemen~ and
entxa~ce 5.nto county s~~reams or drain d.i~ches. ~'he Con~rac~or s~iali be
bonded as ~equired and mee~ the requirements o#' the County Code, A].~. ~lans
and spec~~ica~ions for improvemen~s which are ~o'be acceptec3 ~'ar main~enance
by ~he Caun~ty sha11 be pre~ared by a Cansu~.ting En.~ineer o~ th~ appxopria~e branclz
of engineering covering the work submi~E~ted,
3.02 The S~anda~d Spec3f~.cations shal.~'~e made a part of contraut ~.ocu-
ments by n.ote of refexencc w~a.ch sk~all a~pear in the Special Provis~ons and in
~Ehe GeneraZ No~es o~' ~he plans, The not~ of ,re~erence sha11 be as fol~ows:
`rThe ~tandard Speca.~'ica~ions are part of ~he con~~ac~ c~oct~n.en~s
o~' this project a~.d. all ma,~eria~s and cons~ruction sha11 be in
stx~.c~ con~'o~nance wi~h said ~~andard S~ecifica~~,ons or as au~horized
by ~hes e p1.~ns ,,'
w3~
~
3.03 ~~ ss . of plans ~or subdivisions and .- en sets o~ plans fo~
site improvements co~plete and i~ accordance with these Improvement Standaxds
and the Standard Speczfications, sha11 be submi~ted aiong with any require~
specificatiions, camputatiions, tes~ data, and othex ~ater~a~ requested by the
~irector, to the Aepartment vf Pub~ic Works for app~ava~. GJhen th~ plans are
initiaZly submitted to the Depar~menr of Public Warks the plan check fee for
the de~elopmen~ wil~ be requ~red as a deposir tia in~tia~e checking of th~ plans
by :the Directox. Ynspection fees sha1l be paid prior ~o approval of p~ans.
Should the development na~ be carried to completion any portion of ~he required
deposi~ over and a~ave the accu~ulated costs expended by the Department on
the deve~opmen~ w~~l be re£unded to the Daveloper. Shauld there be required
a~~erarions ax rev~s~ans to the pla~s as sub~itted, the D~xector wil~ return
one copy with the required corrections marked or ind~cated thereon. ~f the
plans su~mitted are not prepared in accardance w~th these Impravement S~andards
and ~he S~andard Speci~icat~ons or not ~n keeping with the standards ot the
profession, the Direc~or may ~eturn them u~unarked and unapproved. No plans
wil~ ba approved nor constn~ction authorized until such time as the Directo~
signi~ies h~s appzoval by h~s signa~ure on ~he set of p~a~s and not unless
such changes, corrections or addit~ons are resubmitted to the Director for
approvax as p~ev~aus~y pzescxibed fox the nxiginal plans. Ar such ~ime as the
Consulting Enginee~ prepaxzng the pians has made the necessary rev~s~ans and
the plan check and inspection fees have been pai~, the Director wxxl sign th~
tracings in the space proviaed after the Consuiting Engineer has s~gned them,
'I'he Gons~Iting Eng~neer sha11 deliver the necessary sets of pr~nts from the
approved tracings to the D~rector, -
3.03-1 5hould changes become necessary during cons~ructiqn, the
Consult~ng Engineer must ob~ain the cons~nt of the Director and
resu~mit the plan sheets that are applicable. Nec~ssary changes
sha~l be clearly shown and dated on the plans. Minor changes,
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~
vrh~ch d~ ~~ a~~ect t~e basic ~esign or ~ tract may ~e made upon
~he authorization of the Directoz but said changes must be sho~,~n
on "as-bui1~!' pZans when the cazztract ~s complet~d,
3.03-2 Excep~ed from approval are any fea~uxes of the plans ~ha~
are cont~ary to or con~lict with or ~.o not con~ox~ to any Ca].i.fornia
State I,ac,r, Butte Couzzty Code ar resolution or geneza3.ly accepted
goad engineering practice, i.n keeping with ti~e s~andards o~ the
prafession; even though such errors, omissions or cpn~lict may have
been overlooked i.n the Departmen~. of Public Works review of the
plans.
3.~3-3 ~f the d.eveloper elects to ha~e a xegi.stered ci,vil eng~-
neer or ~icensed la~.d. surveyor other than the engi,neer that pre-
pared th,e p7,ans provi~.e the canstructzon staking I~e shall provide
the Director in ~rriting with the name of the individual ar fi.rm
ane week px~i.or to t~ie stiaka.ng of the project for constnzction.
~e Developer shaZl then be ~resgonsa.b~e for provi.ding pro~essiona].
engineering se~vice for any p~an ch.anges which may be requi.red
dur~ng the construction phase and for the preparation of revised
pl.ans ~or changes a.~ necessary and "as--~ui1t" p].ans upon campletipn
of the constructi.on.
3.03~3,1 Constructior~ Stak~ng
A. Sc~e - It is ~he i.ntent of this section to define the responsi-
b2l~fies of the Contractp~ regarding the use, main~enan,ce, and
~eplacemen.t of constn,ction stakes,
The Develpper's engineer wi11 fu~na.sh the sea~Ces an.d reference
poa,nts ~or the improve~en.ts relatXVe ~o the work and restaki.ng
as required by the County as listed xn, paragraph C of this
sect~on.
B. Control Stakes - Con~rol and re~erence stakes for a1Z construct~oa
t,rozk sha1l be conspzcuousl.q fl.agged. '~he Cpn~ractor sha1l be
-5-
res~ sible for the preservation an~ ~rpetuatian af ~hese goints,
~arks, ana stakes. If the removal of a con~raX paint, ma~k, or
stake is required by the construction aperations, the Contractor
sha~l not~fy the Developer's.engzneer at least two (2) working
days in advance of such operatians. A~ter such adva~ce notice,
the Developer's engineer wii~ perpetuate and remove said con~rol
point.
C. Regu~red Stakin~ - The Deve~oper's enginee~s will ~urnish the
fvllowing stakes and refexence marks.
Z. S~reet G~ading
a. One set o£ slope stakes wi12 be set at a max~~u~ of
fifty-{5Q) ~ovt intervals. Reference stakes wi~l be set a~
an apprapriate o~fse~ ~rom the top o~ c~t or toe of f~11.
The top of cut or toe of ff11 wi~~ not be staked. 'Fhe refer~
ence stake will in~icate the affset ta the ~op of cut o~ toa
of fill and indicate the cut or fill from the re~erence point
to the fiop af cut or toe of til1. '~he refere~ce stakes will
~ndicate the cuts o~ ~il~s and distances fzom the top of cut
ar toe of fill ta the subg~ade hz~ge gaint and cent~rline
subgrade eleva~ion.
b. At street intersect~ons the radius points for pavement
rounding wiZl be staked. '1"h.e eLevation of tha top of the
s~ake will be established and marked vn the witness lath.
2. C~eari~g
When slope stakes are not required the ~oi~owing clearing
stakes wi~1 be set:
On streets and roads, ].a~h mar~Ced 'rCLEA~tr' wi11 be set at
fi.fty-~(50) fao~ intervals at tlne clearing li.mi~s. The Iath
w~.l~ be a~iented so ~he maxki~.g £aces the centarline of the
road. or st~eet.
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3. wer
Sewer trunk ~ines wiil be staked on an appropriate of~set
from sewer cenrezZin,e at ~~fty-(50) foot inte~-tirals on tangents
and ~wenty-firre-(25) ~oot in~ervals on h,or~.zantal and ver~i.ca1
curves. AI1 manhaJ.es and cv.rve points wi.1~ be s~aked on an
appropri,at~ otfset ~ram, the sewer centerline. These stakes~
will 3ndicate ti~e cut to t~Ze flow line of the sewer pipe.
When a flow-I~ne grad.e is ind~.cated on t~e g~ans far a seurer
service, a cut to ~h,e fJ.ow line at the end of the se~rvice
wi11 he maxked.on tlze of~set stake a~ witness lath thereto.
4. Water
1"E-e centerline of wate~ ma~.n.s shai~ be staked at one hun.dred.-
(100) faot intervals on tangents and twenty-five (25) feat o~z
curves ~or horizonta]. a~.igncnent only, Hydrants wi11 be marked
by an offset stake. Fzont Zot cornexs wi.~l be staked a~ an
appropriate offset along the ~.d~ lines and i.t wi11 be the
respans~.bili~y af the Contractor to Zocate raater services as
showzz on the plans rel.ative to said offset ~xont 1ot corn~rs.
5. Curb and G`~ztter
5takes for curb and g~tter wi.~3. be set no z~oxe ~han fa.ve feet
frorn the proposed work and maximum of 25-£oot intez'~rals, Sub-
grade and ~orms shall be checked hy tha .in,spector prior to
pouring curb and gutter.
6. Cross Cu~.verts
The ends of all cross culverts wi11 be staked bq an o~fset
stake set on ~he pro~ongation of the centezli.ne. of t~,e culve~t.
'~ese offset s~akes wi.LZ be marked wi.th a cut oz fi11 to the
~1oYa ~.ine at the. en,ds of ~.he cu~~crerts. The final length of
cross culverts is to ]~e determined ~.n the ~ield at the ~i.me
of stakxng.
~~_
e
7. 3e~gra~nd Storm Drains
Underground stozm drains wi~l be s~aked in ~he same general
manner as sewer tru~k lines.
8. Drain C~annels
'I`~.e centerline of drain channe~s wi~l he marked with lath at
fifty-(50) ~aot interva~s for horizonta~ a~ign~ent o~Iy. When
vertical align~ent is noted on the plans, o~~set g~ade stakes
wi~l be set at fifty-(50} foot ~ntervals.
9. Blue ~aps
One set of bX~e ~ops will be set on ce~ter~ine at finzshed
s~bgrade at fifty-(50) foot inte~als on tangent and Lwenty-
~~ve~(25) footi ~n~ervals on vertical curve by the Develop~r's
engineer, ,A,n. additional set of blue tops wili be set on hinge
points at finished subgrade at fifty-(50) foot intervais on
tang~nts and twenty-~~ve~(25) feet on vertiical curves by the
Cont~actor and checked by the Developex's eng~neer. Any
real~gnment or adjusrmentis of b~ue tops on hznge points wi~~
be reset and rechecked as necessary. 'Th.e Developer wiiZ be
respons~ble ~or stakxng base rock grade from the ~~nzshed
subgrade once t~e subgzade has been accep~ed by the Engineer,
Me~hod of s~aking ~o be approved by the Engineer.
10. Additional Stakes
Any add~tiona~ stakes ~equired by the County wi~l be set at
the ~eveZoper's expense.
D. Checking Service - Should occas~on arzse where the validity of a
stake is questionable, eithe~ as to ~ts lacarxon p~ ~he of£set
marked thereon, or as to the elevatxon of cut or fi~~ marked
thereon, the Gontractor shall notify the En~in~er and Developer's
engineer, wha wi1L check the stake or stakes in question. ~t
_g_
shal~ e the Contractor's ~~s,ponsib~X ~ to examine the stakes
hefore commenc~ng opera~~ons. Any stakes found to ~e in error
wi1~ be reset, The Contractar sha11 be responsible for any errox
in the finished work resulting from any quest~onable or erroneous
stakes not repozted to the Eng~neer or Developer's engineer.
11. Lznes and Grades
At a11 points along any grade ~ine shor,m an the draw~ngs ~etween
the points at which the grade elevations are g~ven, ~he g~ades
shal~ confo~n ~o a straight Iine except tha~ grading thraugh a
vextical curve sha11 conform ~o a smoot~ curvilinear a~ignmen~,
'~ree consecut~ve pofnts shown on the same rate o~ slope must be
used in cornmon zn order to detect any vazzat~on from a straight
grade and, ~n case any such discrepancy ex~sts, i~ must be re-
ported to the O~m.ex and Engineer. I~ such a discrepancy is not
xeported to the Owner and Engineer, the Contractox shal~ be re-
sponsible for any error in the finishe~ work.
'I~e Con~racto~ sha11 preserve aIl stakes and po~nts set for lines,
gzades, ar m~asuremen~s of ~he work in their proper places unt~~
authozized to remove ~hem by the Developer and Engineer. AI1 ex-
penses zncurred in replacing stakes t~at have been remov~d without
proper autharzty shall be paid by fihe Con~xactor.
3.0~ All utilities are to be shown on the plans. In adaition, the Con-
sulting Engineez sha1l contact the ut~l~~ies involved early in tha p~anning
stage and suhmit to the ut~~ity companies invo~ved, p~in~s of the appro~ed plans.
This is necessary for ~he utilitias to properLy plan their relocation p~a~ects
and need~d additional fac~Ii~ies. 'I'Eze Consulting Engineer sha11 not~fy the
D~re~tox, by 1~ttex, when and which util~~y companies have been so notified.
'Fhe uti~ity.companies sha~1 submit plans ~or their proposed work to the Depa~t-
ment of Pub~ic Works for approval prior Co stazt of work.
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3.05 ~ddi~zona' copies of impravement plans mav be ~eq~este~ by the
Director at his d~scretion, and these s~a11 be ~urnisned the Coun~y wi~hout
cost.
~ 3.06 "On-site" drainage plans for commercial develop~ents and planned
unit develapm~nt shall con~arm ~o ~he standards con~ained herein, and shall
be submitted to ~he Caunty ~or approva~.
3.07 'The Consu~ting Engineer early in the p~anning stage o~ sub~ivisions
and site improvemen~s, sha~1 obtain the approval of other agencies when their
fac~~itxes are invalved.
4.00 STANDARD ~HEE~S AN~ SCALES:
4.01 Al]. improvement plans s~.aJ.l. be prepared on ~lan and pro~ile sheets
22" or 24" X 3b". F.A.S. sheets, ~'late "A" p1an. and protiLe paper, or special~
cansulting engineer~s sheets which have been accepted by th:e Coun~y. Scales:
Ho~i~ontai 1" = 2d', ~+~' or 50'; Vertical, ~" = 2', 4', or 5', but only the
scale, horizontal. or ~crertical for whi.ch ~he sheet was i.ntended. Desxgn c~'oss-
sections plot~ed on ~" = 5' scal.e, ~aken on ~axis~um 50' intervals sha~l he
submitted r,r~th prelim~n.a~y i.mpravement plans .
4,02 Storm drainage, sanitary sewer an.d water plans may be shown ar~ the
stireet plans or separately as indi.cated above. Street ligi~ting shall be shor,rn
separa~ely. Street ligh~ting p7.ans shall be drawn. to a scaie af 1 inch equa~.s
100 feet with indivi.dual lot dimensions and s~reet dimensions shown. Wf~ere
~c,vel~s are included as a part of the water sqstem., the l.ayout of ~he we~.~ si~e
shall tre dra~rn to a scale no s~nalJ.ex than ~. inch equaJ.s 5~eet ~,rith the layout
covering an axea at least 50 feet in a17. directions from ~he we~l location.
~,ocation of a3.~ ut3lities shall be shown on the as-buil.t plans.
5.04 PLAN DETAILS:
S.OT. A1~. pJ.ans, approved by the County sha1L be grepa~ed in a manner
that wi~~ p~oduce ~.egible prints. A1J. line work must b~ c3.ea~, sharp and
heavy. Letters and numerals u~ust 3~e 1/$ inch minimur~ heigh~, we11 for~ued and
sharp. Numera~.s shoGring prafi~e ele~atzons shal]. no~. be bisec~ed by statian
grid ~.~ne s .
-~.0-
5.02 'Tli,e fc w~ng detazis are to be sho~n c ~ans submitted for approval.
~'~iis daes not in any way exempt the Ca~sult~ng Engineer prepar~ng plans fro~
the responsibi~zty of preparing neat, accurate and campr~henszve plans in k~eping
e
with the standards of the pro~ess~on.
5.02-I T~t~~ Shee~ - On subd~v~sion or improvement p~ans e~~eeding
three sheets in the set, a tit~e sheet shall be prepared shawing
the entire subd~vision or praject complete wit~ subdivision or
assessment district Iim~ts, city iimits, street names, section lines,
grant ~ines and corners, and the locatian wit~~n the County. (M~~~-
mum scale 2" _~ mile), The tit~e sheet sha1l a~so inc~ude an,ind~x
of the sheets; the Consulting Engineer`s name, Iicense mumbe~ and
signature; ~he date and sca~e at the drawing; nor~h arrow and the
block for the necessary appzoval of ~he Director and other o~~icials,
and ~he ~eceipt of fees. A sampZe of the Cn~nty approval black may
be obtaine~ fram th~ Depaxtment o~ Rzblzc Works. A1! sh~ets shall
be 24" X 3b".
~ 5.02-2 'Ttie layout sheet (Sheet 2) sha1~. con~ain thereon th~ entire
subdivision ~anit on one sheet in ske~etan form showin.g d.rai.na,ge
features and sewer and water lines. Drainage pipe sha11. be indi-
ca~ed by d.oubl.e dash ~ines, sewer by single heavy ].i.nes and water
~y heavy do~ted sin,gle lines. Appurtenances such as manholes, valves,
and dzop inlets sha1l be shown i.n their propez 3.ocation. The scale
o~ the subdivz.sion sha11 be J." = 100', or ~f ~h,e subdivision is toa
large to place on on.e sheer, a scale of I" = 200' may be a1l.owed.
An index o~ the plan an~. pro~i~e sheets sha11 be shown on the 3.ayout
shee~.
5,02-3 Title Biocks - Each sheet withi.n the set of drawings sha1Z
show the sheet title, number date, scale, and tkze Consulting Engxneer's
n.ame, signature and Iicen,sc number; ~he nam~ of the County maintenance
water agency or sanitatzon di.stric~, and the ztacr~e of the subdivision
-13~-
~
or asses~~-~nt dis~zzc~, Samp~es may be ~~}ained from the Depart-
ment of Public Works.
5.02-4 Right of Way - Right-of-way Iines, the boundaries o~ lots
fronting on the street, drainage easements, utility ease~ents,
pla~ting easements, sec~ion ~~nes and corners, ~and grant l~nes,
and temporazy ~onstruc~ion easements both exist~ng and groposed
shall ~e shown on the p~ans. Ali righ~-of-way and easement lines
sha1l be properly di~ensioned.
5.02-5 Topography - A11 perti~ent topagraphic ~eatures shall be
shown such as street lines, curbs, sidewalks, should~rs, location
and size of storm and sanxtary sewer ~ines, hkgh water and frequent
inundation levels, water ~ines, gas l~nes, teleghone conduits, ather
underground utilities, exist~ng s~~u.ctures, hauses, trees {4" and
Iarger) and pther foiiage, traftic signals, street lights, pull~
bo~es, underground electrical conduits, dra~nage ditiches, uti~i~y
poles, fire hydrants, retaining wal~s, masonxy structures, and alI
other features of the area w~ich may af~ec~ the design requirements
for the area. Any tree which ~alls within the existing or propos~d
right of way or easement mus~ be shown on the cross section when
requested by the Director. Permzssion ~o remave any tree not re-
quired to be removed by construction in the rights o~ way or ease-
ments must be obtained from the D~rector.
5.02-6 Contours and Elevations - Existing contouxs or supporting
eleva~ions shal~ be shozan on all p~ans submi~ted fvr subdivision,
cosn~ercial improvemenfis, or planne~ uniti developments. The Dra~n-
age Study and Con~our Sheet, if required, shal~ con~ain thereon
cantou~s of ~he subdivision unit and the~immediate vicinity su~fi-
cient to indicate the per~meter o~ areas to be draiaed by each
struct~re; ca~cu~a~ions supporting the des~gn o~ draz~ag~ studies
sha~~ be submitted with the drainage sheet. Scale o~ map sha~1 be
_~~_
of suf~icient saze to c~ear~~ s~ow the ~ra~nage features and the lo-
cation ~f ~ajor structures, but no smal~er than 1'f = 500'.
5.02-7 Pro~i~es -~e glans sha~l as necessary show the prof~Ie
o~ aIl existing roadway centerlines, e~isting edges of pavement,
existing cu~b and gutter f~ow lines, drainage d~rches, storm and
sanitary sewers. All profiles o~ proposed improvements shall s~at~
cen~erZ~ne eZevations at fif~y-~oot intezvals and rate of g~ades, verti-
caI curves and other verticaZ alignment data. Wfzen curb and gutters
are designed for existing Co~nty roads, elevat~ons must be shown
at the outside e~ge pf the travei~ed way, or if road has fv.xl-paved
sect~an, must also be shown twa feet from proposed lip of gutter,
Elevat~ons o~ any warped sur~aces shall be set ar ~wenfiy-five foo~
interva~s. A1~ profiles must be Coordinated with Coun~y sta~ioning
it available. '~,e Consulting Engineer shall contac~ the County for
such stationing. WYzen ~equired by Director, the Consu~tXng Eng~neer
shai~ provide cen~e~Xzn~ profile and cross section information beyqnd
the limits of the prapased development ta £aci~itate se~t~ng proper
vertical alignment within the proposed impravem~nt I~~its.
5.02-8 5tationXng and pr~entation -'The stat~oning on plan and
profile sha1~ read f~pm Ieft to right. Plans shal~ be so arranged
~ha~ the nor~h arrow pa~nts toward t~e top o~ upper ~$0°, inso~ar
as pxactical.
5.02-9 Bench Maxks - The bench marks and darum sha11 b~ c~early
pointed out on the plans both as to location, description an~
elevations. 'The datum sha11 be II.S.G.S, ar U.S.C. & G.S, if avail-
abZe. Consult~ng Engineezs shaZ1 contact ~~e County for Zocation
and elevation of the nearest of~icial ~ench mark.
5.02-1Q The Director may,require that the houndary of rhe pxo~osed
develop~en~ be tied into ~he California Goord~nate System if monu-
-13-
mented rdinate points a~e availab~e F. in a reasonable distance
of said imp~~vements as determined by the Director.
5.02-11 Typical Sections - A typicai section fox each type o~
facility within the impravement, setting out the structural features
sha11 be a pa~t of the plans.
5.Q2-~2 Cross Sections - C~ass sect~ons sha11 be included with the
plans. Wh~n, in limited areas, unusua~ topographic fea~ures or
specia~ condit~ons occur that wou~~ affect the work ~ndividual cross
sections may be shown, on the pertinent plan sheet.
5.02-13 Special Notes - Special notes shal~ be c~early indzcated
an~ it s~a1Z be conspfcuous~y moted on the plans th at a~I con-
struc~ion work and installation shall canfor~ to the State Standard
Specifications, the Bu~te County Subdivision Ordinance and design
standards and that aIl wark is subject to the approval of the
Directox. Notes sha1l can~ain a starement ~hat the cantractor
sha1L veri~y the exzstence and location of al~ utiiities.
6.00 INSPECTION DURING CONS~RUCTION:
6.03. Any improvement, other than "rough gradin.g" const~ucted to County
requirements ~,rhicl~, i.s intended for fut~ure Countp maintenance rESponsibil~ty,
must be inspected d~zzng con.struction by the Director. Each phase of con-
stx~uction must be inspec~ed a~d approvc~d priar to proceed~.ng ~.~ subs~quent
phases.
6.02 Any ~mprovements constructed without inspectian as provided above
or constxv.cted can~rary tia th.e orders or instna.ctions o~ the. Ai~eCtvr will be
deemed as not complying with County requ~.rements an.d w~ll not be accepted
by Butte Coun.ty for maintenance ~urposes . The ConsuJ.ti~x~.g Engin.eer shaZl.
notify the Direc~.or zahen the Contractor first cal~.s for grades ar s~aking.
6,0.~ FdT F1i,ix'pQ52S af the inspection requirement abpve, eznbankmen~s otrer
two feet in heigh~. constructed i.n dedi.cated strc~et right of ways are not
considered "rough gxa~ing". Said "rough grading" in any location sha].~. comply
with County requiremen~s regarding either the d.iversion or blockage o.f natural
_ ~.4..
drai~age. '
6.0~ ~he Cou~_~y wi~~ i~s~ec~ ~he work ~or ulti__.:,ate comp~iance wi~h the
specifications and wil~ n.ot.be responsabl~ fox the conduct o~' ~he work ~tself
or ~he manner in which it is per#'oru~c~.
7.00 FINAL INSPEC'PION:
7.O1 Upon completion a~` any a.mprov~~ents whieh are cons~ruc~ed uxkder
and in con.#'o~ma.nce w~th ~these Ixa~~o~em,ent ~~andarc3s and prior to requesting
a f~na1 i,nsp~c~~on, ~he area sha].l be tharaugh~.y cleaned o~' a11 ruhba~s~Z, excess
ma~texial, and. a11 port~.on,s of ~he work ,sh.a11, be ~.e~~ in a neat and orderly
cond~~t~an sat~sfactoxy to ~he Directo~.
7.02 Wi~hi.n 10 days a~ter receiva.ng ~he xeques~t ~or ~'inal inspect~on,
t~.e Dix~ec~or shal~ inspec~ the work. The Contractor, Consul~ting Engineer, and
Developer, wi11 be not~fa.ed in. writing as to any ,paa~~~.cul.ar d.efects or de-
ficiencies ~o be ~emed~~d. Tk~e ConErac~o~ sha11 paroceed. ~o co~rect ar~y such
defec~s or de~~.ciencies at the eaxliest possible da~e. A-~ such tim.e as the
Wox~k has be~n coinpl~~ed., a second a.nspec~io~ shall be z~ade by ~he D~~ec~or to
determine ~f the previously m~ntioned d.~fec'ts have been repaired, a1~e~ed, and
compl.eted in aeeordance with these Tmprov~men~ Standaxds. A~ such ~ime as ~he
Da.rector approves the work and accepts ~he wark for B~tte Co~n~y, tlae Con-
tractor, Consul.ting Eng;in~er and D~:velopex wi1T. be no~E~~'zed in, writing as to
the date o#' final approval and acceptance by the Depar~znen~ n~' Publ~.c Works,
as authorized 'by ~kze Boa~d o~ Supe~visors.
qn assess~,ent dis~ricts and projects vrhere But~e Coun~y partici-
,pa~es on ~he costs the~eof, quantities wi1~ be measured in. the presence o#' the
Direc~o~, Consulting ~ngineer, an.d Contxac~or, and wi~tnessed accorc~ingly,
5.00 AS--BUZLT PI~AN: .
8.01. One comple~e s~t o~' xeproduc~.b1~ plans, as prescra.bed by the Director,
~r~ii b~ submi.~~ed to ~he ~epartm~n~t of Publ~c Works a~ such titne as a11 cor-
rec~ion.s ar addz~ian.s rec~uested by t~.e Departmen~ af Pub1~.c Works are c omple~e
and approve~., anc~ prior ~Eo ~ssuance o~ plans for bidding pu~poses. These p~.ans
are to be re~ained and u~il~,zed. by the Department o~' PubJac Works ~'or prepar~.ng
-~5--
the '"as-bui~t" plans. ~ttention is directed to SectionG 3.03 and 3.~4 of ~hese
Standards limi~ing the a~tera~ion of a~proved p~ans.
8.02 ~he Cansu~ti~g Engineer shall Keep an accurate record of alI approved
d~viations from the plans. ~hese are to be uti~ized wi~h the Inspector's plans
far preparang a comp~ete and accurate set of "as-b~ilt" t~acin~s for the perman-
en~ records of the County.
9.00 S~REE~'S AI~7D HIG€iIJAXS:
9.01 Street tXpes:
9.0J.--~ RS--1 Conmercia~ Subdivzszon Streets
RS-1-A Industrial S~bd~visian Streets
9.0~-~2 RS-2 U.~ban Subdivision Roacls - Urban deve~opment within urban
ar~a designated in Appendix I and adjace~t to a city shaJ.~ comply witlz the c~ty
standards. RS-2A Urban Subdivision Roads - Major arterial, thrduglz azterial
s~rec:ts collecting traffic from raajor and minor col~ectors.
RS--2B Urban Subdivision Roads -- Major coll~.ctor, a primary resi-
dential stree't collects tzaffzc from minor collectors.
RS-2C IIzban Subdivi.s~on Roads -~inor co~lector, a minar residen~-
ia7. street collects traf~ic a~.ong its frontage.
9.01-3 RS--3 Rura7. Val.~.ey Subdivision Roads - I~on-urban deve7.apment out-
side of mountain recreation line designa~ed on Appendix 1.
RS-3A Va7.ley Subdiv~sion Roac7s - t+Iajo~ th~augh arterials and
collec~ors or average lot firontage up to 100 feet.
RS-3B ValZey Subdivision Roads -- Major ca~.l~ctors or average ~.at
frantage 1~0 £eet to 300 fee~.
RS-3C Valley Subdivisian Roads - P4inor co].lectors or average ].pt
frontage 300 feet or more.
9.01~4 RS-4 Rura~ Mountain Roads, Subdivision Raads - Non-urban
devc:7.opmen~. northexly of mountain recreata.on ~.ine desa.gnated in Appendix I.
RS-4A Rura1 Mountain Subdivision Roads -- Major ar~erials and
coll.ectors oz average lot fron.tage up ~o ~.QO feet.
-ls-
RS-4B R~ral MoUntain Subdivision Roads - Major caZl~c~ors ox
average lot frantage-~~0 ~eet ~v 300 feet.
RS-4C Rural P~ountain Subdzvzsion Roads - Minor collectors or
' avezage lo~ frantage 300 feet or more.
9.0~-5 RS-5A Rural Moun~ain Spli~ Leve~ Roads -~on-urban subdiviszon
deve~opmen~ northe~ly o~ moun~ain recreation line designa~ed on Appendix ~.
RS-5B ~ne-Way Loop Roads - ~on-urban s~bdivision ~eveZqpment
with~n moun~ain recreation ~ine desiqnated an Appendix T.
9.01-6 RS-6 Fzon~age Roads - A street which serves as a frontage with
or without curb, gutter and sidewalk.
9.01-7 RS-7 Mountain Recrea~ional Subdivision Ra~d.
9.01-8 RS-7A Rural 5ubdivzszon Pravate Road Improvemen~.
9.02~9 RS-8LD Nan-urban ~and Div~sion Roads.
9.Q1-10 RS-9Lb U~ban Land Division Roads.
9,Q1-11 RS-10 Twenty Acres ar Greater or i/32 ~rac~ionaz Sect~an or
Greater.
9.OI-12 SRS-1 Sub~rban Subdivision Lots 1 Acre Minimum IIrban Area.
9.Q2 Profiles:
9.02-~ The followi~g standards tor the design of pro~i~es far praposed
improvement shaZl gavern the prepazation of plans for such improve~ents,
9.02-2 Minimum G~ades and Cross Slapes:
a. A4inimum graae on new stzeets shou~d ~e 0.30 ~ercent.
b. Minimum grade of gatter section construc~ed on existing str~e~
shal~ be 0.2Q percent.
c. Standard cross sZope on new streets s~al~ be 2.0 percen~.
d, rlinimum cross s~ope on widening shall be 1.5 percent,
e. Maximum cr~ss slope on wzdening shaZl he 3_0 percent.
f. Whe~ two stree~s intersect,~the minor str~et shal~ not have
a grade gre~ter than 7.0 percent. €or a minzmum dis~ance of
' . . ~0 ~eet measured from ~he cuzb ~in~ qf the
_~~_
- in~ersect~ng stxeet, ~xcept ~~- unusuall,y xaugh terrain,
as de~ermined by ~he D~rectox. ~he cen~er~ine a~ the
lesser i~~ersec~~ng s~raet sha~~ me~t the crown slop~
a~ the pxojected lip o~ gu~ter. Crowr~ slope may be
reduc~d ~o ~.0 parcent w~~hin ~he ~n~ersec~ion if
necessary.
g. Tha roadway~ m3..n.imu~n vextzcal c~ve lengtn alZowable at
~k~~ ~ntex~section o~ ~wo grades skxa.ll be 50 feet, howev~er,
ver~ica~. cttr~res may be omi~t~d wY~~re ~he a~geb~a~c ~.i~-
fe~ence in g~ades does not exceed 2.0 percent or 0.~-
percen~t on crest v'extical curves.
lz. ~toads ~n foothil~. areas below ~he 2,~4p--~'oo~ ~evel shal.l
have a d~sirable maximu~ra g~ade o~ 10°~. S~eeper grac~es ma.y
be authorized i~ ~usti~'a.ed and appx~ove:d by ~he Dz.rec~ar.
Roads i.n excess of X5o shal]. be pav^ed.
~. Roac~s ~n moun~a~n areas abave 2,500 ~ee~ shal.~. have a
desirabl.e ma~~.muvz grade of 15°~. Steepex gxades may be
autharizad ~.~' ~us~t~f~ed and approved by ~he Directo~.
Deczsi.on a#' ~h~ Depar~ment of Pu~b~ic Wnrks concern~ng
grades ~n exc~:ss of ~.5°~ shall. be based upon. ~.ocal snotr
and. fxeezing condi'~ions, Zaca~ion o~' road in reZat~on
to winte~, s~shxne, and ather cansid.e~a~ions. Roads
in excess of 15% sha~.1. be p~,ved.
9.02-3 S~ght Distances:
a. Major roads shaZl b~ based upon a design speed o~' 35
m~.ses pex hour, e~cept ~ha~ ma~or tbxough roads mus~
meet xequiremen~s o~' ~he Di~rec~or a~ Publ.~c Waxka.
b. Access, m~.n.ar, and cuZ-de-sac roads sha~.~. be based upon
a design speed o#' 25 mi,les pe~ haur.
c. One-way loop roac~s skzall be based upon a design speed
of 20 ~ni.les per houx .
-~.8-
~ ~. Avads with grades in ~xcess o~ 5~o intersecting highWays
or ~~ox roads sha1~ have a~~~~imum of thzrty (~0) feet
"storage" area ~'rom the edge of pavexn.en~ of ~he primaxy
r oad .
9. 03 Geo~te~ric and S~~uc~Et~x~al Sec~Eians :
g.03-1. ~'he ~ollowir~g standards Par the design af geome~ric ~?nd
s'~ruc~t~ra1 sec~%o.n.s ~'or proposed im~rovements shall govern' thE
prepara~ion of pl.an.s ~or such improvements .
9.03-2 Cross gu~ters wi.ll be a1low~a onZy w'~.~h th~ speci~'ic approval
of ~he birector.
.g 03-3 Th~ curve data ~'or a~l centtrline curves shaZl be computed
an.d shown. on the plans. Where unusuaZly di~'ficul.-~ alignment problems
exis~ l.ess than minimum curve~radii may be al~,owed when approved by
the Direc~or. Property ~~ne radius a~ curb re~urns for in~ersecting
stree~s sha~~ ~e 20 #'ee~ or suf~'icient ~o aJ~1.ow for cons~rt~ction of
a s~andard pedes~rian xamp.
.~ 03--~- Th.e property line radius for cul-de-sacs sha1.1. be 50 ~'eet
unless otherwis~ specifi~d by ~he Direc~or. A curv'e of 20-foot
rad~.us shall connect the tangent and ~h~ 50-foot radi~s curve. See
Stan~.ard Drawing Nos. S-1.~ anci. 5--~.~.
9.03--~ Slope Banks: F~1.1 s~.opes sha1..1 be 1-~~2:1 ar flat~er (3t~
or ~'.la~ter behind sidewalk} and cut slopes sha11 be 1:1 or ~'l.a~ter
depend5.ng t~pon. the ma~er~a1 encouritered. This may b~ mod.if~ed
when enga.neering s~udies indica~~ th~ need for fl.at~er slopes ox
when stabl.e slopes can be ~a~ntained on a stee~ex gxacle. SZope
rounding shall be provided where reqtxired by ~he ~irector o~'
. Public Works .
9•43°~ C~.earing Ri.gh~ o~ Way. A11 ~tr~es and bxush shall be removed
from the roac~ r~ght o~' way ~o a distance of seven (~') ~'eet ~rom
. ~he edge of ~he paved suxface of the roadway re~;aralass of tY~e
~aidth of tl~e paved section and shall. be cleared a minimum o~ ~h~cee
(3) ~`ee~ ou~side o~' any cut or Pi~l slope, whichever o~' the above is
-~9-
wider. ~~ the intersection, clearing m~ ~'~e requ~red to ~he
gxoperty line for a d~stance o~' 100 fee'~ ~xom the c~nterli~.e of` the
int~rsection shat~ld it be foi~.d r~ecessaxy to prov~.d~ safe sig~.t
' dis~ance for approaching traf~'ic:
.9 03--7 Driveways: In hi.lly ox mountainous areas where sideh3.l~.
cuts and fi11s ~ake access ~o ~o~s un~eas~ble ox~ costly ~o ~he lot
,purchaser or where c~amage ~ay occu~ ~o publie righ~ of way in
~'u~ure driveway construc-~ion, dx~veways shall b~ r'roughed au~~ into
each ~ot at th~ ~im~ o#' grading ~he x5.ght of way and the excess
material c~isposed of in a satis~'ac~ory manner.
9.03-8 Access Roads: A11 xoads to be accepEed for ded~cata.on
and ma~ntenance by ~he Board of Supervisors o~' ~he County o~' But~e
sYaa.11 be paved. Raads and proposed access roads no~E accepted by
sa~d Board sh.all be paved to th~ Qroperty line.
9.03-~ Minimum allowab ~e ~hickness of xoadbed s~ct~on sha11. be
as fo~lows:
9.a3-9.0~. 2" ashplaalt concxete and ~F" agg~ega~e '~ase on
minor roads.
g.0~-9.02 2" ashpal.~ conc~ete and 6" aggragate base on
local access raads.
9.03-9.03 ~" asphal~ concrete and 8" agg~ega~e 1~ase on
ma~or roads. A~hicker section may be required if "R`r
val.ues and ~raffic data demanstrate ~he n.eed .c'~
9.03-~0 Tn thosa areas cons~.dcx~ed. by th~ Directox~ as bein~ cri~~cal
soa.l condi~ion areas, it wi.~~. be reg,uired tnat the pavemen.t be
designed on ~he basis of resi~ta.nce #'ac~or "R" as de~ermined a,n
acco~dance with S~ate of Cala.foxn~.a, Depaxtment o~' Transpor~a~ion,
C~~,~~.~ornia R-va].ta.e aetermina'tion ar oth~r appxoved methad.
.g o3~~1 Th~ ~h5.ckn~ss of va~~ous s~ructuxal camponen~s r,ri~.~. 'b~
~~~erminec~ ~y the ~ab~es, charts, formulas and ,procedures con-
ta~.ned. ~.n the ~~Eate Design M~nual ox as di~~cted by the Director.
-20-
.~ 03-12 mraf~iC indax wi~l be i~ accoxdar ~ wi~~ thos~ shown for
paxt~cular geametric and s~ruc~ura~ design~ set fox~h ~n these
standa~ds ar as required by ~he Director.
' 9.03-~3 ~dge of Pavement ~ratect~on: When paving part~a~ con-
s~xuc~ion of ~he ul~~ma~e stree~ deveZopmen~, the edg~s a~ ~he
cux~rent pavemen-~ are to be pratec~ed by use fl~ 271 X 6" xedwood
headers, construction ~rade, o~ by placing a minimum o~' ane foo~
of aggregate base ~aa~era.al. beyon.d the edge of pavement •to ~he
grade and depth of the pavemen~,
9•d3-1~- Tl~e ~eval.oper shal.l. as a min.imtun be respons~"b1,e for pav~.ng
to the stxeet cen~er.~a.n.e, un~.ess ~he exa.s~irzg pavin~ sec~ion mee~s
~he approx~ma~e cux~x~nt s~andard, and ~he cerz~er~.ine grade and
alzgr~men~t are sa~~isfactory. The Devel.oge~ shall const~uc~ beyond
the centerl.ine in any areas whex~: ~he desi.gn cen~erline dev~.ates
from ~he exis~ing. Where new paving meets the ~x~sti,ng paving,
tkze Developer shal~. over].ay any Zow areas to rea~n~a5,n a uniform
cross sl.ap~.
9.03--1~ A,~l private roads sha~.l be capabl.e of suppoxting a
minim;un ~oad of ~+p, 000 ~paur~d s .
9.0~ Su~vey Monum.ents; ~ubdiva.sa.on:
9.0~---~. Th~ Consult~ng Er~g~neer shall place survey mon.um~n~Gs
at the ~'ollowing Zoca~ions w~thin the i.mprovem.en.~.
9.0~+-1.01 At '~he intexseetion of a11 s~ree~ centerl~.nes,
9.0~---1..Q2 At tha beginning and end o#' cu~ves on ~he s~~ee~
center~in~ as d.esigna~ed by ~kte Di.rector o£ Ptibl~c Wo~ks.
9.Q~--1.03 A~ a11. subd~vision bouridary coxners a~ the
in,~ersection of subdivision bo~ndaries and s~ree~ center-
~.~nes and such o~her loca~ions sa as ~o enable any I.o~
or porta.on o#' ~he improvem,ezat to be retraced ox I.oca~ed.
-21-
~
9.04-2 • e abave-p~escribed monuments :'.I be as follows:
9.04-2.a~ 5ubdivision baundaxy monn~ents excep~ those
xn st~eet pavement shall be no~ less than I~-inch ga~-
vanized iron pipe 3Q inches in length pl~gged and tagged
wxth brass or al~minum tags having the R.E, or ~.5. number
of the person responsible for the survey.
9.04-2.02 Subdivision boundary monuments in street
pavement sha11 be not iess than 3/4" galvanized iron
p3pe 18 inches in ~e~gth. Top of pipe sha~~ be driven
flush with surface pavement.
9.04-2.03 A minimum of two concrete centerline monuments
as shown in Appendix T~I of this resolu tion shal~ be
placed in each subdivzsian of 50 lots or less at locations
which are visib~e ~o each other. Where subdivisions are
curvilinear, an additional two (2) monuments for ~ach sub-
divis~on of 50 iots ar ~ess may be requ~zed. A mi~imum
of two (2) add~tiana~ ~onuments sha1~ he required for
each additionaZ 50 ~ots. Locations and numbex of manuments
sha11 be approved by the Directo~ of Fubl~c Wn~ks. Center-
line monuments on un~mpzoved private road subdivxs~ons ~ay
be affset ~o property line radius returns ~r other approved
locations agree~ to by the eng~neer and ~he Depar~ment of
Public Works. All other Centerline and s~ree~ intersac~~on
monuments sha~l be xai~road spikes, Railroad spikes sha~~
be driven flush with pave~ent surface. 12-inch ~~4 Re-xar
orj3/4" galvan~zed ~ran pipe may be used in lieu o~ ra~l-
~oad spikes with the approva~ of the Director.
9.Q4-2.0~ Permanent survey monumen~s sha~1 be p~aced by
the Cansulting Engineer at a1L section and quarCer corners
-22-
~~.thin the improvement. 'I~-e sEC ~n corne~ ~onuments shall
~e Class "B" canc~e~e, poured in p1aCe, wi.th minimum di.-
u~ensions af 4" ~ 4" X 24.", A me~al survey p~ate wi7.1. b~
fi~rnished, mazked and ins~a].led by the Consulting Enginee~,
Plates shail be placed. be~oxe th,e concrete has acc~uired z.ts
ini~.i.al set and sha1Z be fir~nly embedded in the concrete.
A11 such monuments shall be referenced to pexman~:n~ objects
located nearby and aJ.1 ties shall be furnished the Directox
for general public use. Final approval. v~ the su3~divi.sa.ons
wil~ not be made un~il. suc~. ti.es have been fu~n~.shed ~o the
Directd:r.
9.04-2.05 The Consu~t~ng Exzgine2r shalZ place a n.ote on
a11 construction plans stat~ng that ~he Gontractor is
responsib~.e ~or the protection of aZ~. existing monumen.ts
and o~he~ suzvey markers. (See Section 5.02-1I.)
9.45 Test~ng o.~ Materials:
9.05-1. Testing of materia~s to be util~ze~. ~n work per~ormed under
these S~andards shall be perfarnted in acco~darice with the methods
of the T,abora~ory o~ the Cal.afornia Division af Highways. Sigaed
capies ot the test xesul.ts as required sha11 be submitted to the
Director. Test resul.ts sha11 show cl~arly ~he name a~ the in-
div~dual and the firm performxng the fes~s, as weZl as the nauze
of the project, the da.~e of sampling, and the date of resting.
9.05--2 '~'he t~sts indicated ~n the S~az~dard Specifications wi~.l be
requi.red. In large dev~elopments ox ~hose developments presenting
special prob].ems, a more compreh~nsive and extens~ve testing p~o-
gram may be required. Such condi.ti.ans wiZ3. be evaluated and an
appropriate testing prog~am presc~ibed on an individual basis.
9.06. Right of Way:
9.06-~1 .Minirnum righ~-of-~c.ray ~.ridths shal.3. be as set out Xn ~hese
S~a~.dards for the type of stree~~under considera~ion or as determined
. -23-
by ~he ~~rec~or. Tn no ins~ance, withou} speci~ic approvaZ o~
~he Dix~4tior, s~a11 a str~et have a righ~-of-way wid~h which is
less ~han the s~reet of which zt ~s a contznua~ion. ~ight-o~-way
t xequire~ents for w~den~ng at ~ntersec~ions sha~l be as approved by
the D~x~ctor.
9.07 Signing ar~ BarrYCades:
9.47~~ Stree~ Names - Al~ roads and st~eets w~thin an 3.t~provement
sha~~ be na~ed by ~he owner or subdivider subjec~ to approVal of ~he
Direc~or. No dup~~ca~2on of names a lready in use or previously
praposed w~Z1 be perm~tt~d. Sound-alike na~es or names with more
~han 13 spaces axe not acce~~a~le. Stree~ na~e sxgn.s sha~l be fur-
n~shed and er~e~ed by ~he Coun~y, after ~aymen~ a~ ap~rop~iate ~ees.
Stxee~ r~a me signs sha~l confor~ ~o require~en~s o~ ~hese S~andards.
Stree~ names and s~ree~ name sign locations sha~1 appear on plans
s~tbm,itted for appx~o~ ~.
~.Q7--2 Pert~anen.t Barricades - Whexe ~mprovement onZy covers a
por'~~on of ~he ulti~te im,~rovemeza~ and vrhere an improved street
is propos~d to be extenc~ed in ~he ~'~z~tzre, ~he impxovements Snaii
include a permanent-type barrica~e a~ the end of s~ch a s~reet to
e~~ezzd. comp~etely across ~he righ.t of way ~o serve as a warning ~o
the pubiic. Thc~ baxricade shall ba canstruct~d, erected, pa~.nted,
and. signed in accordance wi~h ~he S~tandarc~ Speci~'~.ca~ions, ~~andard
1?rawin.g Na. 5-30. When nece,ssary, 'barricades ~ay be ~.engthened by
mak~.ng 'thc 2" X 12" plank con~inuous with sp~.icing at the posts.
Gates m~y b~ r~quir~d wh~r~ s~reets stub inta'publ.ic park areas
or in~ress and egress mus~ be provided.
10 . 00 S TORM ~?RA IIVA ~E ;
10.01 ~'hese Standards are to serve only as a g-~zideline ~o drainage des~gn
and indica~e the type of d~sign acceptable to the County Depaxtsnen~ o~'
P~blic Works. Va~iations in ~ype o~' design, such as ~he u~ilizatzan o~'
ac~ual runof~ records, may ba accep~able for ~.sage ... . bu~ their use mus~
_~~._
be agprvved f :he Depa~~ment o~ Public Works ior to the des~gn stage,
10.01-1 Generax -'1`l~e project sha~1 be prvtected trom xnundation,
flood hazaxd, sheet ovexflow and po~ding of 1ocal stiorm water,
springs and other suxface wat~rs. The design of ~mprovements shall
be such that water accumu~at~ng within the praject will be carried
away ~rom the projec~ without injury to any ad~acent improve~ents,
~esidentzal sites, or residences to be instalLed on s~tes with~n the
project, or to adjoining areas. Water accurmzZating with~n the
project, sha11 be carried to storm drainage ~acz~ities ox to a
natural wa~ex co~rse by closed condu~t or as aZlowed under Section
10.07-1, t4 mee~ the design standards herein set forth. Drainage
design within the projec~ shaXl accommodate anticipated future
development within the drainage axea, Any o~f-site dzaanage facilzt~es
required to caxzy storm water from the propased project to a def~ned
channel o~ exzsting conduit shall be made adequate ~ox ~he ultima~e
stage of deve~op~ent in the drainage area. ~he diversio~ o~ ~atural
drainage will be a~lawed only within the ~imz~s o~ the proposed
improvement. AlI natural dxa~nage must enter and leave the improved
area at its original horizontal and vert~ca~ aXigxunent unless an
agreemen~, approved by the Director, has been executed with the
adjoining proper~y owz~.~rs.
10.02 Cl.assifz.cation of stoxm dxains: Modification may be required by
special conditions to the fo~lowing classifications. An.y mod.ificati.an
o~ classi~~catians wili be resolvec~ on an in.dividual bas~s by the
Direc tax~ .
10.02-1 ~,ateral w Dxainage cond~its receiving ~.noff fram areas
less than 3~ ac~es.
ICf.02-2 CoZlector -- Drai~aage cond.e~its receiving runo~'~ from areas
of more than 30 hut Iess than 100 acres.
,
10.02-3 Trunk - Drainage conduits recei.ving runoff from areas of
100 aczes ar more~.
-~5-
10.02-4 ~ross Cuiver~s - Drainage culve~ = transporting ~3noff
across roadways.
10.02-5 Dxiveways Culverts - Drainag~ culverts transpor~ing ~v.noff
acxass driveways.
~O.Q2-6 Qn-site drainage facilities sha~l mean a~~ sux~ace drains
and underg~aund drainage p~pe within the development that does ~oC
take undergra~nd or concentra~ed surfac~ drainage watexs from the
adjoxnzng prope~~ies.
10.03 Al~gnmen~ ~'I'he Xocation of starm dra~nage pipe~ines zn new streets
shal~ be under the curb and gutter. ~ipes placed under curb and
~tter shail have man~mum c~earance of thrEe inches between bot~om
of gutter sect~on and top o£ pipe, Al1 new pipes and channeZs
shal~ be placed a m~n~mum o~ 100 feet ~rom existing water we11s.
10.03-Z Lines are to be as near parailel with the center~ine o~
streets as posszble,
10.03-2 Avoid meandering and unnecessary angular changes.
~0.03-3 Angular changes shali not exceed 90 degrees.
~4.03-~ Qpen ditches, lined channels, swales and fioad plazn
a~eas sha11 ~e ma.intained as nearly as possible in thei~ existing
alignment. When an open ditch, other than a roadside ditch, is. to
be constructed para~le~ ~o an exist~ng roadway the ditch sha1Z be
constxucted outside ~he proposed right of way o~ the uZtimate stree~
deve~opment,
~ 10.03-5 '1"he vextical alignment sha~i be so designed ~o p~eclude
any panding within the draiaage system.
1Q.d4 Easements:
10.0~-1 Drainage conduits and cha nnels w~ien not Iocated in a pub~~c
street, road or a11ey, or wit~in an existing public drainage ease-
ment, must be located in a recorded nr dedicated pub~ic easement
over p~ivate property. Necessary dedication for GORS~xllG~lp~ on
-z~~
przvate -operty meisr ~e completed befor `h~ improvement plans
w~ll be approve~ tor canstruction, Where a minor i~provemen~ of a
drainage channeZ falls on adjacent proper~q, such as dayligh.t~ng a
di~ch prof~Ze, a right of entry must be obLained from the adjacent
praperty owners ~or such const~xction, and a copy of the right of
entry from the adjacent owners shall be submi~ted to t~e Director
prior ~~.approval o~ the i~provement plans. Easemen~s shal~ be on
farms supplied by the Engineer. _
~a.04-2 Easements foz closed conduzts sha11 meet ~~e following
requiremenrs:
I0.04-2.0~ Min~mum width of 12 feet w~rh the cen~erline,o~
the pipe at quartex pp~nt; pipe may reverse szdes at angle
points.
I0.04-2.02 Provide access and working sgace rights,
i0.04-2.03 For pipes exceeding 24" ~n diameter o~ ~renches
exceeding 5 feet in depth, the easement shall have additianaZ
width to provide a~ple working space as required by the
Airector,
10.Q4-3 Easements for open channels sha~I have sufficien~ width
to contain the open channel with sid~ slopes, fencing whe~e requ~red,
and a I5' service road when required ~y the Director. Suitable
ramps must be pravided for access ta the battom when required,
10.04-4 Easements shall be prov~ded fox all ditches, culverts, and
conduit systems whet~er const~ucted as newly built improvemenks ar as
rebuilt i~provements and shal~ adequately meet the minims~m wid~h
specified above.
10.04-5 For exist~ng drainage faci~ities - Eas~ments sha~I be
provided for a~l existing drainage facilities within the boundaries
of and/or affected by any ~and areas tQ be improved. Also, these
~27-
t
existin~ ~acil~ti~s shai~ be ~eworked tc ~n~orm with the Co~nty
Standards in et~ec~ at the time o~ the averall impravement where
such conforrnance is required.
10.04-6 Extent - A11 drainage ~asements sh.a1.1 extend from ~he
pnin~ a~ ta~hi~h a flow is co~.centrated to th.e point where such
~low is converted in.to sheet ~'low, or to the pa~nt of confluence
with a natura~. drai.nage course.
10.~4-7 ~o~ natural drainage courses - A1~ natural c3~ai.nag~ courses
within the boundaries of an axea to be i~nproved s1na11 be pxovi.ded
with d~ainage easements extendi.n,g the ~ul.~. lengt~ of the drai.nage
courses wa.thin the impraved area with the zn.di.vi.dual width bei.ng
deterQiine~ as the limit af the ~00-year flood pl,ain.. A natural
drainage course is defined as a drainage course having speci.fa.c ,
si,des and ~bottom, but one wh~.ch ~xi1 not necessari.Iy have yeax-
around f1ow.
10 ,0~-8 For drainage divert~d into swales - A11 natural. ~.epress~on.s
thraugh which drainage travels but not having well defined sides and
bottom canna~ be cons~dered as natural drainage courses and thus
shall be prpvided t~ri.th, easements adequate enough in width to provide
far ~oth ~1o~,r and maintenance. If the waters coiZec~ed z.n such
swales are no~ ~exm~nated into natuxal drainage courses within ~he
boundaries of the i,mprovement a~ea, they sha11 be carried o~fsite
to t~.e point of confluen~e of the s*,~ra].e with the natural dx~ainage
course; ad~.quate drainage easemen~s ax dxainage release letters from
the affected downstream p~oper~ry awner(s) be~.ng requisite.
I0.04-9 Fo~ pff~site dra3.nage and facilities - AlI concentra'ted
drai.nage leavin~ the boundaries of the aYea ta be approved in
pther t~.az~ natura~. drainage courses wil~ requixe either specif~.c
easements ar drainage releasa letters from t~e property owners of
the lands from the poi.n~ at wrhich ~he drainage Ieaves th~ limits
_2g_
of the .,rovemant area to the ppint at fch x~ is deposited
in a~atural wate~ cau~se. 'I7ie required easemen~s must ~nclude
4 adequate provision fo~ aXl of the drainage structures to be used
in th~ o~fsite drainage (i.e., culverts, ditches, dissipa~o~s, ~tc.)
X0.05 Draina~e Design: Ax~inage calcuiations and a dzainage map shaXl be
submitted with the impxavement plans. '~e following xnforonation
sha~.l. be shown:
10.05-Z O~fsite d~ainage in zzatura~. wa~ter courses. - If the run-
aff in any na~ural water course which collects n~.naf.€ from an im-
proved azea is increased appreciabiy by ~he ~.esigned improvemen~s,
any existing d~ain.age strEicture offsite and ~own.stream shaJ.l b~
~hecked to see tha~ i~s capacity can safely pass ti~e increased
runoff as calculated at the inle~ of rhe datanstr~am structure. I~
the exzstizzg capacity should prove ~o be inadequate, the structure
sha11 be ~emnved. and replaced by one meeting ~he County standards.
Any and aI~ additional easement acquzsitions necessi~ated by the
~ebuil.dxng or r~location o~ an affsite stx~cturE pursuan~ to this
sect~on sha3.l be the fu3.1 responsihility of the developer.
10.05-2 Watershed map - A d~ainag~ map shall be subm.i,~ted wi~h
each set of improvemen.t plans and shall reflect the ~ollowing
cri~eria;
A. Must be of adequa~Ce sca~.e and reasonably accurate with
eontour iines clearly showzz and referenced,
B. AI1 individua3. watershad areas are to be cleazlq de~ined
by shading witl~ calored penciZ and. the areas spec3fied
~.n acres .
C. ~ravei paths must be shown where concentra~.ed f~.ows
exist. (~f sheet ~l.ow - so speca.fy.}
D. Times of concen~rati.on for each structure, pipe or
ditch. .
E. '~.e quantity of water arriving at each structure, pipe
ar ditch from a 10-year and a Z00-year ~requency stoxm,
_~g_
~
F. ~~'he size of pip~ or typ~ of dzi proposed length and
~radient. ~tem H not needed wh~,~ desig~ is bas~d on
hydraul~c grade lzne ins~d~ pipe,
G. ~nv~xt elevations for eaCh p~pe and structure.
H, Hydraulic grade line elevations and hydrau~~c gzadien~.
I. Channel dimensions and water surface pro~ile computations~
J. Downs~ream condit~ons wh~ch may a~fect upstream flow.
10.05-3 Drainage Calcula~ions - One set of dXainage calculations
shaZl be subrnitted with each set of impravemen~ plans. T~ie ca1-
culatians s~all reflect the fallawing czite~ia:
Ia.05-3.OI Use Cha~t D-1 {Oroville A~ea}, D-2 {Para@~se Area),
or ~-3 (Chico Area) ~o determine rainfalZ intensity in inches
per hour ~oz a IQ-yeax and a 1Q0-year frequencp starm, In no case,
shall the time of concen~zatian be ~ess than 10 minutes.
~0.05-3.02 To ~ind the ~oefficient o:~ runof£ "C" - use table and
assume ul,timate devalopmen~ for the entire watershed area (Cha~t
D-5) .
10.05-3.Q3 Watershed areas - Use the areas in acres £rom the
drainage map.
10.05-3.0~ ~'o ~ind Q10 and ~100 - Use the rational method fpr
determining quan,tities for ti~e 14-yea~ ar~d 100-yeaz frequency
storms. (Q=C.1.A.}
3.0.05-3.05 For czoss culvex-ts - Calculations shail show the
pipe si.ze required to pass the 10-year s~o~rim, w~th no ~ead at
the top af the pipe at the culver~ entrance and ~he 1Q0-year
storm using availab~e head at the culvert entrance. Use Chart
D-4 ~o determine the pipe size requi.~ed to satisfy the no~head
condition, Gheck this pipe size ~or compZiatzce wit~, the Q100,
~ available head, ~riteria by using the approprzate Chart A-6 ar
D-7. If ~he pipe size selected satisfi.es the Qlb criteria,
-30-
r
but~~~t the 4100, a lazger p~pe must. ~ usea. In no case
sha11 the pipe be smaller than Z8" diameter or equiva~ent.
(Minimum dr~veway culvert size shaZ~ be 12" diameter or eq~~valeni•).
1d.05-3,D6 For open ditc~es -'The ealculations shal~ inc~ude
checks on each ditch a~ critical poznts us~ng Mann~ngs Farmular
for open~channeX flow solving for depth of f1ow. The "Hand~ook
of Hydraulics"' bp K~ng, may be usad to assis~ in these calc~Iations,
See Section ].0.05-4 for "n" va~ues of existi.ng streams and im-
proved ditches and channels. For ditches hav~ng a depth o~ flow
of ane foot or over, a fre~board o~ 0,5 foat sha11 be provided.,.
ar the ditches shall be deep enough to contain the Q7.00 ~Iow wit~i no
freeboazd. Freeboard for di,tches having a depth of f~.ow of under
one foot shaZl be considered on individual bases. Roadside d~.tches
and gutters may not inundate more than 1/3 af the t~aveled ti,ray
c~ur~ng ~h.e 1Q0-year frequenCy storm.
1.0.05-3.07 Closed conduit storcn.drains - Calculations shaZl be
based on the pi.pe tlawing fu11. 'Z'~e system snay be allowed to
operate under pressure provided the hydrav.lic gradien.t 3s 0.50
fee~ oz more belota t~.~ elevati,on o~ any surface i,~.l~~ o~ manhole
~over. Proper allpwances mus~ be inade fox energy losses at bends,
,~~unctions and. transition.s. These iosses aze to be shown xn, the
calculatio~s, ~e mznimum velocity in closed cond~i~s shall be
two feet per second and the minimum pipe size a~.XowabZe ~.s I5
inch o~ equal,
~0.05-4 Hydraulic Design Cziteria:
~0.05-4.01 In arder to pravi.de a unifoz~ drainage sys~em in
the County o£ But~e, the follpwi.n.g eritex~.a will be foZlowed.
.. ~n a11 hy'drauZic com.putations un.l.ess specx~a.c apprpval other-
wz.se is given in writ~,ng by ~he Di.rector.
-31-
~0 .~-~.02 Flow computations - All~ 3rau~ic computa~ions
sha1~ be in accordance with t~e ~o~lowing:
Id.05-4,02A Ma,nning ~ormula shall be used ta compute capacities
r ~ o~ al~ open and closed canduits and aZI cross culverts which will
become a part af the closea candu~t sysrem,
10.05-~.028 The formula H1=He+Ho+Hf shall be used ~a compute the
c~pacity of ai1 c~ass culverts that are not to become a part o~
the cZased condui~ syste~, Cxass cu~verts sha1X be sized to utilize
upstream a~d dawnstream channel velocities. ~e constants Ke=
0.25 and ko=0.75 sha11 he used £or concrete pipe an~ box cu~verts.
Far corrugated pipes Ke=0.5p and Ka~1.0 shali be used.
H1 = Head Loss Hf =~riction Head Loss
He W Entrance Head Loss Ke = Entra~ce Head Loss Coe~.
Ho ~ putle~ Head Loss Ko = Outlet Head Loss Coef.
10.05-~.02C 'I'he 'n' va~ues to be used in Manning's Farmula shall
con~orm to the following:
Precast Concrete Pipe 0.015
Concrete Cast-in-p~a~e p~p~~
V~trified C~ay ~ipe O.~I3
Asbestos Ce~ent 0.013
Cox~ugated Metal Pipe {C.M.P.}
Plain Um~ined p,~~4
Corrugated Metai P~pe (C,M.P.)
3"X1" Corrugation 0.026
Mu1t~-P~.ate Arch Pipe p,p~~
Open ChannEl k~11.y Lined
{Air B~.own Mortar) p,~x~
Earth Channel 0.030
Grass 0.035
Ri.prap and Grouted R~.prap 0.040
Open ChanneJ. with Lined Bottom,
Clean Sides 0.02fl
Natural Stream Channels (Surface width at flood stage less
than ~00 ft.) As fal~.ows:
k'aizJ.y regular section:
a. Some grass and ~reeds, li~t~e or no bxush 0.030~-0.035
h. Dense growth of wee~.s, depth af ~1ora
matexially grea~er than weed h~ight 0.035--0.05
c. Some weeds, ~ight bzush on banks 0.035--0,05
' d.. Sam~ weeds, heavy brus~. on banks 0.05---0.07
e. Some weeds, dense: wil~pws on banks 0.06--~0 .O8
f. ~'or trees within channei, ra~it~ branches
sui~merged at ~-igh skage, incxease aZ1
above vaZues by 0.01--0.02
-32-
regular sect~ons, wi~h poals, '_ght channel ~eander:
~
Increase valu~s given above about Q.O~--O.Q2
Mauntain streams, no vegeta~ion in chan~el, banks unusuallp
steep, trees and b~sh along banks submerged at high.stage;
a. Bottom ot gravel, cpbb~es and .
few baulders 4.04~-0.05
b, Bottom o~ cobb~es, with large
bouZders 0.05--D.07
The 'n' value for unimproved ar partially improved cha~neis
shail he de~ermined by the GonsuZti~g ~nginee~ and then
approved by the Di~ectar.
~4.05~5 Closed conduit s~or~ drains: Capacity - Special provisions
S~aiL b~ made wit~in the drainage system to insure that the xnlet
invert ~Ievation and the capacity pf ~~e drainage system is such tha~
it may be extended ~o sexve the entire drainage basin at ~he ti~e of
ultimate deve~opmEnt, This ~s to include the en~~xe ugstream por~io~
and the port~on o~ the basin ourside the development, regardless o~
exis~ing conditians,
10,05-5.01 Closed conduits sha~l be of either cast-an-place
cancrete pipe, precast reinfo~ced concrete pipe, non-reinforced
concrete pipe, asbestos cement pipe, or v~trified clay pipe,
as de~ined in the Standard Specifica~ions. T[~e specific type
of pipe or alternate pipes to be used in the development sha1l
be shown on the plans. Any type the developer proposes to use
not shoian an the approved pians sha~~ be resubmitted ta ~he
Dzxec~or for approval.
10,Q5-5.02 Minimum pipe diameter allowable on any storm drain
shal~ be 12 inChes for on-site developments.
1d.05-5,03 Minimum velocity in closed condu~ts shaZ1 be 2~,p.s,
wh.en flvwing 0.8 fux~.
_~~_
10.~C-5.0~ Cover requirements ar e s' *n on Sta~dard Drawings.
A t 1~cat~ons whex~ the standard mi.nim~m cover requirem~nts can-
~o~ ~easib~}r be ob~ai~ed, ~he condui~ will be ei~her encased
or prov~ded w~th a concre~e cove~ or another methoc3. of p~pe
pro~ection as specY~ied by the Director.
~0.05-5.05 Hyaraulic G~ade L~ne - Hydrau~ic grad~ ~ine sha.lx
be a minimum o~ 0.50 feet below ~he elevation o~ ~n1et grates
and znanho~e co~ers of a1~ structtires of ~he ups~ream sys~em.
HydrauL£c grade ~ine at ~ne intake must en~~r ~he condui~ at
the property xine. Hydraulic g~ade ~ine shaZl be shown on ~ha
plans fo~ aIl open ck~an.nel systems and shall be shown on Qipe
systems when the hydrau~.i.c grade ,lirze a.s above the ~op o~ ~he
pipe far Q~.00.
10.05-6 Qpen Channels
Sha~.1 consis~ o#' concrete-1in~d ehann~~s, lined bo~tom cha~x~els, o~
~:arth chann.el.s. Whenever roadside ditch grac~es exceed 6 percent,
dztches sha1~. be lined, lini.ng shal.l e~~enc1 downs~ream ta neares~
X-cul.vert ax dxainage sWa1e, Wkxen slope exceeds 6 pe~^cen~, and
you have zero ~ratex in c3ztch, beg~.n l~n~ng 30Q ~'eet downs~ream
~'xom top of sZope.
lo.a5-6.o1 N~i.ni~a~m Ve].oca.~y:
a. Un.lined channe~.s 2 f. p. s.
~. Lined channels 2 f.p.s,
c. ~av~:d inve~~ cnann~ls 2 f.p.s.
10.05-6.02 Maximum. Ve~acity:
a. ~arth ~~xannels 6 ~',p,s.
b. La.ned ckaannels 1a ~'.p. s.
c. 1~aved inve~~ ehanne~.s 8 f. p. s.
10.05-6.03 Fax a11 channels wi~kz eax~h sides, freeboard of a~
~east one and one-haZf feet (~.,5' ) sha1~ be p~ova.~.ed at design
capac~ty for a 1Q-year s~o~^m. Far l.i~xed -channel.s ~reeboard o~
at leas~ 0.5 ~'oat of lining shall be proviaed a~ design capaci~y
for a ~.0--y~:a,~ stozm.
_~!~_
l~e" -fi.04 Existing Channels
AlI abrupt changas in alignmen~ or prafile and a11 underbrush
t
and dehris which serious~y restriets the flow ~n existing
channels shall be regraded and i~prav~d, Suc~ wo~k shal~ be
shown on ~he ~mp~o~ement p~ans.
1~.06 Drainage Structures:
1q.Q6-1 Manhales:
10.06-1,0~ S~andaxd pxecast concrete or cast--in-place ~ype
~anholes shail be used where required. When cases arise whe~~
special ma.nho].es or ~unction boxes are required, ~he design must
be approv~d i~y the Director. In no Case t~ri.1l junction boxes or
manha~.es be al~owed wh~ch a~e sma~~er ~han twenty-four inches
inside d~in~nsions.
I0.06-1.02 Manha~.es slna).1 be located at junct~on points, changes
in grad.ient and changes ~~z condu~t si.ze. On curved p~pes with
radii o~ 200 fee~e ta ~+00 ~eet, ~anholes shall be placed at t~.e
B. C, arid E. C, of ~~.e cu~ve and on 300--foot maxin-~.m intervals
along the cuxve. On curves with radii exceed~ng 40Q feet, man-
hol.es shall be place~. at the B. C, and E, C, o£ the curve, and
on 400-fao~ xnaxi.~num intervals along curve for pxpes 36 inches
' and less in diame~es and 500-foot maximum intervals a3.ozcg the cu~re
for pipes greater than 3G ~nches i.n di.arneter. Manho~e spacing~ on
curves wa.th radii less than 200 fee~. rai].1 be detc~rmined on an in-
dividual basis .
10.06-1.Q3 Spacing of manho~es, junction hoxes ox i.nlets of
such size as to be enrexab~e ~or maa.ntenance sha11 no~ exceed
40Q ~eet for drains 24 inches at~d sma~~er in dia~ueter and 500
feet ~or pipes grea~Cex ~han 24 inches in diameter, except under
special approved candition.s. 'r?n.e sgacing of ~anho~es sha11 be
nearly equal. wk~erevar possab~.e.
-35-
10 ^5-x.04 Ail manholes and junct? boxes okher than ~nle~s
shall have standard ma~hole covers, as shown in Standard ~raw-
ing No. 5-24, page 99e Manho~es w~ll not be allowed ~n gurtez
t
fiow ~xne except as appraved by the Director,
10.06-1.d5 Manholes or junction boxes wi11 not be required
for a reach vf pipe less than 100 teet in length, ~ith an
inZefi or othe~ structuxe, that is to be connec~ed to a 30"
or Zarger diameter p~pe.
~0.06-2 ~nlets:
lO.Ob-2.~1 Gutter in~ets sha~X be zn acco~dance w~~h those
types shown in the Standard Drawings o~ o~her approved special
in~ets.
i0.Q6~2.02 Inlets shall be placed so that the Iength of flow
in the gutter does not exceea 6d0 feet. The depth of ~low
in th~ gu.tter shall not e~ceed 0.35 feet as determined by the
r~noff flow used to check the depth and shal~ include any flow
that bypasses upstream grates. 'I~e outfall pipe shall accom-
modate the des~gn na.nof~ taking inta consideration bypass fiow
from upstream inlets.
10.Ob-3 ~unc~ion Boxes:
lO,Ob-3.01 Junction boxas sha~1 be constr~cted of re~nforced
concret~ or ~abrica~ed from xeinforced cancrete pipe sections
where size lfmztations permit. ~
10.06-3.02 Min~~um wa11 thickness ~or reinforced concrete
junction.boxes sha~l be s~x ~nches,
10.06~3.D3 "The inside dimens~on of junctian boxes s~a11 be
such as to p~ovide a minimum v£ three xnches clearance on the
outside diameter of the largest p~pe in each face. AI1 junctzan
bpxes sha~~ ~e rectangular in shape unless otherwrise app~oved
. by the Dir~c~or. Junction boxes deeper than four feet shall
~ave a m~~imum d~mension of 4$ inC~es.
-36-
~0.06-4 ~_eadwalls, Wingwalls, Endwalls, .ash Racks and Railings:
1D.06~4.~1 A~1 headwalls, wingwalLs, and endwa~ls s~all be
considered zn~ividually and shail be, in genera~, ~esigned ~n
accordance wi~h the Standards and Specifications of the Ca~i~
fornia Department of ~ransportatian or requirements of Butte
County Deparrment o~ Public Works.
lO.Ob-~.02 Trash racks wi~1 be pxovided where, ~n the opinion
o~ the Director, t~ey are n~cessary to prevent clogging of cu1-
vexts a~d storm dxains and el~mina~e hazards, '~'h.e trash racks
shall conform ~o ~he requ~reme~ts of t~e Director. ~empo~a7ry
trash racks wiiZ be al~owed where pipe wi~Z be ex~ended ia the
near ~ut~re.
~0.~6-4.p3 On czass cuxver~ drains, flared-end sectians s~all
be used where requi~ed by the Directar.
~4.a6~~.04 Metal beam guardrail may be requ~re~ by rhe ~irector
at cu~verts, headwalls and box culverts and on steep side slapes.
When so required, the ra~l~ng sha~l be insta~~ed in accordance
with the ~equirements o~ the State of Califorzi.ia, Department o~
Transportation standard pZans and sp~cifica~~ons.
10.06-5 Drainage Fu~ugs:
10.06-5.01 'TI~e use of drainage pumps sha11 be avoided w~.enev~~
possi~le, and used only with th.e spec~fic appraval of the Director.
1.0.06-5.02 If the use of drainage pumps is permitted, the dra~n,-
age system shall be so designed as ~o provide for gravi~y outfaLl
durin.g the summer months and other periods of low water stages.
~~ a law stage gravity outfaLl is impossi.bJ.e or impractical, an
alternat~ pump of smal].er capaC~,ty for ~.ow s~.age fl.or~ may be used
Frovided speci.f~.c apprava~ i.s granted by the Airector.
10.0b-5.03 Pumping installa~ions shall be designed to accommo-
~a~e a des~gn stoxm as sgecified by the Director. When a skati.on.
~37-
t
car ns gravi.ty da.sch.a~ge, pumpin~ ~acity mus~ be equal
to the c~eszgn in~Ior,r. When the station does not'have a gravi.ty
discharge, pumping units must be designed to furnish 100% capacity
with any one pump out (~L~rro p1~mp sys~ea~). .Any deva.a~ion f~om ~his
cr5.teria ~usi, receive the speeifi.c approval of th~ Di.xector.
10.05-5.~4 Pumpin.g station.s shal~. be designed so that g~avity
fiow does nat pass through ~he pump pit.
10.06--5.05 No ~otor over~aad condition shall exxst a~ any sump
or flow condition. 'I'~is daes na~ p~ecl.ude high sump design if
~.our sump condita.on does not create an overload.
1Q.06--5.Q5 Each pump~.ng installatzon shall receive separate
approval for each o~ the fa~.lowing ite~ns: elec~rical system,
piping sys~em, housing ins~allatxon and other m.iscellaneous
desi.gn features.
I0.06-5.07 The eZectricaZ spste m for d~ain.age pumps shall, con-
form to the Standard Drawin~s and electrical codes.
i0.06-5.0$ Adequate access shall be provided ~or cleani.ng
the pump sv.mp .
10.06-5.09 Trash racks shail. be provxd.ed upstream from the
pumpixzg plant. Provisions sha11 be made for easy clean~ng of
~he trash racks.
10.06-5.10 Hatch covers, where used, shal~ be af xaa.sed pattern
, aluminum floor plate, or other approved ~.ightwei.ght cover, Dis-
similar metal.s shall be ansulated ~rom eac~ other ~,rh,en n,ecessary,
1Q.46-5.11. Ladder rungs, where used, shall be of a non-s1.ip variety.
10.06-5.12 All d~ainage pumping plant si.tes shall be fenced r,ri.th
6' chain Iink fence with extension arEas anc~ thxee strands barbed w~~e.
10.06-6 ~emporary Drainage Aiversions:
10.d6-6.E}1 Tempora~y drainage diversinns, such as dams and pige
plugs, sha1l be located and constructed in such a fasY-ipn as to.
permit th~ir removal duzing adverse wea~her,
-38-
i0.' -6.02 Locations and removal p~ ~dures ~or ~emporary
~rainage instal~ations shall be approved by ~he Director, and
these ins~alZa~ions shall be remave~ whe~ necessa~y to prevent
damage to adjoining property.
1b.Q6-7 Conductor Pipe:
10.06-7.Q1 Pipe used as a conductor pipe undez a hig~way or
railroad shalX be eithar welded steel, cor~ugated ~eta1, or
~einforced concrete. The Director may sp~city which type shali
h~ use~ xn any ins~ance. `Mie pxotective lxning and coating, Xf
any, shall be as shown on the plans or specified in the Special
Provisions.
10,06-7.02 We~ded steel pxpe sha11 confozm to the Standard
5gec ificarians .
10.06-7.03 Corrugated metal pipe shall conform to the Standar~.
Specifications , Band coupl.ers shall be Qf the sar~e ineta~. as the
pipe.
~.~.06-7.04 Reinfoxc~d concrete pipe ~~,ail coniaztn. to the Standard
Speci~a.cations.
10.06--7.05 When metal conductor pipe is to be installed by bpxa.ng
and jack~ng, the material stza~.l be 1Vo. i0 gauge or thicker. '~,e
sections of p~.pe sha11 be esgeciall.y prepared fo~ iaaking fieid
joi.nts by rive~ing or bo~ting. If t~e ~oints are bolted, the
bol~s shalJ. be 3/8-inch diameter and. ga~vanized, Rive~s sha17.
be of ~he same mater~al as the base rc~eta~ used fvr ~he corrugated
sheets and shall be galvanized or sherardized.
10.07 Channels and Qiitfalls:
10.06-1 Op~n Channels:
~.Q.07-~..Oi Dra~nage may be conducted. through an impxovement in
open. c~.annels under the folZowing criteri,a and if approved by
the birec~or:
-39-
~
a. ~~e quantity of flow is such t? ' it w~11 exceed ~he
capacity of a 72-inch Qzpe.
b. 'I'he autfall point is s~ch an e~evatian tha~ minimum cover
cannot be pbtained over the pipe.
~d.Q7-1.02 A~1 ~ha~nels ~a be fulZy lined sha21 be lxned to an
elevatian pf 0.5 feet above the 1Q-year design wa~er ~ine, WE~ere
the cha~ne~ is to b~ constnxcted using Por~~and cemEnt cancre~e
or a~r bloraz-, martar the side slope sha~~ not excaed 1;1, Wheze
the channeZ is to be unlined ar protected with grouted or un-
grouted rock the side sloge shali ~ot exce~d 1~:1.
1~.07-~.Q3 In unlined channels, and c~an~els wfth lined bottams
on1y, aLl underbrush and debris shall be removed from the chan~el.
cross sectian with the excegtion of cer~ain trees which may be
util~zed to reta~n the ecology of the area. A~I suc~ trees shall
be shown on ~he plans and those ~o ~e Ieft an p~ace so deszgnated.
A~1 abrupt changes in ~he alignment or profi~e o~ the natural
channel whzcn sexiously restric~s f~ow shaZi be impraved and
regraded. .
10.07-1.d4 For a~l c~,annels, either rea~igned or n,atu~al, the
~ollowing iterns sha1~ be shown on improvemen~ plans in adclition
to i.nforma~ion he~retofrore requi~ed,
a. ~'ypical, sec~ipz~s and cross secti.ons.
b. Profile of the existing channe~, and top of ban.k profi~e for
a minimum o~ 1,Q~0 feet each si.de of tl~e deveJ.opment i.n ard.er
to establish an, average profi7.e grade through the deve~opment,
10.07-2 ~nte~ceptor D~tches:
~nterceptor di.tches shall be placed at the top o~ ~~e cut where deemed
necessary by the Director to prevent ex~asion of the channel bank.
10.07-3 Upstream and Downs~r~am Frofiles;
1a.07-3.0].~AII drainage out~alls shall be shown bo~h a.n plan
and pro~ile on the i.mprovement plans for a distance of 1,QOQ
fee~ or un~il a definite "day~igh~" condition ~s establ~shed.
_40_
A11 ~-~inage dztches upstream of the ~provement sha~l b~
shown on p~an and profile far a distance of at ~east 500 feet.
The profiles shaZl include ditch f~ow ~ine and top o~ bank
e~evations.
10.07-3.02 When impraveme~ts hav~ more than o~e unit the drain-
age outfaXX shall be shown as extending to the property boundary,
a~d beyond if required, although i~ may not be canstructed with
the current unit development. AlI ~emporary outfal~s sha~l be shown
both in plan and profile on the improve~ent plans.
~0.08 Cross Culverts:
I0.48-1 Cxass cuLver~s may be of rein~orced concre~e culvert pipe
or corrugated metal pipe meeting the xequ~rements of the 5tandard
Sgeci~ications. M~taZ pipe wi1~ no~ be allawed as part af any cZosed
syst~m.
10.08-1.01 Cross cu~vert size shall be dete~mined on the basis
of runo~f determined in accordance with t~ese Standaxds. A
ID-year s~o~m wxth no head on the inlets shal~ be ~sed.
~Q.08-~.02 Cross culverts sha11 be checked on the basis of
the ~,.naf~, pZus 25 percent to detErmine tha~ na serious damage
wz~~ be incurred ~ue to pa~dzng as a resul~ of the higher design
stoz~m.
i0.08-1,03 Cxass culvert pro~ile wi11 be determined by an exa.~n-
ination of the overall pxofi].e of the chaz~ne~. for a mxnzmv.m dis--
tance of 500 ~reet each sid.e o~ th~ installation.
~0.0&--I.04 Reinforced Can.crete Box Culverts and St~zctural Plate
Arch Culverts. When specified by the Di.rector, reinfarced conc~ete
box cuiverts oz st~uctu~al plate arch cu~.verts shall be i.nsta~led.
• AI7. materials, design, and construction shall. conform to the requi~e-
ments of the State Specifications, 5tare Staz~dard Drawings, County
Sgeci~icatxans and County ~tandard Brawings.
_~~_
t
Z0.09 Fencir.
10.09-~ I~proved cha~nels in residential areas exceeding th~ee (3)
feet in depth a~d with s~de slopes steeper ~han 3:Z s~a11 be fenced
with six-(6) faot chain link fence, ~ence may nat b~ requ~r~d when
an agxeem~nt to delete the fenc~ng is obta~ned from the adjacent
property owners. ~
In. alI othe~r areas, fencing shaZ1 be placed only upon the ~recom-
znendation o~ ~he D~irector.
1.O.a9~2 Drive gates shaZl be zninimum 12' and wa3.k gates sha11 h~
prorrided complete with master keyed. 7.ocks and iceys at such locat~ons
as specified by the Dixector.
14.09-3 ~e fence sha.Il be ~.ocated six inches within the reguired
drainage ~asemen~ l~n.es and thea.r locations sl~a~1 be shown on, ~he
constr~.et~oxz plans.
lI.OD SEWAGE D~SPOSAL:
1~..01 Subdivisions:
Z1.01-I Public ar Cott~auni~.y Sewer Sys~ems. When a subdivision is
~~cated within a reasonable dxstance of an existing, operating, and
available public or community ser~rage system, and i.t is ~~actical and
feasi.ble to sewer th,e proposed subdi.vision by~ connecting to said
system, the subdivider sha~.1 be regu~red to sewer the praposed sub-
division to saicl system.
Sewer mains, 1i~t stations and other rela~ed fac3.lities ].ocated wi.th-
in the subdi.vision and ar necessary ro connect said subdi~cris~on to
t~e public oz communi~y systerrt sha1Z be desig~ed. and i.nstalled in
accordance with the sfandards o~ the gnvern.ing boa~d of the public
or commuai~y sewer sys~em.
A11 such facilitkes sha11 be aperated. and mainrain~d by the public
or cammunity sewer entity u~tless a separa~e public entity is estab-
lished for~that purppse.
-42-
No £inal shal~ b~ approved an~il ~he r. ire~ faciZities
,
are insta~led and accepted by the pub~ic entity or until the
p~blic enfitp advises the Board of Supe~v~sors ~~ writing zt
hoZds a bond adequate to ins~~e ~he znstalla~ion of xequired
facilzties.
1~.01-2 If it is not prac~icable and feasible to sewer a sub-
divis~o~ by connecting to an existing publ~c or co~munit~ sewer
system, or if sucn sys~em is unab~e to provzde ~he subdiv~szon
with sewer service, the subdivider may provide for sewer se~vzce
by the developmen~ of a community sewer system with treatme~t
and disposal faci~ities, When a subdivider proposes ta deve~op
such a cor~munity sewer system, he must:
a. Provide for the es~ablishmen~ o~ a pub~ic en~ity empow~red
and adeq~a~e to main~ain and operate the system.
b. Ohtain discharge requirements from the Regiona~ Water Qua~ity
Con~ro~ Boar~.
11.01-3 Sewer na~ns within a subdivzszan ta be sewered by
connecting to a public or cammunity sew~r system shall be a
ninimum of six inches in diame~er and shall be of either vitri~
fied c~ay, cast zron, or o~her ma~erial approved by the Direc~or
ot P~blic Works. The joints may b~ ezther be11 and spigot or an
approved ru~ber seal type packing, P~acing o~ sewer pipe, in~
cluding excava~ion and bacK~ill sha1Z be in accoxdance wi~h
Ap~endix IV of thzs resoZ~t~on. Manholes s~a~i be spaced no
fa~ther apart than 35q f~et. Manho~es shail be a minimum o~ 48
inches in dzame~er and sha1~ b~ of precast cancrete and built in
accordance with Appendix III of this resolutzon. A1~ ser~ice
~aterals shall comply with the Uniform P~umbing Cade, latest
edition, and sha~l have a minimum slape af one-eigh~h inch per fnot
to the t~ank sewer. 5ewer clean out "Y" la~erals an~ nther appurt-
enances shall be as shown in Appendax III of this reso~ution.
' -43-
~
I1.0~-~ ~^.o~pZe~e plans and specif~catic ~ inc~uding design cr~teria
prepared bq a registered civi~ eng~neer shaLl be subm~t~e~ to the
Depa~tment of ~ublzc Wvrks a~d the Department of Pub1~c Hea~th for
apprava~ prior ta connection to or ca~stxv,ction ox ~nstalZation a£
sewers, sewage d~stx~butzon, disposal and treatment faci~ities in a
subdivis~on. A~1 connecrions to, construction ox ~~stallation of
such fac~~ities sha11 be in acco~dance with such approved plans and
speci~ications.
1~.0~-~ Ind~vidual Sewage DisposaZ Systems
a. If publ~c ar community sewer service is not provided puXSUant
to subparag~aph 11.OI-~ above, ind~vidua~ sewage disposa~ systems
may bE permi~~ed, pro~ided that the proposed subdiv~sion mee~s
the ~ini~um c~iteria set ~ox~h in Append~x VII of fihis resolut~on.
b. When indiv~dual sewage disposal systems are proposed, the sub-
divider sha11 have perco~ation tests and soil dept~ studies made
under the direction o~ a reg~stered civil engineer, licensed
land sux-veyor or registexed sanitarian and sha11 submz~ test
data ~a the County Depart~ent of P,~b1ic Health ~n the ~orm pre-
scribed by said department.
The type and number o~ such tes~s made shall be as directed ~y
the said department. In areas where soi~ canditions vazy wide~y,
such as the mauntain and £oothill areas, tes~s may ~e required
on ~ach and every propased 1ot,
I1.OZ-& Min~mum lot areas sha~1 be es~abl~shed based on perco~ation
tests, tapo~raphy ana soil dep~h as se~ ~p~t~ in AppendiK V~~ of this
reso~utiion.
1~.41-7 Sub~iv~de~s may be reguired ta establish a public en~i~y, or
annex to an e~ist~ng public ent~ty, which has the authori~ty to plan,
fznance, construct, and ma~ntain a se~age system and sewage trea~men~
fac~lities. Said public enCity shall aisa have the autho~x~y to plan,
finance, cons~ruct and opezate any ~acilities necessazy for t~e
-44-
~
disposa] ,,~ wast~ pumped ~rom any ind~v~~'.:1 sewage systems in the
proposed subdivision and to conducr monitori~g and su~veil~ance pro-
g~a~s reqtiired for water qua~~ty control purposes. Establ~sh~ent of,
or annexation to, suc~ a public en~ity may be require~ ta protect th~
public health, safe~y and welfare. Reasons just~fying such a require-
ment inclu~e, but are not limXted to, the follawing: to prevent water
po~~ution or water quality d~gredation, to prevent the crea~~o~ o~
h~alth hazards or nuisance cond~t~ans or ~o preven~ o~ mitigate o~her
adverse enviro~ental effects which could res~lt from the ~se o~
xndiv~dual sewag~ disposa~ systems. Yn evaluat~ng such posszble en-
vironmenta~ effects w~zch could result from the use of indivi3uax
sewage disposai systems, considexation may be given to the cu~ulative
effect of the use of indi~idual sewage disposal sys~ems within the
propased subdivision and in other subdivisions, Iand div~s~ons, develap-
ments ar prajects wzthin the same drainage bas~n.
XX.~X-S ~an~ Divisians:
a. Publxc or Castununi~Y Sewex Svstems.
When a Iand division is ~ocated within a reasonable d~stance of
an existing, oper~ting, and availa~Ie public or community sewage
. system, the land divider shall be required to request annexat~on
to tha~ system,
In such cases annexatian to an e~is~ing public entity may be re-
quired in the same manner as speci~ied above in subparagraph
I~.01 in subsection ~1.OI-4.
b. Individual Sewage D~sposa~ S~stems.
When connec~ion to an existing pu~lic or community sewerage
sys~em is no~ practical and ~easib~e~or if the system is unable
to pravide the. land division with sewer servace, individual sewage
disposal systems may he pezmitted, pzov~ded the minimum requi~e-
ments estab~ished above in su~paxagraph 11,01, subsections
-45-
Z1.~'-5, 11.01-6, and 1~.01-7 for s~-''ivisions are met.
12.00 WATER SUPPLY:
12.OI Subdivisions:
12,01-~ Th.e subdivider sha~l state in a Ie~ter accompanying the
tentat~ve map the proposed method of water supp~y fo~ suhdiv~s~ons.
~ndividuaX wells shall not be acceptabZe as a method of water supply
for any su~division in excess of ten (IO) lots Iocated w~thin an urban
area and wzthin 700 feet ~f an exis~ing pu~~ic water system whose
service area includes o~ can include the subdiviszon.
12,01-2 'I~e distribut~on system for any communi~y water system
developed to serve a subdiv~sion wit~~n an urban area and w~~h~n
Z,DQQ feet a~ an e~is~i~g pubZic water system sha1Z be designed and
insta~~ed acco~dxng to good engineering practice and to standaxds
not less than those of the existing wate~ syst~m.
12,01-3 Wher~ the wate~ supply is proposed by the extensio~ of
service from an exzsting water sys~em, the subdivider sha~l, p~~or
ta t~e fiZing o~ t~e £inal ~ap, furnish the Health Depazt~en~ a
statemen~ ~ram the water pu rveyor stating fiha~ the purveyar is wilx-
ing and able to supply water to the subdivisian.
12.OZ-4 Should the subdivzder p~opose ~ndividual weXls, at least
on~ test well fpz each twenty acres shall b~ developed by the sub-
divider an~ tested for quality and q~anti~p. Where topography,
geo~agical conditions, or ~ittle informa~ion ~rom exist~ng we~ls Xs
avai~able, additional test we~1s may be required by the Health
pepa~~.ment. Test wells sha11 be pumped in a manner satis~actory
to the Hea~th llepartment and sha~X produce a minimum o~ f~ve (5)
galloas per minute except that in recreatzonal subdivisions, np~
less ~han three {3) gallons pe~ minute shall be produced during the
dry seasan. 'I'his provis~an may be waived by.the Public HeaLth Officer
-46-
if su~f ~.ent we11 informa~ion has been Teloped in the area ~o
assure adequate potable water, A statement ta the Hea~th Depar~-
ment by a licensed weZl dri~ler may be xequired~xn this case.
,
I2.01-5 Should th~ subdivider propose ta develop a water system far
the subdivzsion, he shal~:
{1) ~rovide a 1ega~ entity adequate ta constzuct, maintain, and
operate the system,
- (2} Submit co~plete plans and specifications includ~ng design
criteria p~epaxed by a xegistered civil eng~neer ~o the Health De-
partment and ~he engineer for approval. Wells sha~1 be designed and
instalied as per Appendix VT~ of this resolut~on. AI~ water systems
w~th t~e surface sources shall be provided with treatment facilit~es
sat~sfactary to the Departmen~ o~ Public Heaith.
(3) Where a spxing ~s to be used ~a~ the water supp~y system,
a recognized water geologist shall state the yield in gallons per
minute during the dry season.
(4) Pzovide minimum saurce capacity and storage as shown i~
Appendix VII of th~s resolut~pn.
(5) Provide safe, potab~e water ~eeting the chem~cal ana
bacteriological standards vf t~e Ca~ifornia State Department q~
Health. No surface wafier shall be considezed potable w~thout ade-
quate treatmen~.
{6) Provide a~l informa~ion required by the California Pure
Wa~er Act as reguired by the Healt~ and Safety Code, Section 4DI0-
4a3s of the Sta~e of Californza.
12.01-b E~is~ing wells which are to be abandoned in a subdivisio~
shall be filled and capped in a manner apgroved by the Health De-
partment.
12.02 Land Divzsions:
~2,02-~ Where the average resul~ing parce~ szze is forty (40) acres
or ~ore, na informa~ion o~ the availab~I~ty of damestic wa~er is
-~7-
k
required ~
12.02-2 Where any resulting parcel is less ~han forty (40) acres,
or ~ess than a quar~.er-q~arter section, but not Zess than f~.ve (5)
acres, a division shall be appxoved only if one o~ the foilawin.g
requx~ements is met:
(1) The developer shotas that wate~ i.n sufficient q~an~i~y and
acceptabLe for d.osnestic purposes is availab].e. T~sts may he requized
by the Caunty Health Depar~Cmen~ ~o de~ermine the suitabilzty of wate~
for domest~c purposes. ,
~'he availability of water sha~i be shown by one o~ ~he foI.lowing
methods:
(a) By dri.lling at least one we11 within the area of ~he _
Iand division at a location appro-ved by the County Health Depart-
ment wh~ch wi1l produce a flow of not less ti~an three gall.ons pex
minute if t~st~.d during tha peri.ad from Janua zy 1 thraugh .Tune 30
or not less than, one amd one-haT.f ga3.l.ons per minu~e i~ tested duri~g
the periad from ,Tu3.y 1 through. Deceraber 31. TE~e we~~. Iog and a state-
men.~ fram a licensed we11 driller certi~ying to tk~e ~lows shal.l be
submitted to tY~e County Health Department before fi~.ing of the fina~
map.
(b) By providing ev~dence from a registered engineer ar
geologist that a spring exists on each such proposed paxceJ. that
wili produce the quant~.tz.es specified in subsection {1) above. Such
statement slia~.1 be subm~tted to the Coun~y HeaZth Depa~rment prior
to filing o~ ~he final map,
(c) Where the water supply to the paxCeJ,s created by the
land di.vi.sion i.s proposed to be f~.rn~shed by the extension of service
~~om an exxsting rrratex system, by ~urnishing a statement fzom kh,e
water puzveyor stating ~hat the purveyor is willing and able to suppiy
_G-g..
wate~ the ~and divisxon. SuCh stat~, .tt sha1l b~ submitted to
the County Heal~h Department prior ta f~ling o~ the ~inal map.
~'iie requ~rem2nts af subsections (a} and {b) above may be waived
r
at t~e discretion o~ the Coun~y HeaXth Q~£icez in ~ases wI~e pas~
• expezience has shawn that potabie water zs availab~e in the area
of the proposed Iand d~~is~an, Neither the waiver of the requize-
ments of subsections (a) and (b), the acceptance of data oz state-
ments. sub;n.itted pursuan.t to subsections (a} ,(b) o~ (c} ~or th~
approval of the map by the County pf Bu~te in r~liance,upon such
wa~ver, data or stat~men.ts shaJ.l be, nor be const~ed to be, a
guarantee by ~~e County af $utte ~hat sui,table domest~c water in
sufficient c~uanti~y is availabl.e to the parcels created by the
Iand dit~~sion,
(~} A note is placed on the ~inal map as follows: "WATER:
'I'#~ere is no evidenc~ tha~ do~atestic water is avaiZable,"
Where any result~ng parcel zs less than five (5) a,cres and an
individua~ xaatex~ supply system is proposed, the di.vision shali not
be appro~reci unless the developer shoC,~s that water in suffica.ent
quan~ity azzd acceptable for damestic purposes is availab~e, Tes~s
~nay ~e required ]~y t~e County Health Departm~nt to detezrnine the
suitab~~,ity o~ water for domest~c purposes. Th.e avai~ab~.~ity of .
water shall be shown by on.e of the methods speciftied in subsecr~.on
" 12.UL-2, •
-49-
~
~
13.00 F~R~ STL:IvDARB5
~.3.0~. Ap~1~.cata.ane ~he type and size of the projec~ dic~a~~s the fire
departraent requiirements fo~ w~ter, The follo~saing ~hart wi~i lead the
plan~terf interested par~.y to the speci.~ic requi.rement:
~A4.1LTI~ • F~cQil#R~?.3rPI'~
FAA.it~7 " LT~ µ ' " j
RES. •
Pr~OPOSE~ CC~R;ti!r_~iC1AL R C~U~Yt~li~~ a QR ~:~QUI
. U5~ INDUSTRiAL ~ . ~~ L~SS ~_
L=lfTHiN
1004 FT SINGLE 1
FAh11~Y LQT 2.39 AGRES
StzE ~~ LE5S ~+I'Jt'rtB~R O~
LQi5'''CitEA~'~Q 3 O4 ftC~'J
~0#~E $
~:;c ~~5. 3 ACftES R~QIlIR~t.f~N7
PF:~SSUk1ZE~ OR 1:10ftE ( . . . '
lt~~~'cR SUPPLY
-- ~ REG~11r~c~3E~`l~'
_ r~
~~g ~
- FAORE 7~iAN . t~4U~.~E-FAMILY NLIMDER OF
lOOQ F7. R~S.,Ca"~SrA~RCIAL. , LOTS'~CFt~A7E~
10~ - RtqUi-e'~~#ri~P~
I~QLJSTRIAL
?F2DP05~i7 '~
USE '
siri~~~- ~~o;~«r~r~c`.ra~
• F'A}A 1LY- RES. ~
I.ESS
LQl' 2.99 AGR~S NU~.iB~R 0~ I~~Q~JlREE,~~'!i3
S1zE Oft LE55 L0~'S'~CREA~ED 5~29 2
' 13 ~CR~S ~ .--~ 3Q PEQUI~iEFaEH~
OR MORE R£QU! ~h1~fV7 ~ F~OftE ~
i ,
~ *Or Units
*~ A pressurized t,~ater systc~n ~s
detin~d as any public, mutua2 lp~.a~,1.y ~ormed or ~rivate water sex~v:~ce
jurisdic~ion h~vzng ~raCer ca~able of adequate~.y supplyin~ fire hydrar-ts.
13.01-~ P.enui.x'ement Class I
A water supp~y for ~ire protec~~.an will not be ~rec~u~red. How~ver, ~t .
the do~r:~.sti.c water s~.orage system h~s a capac~~y of ~,ODO gallons ox
more, a fire departmcn.t connection to S-29 standar~s sha~l be installed.
The ~ire department must be notifi~d af any such connec~ion. 5uch
connec~ion point r=iust be so Iocated t~at it is readily accessible ta
fi.xe department equipme~.fi. .
~3.pJ.-2 Re ui.rem~~k C~ass 2
A pressurized jvater system with adequate numbers of hydran~s i~ pre-
ferred; but i~ this is not feas~b~.e, [he to1.lo~a~.ng o~tions will sa~~.sfy
t~ie fire degartnient require:ment ~or wrater.
-50~-
..
a. Water srorage tanks w~th a capac~ty of 1fl,0~0 gaI.7_ons or more,
equipp~~ with direct a~l weather acc~ss or fire depart~ent connection
(5-29).
b. In ground SW~T~R~h~ ~DOZS equip~~d with a drafting connection or
dra~t~ng access, or
c. A dry staadpige syste~ p~umbed ta a reliable watez sau~ce. Such
standpipe system wi11 not exceed ~,000 fe~t in ~ength.
T~ere must b~ at least ~Q,QO~ gallons of water available and stra~egi-
ca~~y located for each IO dwellings, or portions thereoF (~xam~le: ~~
dwe~lzngs would reqnire two separaCed sourCes). Provzs~ons ~ust be ~ade
to izsure that the water s~ored ~s a~ways ava~labXe and accessible fo~
use under all weather cond~tions. ~
~3.~~-3 Requ~~ement C~ass 3
A gressurized co~unity water sqstem ~s required. See the general re-
quiremen~ section for the hydran~ spaci~g, hydrant size and fire ~1ow
requirements. The sp~ci£ic Iocation of ~he fire hydrants wi~l be made
by the fire departm~nt in consu~tation with t~e dsveloper,
13.01-4 Requirement Class^4
Wate~ for fire pratection is required. ~he preferable system is a
hydraat system capab~e of ineeting the fire flaw requirements. ~f this
is nat ~easib~e, a system involving independent pumps, s~a~i~ water
storage and dry s~andpipes may be substztut~d, Such a syste~ is s~b3ect
~a the appraval of Che fire department. T~e ava~~ab~e wat~r f~ow from
such a sys~em must meet th~ gen~raZ ~law requaremenrs.
T~e minim~lm volume o£ watez in storage must equal the fire flow for the
type of project ~imes 20 ~inutes. Provisions mvst be made to insure th~
system provided ~s mai~tained to its design capacity.
~3.0~-5 Requ~rement C~ass 5
Pressurized wate~ ~o~ fire prot~ctzan is ava~lab~e with~n 1,OOb feet of
the created parcels. In ~ieu of bearing th~ cost of instal~ing a f~re
hy3rant(s) the #e~eloper may pay in~o rhe fire departmenr hydran~ fund.
The amount pa~d is based on the ~ength of the street fro~tage pf the
created pa-rcels.
~3.02 Timzng and Fxnancia~ ResPonsibility
THES~ R~Qi7IRErIENTS MUST BE MET PRIOR TO ~CC~JPANCY OF ANY BifILDTNG ON '~HE
CREATED PAACELS. THE CONDITION NEED ~iOT BE 1~LET PRIOR TO TH~ F~LII~G OF
THE FINAi, MAP. ~F THIS ~S TH~ CAS~, TH~ A~V~LOP~R rNST SHOZd PR~dF OF A
PEFtFOIt~fANCE BOi~}l OR OTHER FZ~IANCiAi. ARRANGEMENT Tfl COVER TH~ C45T 0~'
THESE RE~EJZREMENTS. .
13.03 General Etequirements
13.03--~. Fzre f].aw requixemen~s for other than recxeat~.anal. vet?icle ar
~abile ~ome ~arks: ~
_~~..
L~~~ us~
A. i.ot density of ane or lcss
single-f~:n~ly residential
uni.t per acre.
B. Lat densiGy more tli~n one
anc3 Iess than ti~ree sinF;le-
Family res~denti~Z uniLs
per acre.
C. LoC d~r~s~ty of threc ar snore
szngle-Family £E51C~C:CF~~'c[~,
unirs pez' acrc.
D. Dup~.ex resic~entia~ u~its,
neighborhood b~siness o~
one stnry,
~ . y y ~
O
'+'~ S-t e--I
.C r-I ~
Ql ~ '~ i-~
~+ ~ C7
~ Z Rf N,3 ~ u
~~ ~ i.~ C8 ~
pp
~ ti-i
.~ 4! .
~~ r
.~ r-~i ~ ~ ~ ~
1-~i Ci ~ ~
V~
~
u~- ~ 3-c u sa u.-d 3.+
~f 'tT N .+
1
ro e0
~~ .-~ I=, ~ s~. "
N C~.
~~~ h a-f
xv~
~~y
M:Cnimum F'low GPM
sao ~A rr~, ~A ~~~ soa~
.~
7sa rrn rr~~ ~;~, y„
~. , 000 IvA !3A NA f~,~
a.,soo ~.,zsa ~.,ooo ~~o ~~~
~• M~1riP].e residcntial (con-
dasniniu:ns} n~~~ and two~
s~orfes; Zight CDfslIT{~;XCi.3~
ar Ii~ht industrial. 2,000 1,500 1,25a I~OOD 6"
S~o'
50Q'
50Q'
300'
F. MulripJ.e res~dentia~ (con- .
dominiums), tt~ree sLor~.es
ar higher; heavy corr,mcrcza~ '
or heavy in~us[rial ~ z,50p 2,p00 l,Sad ~,250 6" 30p'
1/ Loca1 water agency requirements for hydzants may be mor~ restri.ctive.
~.3.p3-2 Fire flow re uirements fox recreatinnal vehicle bz mobile ~o~e arks.
Recreationa~ vehicle and mobiJ,e homa parks sha~.l be grovided wfth a utility
systE~ capable af adequarely producing and deliveri.ng water for fixe demand ~
~equirements.
The camb~.ned capacit~es of aZl rrraCer source fac~].it3,es at per~,ods o~ maxiW
raum d~mand shal]. support a zate of flot,r ta the 4rater syster~ ~or the m~.nimum
dura tion of th~ fire flow i.ndicated in tine following chart:
M~nimum
~'~,re Flora Hydrant
Requirement~ Spacing Type of ,
S aces (GP~1) (Feet) Deve~o ment
To 15 ~~JO 800 i~fobiZe klome Parks
To ~~ 250 800 Mobile Home Parks
Ta ~ .150 300 500 MobiZe Home Parks
To 250 ~C00 SQO Mobile Home Parks
Over 25Q SOQ 500 Mobx7.e Home Parks
fJnder J.OQ 1Q0 $00 Recreational Vehi~le
Over lOQ 200 $00 Recreational Veh~cle
`
--52-
13.~3-3 General Requirements Chat ap~ly_ro any hydrant syste~.
A. Duration, ~he mininum ~~ze f~ow requ~rements detailed above shall
be sustained for a peri~d o~ at ~east two haurs. Min~~um fi~e €1pw
r~quzrements are in addition to the area average daz~y de~and.
B. Pressure. The waCez supply system sha~~ be ~esigned to maintain
nornal operating pressures of not less than 2~ p.s.~.g. nor more
than 125 p.s.~.g, at the s~rvice cannection, except that during
peziods o~ ho.urly maxim~su~ d~mand, rhe pr~ssure ar th2 time of peak
seasonal Xoads may be not less than 15 p.s.i.g,
C. Mai~ Szz~. The distr~bution system sha1~ b~ of adequate siz~ and
so designed ~n conjunction with relatad ~acilities to main~ain the
m~n~~um fire fiow and pressure requixed. In no event, however,
5~du~~ the ainimum plpe size £~r new mains be less than six inches
~n diameter.
D. S~ac~n~. In nn case shall fxre hydrant sgac~ng be moz~ ~~a~ $00
fee~ ~ram hydrant to hydrant, ~
E. Location. F3r~ hydrants sha11 be attach~d to the distribut~on system
at locat~ons designated by res~o~s~ble fire protection agency.
F'. Ma~er~.als and Hy~ran~s. 53x--inc~ fire hy~drants shall be A.W.~d.A.
approved witYc one 4~" and one 2=~' NST connect~,oi~. ~'our--znch fi~e
hydrants sha11 be A.W.L7.A. a~proved with one 2~" NST connection.
AZ1 fire hy'drants in altxtudes of 2,500 feet or more sha11 be dry
. barre~ type. Each hyclran~ sha1~ be fitC.ed wa.th a properly sized
in~.et bury and gate valve,
Each hydrant gate va~ve shal.l be s~pplied wzth an $" rralve ba~ with
metal cover, set to ~znzsh ~rade, insta].led to al~aw op~ratio~ a~
gate ~va~.v~. ~1T~. hqdrants, ua~ves, fxet;~ngs, pipe and a,nstalla~~.on
shal], be approved by,;tesponsible fxre pratection agency,
G. Constxuction. F'ira Y,ydzants sha~~ be ansta~~.ed in accordance ~c~tith
Bu~te County Publ.a.c WorEcs Sta~ldard 5-27 and the 1qcal watar agency.
H. Shu~--off va~l.ves. The distzibuti.on system sha~~ be eq~i.pped wi~n a
su,~fticient nurrsber a~ valves so located tYtat na s~ngZe ca3e of ac~i-
,dent, breakage oz xe~air to hydrants ar distribuC3an wiZl nec~ssa.tate
the shutdo-:an of pi,pe Iength gr~ater than 1,3d0 feet.
-53--
~.
APPENbiX I
URBAN AREA MAPS
I. Chico Urban Area
2. Grid.ley Urban Area
f~
t
3. Oxav~].J.e Uxban Area
4. Moun.rain Recreationa3. Area
,
..,~ ,
~ ~~
~
.,.
/
1
i~
~~- .
:~
I
~
~
W
Lr
~
~
Q
~
~
~
>-
W
.~J
~
C~
C7
r~~
,^;~~ C,~; ,,~i '~ ~ ~ :?~ ~,:::e:;rr~-~`+,`'Z"., ~ ]-ti:~.~" 't~.~'3-'~?~=iiCte' ~+'1"~ ~`3~, r~ "Y -k'y.:'' ~ ' ' _
2.: ~.w':.}.~.,:r`33trY~'~a'%o ac`•*r'S.: . ~ ~~~~ .u.:~~r'',~6".'~.~~ - - ss7"~~.":«-h+idc'~~w' `'~~,r~'' - ~d"'...u ~~. , a .
r-~-
~._ .._.~___~._._._ _...__ __ _ - __ - - - R -- -- - ----_-_.------ - _---
----~- - -- d ~.
M~P OF •--~ ~'~ ~ 1 ~ , ~ _ , ~~'~' i
~ - .~~..~ ~ _ ..i .~.
~~,~~T~ G~~~d~`~~' ~ ~~w~a~a.;-v-:,~_=:-;~- .
~^>r.-~_---^-~_ ~ ~~r
~ ~ . :~ ~~;• '~=..,_r-.~,~__ ::
~I~.~F~ ~ .,.~~:-:i` ~-`~,~~ ~~. -~-
C_ R It~I_ r ; -~: ~-._.::..., ~ ..:' ~ r . ~
~: „~ ~x- ,~i ;..;s..~.. _~"~ ~'~;r-i. ,,. -
-- - , . ' a , = ` `"/.'a:... - •~ ..~ . . ..
_...~~ -~., ~ _~ ~ . .~ i ~" :r ^ l,~i-.--",a.~ i
~.. ~'~~~,,;.:-- .~ .'~- µ,=.r~,~ ~~`... _, - -_. ~,_ _~-_~ -; -_^; - -. .' . . ~.
~ :. n; _
: : ~: "~ ~ ~. ~f •s ^ " ~.
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~P~E~ozx~ z1
SUBDIV~SIQN ROAD STANDARRS
RS-7 i'ypica7 Sect~ans -~ar Camr~ercial - Subdivisior~s
RS-1-A Ty~icai Sectior~s for Industrial Subdivis~ons
RS-2 Typ3cal Sec~ions fo~ tirban Subdivisior~ Roads
R5-3 ~'ypica~ Sect7ans ~or Rurai - Subdivision Vai7ey Typ~ Rflads
RS-4 Typica7 Sections for Rural - Hi7lsid~ Mounta~r~ Recreat3onai
Roads
RS-5 Ty~ical Sec~ians for Rura7 - Hi7~side Moun~ain Recreational
Roads
RS-6 Typicai Sec~ion ~or F~on~age Raa~s
RS-7 7y~ical Sec~ion for Mountain Recrea~ion SUb. Priva~e Road
impravement
RS-7A 7ypical 5ec-~ion -For RuraT Subdiv~s~on Private ~oad
Im~rov~ment
RS--8-LD 7ypical Sections r~o~ Non-[lrbar~ Area ~and Div~sions
RS-9-LD Typical S~ctians for Urban Area Land Div~s~ons
RS-1Q 20 Acres or Greater or i/32 Frac~ional Sectional or Grea-~er
SRS-i Typ~cal Sections for Sub~r~ban Lots ] Acr~ M~n. Llrban Area
~
t
~- - 2 °/a
Si1BGRADE 95 % C4MFAC7fOfJ
tVOTE : SO' l4linimum !i/W width.
_2% -~.
HASE-CLASS 2 AGGREGATE. }~-~`--°t~
TFEICKNESS D£TEFihfIN~D 8Y "R~~ VALU~S
CaRRELATEO Wl7Fi TRAFFIC INDEX.
$" CLASS 2 A.B. (MINIMUM!).
2° A.C. SUF2FACING - MINIMUAl.
FOG S~AL,. ~
T~ = 5.5
iVOTE :
( I~ Width of f2ight o'f Way a~d Pavement #o be detarmined by
cons~ltation with the Department of Public Works , with
proper consideration given #o the Miaster Plan ar~d ather
Planni~g consideration.
( 2) Prime A.B. Priar to Pa~9ng.
COUIVTY OF BUTTE DEPARTl~ENT ~F PUBLlC VlIQRKS
TYPICAL SECTlONS ~OR STANDAR~ I110, RS -~
~Er~E COMMERCIAL - SU8DIV1 St QPV S.
sca~E : i,~ = s~ _ o`~
ia`
~ e'
SIDEWALK
OPTIONAL
.~-- - 2
2, ~" ~ SiIBGRADE 95 % G4MPACTION
NOTE~ 60~ irtioimum R/W width
- 2 °!o --.-s.
8A5E-CLASS 2 AGGREGATfi.~~~^-'~+~
THIGKNESS QETERIr1ENEE}. 8Y "R" VpLLiES
CORRELATEO WITH TRAFFlC INpEX
g° CtASS 2 A~ B. ~MINIhSi7M).
2" A. C. SURFACIHG- MINIMUM.
FOG SEAL.
T1=7.5
NpTE~
{~) Widih of Right of Way and paverr~ent to be defermined by
consultation with the ~epartment of Pubiic Works , with
proper cansideratian gi~en to dhe Master Plan and other
Planning cansideration.
I 2) Prime A.B. Prior to Paving
Siclewalks lnay be required by the Deportment of Public
1Norks as a condi#io~ ot a building permit
COUNTY OF BUTTE DEPARTMENT OF PUgLIC WQRKS
TYPICAL SECTIOPJS FOR STANDARD NO. RS - I-A
~~T~E , fNDUSTR~AL SUB~lVISi~(dS -,
SCALE _ ~" = g• _ p~~
4p' FACE TO FACE
35~
~
f I ~--- - z %a - G % -'^ ~ y
Z•5~ ~SU8f3RApE 95% CaMPAGTION~ B~~CLASS 2 A.8.3/4° MA%. 2'S~
2° 7'YTE B A.C. 1/2° AAA7C. ~ M~N[MLIM i;
NOTE: 60~ Minimam 'R/W vridth. FOG SEAG ~
Ti-4.5 ~'.{c~
NORMAL CONST. VER'F~CA6 UN AL.~. MAJOR COLLECTOft 5TR~E7$ A,
ROtLEQ C[1RB iN SOIYtE-CASES WITk! APPROVA~ OF ~
DEPARTIYIENT OF pU9f.lC 1111ORK5
. ~.._.. `
MAJOR R~AO
L~CAL ACCESS RQAD ~WHERE REQUIRED DUE TO
TRAFFIC CON~IDERATlONS)
36~
~
-+-- - 2 % - 2 °~a -+~
~• ~ ~ SUHGftADE 95 % COMPACTlON / g° CLA55 2 A.B. 3/4" NkAX. 2•5~
2" TYPE . 8 A.C. !/2" MAX:. M~N9MUM ~1[~
ROI.tEP CuRB FQG SEA~. T1=4.4
NOTE: 6Q~ Minimum R1W width. ~
L~GAL ACCESS ROAD .
3&' FACE TO FACE
32~
-~- 2 % I - 2 % -~r-
2.5~ ~SU8Gf2ADE 95% CdFi4PACTION ~ B°CLASS 2 A.B. $/q" ~AX, 2•5'
2~~-FYRS 8 A.C. 1/2~ MAX, .!47[HiMUM ~F
, N07E : 50~ Minirnum R/W width_ FOG S~At . ~
~l = 3.5
rw~n~oR R~Aa
~~
#F SU6JECT TO ~NGINEEFitNU ANRLYSIS
~>]E TI T~ flE AS REQVIftEO BY7FtE DIREGTOR FOR
THROE7GH COE~NTY RQA05 OR ANTiCIPATEO _
7HRpUGF1 C4NNE~T[OMS..
{VQTE : .
P~fine A.B. Priar io Paving. . ' ~
~
.. A .
COUNTY OF BUTTE . DEP~RT[~E~VT OF PUBLIC 1N~RKS
TYPICAL SECTIONS FoR ~ ° STANDARD NO. R S~ 2
-fETLE
URBAN SUBOlVISiON ROADS SCALE : i° = a' - o° ~
CUL- DE- SAC R~AD
5' ~ ~
~ ~ Hinqa
~ Poln!
O.SQ'.L~._ . - -
~F~ `
0
~
0
~--- - 2 %
SU8GRAD~ 95 % COIrIPACT14hf
~~~
L
IS~ ~~
~ Hinqe
Paint
,.. 2 a~o ~_
i
8" CLASS 2 A.B. 3/4 ~~ MAX. ~~2 -
2" FYPE B A.C_ 1/2." AtAX. '/
FOG SEAL
G{tAQEO DIFCIiE5 MlidfMUM ~r
- T1=4,5 ~ ~
MAJOR ROAD ~
UP TO 100~ LOTS , AV~RAGE FRONTAGE IN SUBDfViSION
~
s' ~~ ~a' ~a' ~~
1' Hinqe f Hinya
~ Poini y r 2°/a - 2% _~ Point
0.50~ ~ ~ f
~SUBGRADE 95% COMpAC710N~ g`~CLASS 2 A_B. 3/4 ° MAX.' ~~2 ,
2~~TYPE. S A.C. l/y " MAlC. '/
~ . , .
p ~QG 8E.4L '
o ~ ~ ~
GRAOEb plYCHES MINfMt3~h ie
Tl=3.5
LOCAL ACCESS R4AD v
LOTS ~F l0~~ TO 300' IN WfDTH , AVERAGE
~
z s'
5~ !~ !2' ~ i2~ ~, 5'
~.~ FEinqe . ~ Hinge
Point ~2 % ~ ~ % ~ Poinf
0.50~~. - ~ ~~
.~
~~ ~ SUBLiRAD~ 3S % COhSPACTION '`~ ~
, n 4~~ CL.A55 2 A.$. 3/4" t~IAX. ~
d 2° TY~E B A.C. t/2 ° MAX.
FOG SEAL ' ~ . ~ ' M[Id1MVM ~
NO7Es Prime A.B. Prior to Pav'ing_ ~Rab~D ntrCHES T1=3.5
MiNOR ROAD . ~
C.OTS 300~ WiD~ OR LAR~~R
;r 8V8JEC7' i'O ENGIN£ERJNG ANALYSES
~IF ~ 5E~ ~OYe Rs-2 NOTE : sd Minimam R/W width
C4UNTY OF BUTTE DEPARTMENT OF PUBLEC WURKS
TYP€CAL SECT"iQNS FOR STANDARD NQ. R S~ 3
T17LE RURAL--SUBDlV1SIQN VALLEY
~ TY~E ROADS sca~.E : ~" = a' - o" ~
36~
~
5' ~~ !7~ 17` i~~ 5'
HlNGE
POINT ~-- "2°Io - 2 % --•- POINT
( ~- SLEBGRADE 9S% COA4PACTi6N -~ 8"CLASS 2 A.B. 3/4.~~ FRAX. '~~~ -
~~~^ 2" TYPE B A.C• 1/2" MAX. ~
o NOTE : 6p~ Minimum R/W width. EOG SEAL ~ MINiMUM ~
~
o T1=4.5
MAaEOR ROAD GflADED DITCHES
HEGH D~NSiTY-~OTS AVERAGE LESS THAN IOQ~ WIDE `'
2 e'
~' ~~ 13~ E3~ ~~ 5`
}iENGE FfINQ~
`P4lN +•-- - 2% { -2% --~ POINT
Q.50~ ' - /
~~ ~- Sll8GRAUE 95% COMPACTIONj 6'~C~ASS 2 A.B, 3/4 ° MASf . ~~2 ,
2~~ TYPE B A.C. 1~2 ~~ MAX. '/
p NOTE : 60~ Minimum R/W width. FOG SEl1L
~
~ GF2AUEd ~iTCHES
MINIMLiA4 ,~
L4CAL ACCESS ROAD ~~_~•~
M~~IUM D~NSlTY -100~ LOTS AND l~ARG~R g
24~
O.SO"~`C/.~r/ ....r,..... ~y~.y ~
~SU9GRApE 98% COMEPACTEON~ A~~CLA55 ~ A.H. ~/4 ° MAX. ~i
2'~ TYPE g A.C. 1/2 " MAX. ~'~/
fl NOTE : BO' tAinimum R/W iridth FOG SEAL ~
~
~ GRADEd DITCHES MlNlMU1Vl iF
(VIINOR RaAD ~
T1= 3.5
# SUB,iECT TO EMGFNEERING ANALYSlS ~
~
N~TE :
(1~ Structuo! seciion componersts ps shown n5ove Qre minimum,
V'lhen soils ~dictat~, fhiCkness of struCtutot seCtion 5holl be inCreased
in GcGOrdance with requireme~~s o# the qepartment of Public Works.
(2} prime A.B. Priar to Paving.
~
CQUNTY OF BUTTE D~PARTl1~EA1T OF PUBLIC VIIORKS
... TYPICAL S~CTEaNS FOR STANDARD NO. RS -- ~
j~T~~ RURAL - HILLSIDE M4UNTAIN .
. RECREATlONAL ROAQS scAL~ : i" - St`p~~ ,.
3~ I6~ 3~ .
.~
~' H[N(iE HENGE
POINT POiN7
-2%-~
4.50' ~ . -
~- /
.~
~ SU86RADE 98 % C0INPACTION~ ,'2 ~
O
~
a 4u CLASS 2 A.B. 3/A °:MAX, -
2" TYPE 8 A.C. [I2 ~ MAX.
N07E: 5d' Minimum R/W rridth F4G SEAL - MtNiN1UAA li
NO PARK~NG ALLOWED
6RAB~0 OITGHES ~t~~.ra
ONE WAY L04P ROAD ~
SCALE : I'~ = 8`-0°
~F Si~BJECT TQ ENGINEERING ANALYSIS
IVOTE~ Prime A.B. Priot to Paving.
VAR1E5-60~ h41NIMUt~t
im
FEINGE
POINY
~ 3~ 2 ~ 12' 2~ 3'
1 \ L ~""` - 2 °fo
0.50~
n "SUBGFtADE $5 °/a COMPACT[Oy
4
HENGE
POINT
mi
C
2. VARIABLE -
' / 3e
HINGE ~
POINT ~
3~ Z. i2~ 2. 3'
HiNGE
P4tNT
4" CLASS 2. A.B. 3/4 " AIAX. ~•
~ _ a 3~
2~~ TYPE 6 A.C. 1/2 n MA]C. 2~O ~'
FOG SfAL '. - . MiT71MUA7 '~ 0.50~~' • ~~c~.
• ' NO PARK[NG ALLOWED ~~+- • i
GRAOEa DiTCliES ~
~
0 2~COMPACTEfl EARI'FI "
SkkOLILDER .r~= ~,5
ONE tiPJAY ROAO ~ ~
_ SPLIT LEVEL
SGALE : E" ~ 12 ~ - 0° -
~ SUBJ~CT TO ENGIIVEEitihf6 ANALY515
COUNTY QF BUTTE DEPARTMENT OF PUBLIC 1P~pRKS
TYPtca~ ~ s~cTio~as ~OR . STANDARD N0. R S- 5
~i~'~~ ~ RURAL -=HlLL51QE MQUNTAiN
RECR~ATIONAL RQADS sca~~ : as sHOw~v _
;
,
w
a
J
~
~
4' ~ ~
Hinye
~ , Point
.~
a.50~ ~ . -
~
0
r~
O
50' Minimum
12~
dth
i8~
- 2 `Yo - 2 % -+-
~SLIBGRADE 95 % COM?ACTION
T1=3.5-7.5
IVOT~ :
ConstruCtion requirements vary with
Eocatian af subdivision,
Parking curb side on1y.
m
z
a
3
a
COUNTY 4F BUTTE DEPARTMENT OF PUBLIC V41~RKS
TYPICAL SECTtQN F~R STAND~IRD N4. R S- 6
_ , r.~r.~.~, _. .
FRONTAGE R~AD~ sca~~ : i~~ W 8' ._ ~,, , .
~
,
~o~ ~ /
~cy -
Graded 20~ Se~tion !5% Grade Maz.
4" Class 2 A.B. 3/4" Max. Pen. 'Treat. W/5C 250
i~avement apt9onol
Culverts and Drainag8 struCtures Required.
De~relopers Engineer shal~ certify thai adequate
drainage facilities have been provided.
'~he faliowing nate shaN be pfaced on fhe f9nnl
5ubcfivision Mop= The roads in this..5ahdivision
were not designed or corstructec4 to comply
with standdrds for roads to Ge accepted by
the County for maintence,
CO[~lVTY 4F BUTTE DEPART(~~NT OF PUBLlC 1~4RKS
TYP~cAt SECTIQ?~ FoR STANDARD N0. R~'S -~ 7
~~T~~ MOUNTAI~ RECR~AT~ON SU¢.
PRlVATE ROAD IMPR~V~ME~1T sc~~~ : i" = s' - o" DA'~E 4-28 -70
5 Q g'
~ Hinqh F
~f Point }~inqe
_.~.,_.. ~- - 2 % - 2 % --~ Point
i.0' .
5~ ~ 5.
2a
• liinye f
` f/ FtinQs
Paint
~, .~ - ~ °.~o - 2 °I~e Doint
~
!. Q'
--~i Q~ ,~~
`~`/
Graded 20` Sectian 15 % Grode Max.
4'~ Class 2 A. B. 3/4" Max. ~en, 1`reat. W/SC 250
Pa~ement O~fiia~af
Cuiverts and Drainage st~uctures Required
- ~30YE ~ Five Acres or Larger Gross Area.
Develo~ers Enc~ineer shall cer~ify ~.ha~.
adec;u~te ciraina;e facil.3tzes have been
pravidec3.
The fo,l~owing note Sn,i~ ~e placed on the
final Su~division P~iap: The roads in this
Su6division were not des.igned dr eonstructed ~
to com~~~~ wi~h standards for roads to be
accept~d by th~ County for ~aintenance.
CaUNTY 4F BUTTE DEPARTf~EMT 4F PUBLiC .1~IO~KS
:~ '~YPICAL s~cr~o~ Fo~ _ ~S'TAl~DARD i~0. RS - 7 A
TITLE RURAL : SU8DIV~SION . ~
PRIV~IT~ ROAD li4lP$~011EW1ENT SCALE~ li~ = 8~ - D~~ DATE I-~2- 82
:4
i.
I
;
~
~
1
;
~
~
i
:
~
1
~
i
~
f
;
- s
~
~
~ ~ ;
I,.4ver ~'wa Acres t
t
C~ ~~ ~ 5
/ I H:ngOyPt-
~ ~
~ _ -z~ia
~.o' ~ - .
~ --~ ~-~.o~
A. Pavement optional
~. Pravi.de traversable access.
C. Provi3e maintenance agreement,
~~ 5
---f
~ fi:r. e PI_
~ _ z ~,o -_ , ~~ f -s------
~ . ~. o.s'
,f
.
_ ~,,
D. Graded 20' Section 15% Gradc tiax,
E.. $ase as requ9red Yor Traveraable A~cess.
F.. Culverts and DrainaFa stractnres ra4^zred.
IrOTE; I~ot County standard £or mai,ntenance.
~ II.- ~v?4 ACRE Atv'A_SMALLE?2 FAf~CEt.s
NOiE: Use ~xzimproved SCandazd i. abqve or construcC this s~aadaFd ~ar countf ~a~_n[eaali~~.
24`
4 ~ t0' ~' Ip' ~
:, z 2~
~
H-P ^2% ~ -2%.._.. H-~-1
I
0.5,..L._ . .. , ~~
T~~ ~a ~
,1 ~.,.a-~~ - • ~
MTNOR ROAD--LE55 THAN 50d'
Srructura~. Standards Below T1= 3.5
L ~
~, 4~ ~, 13~ 43~ ~. 4~ .
F[.P. - 2°/a ~ - 2%-.-.. . H'~
0.5' .~...... _ i -- ----_....~. ~
i
2'J
+ - Q 5~
' . LoCAL ACCESS RO.AD T l= 3.~
~ A. Prcvide aEignment and grade design
I3. Provfee traversable access.
C. ?rovide m~intezance agree3nant.
D, bD` Minimum A/W Width. ~
E. Str~cturaE Stan~atd.
5ubgrade 95% Com~action,~
4" C~.ass 2 A.B. 3/4" Max,
2" 7Ype 3:? .C. 1/2" ASax,
Fng Sea1 ~ t~Sxni~:ur~
Graded bitches
NQTE~Prime A.B. Prior to Paving.
P:O~F; The,e sfandards st:aZ3, apply ta ehe
raad £ro:~ a~intained Caunty road througl~ *SuSjecC ta ungineer,ing nnalysi.s ~
parcel h~in~ divzded or as Required Gy tr~e ~
pepartmant ot PubEic Works. ~
i
.,..+...~.r,5
C~Ui~TY QF 6UTTE . DEP~,R i~tE!~~T ~~' PUCL~C w>~~j~~ ~
,~.w.~,~,.~.,._-,a.o_ .,~.t..~
TYPICAL S~'CT~O€~S FOR ~ ST~,~'~D!iRQ ~~. ~S -- 8--'~...F~ _~~
r~''~E NOf~-UFt$AtV AREA ...~..--..~ - - .
LA1VD DIVEJIO~}S SCALE : NciNF ~
- ur.~,~...-.r.,.~..:
~ Over One Acre
o.~'
~+" Class 2 A.B, 3/4" tfax.-- & S.C. 25Q Prime
NO'~: Not Couz~ty standard foz L,ainxenance.
A. Provide txaversa~le a~cess.
$ , Provide main~ensncz agxeet~ent.
~I, Oil'E ACRE ANU 5*`,ALE.£R PARCf~'.S
an' rnrr rn cnre
2.5~
~
' I,OCAI. l~GCE55 ROAI]
Structural. SLandards Se7.a•a
40~ PACE
2.5' T! = 4.0
3 2~
_Z~ja ' -2~io..._.
~ ~ ' • .
~
' 2.5• T 2.5~ -
~LE.hOR RdAD T 1= 3.5
L'fTI,-DE-SAC ~.Q~'LD
. • ~ St=ucCural fikandard.
5u6grade 95%Cesnpaction.
4" Class 2 A.B, 3/d" .?av.
' 2~~ t9pe B A.C. lf2't ~t3:c.
~'ag Seal , ~.`Iinisnun
Gzac:ed Ditches
:;:7;'? 'tns~~ s~~.:uarf.s sEiaii 60' t~iini.~u,~ P,J:r' S•lidt}i.
a~~;.,y ta ti~e ro~~ €ro~ rzi.n^ NOTE' Prime A.B. Prior ta P[tv3nq.
[r;r.^_F~ Coa:tly road Chrou~h ~
~~[cel bz~~~p d'.vidzd o~ os Requfred 6y the Qept. of P.W. z,Suvject ta enQ.ineering anal}sis
.,~,~,~,^r-~. r.r t~.~~~'7' . ~ . -. . . . _ ., .. . .
4
~ l'rTi i:'
~
- 36~
~ ~. ~ -2%-~ ~
-~2%
~'YP1~r~L~S~CTI4NS FOR
ilRSAN AP.E~
LA:1C ~~'fl5!~~lS
D~~ARTi~~ENT ~~ PUBLIC 1~~nRKS ~
SiA~D~f~D N4. RS - 9--LQ !
~snm~~c~+~a~wrvw~ .
:
SCA~~ = NONc •
~ ~~R~Vis~o 4/2s/~~
SUBURBAN-STDS. ~ ~
~ . 38~
~ '
'` S~ ~~ i8` t8~ 1~ .
~._ ~ • H~npo ~ tlinqr
~ Polnt , ~ ~ - 2 g~ ~ Pnini
~
0.50~~' - . f~
~~ t SUBflRpDE 9S % COPodP3lC7i0h ~ S" CL4SS 2 A.$_ 3/4 ~ iAAX. ~2 -
'"' 2" ~'YP~ '' 8 A,C. ~/2 ° iK$X. ~
y~j ~U(3 $EAL _ .
G 1~ GRAVEL SHOUL~EFS-
GRA080 ~iFCMES 1N1Nf~iU1r1 aF
Tt = 4.5 ~ ~
MA~3QR COUNTY ROAD ~
~ FRONTAGE L4TS ~ ~ ~ ~
' . 3 O` ~
~
S ~, E4~ - 14'~ ~+ - -
I".~-......~
~- HinQ~ ~ f Nirt~s
~ ~ Paint ~ - 2 °~ I ~ 2 % Poiet
-«
0.30~ ~ ~ r
`SS198FnS.aE S3°Io C01CiPAC"f10N ~ S~CLAS$ 2 A.B. 3/~4 " MAX.. ~~2 _
2"TYAfi. ~ A.Q. I/2 ~ !NA%. ' /
o FOa 9EAL ' .
r~
o I` GRAVEL SHOULOERS ' • ~ - ~
- 6RADE~ DITCkiE3 MI~I~MLiAI . ~r : .: -
~ .; T ~ =~.s ~ .
__ L~CAL ACC~~S RaAD ~ -
_ , . ~ i
.. ..~.~
- . -~
. . _ ,
. - ~
. ~
. : zs - . - - . ~ I
s' 1z' ~ 12' 3' - . .I
E~ ~~
~ ~ Hinge . . i Hirtq• . ' .
Point Painf
' ' • -2°/a -2% ~ ^ ',
~ : . ~ o.so' - _ . , ~ r .. - . . -
_~
~..,., ~ SUBaRAaE 95 % C4MPAC7iQH~ ' 12 .
r~ •
. 0 6" C~A33 2 A.B_ 3J~i ` MAX_ `
_ • 0 2° 'FYPE ~ H A.C. IJ2 ~ MA%. .-
. , ~ FOG SEAI. INItltLiU6i # - .
1~ GRAVEL SHOULOE#i5
N07E; Frime A.S. Priar to Pav'ing. ~~~~Efl ai~cr~~s Ti-3.5 ..
~ CULDESAC COUNTY ROAD STANDARD -
- . pR N4N CQUNTY MAINTAINED RDAD STANDARD . ~. ~~~
~ 3U9dECF TO E'iG1NE~?fHG ANALY515
F ~~E SEE NOTE RS-F NQT~ : sa~ Minimum ~~W WFd3~t
. cou~~~ o~ ~v-r~E o~~~~r~~~~r o~ pu~~.ic ~~~xs
TYPICAI. S~CTi~i~S F~R . ~~ S~"A~Q~RD ' ~f~. SRS ~- ~ ~ .
TE~~-~ SUBURBAN L~TS I~ACRE MIN. ~~ ~
. ~1RBAN AREA . sca~.~ : ~" = s` - o° - .
APP~NDIX III
t
S-1 Standard Vertical & Ro71ed Curb, Gutter & S~dwalk
S-2 Standard Vertica7 ~ Ro11ed Curb & Gutter
S-3 S~andard ~'riveway Approach
S-4 S~andard Crass Gutter
S-5 Standard P.CaC. Pedestrian Ramp Type A _
S-6 Standard P.C.C. Pedestrian Ramp Type B
S-7 Standard Headwa~l Str~cturai Details
S-8 5~andard GO 7y~e Drop Inlet & Details
S~8(AW7) Sta~dard ~0 Type Drop In7e~ & De~ai7s With Side Op~nings
S-8(A-2) AT~ernate Modif3ed GQ Type Dra~ Inlet With Checker P~ate Cover
S-9 5tandard ~fype "C" Inlet
S-10 Standard Concre~e Trench Cover far Streets & Sidewa~ks
5~-71 Standard 5treet Survey i~onumen~ .
5-72 S~andard County Raad S3gr~
S-i2-A S~andard Pr7va~e Road Sign
S-i3 S~andard Street & Stop Sign ~ost Details
S--l3-A Standard 5~reet 1~ame Sign Post Detai7s {Private Road Sign)
S-1~ Star~dard Temporary C~a7~de--sac
5-15 S~andard Permanent Cu7-de--sac
5-15-A Standard 0-Ffset Cul-de-sac
5--16 ~r~veways for Rural-FE~lis~de Mauntai~- Recreational ~lreas
S--T7 7y~-ica1 D e~tai7s of Pavement Replac~ment and Back~i~l Reqt~irements
5-18 Publ i c Ro ad Cor~r~ectian
S-19 Standar-d Mar~hole
S-20 Standard Drop ~ar~hole
5-21 Rpproved Methods o-~ Laying P~~e
S-22 T~p~ca~ M ethod for S~tting Appur~~nances
5-23 Star~dard FIush~ng Ho7e C.I. ~rame & Cover
S-24 Star~dard h1anha7 e~rame & Cover Detai ~ s
5-25 Ecc~ntric Manhol~ Detai~s
5-25 Modi-~ied 5-25 Eccentric ManhoTe -For C-I-P-C-P
ST25 Standard 30" Drywel7 on Pub~ic ~.O.W.
5-27 Standard F3re Hydra~t I~stal7a~~on
5-28 S~andard Fire Hydrants
5-29 Swir~ming Pool Connec~io~ for Fire Protect~or~
S-3a G~ard Part el & Guard Post Deta~ls
S-3i~~ Pr~vate D riveway, De~a~ls
5--32 Cast-in-p 7ace Eoncre~~ Pipe in Raad or Str~~t Righ~--of-way -
5--33 ~ Ou~~et De tails - Drainage p~~ch ,
~
~
14=0"
VARIABL£ ~~~ ~~_Q~~
5~-~" MliV.
RUN T04L
FAC~ QF
PLAiVTING AREA " ~U~$
~ E I 4 FT ----•--
///=/f/_%1.://c •: •:b;.• :: A.~ ..:k::..:. ;n::,: .... .
~' . ~'4•._ ,.4. .cA::: - ' ,,~,r,.:_: ; a.--
. ~/!/s!!!c /// ;~. , . • ..:?~': .:7¢'. : d:.:'t.A=:..:fA'.:"~• r??;:(~' .7J~ ~
~~/~~f/lG/~l~ ~}1~r~4Pi+.. J:J: _::5::~~ ':~.:~a ,:.~•: ~. , .. "
I/1_i//a//7 i/~=a'~^!; °,Y-;v ~p°°r••:P;::::
'ir. : e.~•:,a #'.'4~:c.ti,.p;.1'-:`. v~
F.~::= -.,.:. ::.~::.~
PROPER~Y LlIV£ ~i~r:' ~.... P.'.ry R~i~'=%i~iir'
~~`ri1~,. iii r~ 95°/a REL.
SUBGRAOE l3NDER 2~~ SAND CUSHION TO BE C~MPAC'S ION
SIDEWAL,lC TO BE COMPACT~D COMPACTED i'0 90 % FaR CURB 8~ ~UTTER
TO 90 % R£LAZEVE COMPACY{ON. RELATIVE COMPACTIQN pETAlL SEE COUNTY
OF BUTTE S~D. S-2
~@~~~Br1 Through ~ Fo~ DR~VEWAY DETAIL
STAEVDAsF~D VERTlCAL SEE COElNTY OF BUTTE
CUf4~3, GUTTER ~ S'~~~V~~~ STfl. S-4
~o'-o°
VARl~ASLE ~~~~ ~~_~~,
5 -0 MIN.
6
PROPERTY L1NE Ri7iV TOOL
FAGE OF
CURB
ALANTENG AREA S~QPE I 4" F~'. ---•-
iir~+~~~j'%`\ i ct :ti- :o ~:"-°••c: '° :.e~: ~•...;~~: .•.o•...~:~• ...:~.
` ~ /~ ~ : . •:~:: - •A.~ .. ~•• : ~~d`.. :P_ :~. . .
~~li=i4%=iiipiii:~~r+':::;::r+..:~:is•... :r.`. '~`~:c ~ .c.'.p:.;•i1: a~4~:i1;~:• _
SUBG~tAD~ UNOER iv=~i~~,~r/ e~i'~~'~::o`':Q'~4~:'P'•o:.°::•dE
SI~EVJALK TO S£ C4MPACTED ,~~'~~=' ' ' ' '
o ~:•::i:iF~;:r.:;~::.:_,4t' ~' ~"ij~%%e
TO 90 /o RELA7IVE COMPQC'TIQN. ~~ ~~ri ~ii» ~'~'~ 95a/o R~L.
~ SAND CUSkilOE~ ~"0 ~~ CONiPACTiON
S~Ct~~~1 ~T~1~'OEIg~ COMtPACTED ~0 9~ %
~~l~~~~~~ RnLLED ~:u~s ~~~'A71VE COMPACTION. FOR CURB & GUT7ER
D~~AIL SEE COUNTY
~ OF BiJTT£ STD. S-2
G'~TTER ~ SID~l~A-LK
NO"CE: Expansion Joints SCORE LEN~S - fVOT~: Distance 6etween Score
Not To Exceed ~'_p" Lines Nat To ~xeed 4~
60' Feet Apar~ Feet (r~ 7ransverse ~
Direction: . . ..
~ . ~ ~ ` ~.~h pF • ~ ` 0~~~ •.` ` .
.'4 •a., `• ~ /sh RO , • Cr/p~y `• ~ _
~°~• . ~ °'~ `. .
S. . . .
~ S~On~~~ ~ -~A. ~ -- - - ~
~ .p~.
~ .~: pIRECTION 0~ BROOM FlNISH
.,~.,
D~TA~~... SId~W{lIk CURS ~ GLiTT~Fi '
JCOrB LIn~S ALL Ct1R8, Gl3~~i'EFi 8~ S1tiEWALK SHAl.L NAVE A
~.1GHT BRQO~M FINISH.
CO~JNTY 0~ BUTTE D~P~4RT~~E~1T OF PUSLIC 1P~oFZKS
STD. VERTICA~ 8~ R~~LED STANDA~iD . i~4. ` S- ~
7{TLE CURS~ GUTTER ~ SID~WJQLK SCAL~ -- NQN~ :
~Z~v ~1~~
~
_:-....-~- - -- --- - - ._... _. _ . _. _.._ ,..... ..._...__'._.. __. .. ". ~ ----~--_.... ._... _._ _~.._.M..____ _..
by
l
~ ~« 6~~ 18,~
FACE OF Cl1RB ,4
! ~ F~OW L!A
!
~
sEC-r~oN
ROLLED CURB
& GUTTER
E - LIN. FT. _
1.44 CU. FT.
S~C~~~N
VERTICAL CURB
8s GUTTER
i-LIiV_ ~7. _
1.46 CU. FT.
0
•~.' Q ' . ~ ~ ~'~
p, ~`~~ ' ~ ~ . .Q . _ .- . D' . v' A~ . I°SATTER ~-~-- ~
. A ~ :d: -•~. ~, ._c~ : p~ ~ : . _ ~: : : -~• - -d .
/. . a. • _. -•~ ..
!2`~
~
'-~a
2~ r ~~~
s« i,~ ~'- ~i"
~~~R FACE 0~ CURB
. ~1 . . ; , ~LOW L1NE
, • . [n R
. _ -• • P . En
' ~ 2 R -
N ~d- :,~: , :~, •~ .: .~_~:_~..._~'..'••:~, ; ~
• _ • • ' • - . - • ' _ ;c • 1 BATTER ~
- : ' ~ . , . :n : . • p : " ' D • . •Y, •- ~a. . .
..4. • ~' • ~ • • .'~ . .. . ., _ ~ ~ ' . . . . :p•, ~
=~N
~voTE :
YERTiCAL tURB ~ GUTTER 70 6E (lSEQ
AT ALL CUAB RETURNS.
1/4" EXPAN5t6N JOlN7 AT BOTH
ENOS & NEID?OENT OF CURB RETUfiN,
~O
~'•~ \'
.
~~
. ~ F ~-• 7' ~~~~~ i/4`~ WID~ EXP. JO[NTS -
; QE MAX. INTERVAL $b
O
` ~ 6~~ ~(} 5~ ~/8'~ SCOR~D C~N7FtOL ~
, .~ 0pP JOINTS-MAX. 1NT~RVA~. 24
' '.
. . ~ ,~pE
, ~
,•'~ DETA[LS OF TRANSlTIt3~ FRD~
.' ROLLED CURB & GUTTER TQ
VERTtCAL CURB 8~ GUTTER AT
CURB RETURNS ~
COU[~TY 4F BUTTE DEPART[I~ENT ~F PUBLIC INORKS
STD. VERTiCAL AND STANDARD N0. S-- 2
TITLE .
ROLLED CUR~3 & GUTTER sca~.~ : i z" _~' -- a" ~ _
~
~
_
,
P
~ ~
~ ~~
~ ~
~ ~
,i
~f 1
~~ ,J4~~~ -= ~5 ~N~ `~
Ex~A~s~ ~~p5t~~t0~ ~~ ~
A °'"
~ ~
' O
D~~~ ~` ft~+5~
~ _ ~O~R ag~~
~
.~ ti~~ E~C~
~+L Ly q~
2k~~~ ~~A L ~t~~.
L ~ ~
~ 1 ~
~~~ '~R~ ~
~ !
~ ~
o ~
C
~~1G~~
~R6
G
/ ~`
~:
// ;
~i
/ I
301~~
~~~p~S~pN
/
~ . /
ii ~ ~~~11/
NOT~~ Ml3V. DRIVEwAY„ THtGlCN~SS
SWALI. BE 6 .
NOTE:
SNOUE.DER LENGTH 60'~ FOR
PARKtI~G LO7S WI7N MORE
7HAN f0 PARKIf~G SPACES .
SIDEWALK 5` !~-i1N. Wlbl'H ~6~~~
~~
2 4 ------~ .
~„ 8~o RflAX. SL.OPE CO~i~lE~lCIAL D/W
Q /Fi" SLOP~ - - ---~-- ~ ~ CURB
"p : . ', , . . . , .HE16~T
~ ~ - ~ • " " a • ~ ~ 'D. ' • ~ io • a, • . ~ • p - : ~ _T_
•' . ;`"f= aa t: s~i_ . ~ , • ~ ; . ~~,' ° ~_ : : • ~ ~~ R •' •Q: •. :1"$ATT~R ~
;~-..,,.. : . : . , . . • 6 ;. , ~ • .p ; - •P ~. ~
..ar :.:;;~.3;=s•el:~:~. O•
'.f.' i~l~i ~" ~ ~ ~
SECTION THROUGH ~ `~"'~~'`~=" '-::'3
DRIYEI~IAY APPR~ACH
2° SA[V D CUSNION ~
APPROACH AND GUt7~R ..
POl1RE~ TOG~THER •
COUNTY OF BUTTE DEPARTME~VT ~F PUBL~C V!l~RKS
- STANDARD STANDAR:D N0. S ~- ~
~ITLE . DRIVEWAY APP~OACN sca~~ : No~v~ .. . . _ ., ~
~
Back of Curb
I
i
I
I
I
~
I
~' a
4~~ Exp. Jt.
Apron ~ Ja
~ Cross ~~ Vertical Curb
Gu t te r ~"`" --+-
` Apron
Vertical Curb ~~ ~ FI
~~-- ~ -
~ i
~ ~~ Expanslion Join#s
4
iSee Note)
AI~~ APRQNS SHALl. B~
CLASS "A" CbNCRETE 6~~
TH1CK THRQIJGHOUT
NOTE~ Expansion Joints ShalE
be Placed af Eoch End of
Cross Gutters ~nd at M~d--Span
Perpendicu[r~r ta the i~or~gitudinul
Axis, and a# Bath ends of All
Curb Re4urns.
2~-~~~
5~~ ~,~
$aclc af C~rb
4 ~xp. Jt.
NOTE~ Vertical Face 7'ype Curb
shal [ be lJsed on Ql! Sireeis
Ar~y Portian of Which, Intersection
ta in#ersection,Has A G~ade of 3%
or Greater and at AEI Curb Returns
at Streef InterS~Ctior~s.
2 ~- 6~~
~E w
I R_~~~ } R=1~~ ~
. ~ ' p .. : : -~ _ . . . ~~~ . . . .... . . . . .. .. ..._.., v , 0 ,. • _ ~
. ~8~~ -~--2~~ Batter , ' • .d .p •• • : . .Q .• • ,6~~' ~.' • . Q • . d ' • •' 2~~Satter-~ Class ~~A~~
~ ' Q • .Q.', +• 4 I • . ~ . ' . .'a . - ~, • Q . '. '. . "' ,~ p ,: _' .~, : ,~ (6 Sks/Ca. Yd.)
p '. _ - p` • . ' o • - . o `~ - p. _ . a ~, ~ . ' . .. ,~• • , ' • O, !
. . • . v - • • 6° C. R.B. or Equal on Adobe Soii • ~, - , ~ • :". ~ _ 'p• g"
. ' . O ' ~ - o • • . o . d - .'o '_ v • • , d o ~ _ ` , • o o . - ~ j
///~ l/~~ ///..=//l:///~ /~l,~//I,~ ///,1 lrr~ /l~,r//l~1I1~1/~,~///~///~ ii/ ._i
` TYPICAL CROS.S-GUTTER ~
. scare: t"= ~' ~ -
;
C~UNTY QF BUTTE DEPARTMENT OF PUBLlC Ir~ORKS
~ STANDARD CRO~S GUTTER STANDARt? N0. S~- 4
_. ~ 1'ITL~ Typical Crass - Sectfon . - .
Typical fnters~ction Pfan SCA~.E : AS S~OWN ~
~i 2'-O~~ ~ 2~-0° ~Oa,
s
• e » 1
~ - 6 ~. Street
~
~ ~ I
~ ~
GUTTER LI~ ~ ~ GUT~fER LEP ~I
o
~
~
4 c ~ .
~ I
I ~
V
i
bt
ar a
e
~
3
I °
~ ~'- C~rb Face
i ~
~
~ Verfical Type Curb ~
I
E ~
t
I
~
o TrQnsition fram Vertica! o 1
~i
~
~ o"'~' to Ralt Type Cur6 ~ace ~u o~ I
~ i,~ ~ ~
~ ~xpansio.~ Joints
~
e
SIOE AND R~AR PERiMETER QF RAtWP SHA~L
HAVE Pl.IR~. EL GROQVES l/~F~~1M~DE X I/4~~
. I4' DEEP X I`~ ti.RT 4N CEN7ER F'OR A WlDT~3
CROSSVUALK OF 6~~ .
a -
~FACE OF CLfRB~
~
~
p~ i ~ /~1~ ~
DIRECTIQf~ OF ~Q~
flRQOM FENtSH t~,
~~a
o~
G~
EXPANSl~IV .~OINT ~P
E.R.
/ *~
~:Q'
~F-
-~ I
~ci SIDEWALK
4.62~
-EXPANSkdN J013VT•
1 I
\ ll
~ ~i
^/2 i
PLAN
~
a
~
V •
Et
a 5.5~ RAMP 3.5`
1/2`~R
LIP ~
. a
w
2~~~ 6" 12 °/d SLQPE _MAX.
CURB k/4~~/FT. SL.aPE ~_
HEIGkiT , . _
a. .,~;•
'
" '
• : •~a : a~ .. .,~- :
-q; .. ~ ~4:. _ i~~ d,
i -
a•
. - :°-'.•' -
'
A
~ ./
~
, 1
1D 4~ • 4 .
~a d. '~
~ 2°
`~• =;
_ SAND
CUSHfQiV .
;r;,:
y; , .
sECTioN "A"-"A" -
n~o~E
RAMP AND GUTT~R ~
PQURED "fQGETHER ~ ~ Revised EO-2]-77
i
C4UNTY ~F BUTTE DEPARTMENT OF PUB~1C WURKS
STAI~DARD P C C:'° ~ STANDARD N0. ~ S-5
PEDESTR[AN RAMP TYPE A
SCALE~ NONE hiARCH ID, 1976
. +71L/{.. M1~4V 414.e~~• i~~~~~~~r~w.. ... ....... ~.-._~R. ...
_HAYE PARALL.F~ GROOVES t/4t` WiD~ X I/4~~ _.
10~ _~~EP X t" APl 0~1 C~NTER ~'QR A WIRTFi _.
CROSSWALK .OF 6" -
ff
~i
! F'AC~ OF CL1RB
~
,
~ ~
p~ `~~ iti ~ S!.D E W A L K
`` 1i~
~ f
; ~ i
o N `\ ~XPANSi01V JOINT
- cn
o ~`
~ •'Q'
DIRECTiON flF
SROOM FIN15H
EXPANSION JOiNT ~ ~ j
i1/2
E. Rr _.... .
PLAN
~
a
~
~
~
O
u~
J/2" R. L l P d
24~ ~ 6"
CURB
~ HEIGHT
~ Q. '.A~»;6: :; :~;::;:',:
_`' ~'4~ --: °~l
5.5~ RAMP
12 % SLOPE MAX. ~
l/4"/F'~ SLOPE
y .!i~,.~;~=,f ~t~::? .~,_ a
• 4 .:i., ~ ~, '
r ~~~ SAiVn CUSHlON
SECTI4N "A"-"A"
Revised 1D-2l-77
C4UNTY 4F B~TTE ^EPARTMENT 4F PUBLI C WORKS
STANDARD P. C.C -- STANDARD NO. S--6
PEDESTRiAN RAMP _TYPE B
SCAI~~=.T+lO1VE MARCH 1[, [976 ~F
. . ~.~~ ., ...~~.. .
SECTION A -A
PIPE HEADWA[.E. VARIABLE DIMENS[ONS
~IA~IIETER WIDTF! SLOPE = l~ I SLOfiE = 1.5 ~ I SLOPE = 2~ I
~~z~~ ~~X~~ ~~Y,~ ~~X« ~~Y~~ ~~X~~ ~~Y~~
~ D+2~-4~~ D+2~-6~~ b+2te-6~~ Dt2~-6~ 1.5(~+2'-g~~) Dt 2 2(Dt2~--6'~)
8~~ ~~~~~~ ~~~2,~ ~~_Z~~ 3~_2~~ 4~~9~~ 3~~2~~ 5~_~~~
10~~ 3'- 2`~ 3~-4~~ 3~--4~~ 3~--4~~ 5~--0~~ 3-4~~ 6~ -8°
12`~ 3~- 4`~ ~~- 8" 3`- 6~~ ~{~- 6" ~~-3~~ 3~- 6~~ 7~~ 0~~
t5" 3' - 7~~ 3~- 9' 3- 9" 3- 9~ 5~ _ 7~~~ 3,-- 9~{ 7~- 6„
!S" 3' -!0" 4- O~~ ~ ~~„ 4- O~~ ~~ _ ~~~ 4~~ ~~~ B,T Q,~
21~, ~~~ ~~~ ~~~ 3,~ 4~~ ~~~ 4~W ~« 6~4~« 4~_ 3~~ 8~~ ~«
24" 4~- ~#~~ ~F~- 6" ~i`- 6° 4~- 8{' 6~-- 9`~ 4~- 6° 9~_ ~~~
2T« ~~ ~ 7,~ 4~^ ~~~ ~~_ 9~~ 4~~ ~~~ 7~^ ~~« ¢~~ 9~~ ~~_ ~~~
30~~ a~- 10" 5'- d'~ 5~- 0" 5~- 0" 7'- 6~~ 5~- 0' i0~-- ~~~
COUNTY 4F BUTTE D~PART~E~T ~F PUBLIC INORKS
, ., STANDARD. HEAD~IALL STANDARD I~O. :S -- 7_
TITLE
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Top of curb
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TYPE 24-13 GRATE
NpTE~ Fyaro• B qrafiny ahall
conTorm fo Pink~rton FoundrY •
t1p~ A-864 et •quot.
s~.o~~ NoTEs
~Q[~Q~p D. F. G~2AD~ --- ROAa GR.
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STEP DETA~L .
FACE ANGLE ANCHOR DETAIL
COU~ITY OF BUTTE . DEPART~IENT .aF PU~L[C 1~4R~{S
~ STAtVDARD GO TYi'E ~ 5TAN~A~D N~,~ S- 8
~ TlTLE
DR.OP 16i1LET ~ D~TAIL.S sca~.~ : No~~ -
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;; ; ~ TABLE A '
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--- -
G~~~~~-L ~oTES
!
~ I.~~H~~ 15 7HE DIFFEREFiCE !N ELEYATION BHTWEEH THE ~'
DUTI.E7 PIPE Fi.4W LIM£ AHD T3{E Ndi1MAL OUTTEii ',
~ GRADE [.l3YE 33NaEPRE88E~. I
A R
'
'H
°
~
A
AT
PL
N e"
+
CENT8R9 pG CED
I/2
CLEAA TO N51 E
OF
60%
I
l1NLES5 QTHE3iWISE SHOWN. ~
3. S7EP3-NOHE REqU1REn W11ERE "}!" 15 3~-6" OR LESS_I
fNSTAl.L OFiE ST£P~ i6° ~" AHOYE FCOOA WHEN ~H' f5 I~
TRANSE7IQN TO MORE THAN 3~-8° ANO LESB TkAN 6~-O°, WN~qE '~H~~ lS ~,
fiOLl. CURS & ~~RE 7HAN d~-0~~ STEPS SHALL 6E SYENLY $PACED AT I
ER k2"'~' iNTERVAE.S FROM I8~ {' A90VE F1.OpR T4 YliTHIH ~I
f2° a' OF THE TOP OE THE BO%. PLACE 37EP$ !N
~ WALL W3TH6UT PIP$ OPEHINGS.
gs ?1PE(S} CAN BH PLACEO IN ANY WALL.
y CUR9 SEC7i0N SHALL YqTGH ApJqCENT CURB_
~, BAS[N FLOORS SHALL BAYf woon 7ROWEL FINkSH
EXPAN910N pND A MINIMilM SLOPE OF !2 ~ 3 FR41/ ALL
JOiNT pIRECTi~NS TOWARD. OUTLET PkPE_
j ALL HARpWARE SHALL BE GALV0.1i12ED.
J WHEfi USIHG STANDARb Rb4LE0 CUAB B 6l3TTER~
WAR? TO VERTiCAL GURB ~b~ . .
jWH~l1 APRON IS REOtiEqEb Vlk7H CROf+^]HLET
E%TEND ik4 SiDEWALL RE-BAR 12" IR'f8 TAPERED
flUTTER PAN.
10. p~leTe Apron in Nao Curb and Gutfer Areas.
~ 4 °Ie wA%{11U11 BAAaE GHAHBE . ~.
Ctlpb pRAOE~
H T
B'-p" ar isaa 6'
8~-i" to z0'-O~~ e°
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r~aoo Aedla (En• Ar t Gsfally
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~~ ~. a•.a.'• .'a.•~;,, ~ e. ~,a •~ ~•,^,~' PEFT7EP Pk1l. ~
~toa Lino . , 3'..~' '' •- ~'-~ ~^ L~elrfe AFror. in Nan Furd 4nG GUZICC Nrwa, '
. E 6
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E~r.R C~ESDE ~„~~ ~.~-..---
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' ' ~~Jf "~~l1i" d~" i ~~ 47
0. T . G~l.~~E --~ ~OAD GR.
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rpRON
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•~
^ §a aF31FS FLOORS S1{i41.i. FSf:~E 1CDOG TkO1G'EL FIRiSry
~XPt~t.S!qP3 -~--
d01MY F.IFG R~..41lfli£::lF ~i,(+FE b~ !~ ~ b iY.OL' kk.l
piT.~`CTIQkS TOG+RP.L GliT6€.7 F[F~.
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C~U~.T~` 0~ BUTTE t~~~~RT~~~T .Of= ~C~~L1G ~'~R~CS
~T~~D~F~Q G~.. 7'YP~ ~ STAI~~~R~? {~C~. ~ ~- ~
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fi~°O~ sr iaesT 6"
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1/2"s 1 1/2~ RELLSS SNOi1LGER ~j
ft P AT ' 4 ~VER OPENIfib
FQ R GRAT~ Q L ~
' i~
~•
•s II2" fd ^ b" i s
GALY. 80LT5 ' ~
'~
. ~ ` ~a
_ F~~ ' SLOPE FLOOR ~4" ~
a~ ' f I/2~` PER F003~
F ~ ~
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~ TO PIPE FLQW !.lNE ;~
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SECTIOIV E-E NE GH7 pF OPETi NG ~E~
EXLE~pS 0'- 8~~
H 'f
8'-O` OR 4ESS 5`
8~- 1~ '~0 20" - O~ 8r
OEPR~SS RQApSiDE DITCH
FLDbYLI~i£ 0.40 AT INLET
~Y
3
H
"STEEL STRAPS
STEP DETAIL
F
E
EI\4 If arSHOtrtO~ I
1 ~
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SROW~I !~
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ACROSS OPENiKg
T 2~- $ ~ T
P" LAN
"~'i T !~ 2~- 8~ ~ T ~
t. REI~lFOflCi.e~ti STEEI. !N WAl~l.S SHALL 8E p 4 BARS AT IB"=
CEIJ~TERB PLACED 1 I/2°C~EAR 70 INS~DE aF 90X uNLE55
OTHERwISE NOTEO.
2. STEPS--NONE REQUtREO WHERE ~H" IS 3~-6` OR LESS INS7ALL ONE
STEP Ib"= ABOVE F~OKISt. WHEN ~i° 15 MQRE THAN 3`-6'~AND L~SS
THAN 5~-0~ MfhlERE "N" 1S IiilOiiE THAN 5=0" STEPS SHALL 8E
EVENL7 SPQCED AT 12~= INTERYALS ~AOM 16~~~ ABOVE FLOOR TO
12'~ OF T~IE TOP Of THE SOX. P~ACE STEPS lN WALL. .WlTHOUT
P1PE QPENlNGS.
3. PIpE(Sa CAH BE PGAL~D IN AHY WALI.
4. BASIN FLOORS SNALL. F!AlIE WOOD 3fi0WEL ANO A 6~1NIMU~
5tOPE OF 12~3'FROh1 ALL DIRECTfOHS 30WARD 4UTLET DIpE.
s. ALi~ HARDWARE SHALL 8~ GALVANIXEO.
!~. T09 Of COVER AT 5A1IE E~~V. AS E.P•
T.~N~` IS THE OiFPERENCE IN ELEYATiOk BETWE~t~i TH~ OUTl.L°T
pEP~ FLOW 6iN~ AM~ THE TG~ OF COVER.
~ EC 10~! F- F
(.,~ a`- i o i a"
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N SC ~
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M!
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4 PI.ATE GaLV,
COVER PLAN
F
C~UN~Y OF BUTTE D~PARTME~IT OF PUBLIC W~RKS
ALTERNATE Ni~DtFiED~~ :G.O.. STANDARD N0. 5--.~A-2
TYPE D~4? ~I~LE T SC~iL~E~ h~O~NlE
~C
~
I 3/4" X [I2 JULDER ~ ~ ~ • ~
! I/2° l 1/2"
o Q
r 1
~ ~ ~ COYER ' """'"~
IVOT SHOWN ~
F - ---- ~
~ 3/a°x i/2" -- -
SlipULpER
~ ~~w __ ___ ~~~ !/2°~ x 2~-9° rods across opening
3•_ ~~.
~E
PLAN
~ I/4 " Sfea! checker -
~
plate cover (gaEv.) .
~-3/4° ~ h0fe8^~ro
_i
^^ N
\
N
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F--- T 3/8'~cEear
k =
\ ~
N
~ _i
L 3~-3~ _ ~
~
C~VER PLAN
(W7.74 EbsD
I/2°x I 1/2~~ recess ahou[der ~
for 9rate or plafe.
Elevafion of fin[shed grade af edya
~
2 ^ 4 ov6r of pavemeni or shoulder
opening
#
A
~ u
[ I/2 ciecr . a•
~ ~.•.. ,.A.
' 4 a# 12° both
: ways(only if
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Keyed tonstrucTion '
joint opTional: I/2" din, x 2`- 8" rads
ccross openin9 when
Aaiqht of apeninp
axcends O~-8"
SECTtON E- E SECTIOlV F- F ~
COUNTY 4F BUTTE DEPARTMENT OF PUBL~~ 1~ORKS
~ STANDARD NO: S ~- 9
~
~"
" ~
1r~
r~E STD: TYPE
INLET .
C .
SCALE : 1/2~~= ~`- Q,~
~
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i , • • - _ L ~~•~ : ; .
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I ~ . . ~C ~ .J~ =3~„~ ~ ~ ~ ~ ~ ~ . ~ !
t Y `-'~•~r'.~~-r.`r~~ i
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' ~ N4TES = .. , I
)" ~ ~ TFrEhCH DET,4ILS AA~D S/ZE DF FR.4ME, j
WITH GR.CTE OR' GOI/ER W/LL ~'~ - ~
~ SPEC/ F/~ D ON PL .4I~JS. ~ '
NEEh'AH FOUNDRY CO. NO. 49~ ~ A-D IIt~CLUS/VE ~~
~ OR E~U.4 L . F
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-~~~~~ ca~c~ETE ~ ~~~c~c~ cav~R . -:
~ F~r~ STf~~:~,TS ~- S~aEI~'~!~.KS sca~E = n~ora~ ° ~
:
Nor~ :
Wher+ resurfacing raad
add riser ring betwesn
existing bax 8~ caver
to meet new roQd grade.
RESER RING
_~___
2"Min.
`~ ' '~l/%` ~' ~/%r
SURFACIN6
._~~ - -
1`•
- -.~ --- -- -
~~,C3; °. ~ f% ~.', ~~~ 4 A. C.sY~AGG EG. BAS~
~C~ :~ . o. • ~• 4. ~b,G7
•~ 8" D1p, 'a ' CONC. JACKET
C~e~• •_ .~ ~ 'a•n'.' , ~ POiJRED O~+E
t0 ~r DEA_ '~ 7HE JOB.
.~~~~3 N ,~ 'q• ~l, '(7: , •
. ~ ~ ~ B~~ DIA. _4,p. ~V~
G. l
~ . d• 6~~ ~iA. ~~~ ~Q.• " COLES JdI~lT
\~ p '~ ° ~ ' ~•° • ~ OR F~LT PAPEit.
T ^~ ;%r Q• .4 •~:••4'~ ~'. •
~ CONC. RIf~G-PR~CAST
s~ N ~~ .d, e•~a' -' ~a • •n:~•'•q OFt POURED OH THE
u,n~n %n~ C': ~ . . • ' ~''~~.,~ ~ ~oa.
,, .
~~ ~ -~~. ~.~ ~
NIARKER- ~•~ •,d ~ p~ ~ FoRM~D WITH wAX~D
~ ~: ' . ~~• < CARDBOARD OR 5HEET
~ ~ , . ~, _ METAL CYL1N~}~R.
~ o \ .a ~ ~. ' ~ . < .
e~'~ ~ p . • . D ~
A• /
~~a:..~.~~
•.4.:.4. ~~-EARTH
~ '-' ..:e~ \
~ •~6• . d ; ~• 1
~ %/ ••n•. _~ . ~
. s~ -fA. - _ _ _
~90i~U€VlENT SECTi0~1
~IOTE :
(Vlonume~t to be TVo.4T~
YQIY@ box w/C. I. face a caver
for traffic use.8roolcs
Praducts Inc. or equal.
/
~
.
C\f
~
- BUTTE C~l1NTT -~-
--- LONilAlENT --
' i , ----- -
~ ~, ~ "_ --- -
,, -
C.1. COVER
~~ 2u
MONU[~lENT '
;
nr~~tnKER
COUNTY OF BUTTE D~PARTIVlENT 4~ PUBL~C V{lORKS
STA~IOARD STA~IDARD N4. S- II
TiTLE , . .
STREET SURVEY M4NUMENT sca~~ : n,on~E ~
• 2'~ bIA.
i~
rY
`
--- - 24`~M[N. 30" MA
W1H1T~ SCOY'CHI~IT`E-UPP~Fr CA$E CUT-OUT•''
L.~'7"~FrsS STYL£ 2270 5~R1ES ~
NI`
~ ~ '4]
/'~~T~S:
I. ~FFL~'CT'1~F" LETTERS SKALL BE IVkECliAfVICALLY APPLIED PER MANUFAC7UR~R`5
SPECIFiCA~"IONS. , -
~ .3~/C/'t~s .SH.~~~ .8£ PRlN7~'G UN BOTf~ SJdY~"S.
.3 f~as~~~~~ FDR M~u~rTl:vc se~s sH,at~. ~F k~»rK~~rS-,~r~Wxl,~s, YI4t~JDJSL-/O5
CR~SS _ PI,~C£ AXD YI~~l~DJ SL -2C- C~?J POST CAA, OR EQU~L _
ii
-~t. SlGNS Slr'tLL. BF MOilIV7'~fJ D/k ~ /.D. G~LI! PIPE S~'T .3Fi" /N GROLIIV Q j B F7.~
OF~ 1"NE TR~YE.L,~L7 NYAY W/7'J~ T.'!~ B~I s':~ Or^ 7"N~' SIG~1f T F7" ABO'/E 7HE
El.7GE OF THE Tf.'1# ~'~t E~ Ws! Y. ~
J~. 6~LL~"IV HfAla' .SET' .SCR~'H4'S A€FIXIiY3 7'kE S/GN TO Th'F' frAPDYY.df~~' ~' C~P TQ
TO Th~E PIP~' SH.4L.L B~ T/CHT~N~D, WITH 7NF NDL.~'S Tf;.E'N BE/I'IG Fi~~ED
Y~iT1~ ~"~.1~U/G M~`TAL," !N SuG'N A M~4~1'rV.~'R rk~r TXEIR REI~04~AL /S
R~IiIDFf?~.~~7 1M~`CJSS/B:~ E. . -
~. ,5~~ ,S7'~. FrOST O~Td /L, LJRsS'rVlh'G. .
Z G'ENTER L~TTER.S QN SIGN AND L~AvE i/2".Mll~. l~4ARGtN ON BO~'H ElVpS.
COUNTY 0 F BUTTE
QEPARTMElVTOF F'U$~.IC WOr~KS - ERfGIiV~ERING
ST~~VD~,~D CDU~TY
~ ROAD S1G.~
. _ • ~~s. ~o.
~ - . S -!2
:'~ ~/XlI3JS --~d t~3~Yle~/S
-...~ srrcF Pl,'~t~ur~2a~sic~v•`
:' 6,~~l~i~, D~? EGPU~~
-~ 4.I.2S rNrcN
R = I/2~~ TYPical ';~
GREE{V .SCflTCHCAL
.Si/E~'T/NG - Na 607
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M~UNTING BQLTS
~~~.
a
~'a-- ....._ .,.,-- Z4 ~~ Minl. - 30" MAX.
I I
rvo~~s~
I. Refiective Letters In C~n#rasting Color With Bockground.
2. Signs S~iall Be Readab~e On Both Sides.
3.Signs Shall Be Bolted Ta A 4'~X4" Post Set 3` In Grou~d A Minimum Of 5'
~'ram The ~dge Of The ~xisting Traveled Way; 1"he Base Of Sign To Be 7~
Abov~ The Traveled Way;
4. See Std. Pas# Detail praw~ng.
5. Center~••Letters On Sign And Leave I/2~~ Min. Marqin On Soth Ends.
6. Signs To indicate Both Raad Names At lntersection.
~. ~
T~ ~
N I
8A5E ~ SiGN
HO7E~ E. wrrE~iE STREET S~GNS 8 5iOP S~G:vS AR E
. TO 8E ~SS'c0 3N TkE SA.+A£ lOCa7s~~M1i,
1'H~Y MAY B~ T.IOeJ~Y~~ ON TH~ Sahi~
P05 T. ' . .
~. ?O5T5 SHA~l, 8E SET ts3lN. S~,Ik1AX.30'OFF
THE TRAVELEp WAY, OR $'FT. FROM CUf28 pR
- DIKE F4CE ' ,
_ z 3• BASE OF STRE~T SIGN SHA~~ ~E 7~
~"- ININIM131y1 ABOVEThIE PLANE ~EVELW1TFl'
' ~ THE ~OGE pF TRAVELED WAY.
2~~ G.I. F'IPE ~,d ~n 8ASE OF STOP S[GN SHAL~ ~g ~~T.
~0 7FT. ABOVE TH~ PLQN£ LEV~L WI'f~1
,~e'sz THE E~GE pF TRAVELED WAY. '
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TFiE TRAYELED tl~AY~ OF2 S~Fr FR~pf~i t~rt~ p~
tlkKE F4CE ~ • ~ ~
2. BA$E OF STRE~T Si(3P! SPlALL i~~ '7' P'i.
#+L~P11pRilid ASOVE TFi~ P[.ANE L~V~I, MIITM '
tHE EOGE p~ t~AV£LED KYAY. '
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TR~AYELED WAY ' ~
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- ~~.`'~•.~ ~ ~•~
+" ' ~~: $tAA1pAR0 STitEE'f NAM& SiGY
I ..,:•':'~• •}'•'• :~ . POST ~ETAILS
. ( ~ •i~~~ '~. ' ~ . . nr~q Na .
~
~ . . ". . ; . ~ ~ '. -
t' - ' _.~'.:~ , , . _ S'-~~~
~
8A5E OF 5iGN
TRACT E' M~~. LINE
i
i
/~ ~ ~
~ \
/ ~=252°10~ 54" \ ~
~
R- 29.50
/ L= 129.84~ \
w
z /
/
\
J / \ ~
~ / \ J
/ \
~
~
~ \
~
tl~
/ ~
N
~
~ \
/ ~
~^= 36° 05~ 27" ~= 36°05' 2
~ 7" ~
R= 2C7.00~ R=20.00
L = 12.60~ L~ t2.C0~
]
~
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~
~
E- m
a
~ ~,
~ H LL~
a ~
U ~ U' U
~a_a~ 20.0' 20.0` ~o.o'
30.0 ~ 30.0'
60A~
NOTE All curve data is to fflCE of curb.
CC}UiVTY OF BUTTE DEPARTMENT 4F PUBLIC V~QRKS
' STA~~ARD STANDARD N0. S - [4
71l
LE
TEMPQRARY CUL-DE-SAC sca~.~: i" = to' - o" ~
R/W LINE DATA
G = 268 ° 49~ 50"
R = 50.00'
L = 234.55'
CUR9 FACE DATA
8 = 268 °49~ SO~~
R = 40,OD~
L= 187.58`
GUTTER
~
~
J
/
/
/
/ o+
\
~
~
\
\
! ~
\
~ \
~
R/W DATA ~
d=44°24'55" ~
R- 20.00`
L= i5.50` /
~
~
L.~ - -
CltRB ~ACE ~ATA
6 = 44° 24~ 55'~
R = 84.04~
L = 23.26 `
~ Fi/W DATA
d=44°24`55~~
R = 20.OD~
\ L = 15.50'
~ ~
~
- - - - - - - -,
CVRB FACE' DATA
A = 44°24~ 55°
R = 30.00~
L= 23.26`
~
10.0~ 20.0~ 20.0~ i0.0~
30.0~ 30.0 `
60.0~
~
CQUNTY OF BUTTE
STAN~ARD
~ TIt"E.E
P~R~IA~#ENT CUL-DE-SAC
DEPART~t1ENT OF PUBLIC WOR~CS
STA~fDARD N4. : S -- !5
SCALE : E'~ = 20' - O°
CF1R8 FdCE
R = 40.40`
/ ~
/
~
r
l
/
f---~ `
RIW LIN~
R=20.OQ~ TYP
~ CU3tYE D4Td ~
~ n= aa° 2a'ss" ~
/ f
TTFR /~ }
!
~ (
+ 48.99~ ~
~ 5 0.00 ~ I
~/ 1
/ #
/
/ . ~
/~ Cl}RVE DATA ~
/ e=g0° 44~00°
/ CUR9 FnCE 'o, o ~
~ R= 30.00~ 1'YP m o
m Q
l P ~ ~
x
J~ ~
// ~
/ 1
/
~ ~
/
Ct1RVE ~A7A ~ i
Il= 178° 44~ 50~` ~
/
/
CURVE DA7A I ~URB FACE
Ft= 30.00'
C= 4 A° 24' SS~~
Eo_o' zo.o` 20.0' ia.a'
so.a' 3o.a'
~ I
~
~
-~~-~t
ITEM C~TY 4UAIVTITIES COlliVTY QUANTITIES
AREA 56p5 Sr 5665 SF
VERTICAL CURB & GU7'fER 47 LF 47 L~
ROLLEp CURB & Gl3TTER 17t !.F 17l LF
S1D£V/ALK ( INt~il~ES PEb. RAiriP ) 878 SF E067 SF
COUNTI' 4F BU7TE DEPART~diENT 4F, PU~L~C V~I~~KS
~ sTA~o~RO . STANDARD N0. S- I5A
Tl~LE
QFFSET CUL-DE~SAC sca~.~: ~" = zo'
RIW LiN
R = 50.00~
\
R/W Line~ ~' F---t2--~i ~
~ ~
.
Hinge Point~ti------_-_
Edge of Pavement~ R=5J
~__._.._irr= _r""--' _"_' ~~
s
vs~~~Jy4 ~~
F,
y~' __•i?~ _' . _"___.-_'___"______':.~
.R=Sr __--_-------
IVOTE~ Properiy [ine aS center line of driveway oniy when both owners use same drivswpy.
a~.
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i ~ESI6H PA7H OF LEF1' ~ ~~
p N l"" ~?ASSENGER FROkT WHEEL ~
~
I YEHICLE ~ I !
~
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PA'CH OF OVERHA4G ~
~
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~~-6.5~ PATN 4F Rl6HT ~ `
I REAR WHEEL ~
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OT'HER dFi[VEINAY DESIGNS -NAY B~
APPROVE~ SASED 4(~ THIS Si'AfVDARD
28~
I 3'~
O
N
_L._.____.____
Garage
x
0
~
O
lC)
------ R_5: - '-
12'-
~ ~RIw L[~~
H1HGE POINT
--~--~ ---
\~~.rEDGE OF PAVEMENT
NOTE:
These Standards npply only when garage and turning orea are near ro~d grade 8~ near R/W.
COUNTY 0~ BUTTE DEPARTMEIVT ~F PUBL[C 1IV4R~{S
DRIVEIMAYS FOR STANDARD N0. S--16
T~~'~-~ RURAL - H1LLS~DE M~UNTAtiV
RECREATIONAL AREAS sca~E : i ° = ~o' .
• ~~ . ::1:: ~._!: ,
f ... ~
--` ~~4
:" TYPE °8`~ A.C. W1TH SEAL COA7 ^ SEE N( 8£lOW
\
_ _ . . . O" v ~ .°a a ~e o ~ 0 4. ° o
~+12° l2~ ~12~~ 12"-+
B~MIN. CLaSS"A"
. 3}4 g" GLASS ~ A.B. M1M
P,C.G. OR 3" A.C. .
ON 12 CLASS 2 BACKF~LL AS SAClCFiLL A5
0..8. MtN. pE~ NOTE BELOW PER NOTE 8~LOW
,~" // \\ i a" t 2~~ // \\ I 2,~
TYP~ A
ASPHALT CONCRETE STREE.TS
# 8° MIN. CLASS "A" P.C.
6ACKFiLL AS
PER NOTE BELOYI
12" 1! 11 l2"
TYP~ C
PORT~.ANl7 ~CEA~~{~T COt~CRETE
STF~EETS
TYPE B
ARMOR COAT
QR SEAL COAT STREETS
TYPE D
UNI{'~9PROV~O STREETS, ALLEYS
OR ~AaEl~~NTS
NOTES=
,. All work shown abave shall canform to ihe applicoble sections of i~e standard specificatinns.
Atl excavatian within public right of way shatl be backfilled in accardance wi#h section
19-3 of the standard specifications.
Area adjacent to the trench shall be leff in a conditian equal to or better than ihaf
existing prior to construction.
Seai Coa# - 8ituminous binder shc~11 be covered widh either sand or scraenings to
match exis#ing surface.
# 5truci~,ral Sect9on eEements may 6e increasad where required by ihe D~portmeni pf Public
Works due to soi! canditions and traffic cor~sidera#ions. The replacement structuroi sectian
sho{i equa~ the existing struc#ural section as a minimum requir2ment, except thaS the
seCtion shown o6ove is en Absolute Mirsimum.
COUNTY OF BUTTE
TYPICAL DETAlLS 4F
TiT~~ PAVENfENT REPLACEMENT
AND BACK~ILL REQUIREMENTS
DEPARTNIENT OF PU~LiC WQRKS
STANDARD N0. S - I~
SCALE : 8~~ _ ~ ~ ~ ~~~
~ ~`~CLASS 2 A.B. MIN.
;
~
, -, _ ~~ ~
~ .~ ._......,_~ o _ ~ _.
~ ~ IDO`~ ~ :
~ EDC,F" Cr~ TR.•4 Yf"L ~~ f3J.~Y i
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{lNTERSECTION SYMMETFtiCAL)
Re.vised 14-2I--77
/~~. r~ ~ - :
~~~~ r
; C~UNTY OF BUTTE . . DEPARTMENT OF PUBL~C W4RKS =
; riT~~ PUBLiC STA~DARD N.O. S~ i$
~ RflAD CONNECTION ~ ~ scA~~ : n~o~E
i
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W ; _p ~ ~'` '~~ 7APER SEC714N •• ' • : t ~,•,
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N4TE= 5~-O~~Dia. h~.H.
far 39"To 4$" ~4pe.
4~-0~~ Dio. M.H. for
36~~ and Smal ler pipe.
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DEPAR~TMENT ~ 0~ PUBLIC 1~~O~K
STANDARD NQ.T ~ - 5-26
, SCQLE: NQNE ' _ ...
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` I. hydranis to be instalked
~ ~nin, of 3`~ bahind
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hose to face raad
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It~IPRDVED LOS ANGLES WHARF HYDRANT
TYPE HYpRA~JT
fVOT~ :
(I) Each hydrani must be ga4ed between hydrant a~d street main.
{2) Each hydrant sha11 be p[acad in such a manner that #6e 4--~~ au4let or wharf hydrani
outEet faces #he sSreet.
(3) For easy access to fire engines. hydrant shaEl he placed within 36~~ maximum from
curb or shouider af rooclway_
f~) In area of prolonged freezing temperatures, barrel rn~st be of dry. type or protected
fram freezing.
{5) Hase threads an outlets to be I~atior+al S#andard dimensions.
{6? Hydrants ouflet sha[l not he less than 18~~ or more thfln 25°pbave roadway ievel.
~.
C4UNTY OF BUTTE DEPART~lENT OF PUE3L~C WQRKS
STANDARD STAIVD~IRD ~~. S -- 2~
T~TLE
F1RE HYDRANTS sca~~ : n~on~E ~ ~
4° INL~T x 4 ~ ~
Nationflf Sta~dard Thread
With Cap.
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nmended
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I Bed (Recommended}.
36'~ 1Ni~.
Road or A!!
Weo#her Access
N07E :. If outlet is helow water
level - instal[ Clow-Richvale
# l25A E4~~ inlet x 4~l/2~~ -•.
National Standard 7hread.
,
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COUNTY OF BLITTE
$WIMMING P00l~ CD~ilVECTION
T~~~~' FOR FIR~ PROTECTION
DEPARTN9ENT ~ OF PUBLIC 1~d4RKS
~
~TAND~IRD N0. S~-29
SCALE: NQN~ ~
£IEV~fion Differe~ce
Not Ta ExCeed i0~
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NUP'F= ENT%~,'E' Pr~N~"W ShI~~L f3E P~f/NTE~ -~`
~~r~~E. gL~cx sr~r~ES o~ER ~c.~c~ ACROSS FUL~ RtGHT OF WAY
[.F.N~'7't~ ~F PANELS. . INIDTH I~IHERE R~pUiRED, i
~'!~~ REFLE'~iL112.S SPACcD 1f~ SJ~lU34'N. ?`~~f~E~ C~~ F;4~s~ELS FC~F~ ~ ''~ I
~"lj fi !L US
~ RCQD~'AY Y~~l.77'f~a
. ~' ~"OGT SFG7%Df,~S SY.,~LL. BE sED13FD C~fs
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COUNTY OF . BUTTE
~ GUARD PAI~EL 8c
~'T~~ ~ GUARD POST DETA~ILS
r
W/D7"H OF NCJ. AF 8~ TOT~1. ,CEIVGTYf
fIO~D~!fAY SECT/:'I/YS OF P.4NEC
~$' 7 ^T SS '^~
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2 r/2 "~ c~t~Q~~zFa p~~~
[a7 ~•O••G7`RS (mc~ximuml .2'~D/~d larrr~J
~ R',EFLECTOR
. -~ .
. a
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PQF'r~LAlqr'D CE,itE~Jr' ` , . .~
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.~ : ~ i
v, , , ~ .
~U~~IJ PDS'T~ ~E~'.~IL
-- - - ..~__..._. ._. ~ ~ : ,_._...__.~, .
DEPARTMENT O:F ~ PUBLIC 1NORKS ~
STAN DARD N 0.. .• ~-` S-~- 30 ~
SCAI.~: t~0t~E -
~RiV~T~ I~R~IIEWAY DE'f~l~~
EDGE OF EXISTIN~ PAVEMENT
. -~ ~....~.~ -L
~%
FLOW LI~1E DITCH +
~uoTES, -
I.PIPE TO BE C_S.P. OR EQUAL{12~~DIA.M1~1.)
2.PAVlf~G S~iAL~. CQNSIST OF 4" 0~
AGGREGATE SASE, MI~1., AND 2~~ OF
ASPHAL7 CONCRETE, MIN.
10~MlIV.~~
~
~
PROP~RTY LINE
BU'~TE COUNTY Pt1BLIC WQRKS DEPT..
PR~VATE DRIVEWAY
~DETAI~S
nw~.er R. JQN~S CKD. BY
SCA~~ I~~= 10~~ srAtJ:~ua. S-31
PIPE IF REQUIRED, SiZE
AND LENGTH TO BE
DETERMfNED IN THE FIELD
BY ROAD FOREMAN.
~`
R
~_____ -_~
AREA TO BE PAVED
l2~ MIN.
20 MAX
4" CL. 2 AGGR~GAT~ ~AS~'
(90°!~ REL.. GOMP.)
~ e o O•~ o 0 0 ~ a ° o Q o~~ °O °° ~a b
o~ o~ ~ap0 ~ oQ~ OOVd D~eod~6aapq
~,1_2 1 12~~
11 ~ BA~KF] LL MAT'L
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SAf~D
COVER
2" TYp~ .~3 AS P~1. GOMC. --
8" CL..~ ;GREGAT~BAS~
(9~% F't~L.COMP.)
~ n o 0 0 ~ a o 0 0 ~ Q p o 0
° p°op°b~ ° d~~ d cs a~ n po
0 0 0 °' ~ d
d o~p °d ~d t'' C7 Q ~¢ ~ O C~Q d~ ~ d
E2" ~-STRUCT. BACK~'1~.L-~ 12"
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BEYO~lD F'VI~T. AREA AT PV~RT. AREA
CUR~NG, PRO'TECT~~'G, ~ACKFIT~L AND SURFAC~NG SCH~EDULE :
1. Cover and p~rotect ~resh cancrete w~.th wa~erproo~ membrane or cur~.ng
campound. imined~a~ely after plac3.ng pige.
2. Place sand. cov~r a£ter pipe has been in place n~t less than 24 hours.
3. Place backfxll ma~eriai or structure backfill as sho~ar~ abo~re and cornpacC
to 90% by ponding and ,~etti.ng a~ter the pipe has been in place not~l.ess
than 48 hours.
~. Com~ac~ the subgrade a~aCerial ~o not iess than 95% relative compaction
for a depth of not Iess than 12" and place aggregate base and aspha~~
cor~cret~, as shvwx~., afker rhe pkpe has been in piace not less than
seven days.
CAST-IPT-I'T.,.AC~ CONCRETE P~~E IN
ROAD OR STREET R~GHT 0~' G7AY
cou~~Y o~ ~u-rTE ~~P~R~~~NT ~~ P~~~.~~ ~o~~Cs
~~~..~:
C~ST-I~-PLA~E C0~ICRETE
Pi~~ !i~ RO~D OR ~Y~E~T
RlGHT 0~ 1fVAY
STANDAR D.... ..; . , S-- 32
SCA~E= NONE ..
DWR. BY : R. 3~NES
2' 0° f~iN
- - - - - S~'QRP~
~ DRAIN_ _
~ ~ 2' 0" MIN
'(~$
1
~
~
i
; 6" CLASS 'B' PCC
~ ~,PRQ~!
~
~
i __.~_ ------- -_ _ ~. _ _ ~__~_
s
~~~~
72" CL~SS `~Q" p.C.C. FAD
!~J/6xuxo !~lELDED !~lIRE FI~BR~C
i2"
.a.
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~.".:..4 ~LRP ~AT~
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23 ~> >- 6. 6
2. e~ ~ ~
STORf'~ QR ~ I N '. `;. •. ,~ ' ,' ~`~
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.:aQ='A~ ` 4 a. A. , ~
~~• =d' :n_ "a.:3~~ f ~~
~
~-- ~ - - - - --f
~XIST~~lG CHANPIEL ~„
SURFACE
SEC~ION A-A
b ~ 0~~ r~~~ ~~
••:4':'o':4•a'-a :a:ci: '•°~,4. T2
~: u
'"~ ~''""'.~u ~
L 1
SECTIOlV B-B
~iOTE: GROUTED C0B8~~ ~P~inY B£,-P~R~7I~T~D WITH ~PPROUA~ OF TH~- QIR~C~'OR 0~' .
PUB~IC ~lQRKS.
CQUNTY OF BUTTE DEPARTN#ENT OF PUBLIC,W4RKS
OUTLET DETAILS STA~lDARD N0. S-33
T~TLE= pRAIidAGE D~TCH
SCALE= I~OI~E
,
APPENDiX IU
DRAI~AGE CHARTS
p-1 Rai~fali Intensi~y ~abl~, Oroville Rrea
D~2 Rainfall I~tensity Tab~e, Paradise Area
D-3 Rainfal7 In~ensity Table, Ch~co Area
~-~ Minimum Cu~vert 5izes for Given "Q"
D-5 Vaiues ~or Es~~ma~ing Coeffiec~ent af Runo~~ "C"
DT6 Headwater Depth C7rcu3ar P~~e
D-7 Meadwa~er ~epth Pipe - Arch
D-S ~aximum Velocit~es for Channel L~ning
D-9 S~ane 5ize for Rip-Rap
D-~0 C~~vert Cover
D-11 Drai~age Calcu~ation Form
RAINFALL INTENSZ~Y IN/HR
OROVI~~E
Tc I10 T~QO Tc I~0 I~QO Tc 11Q I10p
~p min. 2.22 3.12 28 1.42 1.99 ~6 1.08 1.53
11 2.16 3.Q4 29 1.38 1.94 47 1.07 1_51
~2 2.~0 2.96 30 2.34 I.$8 48 ~.QS 1.48
13 2.04 2.88 31 ~.32 1.86 49 1.04 ~.~6
14 ~.98 2.80 32 Z.31 1.8~ 50 1.Q2 ~.44
15 ~.92 2.72 33 1.29 ~1.81 5~ 1.00 1.42
15 1.88 2.66 34 1.28 1.79 52 0.99 1.40
I7 ~.84 2,61 35 1.26 1.77 53 0,97 1.37
18 1.80 2.55 3b ~.24 ~.75 5~ 0.96 1.35
19 1.77 2.54 37 ~.23 1.73 55 0.94 1.33
20 1.73 2.44 38 1.21 1.70 55 0.92 1.31
21 1.69 2.38 39 1.20 1.6$ 57 0.91 1.29
22 ~.65 2.33 40 1.18 1.65 58 0.84 ~.26
23 Z.61 2.27 41 1.16 1.64 59 0.88 ~.24
24 ~.57 2.22 42 Z.~5 1.62 1 h~ 0.86 I.22
25 1.53 2.~& 43 ~.13 1.59 2 0.59 0.83
26 1.49 2.10 4~ 1.12 1.57 3 0.47 0.57
27 I.46 2.05 45 1.1Q 1.55 12 0.22 0.3~
• 2~ 0.17 0.24
STAND~RD D-Z
~2AYNFA~L INTENSITY IN/HR
PARADISE
t
~IME T5 T10 2100
10 2.08 2.3~ 2.85
~~ 2.Q~ 2.23 2.77
12 1.94 2.~5 2.69
13 I.87 2.Q7 2.6I
14 1.80 1.99 2,54
15 1.73 1.92 2.47
16 ~.58 1.$7 2.41
I7 1,63 1.82 2.35
1$ 1.59 1.77 2.30
~9 I.55 1.72 2.25
20 1.5Z 1.68 2,20
2~ 1,49 ~.65 2.16
22 1.47 l.&2 2.12
23 1.44 1.6p 2.08
24 1.42 I.58 2.04
25 Z.40 1.56 2,OQ
2& 1.3$ 1.54 1_9b
27 I.36 1.52 1.93
TIME I5 I10 I100
28 Z.34 1.5Q 1.90
29 1.32 1.48 ~.87
3Q 1.30 ~.46 1.84
3~ ~.28 1.44 1.81
32 ~.26 1.42 1.78
33 1.24 ~,4Q 1.76
34 ~.22 1.38 1.7~
35 1.20 1.36 ~.72
3b 1.18 1.34 I.70
37 Z.I6 1.32 1.68
38 I.14 1.30 ~.66
39 1.12 1.28 Z.64
40 ~.~0 I.26 1.62
41 I.09 1.24 1.60
42 1.08 1.22 1.5$
43 1.07 1.27 1.57
44 ~.06 I.20 1.56
~5 1.05 1.19 1.55
TIME I5 Ii0 I100
46 1.04 1.~8 1.54
47 I.03 ~.~7 1.53
48 1.02 1.16 1.52
49 1,Q2 1.15 ~.51
50 ~.02 Z.~S I,5Q
51 I.O1 ~.13 1.48
52 1.Q0 1.12 1.46
53 0.99 1.11 ~.~5
54 0.98 1.10 1.44
55 ~.97 1.09 1.43
56 Q.96 1.08 1.42
57 0.95 1.07 1.4Z
58 0.94 ~.06 1.40
59 0.94 z.05 ~.39
6Q 0.94 1.OS 1.38
2 HR 0.70 0.79 ~.1Q
3 HR 0.58 0.67 0.92
4 HR ~.52 0.59 0.83
COC7N'TY OF Bi7TTE STI]. D-2
RAINF~~L INTENS~TY ~N/HR
CHICO
Tc I~0 I~O~ ~c lI0 I100 Tc 1I0 1Z00
~0 mzn. ~.80 2.52 28 1.04 ~.46 46 0.82 1.i6
Zl 1.73 2.42 29 ~.pl ~.42 47 0.81 1.15
~2 ~.66 2.31 30 0.98 1.38 48 0.80 ~.13
13 ~.58 2.21 3Z 0.97 ~.37 49 0.79 1.I2
~4 ~.51 2.10 32 0.96 1.35 50 0.78 l.Zl
15 1.4~ 2.OQ 33 0.95 1.34 51 0.77 ~.09
15 1.41 ~.96 34 0.94 1.33 52 p.76 1.08
17 ~.38 1_92~ 35 0.93 1.3~ ~3 0.75 1.07
~S 1.35 1.8$ 36 0.92 1.30 54 0.74 1.45
19 1.32 1.83 37 0.91 ~.28 55 ~.73 1.04
20 1.29 ~.79 38 0.90 ~.27 56 0.72 1.02
21 i.26 1.75 39 0.89 1.26 57 0.71 1.01
22 1.23 1.71 40 0.88 1.24 5$ 0.70 1.00
23 1.19 1.67 41 0.87 1.23 59 ~.69 Q.9$
24 1.16 1.b3 42 0.86 1.22 ~~r 0.68 0.97
25 1.13 1.59 43 0.85 I.20 2 0.49 4.69
26 ~.10 ~.55 44 0.84 ~.~9 3 0.41 0.58
27 ~.07 ~.Sa 45 0.83 1.18 12 0.21 0.30
24 O.Zl ~.21
STANDARD D-3
~rI
I~E
SkZE
1~;.
~EA
SQ. ~T. CULVERTS
[v11~1 [~;Ufv1 Pi P~ S[2~5 F~R G tVEN `~a~~
~ipe ~iawir~g ful f - No FEea~
PIPE-ARCH MENiMUi~tCft~TiCAL.) SLOF'ES
EQUIV, `~Q'~ N=.02I N=.Q i5
1C~. C.F.S. PERCE[~T PERCEf~T
12 0.785 2.6 l.~ 0.8
15 1.2 f6x11 4.6 ~.8 ~.9
18 l.76~ 21"x E5" ?. 1 I,6 0.$
~[ ~.4 ~4`~xi8" II. 1.8 0.9
~~ 3. 142 28" x24~~ I 5. I.4 ~. 7
~0 4.909 35~~x24" 26. l.~ 0,8
36 7.069 42"x 29" 4Q. 1.2 p.S
42 9.G2 49'~x 33~~ 59. !. 2 d.6
48 12.57 ~7"x38~~ 8~. I.~ 0.7
5~ 15.94 F4'~x4~3'~ ~E10. i.Q 0,~
60 19.63 71~~x~F7" . f~0. f.2 Q.6
~ 6~ 23.76 76"x~2~~ 190. !.2 0.$
. 72 28.27 83~~x5`'`~ 23Q= I.0 0.5
78 33. I 8 7~~- 8~~x 5`- 5" Z8J. I. 0 0. 5
84 3$,48 S~-2"x 5`- 9`~ 330. 1.0 Q.5
90 55.75 10~-8'~x 6`--~ I i" 400. I.0 0. 5
3~ 60.27 i0~~i!"x7'-a~~ 470. 1.0 4.5
I~8 fi3.62 lE~-~"x7~ 3~~ 630. l.b Q.5
!~0 78.54 !2~-~'.x7~- Ei" $~~. 0.8 0.4~
R~~~R~[VC~S ARMC4 NAI~QBODK . - ~ . . .. .
Table 26-2-Page 23~
Tab1e 33-2-Po e 27'8 ~
G~UNTY OF BUTTE DEPART.MENT OF PUBLIC WORKS
Ml~1tA~UM CULV~RT stzES STANDARD .NO. D-$
71TLE FOR GIV~N ~~Q" ~
-!`A~~E F'OR E~TIfVIA7lhG "C'~ l~h k~:~~i~0~~-.~ ~~R~t'v1UL•,4
Ufvl:MPR0II.ED AF2~A5
C:ONDf~'EO~V ~~Tr~~~ HIGFi MO~E~tAT~E
--~----------~ - - -
Slape .~6 --_2B .28 -.f5 .CS~ - .l0 .
ab~v~ ~.~°/a 30°Ip- I Oblo 1:4% - 5~d/o
Surface .2~ ~ , ~ 5 . E5 - .C~?
perme~ Bare rack i~;peevio~s
ahiiity or very ciays shal-
. ~~Fl~i SOE ~ 1Q.W SQ3 ~8
1/@c~@'~Q- .~~ -.~~J .~~J ~.~~
t. i~rs ~lari~ ~ r ~ Le ss t:~rs~
' Very spars~ 20%~cov~red
with sub-
stan~t i d I
• g r~awt ~r
SuF~ace .20 - .I 5 . ! ~ - .07
-~-~. 5r~oofh saif,. Roughe.n~'
S]ick rack, soil or
~ drainnge rocks
flow ~on~-
t t~u~us
.~~ -~.0~}
~v'E¢ ~t~'i V k~US
loo~n, so~dy
~ QQ~TI
.o~~.~~
Abo~ct 5~%
cave r~ed` w i th
h~av y g r-awt h
LOW
fQ - .05
~
5 0 --•0 ~
.03
~3~~p 54r~~ ~
YO ~ CpC~ I G. fi~~7:
.o~
9b°la ~ecered
wi#.h hep~y
grawth , dee~
hurnas 1 oy~ r
.07 - ,~i~'+ .~3
Dra irr;age f IQ~t Qrv ir~ag~ f 1Qw
[~te~'~u}~t~d~ ar~~ested, large
many ~a~ds, lak~s, pands,
Lakes, mnrs~tes mars~tes
~ ~~~
Surface ~ EMPROV~D AREAS
~
Raof~ Surfaces ~g~
A.C. or P.C.C.' Favement, pa#ios, driveways,
s#reet5; sidew~alks _ .90
L.andscapeiI areas ~ .2~
Gra~~1 wallcs, roadways .30
EXAMPLE~ Unimproved EXAMPL~= lmproved
20 % Slape .22 . ]OD acre tract
Weil drained sai! .05 ` '
Fair cover .07 15 acres roofi @.95
Na ponds -08 50 acres A.C. Pave @.90
35 acres Landscaped @ .25
C = . 42
C-(15 x.95)+ (.50 x~.90)+(35 x.25} = 0.6$ C= O.fiB
14q acres
C~UiVTY OF BUTTE ~EPARTNIEl~lT 4F PUBLI~ 1~110RKS
VALUES FOR ESTIMATING F~ ~~ S~ANOARD NO. Dy'~'J
~~T~-E CO~FFIC6EMT OF RUNOF~ C
~ea ,a,°DO ExAM P L E
~ca e.~oo O: 3G !N. C3 a~'r.)
r~}
iSG b,a o o Q:(o (a G. f.~..S. L
S',QPo
r44 ~ =M~~Frcr s C2)b.
4,6ao
f3z /. /.8 5.4
~ s o00 5_ d
~ 2. 2..~ la,3 4.
rzo _z o00 3. 2.z G.G 'r
~~ ' d
ro8 ~ D in F~~F ~ ~
94 `r /,1300 3.
~ S~a 3
~ ~
sa ~+ Hoo z.
~H ~ ~ soa .
~ ~ ~ Qb0 ~ ..........~..~_.._r
~ ~2 ~ Z
~ ,~ .3a 0 '~ ~
~ s ~ (.5
1 es ~
"1 ~
~Q~
0 ~p . ~ ~~A~P ~~,. ~' J 5 1.5
a~i Sd ~ '~ .
s V
a h /OD '~
~] 48 C~ So.•'' ¢
~ ~•'~. ~ .
~a ` r.a • ,.o
- W a z so ,y w E.~srr.~a nrc ~
~ ~ ' qa g $cRL~' TYP~ ~. !.O
~ J p ~! ) ~FA ~G 4V Al l ~ 'Q Q
V
~ '3L
~ ~ ~2~ JYrlTER~'O ~o ~ .Y
33 ZO CPnrFpIr1M TG .SL Op~' ~ .8
~ .8
~ {3) PRO,lE c r~rvG ~
~ 3° ~ o ,g
~ ~
7~a us~ scac.~ <Z) aiP C3) ~
s7 ,o IpRpJE~T ra sG,~r.~ ~~~ rwEN ~
!!SE SrRprGHT INZ'll~~1] L///L` ~~ •~
$ 7'tIRDRGH D ~9rvp G,~ .~CRLES tl'~+
z4 R.~v~'R.s~ As /~cusrr~.ar~o •7
~
s
ar g .b .b
~ .~
~8
z
. 4 ~ • .s
,S . .s
10 '.s
. ~z ~
cou~TY OF BUTTE DEPARTMENT OF PUBLiC WQRKS
HEADWATER DEPTH ~ STANDARD ND. D-6
~~r~.~ CIRCULAR PiPE
~
~+
~ ~
qe
~~
~
~~
Wq
~~
ti
V ~
-~1~.'I
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5,aa0 ~r)
1G'-7 ";~ i0-I" ¢ODO • d
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~s=a ~ 9 ~a'` ~,Qao f'XR11~lPL.E 4 (s )
5
s . ~rLE' 35~} 21f ~ 3 r~
( o ~
8 ~o SeoP.e
~ ' ~ 5' r 2~"
~ 6 r33 P~7od~'~rfN~
, 5
Q 7'd U~~ S.ra~E Cz) OR(.3} ~uvdecr •s .5
HOR12oHr,QLLY 7'asc,ace~.l3 r+,EN .s
~a~%Z~M uSE S'tRAlGKT INZ't~N~.D.L~1~/L~'
. 3 ~'~raosrcH D~ t~F S~.c~,es Os
R~ v~AS ~ Rs JL i u.s rrra r.£n
~?' z IS' 7 _
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.4
,$ ~
7
a Cr) H~'.aow.a~c -~ ,~ '
~ ia
~ z) M~r~ac To ra.vr .an~ .6
~ ra-~o.xe~¢~ 2.oao Q-2d cfs
~
S
W ~,y ~ ,i{ w
3
~ Li
~ ~ D ({esY7
.
~
~f_s..~ 7.~3..
~l}
I.IA 2.2
i v~ 1 DOO
`• ~, lz} l.~s z~ ~
~~ ~QQ
~~ q•_b,.Y 6•_S" ~3~ 1.22 2.~ Z
~ 6G0
~ ~
,4 ~Q r D J,v /~ee ~ ,,,,
; s~.
B'-2" Y s'-9"
400 ~
i ~S
~
` ~e . ~~ ~ 1~3
w 7~0"x 5'..I.. ~..
-
,a 200 h .
a ~ 4
-
l..r., x ~ :7~
~ 4 .•-••-
~ --_..._.
~
U •'~
~ y ~o r.o
~,u 71"x d7" I~ ~
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~ 80 ~V~fi. • '
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6 4
x 43
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COUNTY OF BUTTE DEPARTMENT QF PUBLIC WORKS
TiTi.~ HEA~WATER DEPTH STANDARD N0~ D-7
P~PE ~--ARCH
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l/~LOC1rt~ /~ FFET ~~,Q S~con~.ca
/t/~ATE,R'1AL QF ~HRNN~~. BED SH.FJtLOiN D/TGfI O~~P D~rtH
~~GO~-iAas~~ Gaa~v~r~' l.O~ -/.50 /.5Q- 250
~'L,~y~S~ L~an~ OF7 s.a.avv Cc~V l.5D ° Z.Oo Z.2S -3.~0
Coccoia.vc CcAS~ o.e No.v-C~c~o.d.4L
~iAAYEL~Y ~dAM ~GY1 -3.04 3.00~ 5-00
SoooE1~ Gurr~us 3-GY~' ~•~~
CoBesr.~v Gurr~RS, Nar Grr4ur~d~ O,rr
Brr,~~„~iwlosis ~Ryrn/G 5.00 ~ 7.50
5'ranr~ M,asafrsaw CG.~ourso R~v-~'.sol 7.50 - t5.44
SoG,~a Ro~-r - Co+vcR~r~ - Gu,vrr~ /S.OL7 -- 25. 0~
lV~T~: . -
(I).This Chart Con~ains The Maximum Velacities A//owa6le For .
Varidus Types Of Lining Maferial.
(2J In no case shall unlined channels 6e a11ox~Ed where the s/ope exceeds
7% or ~v~here velocities are excessrve.
(3) Any channel requiring . linrng in i~s upp~r reaches shall 6e
linned ta its lunchon w~th another paved channel, a pip~ ar
natura/ channe/.
~~ -' COUNTY 4F BUTTE
r
~ r~axi~~n~ vE~oc~-riES FoR
t Tli'LE CHANNEL LINiNG
,
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DEPARTMENT OF PUBL~C W4RKS
STANDARD N0. D-8
Sra~v~ ~Er~Kr, IN POuNf~S
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NOTE: This Report '
I. ts For Stone Weighing 165 L~bs. Per Cu. F1.
2.Sfi+ows The Size Of S#one That Wilt Resist
Displacement Far Various Velocities 9.Side
Slopes.'
3.is Adapted From The nepnrt Of The SubCOrrtin,itte On '
~Slope Prolection,. AM. Soc. Civil Engineers Proc.
Jurse 1948
COUNTY OF BUTTE DEPART~ENT 4F PUBLlC WQRKS
T1TLE ST0~3E SIZE FOR R1P-RA~ ST~NDA~D NU. D~9
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C~~.45l14En SURFYIC~ Tp B~T7OM D~' TSi'ENCN IJN F~'~T 3
G~,~§ CONCRFT~ P/f'E CQI~~[lGAT~D I~~rAL Coar~~r~~r~A~ur
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2. ~irR1Fi.Et7 Gc.,as~ PiPE S~q~L B~ ExraA Srq~-ni~ rH ~`Can~.~oc7nT To A.S.T.h~ C-~7B Cc.ass ~
3. A4c. O.~F~n~CS' SyOrvn~ Foq F~~riB~~' P.4v~~'.lE~vT QnicS~ -
~~~.~/V/a1~I UM C¢ VEQ QN ~G. p~ E S SJ^fAL L G~NFOR'M To T~y,q r QF CONCR~T~ p/.JP~'
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CaUNTY OF BUTTE DEPARTMENT 4F PUBLIC WORKS
~ STANDARD N0. ~ D-~1U
r~T~-~ CU.LVERT C~VER
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A~PENDT~ ~'
Subda.vision Agreement & Bond.s
APPENDIX V
SUBDIVISION AGRE~MENT
'~'HIS AG~EMENT, made and entered i.nto this day of
19 , by and between
, hereinafter called
"Subdivider", and the County ofr Butte, a paliti.cal subdivision of ~he State of
California, h.ereinafter called "County".
W T T N E S S E T H:
The parties hereto agree that the Subdivider~sha~.l compLete the road and
street improvements, tract drainage and all other improvements required i~c the
approved constructi.on p].ans for the
suhdivision
as per rhe map being filed a~ this ~ime in the of~ice of the Gnun~ty Recorder af
t~.e County; a.nd 5ubd~vxder furtt~ex ag~ees tha~ the const~.ction of sai.d improve-
ments shall be completed ta ~he satisfac~~on of the Director of PU.bli.c Works
within one year ~rom the da~e hereof, and. shall be constructed in accordance
with the approved pLans o~-~. fi~e Grith the Butte County Department of k~.bl~.c Works
and the speci.~ications for su.bdivision roads adopted by the County and the
appiicab~.e sections of the current edition o~ the State of CaZifornia Di.vision
of Highways Standard Specifa.cations.
Th,e Subdivider sha~.l cause the wo~rk ~o be compleeed wxthout undue delay
excep~ for inclement ~aea~her or other reasonable cause. Any de~ay in the
completion of ~he work beyond the periad stated, unLess an extension t~e~eof
is approved by the Board of Supervisors, shall resuit in foxfeiture of the cash
deposit and/or s~:curity, or a port~on thereof, for t~.e completion of the worlc.
The 5ubc3.iv~der further agxees to ~nai~tain these s~bdivision zoads ~o~ a
period of one (1) year from the date of acceptance of the work by the County
Boa~d of Supervisors.
'I`he Subdivider further agrees that he wil.l pay al~. t~ie costs of improve-
men~s when due, incl.udz.r~g aZI Iabor and ~aterials and t~.e tos~. a.£ re~ocating
-I-
exxsting ueilities wh.en such relocation is necessa7ry to permi~ the construction
of ~~pxovements req~sred for ~he suhdiviszon. ~
'11~e Su~divider fGU~~her agrees to pay for the se~ting and estab~ishment of
aZ1 survey manuments and po~nts as shown on the fi~ed subd~vision map.
The Subdivider further agrees that at the ~ime of executzan of this
agreement, he will deposit with the County in the ~orm of a cash depaszt o~
acceptable su~e~y bond or bonds ta guarantee the performance of work, payment
for labor and mate~ials, maintenance of the ~acilit~es ~or a one-year pe~ od, and
payment ~or surveying in the amaunts Z~sted below:
1. Perfoz~ance in a.s~ount of 50% of cantrac~ price
2, Labor and matex~al in amount of 50% of
contract pxice
3. Maintenance bond in amoun~ of 25% of contract
price
~+. Surveyin~ bond in amoun~ equa~ to estimate of
work
~
e
$
t
'I'f~e Coun.ty in consideration of the terms abave referred ~o, agree to pe~rrni~
the Subd~vide~ to file and record sa~d subdivis~on map and recognizes the sub-
d~vision described therein as a subdivision compZying ~c+ri~h th.e ordinances and
requirements of ~he Gounty o£ Butte an.d ~~Ce appl.icab~.e laws o~ the State pf
Ca lifoxnia ,
~N WI'~NESS W~iER~OF, tY~e par~~es here~o have set the~r hands ~he day and
year f~~st above w~~.tten.
Approved:
Depaxtm~nt of Publi.c Warks
ATTES'~: . Clarlk A. Nelson
Gbunty C1erk and
ex-dfficio Clerk of
the Baaxd of 5uge~v'isors
ca~~~' o~ Bu~r~r~
Chairman nf the Board of S~pervi.so~s
QeveT~per
Address
Develaper
Address
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rrAZrr~~N~c~ $az~n
(TyP~.~ai wo~ai~~)
t
~:'~,c.~,'.~'.~x.'i'.~C%":-:C~:~::~:~`[~':'.Y._"'.~''.._"',.-~'.'.': ~~.''r^::*A'
KNOW ALL MEN BY THESE PRESENTS: That (Owz-er or Contractor and Address) as
Principal and the (Insurance Company) as a(Name of State) carpa~ation authorxzed
ko execute bonds i.n the 5tate of Califorztia, and du3.y authorized ~o ~ransact a
g~ncral suxety busi~.ess in ~he State o~ Cal.ifornia, as Surety, are held an.~.
fix~m~.y bound unto Caunty of Butte, State of California, ~n the sum of (25% of
Cont~ac~ Price} lawful money o~ the Uni.ted Sta~es, far ~he payment o~ which,
tnre~.I and tru~.y ~o be made, we bind ourselves, ov.r heirs, e~ecutors, admina.strators,
succPSSOrs and assigr~s, ,~oi.ntiy and severaZl.y, ~irsnly by these presen~s.
TH~ CONDI'I'IflN QF TH~ A~aVE OBL~GA'~ION IS SUCH THAT: WHEREAS ('I`#ie Principal)
h~.s
and W~iERTAS, the said (Princ~.pal) is requ~.re~. to give a bond in ~he amnun~ o~
(25% Contract Price) ~o protect the said COUNTY 0~' BUT~~ against ~he result of
fau].~y materia~.s or workinanship for a pe~xod a~ ON~ YEAR ~~nm and after the
date of comple~ion and acceptance o~ said work;
rraw, ~IER~OR~, if the sai~. (Princ~pa3.} sh.all, ~or a peri.od of ONE YEAR from and
after the date a~ campletion and acceptance of sa:~d. work, repl,ace any and a~.l
defec~s ar~sing in sai.d 'wo~'k wheth er resulting from defective ma~erials ax~
defect~ve workmanshzp, then the above ab~.igatxon to be vazd; otherwise, ~o re-
snain in ~u1~ force and effect.
S~gned an.~ sealed. t~iis
day af
19 .
C
A~~~~~~x vz
Construction Standards ~or Community Water
Supply Wel.].s
r
1
CONSTRUCTION S~ANDARDS
FOR COMMiJNITY WATER SUPPLY WELLS
I. Location
A, We11s sha11 be located an adeqtiate distance fxom an~ source o~ contamin-
atian or pollut~on. If possib~e wells sha1l be up the ground watex
gradient (upstream) ~rom sources of pol~ution or conta~ination.
B. w~iis sha11 be lvcated not e~oser than:
1. SO ~eet ~o any sewer line.
2. 50 feet to a septic tank.
3. 10~ ~ee~ ta a sewage ~each field.
4. I50 feet to a sewage seepage pit.
Where adverse conditions exist, th~se distances may be increased and
spec~a~ protect~ve well constructkan requ~red.
NOTE: See Sec~ian II~ for requi~emen~s where we1Zs are ~ess than
50 ~eet deep.
C, W~.ere possible, wells sha~L be Iocated on h~gh ground so that the ~op
o~ t~e casing wi~l be above kno~an flooding levels.
TI. Sani~axy Construction Requirements
A. Mini.zuum depth, -W 5a £eet.
NDT~: ~ee Sec~ipn IZI for e~ceptions,
B. Casing and Sealing
1. 'The annul,a~ space bet~reen ~he wel~. casing and the drilled hole
' wa11. sha~.1. be e~fect~velp sealed to a depth o~ 50 feet, If an
i.mpervious formation is encountered b~.twe~n 50 feet and 55 feet,
the seal sha~l be extend~d into such stratu~n.
2. ~n ur~consolidated or cavi~,tgy mate~ial. whera the cable too~ me~hod is
used, a conduc~or casing shall be installed ~o the required sea3,ing
..~_
deptb .nd ~he annu~ar xxng between thf ~onductax casing and
inner casing shall be sealed. Where th~ rotary method of dr~lling
is ~sed, the conductpr casXng may be le~t in place or withdrawn
as ~he sealxng matarial is placed.
3. Gravel Packed Wells. In we11s constructed without a canduc~or
casing, ~he gravel pack sha~~ termina~e at the base of the seal.
Gravel ~iil pipes ~ay be installed in the seal, In we~ls con-
st~ucted with a conductor casing, allowing the graveZ to e~~e~d
to the top of the we~~, the annular space between the conductor
casing and the wall o~ the drilLed hole sha11 be sea~ed to the
requi~ed depth.
4. The minimum thi~kness of stee~ conduc~ar casing sha11 be 1/~ inch
~or single casing or No. 10 U.S. S~andard Gauge for doub~e casing.
S. '~he mxnimum thickness of the required seal shall be two inches and
not Zess than three times the size o~ that largest coarse aggregate
used in ~he sealing ~aterial.
6, Sealing material and placement sealing material shall consist af the
neat cement, cement grout, puddled clay, or concret~. Camposition
of sea~ing materia~ sha~~ can~ox~m ~o Depa~tmen~ of Water Reso~rces
$ulletin ~~74, Wa~er WeII Standards, S~ate o~ Cali~ornia. 'Th~ sealing
materiai shall be applied in one continuous ope~ation fzom the
bottom of the interval to be seaied to the tap.
7. We~l cas~ng s~all be of a diamete~ suf~icien~ to provide for pro-
duc~ion af required flows. ~n addition, well casing shall be of
a gauge and ma.~e~xa~ adequate fio protect water qua~ity and ~o with-
stand all forces ~o which it is subjected during and a~~er in-
stallatian, '
8. Well casings and casing ~o~~ts sha~1 be wa~ertigh~ to a depCh of
50 feet.
-2-
C. We~1 Head
1. An, adequate concxe~e pedesta~ of base shail be const~ucted aro~nd
the top of the wel1; the top of the pedestal shal~ be a~ least si~
inches abave the surrounding ground and slope away frnm the well.
2. Openings into the top pf ~he weLl casing sha~~ be sealed with a
water tight seaL.
3. Openings fo~ access into the well casing shall b~ pro~ected with
water tight caps or plugs. Air reliet openings shall he fitted
with a scre~ned down turned "iT" bend,
4. Pumps sha1.1 discharge abo~cre grdund c,rh.ere passible. Whe~e subs~rface
di.scharge is pe~rmitted. by the Health Departmen,~, there sha~.~, be a
wa~er-t~ght saal between the pump discharge piping and we1l. cas~ng.
D. Other
l. Gravel ~or gz~avel pack we1~s shal~ come ~rom a clean sou~ce and
be tharough].y washed and chlorinated prior to placement ~z~ tk~e
well.
2. Wel~s shall be properly disinfected before placzng in service.
3. A sample tap shal l be i.ns talled on the purup discharge .
~. We17.s azzd pumps sha1Z be p~aced in a locked enclosu~e ~Q preven~
~ampering by unauthorized persons.
~II. 5ha11ow Wells (Zess ~h.an 50 feet in depth)
A. Such wells are unacceptable unl.ess there is n.o ~easible a~ternative fto~
obtazning raater and unless specifzc appraval is granted by t~.e Health
Depar~ment. Such we~.ls shall not be pex~irted where sewage disposal is
dependenfi on seepage pi.ts.
B. Location
The Iocatian sha11 com.p~,y w~.th ~ection I, A~ and ~, C above and in
addition s~a1]. be not less than 25Q:feet from any sewage facility.
_~..
C. Sanitary C. •truc~ion Requirements
1. DriJ.~ed We1J.s
Constructi.on requirements sha11 be the same as ~.n Section I7 above
except that the conductor casing and annulax sea~s need be in.s~.alled
onlq ~o the depth of the aq~si~er used.
2. Dug We11s
a. Casix~g shali be instal~ed to the depth of the aqui~er used.
b. Casing sha11 be constructed as fol.lo~rs:
(1) Six-inch thick re~.nforced concrete poured a.n one continuo+~s
opexat~dn.
(2) Steel or precast concrete rings set in ~he ho~e with a
mi.nir~ium ~aur~inch rhick concr~t~ poured between, t1n~ rings
and side o~ the hole. Concx~ete s~a1~. be poured ~n one
continuous operat~on.
c. The casi.ng shall extend no~ Iess than 12 i.nches above sur-
raund~ng grade.
d. A concrete sZa3~ of nat Iess ~han six inches thick, six inches
abave surrounding grade and six inches below the top o~ the
casing shaJ.l, be ins~alied at the sur£ace a~oun.d the cas~ng,
ex~ending ou~ward at least two feet fxam the casing.
e. A water tight covex shal~. be placed over the wel.~. and a11 open-
ings i.n.to th.e we11 including the pump mount~ng shall be wa~er
tiigh~.
D. AlI provisians af Sectio~ II, D shall apply to shallow we1ls.
E. Provisions ~or ~he ~rea~ment and ch~ori.na~a.an of water fram shal~ow wells
may be requi~ed by the Heaith Depar~men~.
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Where the -~ter syste~ is to be served by ae11 and press~ze tank
and the system w~11 serve over ten 1ots, at least rwo wells sha~X
be provided and one af these weX1s sha11 be eq~ipped with auxil3ary
paraer ,
'TE~e water sys~em and water quality sha11 coinply wi.th a11 requiremen~s
of Sections 4010-4035 of the Health and Sa~ety Code, and Title 17,
Chaprer 5, Group 1 and 1.1 of the .Californz.a Adminxs~rati.ve Code,
-6-
APPENDTX VII
MINIMUM USEABLE LaT AREAS FOR SUBBIVISIO?~5 AND LAND DIVIS~QNS
WH~RE iNDIVZDUAL SEWAGE DISPOSAL SXSTE~i'IS ARE T~ ~E USED;
M~NT~M[IM SEPARATION DIS~`ANC~S ~
APPENDIX VII
MYNTMUM US~ABLE LOT AREAS F0~ SUBDIVISIONS AND LAND DIVIS~ONS
WHERE IND~VTDUAL SELdAGE DISPOSA~ SYSTEMS AR~ TO BE USED;
MINIMUM SEP,A,RAT7QN DISTANCES '
A. The requirements belo~w far sewage dispasa~ are applicahle to singl~-
family residential subda.visions and ~and di.visions.
For o~hex subdivisions and Iand. div~sions whe~e there is a~ Ieast 7'
of soil, the requxred minimum area for sewage disposal shall be
su~ficie~.t to a11ow for the insta~lation o~ a sept~c tank system
designed in accordance with. the current edi~~on of the USPH Manual of
Septic Tank Practice pzov~.sians relating to leaching fie~,ds. 'I`~is
min~mum area sh.all a~so include area for ~.00% xep~.acement of said
system.
For other srsbdivisions and land div~si.ons where there is Iess than
7' a~ spiJ., the required minizm~m areas shall be computed progortianal.iy
bas~d Lrtpon sewage tlows expec~ed from the Iand divi.sivn or subd.ivisian
in question, and the sewage f~.ows expected from a sing~.e-~amily residence.
B. Useable lot area sha~.~. mean that area o£ the Iat useab7.e fnr instalia~ion
of an individual sewage dzspasa~ system. Useable lot area shall nat
inc~ude areas conta~ned in the fal~.owi.ng:
1. Building set~acks required by Caun~.y Ordinance or the $utte
County Code unl.ess approved b~r the Health Departmen.t and
Departiaent of Publi.c Works.
2. Easements dedicated or ~reserved for~surface or underg~~und
in~provements unless dedicated or reserved for seraage c~isposal
purpos~s on the approved and recorded cnap.
_~_
3. E` , nents far access ar roadway pu-.. ses.
4. Areas occupied by structures and within five ~eet of exist~ng
structures or to be occupied by structures. For purposes of
single-~amily xesiden~iai lots an which there are no existing
structures, this area shall b~ ~eemed to be 2,500 square feet,
5. Areas within five feet o~ the prope~ty ~ine.
b. Areas wh~ch do not camply with the miniraum separat~on dis~ances
shot,m in ~able II below.
7. Paved areas or areas proposed to be paved, whe~e the perc rate
exceeds 6Q min/in.
8. Axeas wit~i a slope zn. excess of 30%.
9. Areas where the percolatian value is in excess of i20 min/in.
10. Areas ta~th ~ess than two feet of soiL above impervious stratum
or groundwater.
C. Each lot in a single-fam~.iy residentiai subdivision and land diviszon
shall prova.de the m.~.ni.rnum area for sewage disposal found in Tab1e ~
attached, Azeas showrn xn Table I up ta and including 2.0 acres are
mi.nimum useabl.e axeas for sewage disposal as defined in B ahove.
Areas zn. TabJ.e I i,n excess of two acres are ~ini.u~um gross parcel
sizes provided, however, that such gxoss pa~'cels shal~ con~a~n nat
less than t~,ra acres of useable area as detin~d in B above.
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N4T~S: a. An imp~ ~iaus s~ratum or layer is a h~d lense o~ ~ine grained
sax~, rock, cemented material, or simxlar sox~ s~ructure wh~ch
retards the dorar~waxd ~avement of water. A stratum, which has a
percolation value ~n excess o~ 120 minutes p~r inch and/or ~~
which six inches of watie~ w~ll not seep comp~etely away in a
12Thour periad, sha11 be deemed to be imge~vious.
b. Areas with less than two ~eet ot soil, slapes in excess d~ 30%, or
pe~cola~ion valu~s in excess of 120 min/inch are ~ee~ed unsuitable
for septxc ~ank systerns.
c. ~n add~tion to the ather xequi~ements of ~hese standards, sewage
disposal areas must be of such a configua~~on ~hat it is practicable
ta use ~he~ as disposal areas based upon standard practices for
t~e installa~ion o~ septic tank systems.
TABL~ T~
MINIMfJM SEPARATIQN AIS~ANCES IN L~~EAL FEE~
Fac~~ity
a) Indiv~_dual Domestic
We 11
~) i~bl~.c Domestic Well
c) Pe~ennia]. 5tream
d) Arainage Eauxse o~r
Epliemera7. Stxeam
e) Cut or Fi.].1 Bank
f) I,ake or Rese~voir
g) Lot Lines Wizere In-
S-~ or Sewer Line
50'
100'
50'
25`
10'
50 '
Leachin~ Field
100'
104'
100' ~rocn ha.gh-
water Iine
50' ~rom edge of
channel
~' X ~re~rica~.
height
200' ~rom high-
watex line
See a e I'it
150 '
~50'
3.00' ~rom hi.gh-
water Line
54' from edge
of channel
~' X Verti.ca.1.
hei.ght
200' fram high-
watez line
dividual WeI1s Used 25' S~' 75'
NOTE: '~his ~equirement, s~ia11 not apply where location of wells on
each lot is spe~~fied on the fi.nal m.ap an~ requirc~d useab~e
area fo~ each lot ~s 100' ~ram any we~.]. ~.o~atzon.
-4-
1~
~
APPEI~DIX V'~IT
k'ees
F
D~PRRTMENT 0~ PUBLIC IdORKS
LAND D~VCLOP~~NT SECTIQN ~E~ SCH~D~LE
Subdivision ~ap:
~0 ~o~s or iess ....................1i5.00
Over 70 Zots .......................~i5.00 pius 2.00 per lot ove~ 10
~arce~ Map ...................................115.00
Preiim~nary Subdivision ..............:.....,.1~5.00
R~versio~ to Acrea~e .........................715.00
Ba~ndary L~ne Mod~f~catio~ ................... 75,Q0
Wa~ver Rppiication ........................... 75.00
Cer~ifica~e af Complianc~...... ..............100.00
Not~ce to ~e~ants - Cando~iniun Conversians.. B.OQ per na~ice
MISC~~LA~EOUS FEES .
Chec~~n Fees: ~If Ma~ is Approved}
F~na~ Subdiv~sfon ~ap ........................ 100.00 p~us 2.00 per lot
Parce7 Map ................................... 70.00 ~lus 70.00 ~er 7at
Record of S~rvey ............................. 70.00
Subd~v~sia~ I~~rovement ~7ans ................ ~50.00 p7us 4.00 per 700 ft, a~
roadway ar fractzon
~~ereaf
5~te Im~rovemer~~ Plans ....................... 750.00 pius 4.00 per 1D0 f~. of
raadway nr frac~3on
~hereaf
Bo~r~dary Line f~lo~~ficatiar~ (by deeds~........ 30.00
Wa~ver (by deeds) ............................ 30.00
Bo~rtdary ~ine Modificat3on (by plat)......... ~5.00
Construc~ian ~nspection Fees:
5ubdivisior~s .................................3/ of esti~nated constr~rction
cast
5i~e Tm~ravement .............................3/ of es~timated construct~on
cos~
Assessment Qis~ricts .........................4% af estir~ated canstr~c~ion
cos~
Private Roa~ Ir~spectian (parcel maps}....,.,,10Q.00 +~5.00 per each re~urn
tr.ip ~hat is requ~red
Road Main~enance Rgreeme~t Recording Fee..... 4.Od far lst shee~, T.00 ~or
each ad~itionai s~eet
~inal Map Recard~ng ~ee ...................... 6,Q~ for 1s-~ sheet, 2.p0 for
each additional sheet
-T-
A~p~~~zx ~x
Storm Dra~nage Fees
STORM DRA~NAGE FEES
COUN'I'Y OF BU~TE
I. AlI persons, ~i.rFres or corporat~ons deve~.oping ].and within the County of
Butte shall pay a storm drainage fee in accardance with the attached
"S~orm Drainage ~'ee Schedu~e? (~xhibi~. "A") .
~I. Fee Applicatian
A. Exe~npt Condi~xons -.. No ~ee Reguired;
1.. Any propex~ty be~ng developed from which tlze owner has construc~ed
stoz-~n d.rainage ~acilities to an ex~stang natural drainage c~annel
~n accordance w~th the ~equire~ents of the B~.tte County Depa~~~ent
of Public Works sha~~, be exempt from the payment of a storm draxn-
age fee.
2. ~~ the property ~being developed ~.s ~oca~ed w~.thin a~t exis~i.ng storm
drainage system and. th~ proposed. land use density is the same as
the densi.ty used in the design of the sfoxm drainage assessment dis-
trict ~acil~ties.already constructed, there sha7.1 be no fee.
B. Conditions Wfiich Require Fee Paym~nt:
1. If the property heing develaped i.s iocated within an axea which has.
no storm drainage ~ac~lit~.es and is n.ot in.cluded in a storm~ drainage
assessment di.strict, the develaper shal.i e~ther:
a. Pay a stor~m drai.nage fee in accordance wirh ~he attached "Stonn
Drainage ~'ee Sc~.edule" (Exhibit "A"} , or
b. Cons~ruct an underg~ound s~ox'm~ draa.nage system ~o the nearest
adequate ~.atural storm drainage channel in accordance ~,rxth the
requirements o~ the $utte Countiy Department of Public Works.
2. If the property being developed is ].oca~ed ra~th~.n a storm drai~r.age
_~..
assessm .t district wlzich conCains paxt= ~~y co~strsacted storm drain-
age facilities, the developer sha11 ei~her:
a. Pay a storm dra~nage fee to be computed as foXiaws:
~ee = S~.o nn drainage fee (fro~ Exhibi~ "A") m~nus p~evious
storm drainage assessmezxt on th~ property being developed, o~
b. Con.stxv.ct the necessary storm d.rainage faciliti.es from ~he prap--
ez~y be~xzg dev~Ioped to the exi.sting assess~nent distri.ct facility
and pay a fee to be co~nputed. as fo~Iows:
Fee = Sto~:m drainage fee .(from Exhibit "A") minus
the sfiorm drainag~ assessment on the p~operty minus
the cosr of the sto~n drai.xzage ~aci.~~ties constructed.
In no case wi11 ~he developer be entitied to a rebate due to a
"negative fee".
3. T.f tl~e p~operty be~ng deve~.oped is loca~ed w~thi,n. a storr~ ~.rainage
assessment district c,rhich contains ~'u11y constructed s~.oz'm cirainage
facilities and the proposec~ land use density is grea~e~ rhan. the
densi.ty used in the design. of the starm drainage assessment dis~ri.ct
facilities aiready constructed, ~he developer shall either:
a. Pa.y a storm drainage ~'ee to be computed as follows:
~ee = Storm drainage fee (from Exhibit "At') minus
s~ozzn draa.nage a.ssessraen.t on prope~rty, az
b. ~f t~.e developer constxucts a stoxm dzainage ex~ensa.on f~om the
property being devel.oped to a s~.o~n drainage sys~em ox adequate
na~ural drain.age channe~, t~e developex sha17. pay a fee to be
computed. as ~ol~ows:
~ee = Sto nn drainage fee (~rom ~xhibit "A") ininus
~he cas~ af constzticting the extens~on ~a the storm
drainage system.
In no case wi13~ ~he developer be entitlec3 to a rebate due t~o a
"negatave fee".
4. If the prnperty being deveJ.oped is nat 1.oca~ed t,ri,thin an exasting
storm drainage assessment dis~rict but can be served by an exis~ing
storm drainage £acil.xty' canst~cted and maintained ~y some ],ocal
-2-
agency :ner than a stoxm dra~nage asse ~~ent district, the
deve~oper shall ei~hex:
a. Pay a storm drainage ~ee in accordanCe with the "Sta~ Draznage
~`ee Schedule" (~xhibit "A1°) , ox
b. Construct the n~cessary stvzm drainage faci~ities fram the
prp~e~~q to the existing storm drain.age ~aci7.zty an.d pay a
~ee to be computed as follows:
Fee = Storm d.rainage fee (from Exhib~~ "A") minus
t~.e cast of ~.he stoxlu drainage tacilities constructed.
~n no case wi.1.1 the developex be entitled to a r~bate due to a
"negat3.ve ~ee" .
III, Subdivisior Developm~nt
~t the propezty is being developed as a subda.vi.sion and requires the proeess~
ing of. a ten.~.a~xve and final subdivision map, tt~e deveipper shal7. construct
a stox~m dza.inage syste~n which shalZ carry subdivision storm drainage n~.n-o~E
ta Che nearest natural drainage channel. ~aving adequate capacity fax same.
In this case, no storm drainage fee sha11 be ass~.ssed.
IV. Exi.stin.g Assessments on Praperty ~o Be Subdivided
T£ there is an existing s~orm drai.n.age or improvement assessment on the
property to ~e subdiva.ded, Che deveioper shal~ either;
a. Pay off the entiz'e assessmen't pr~or to ~eco~ding of £inal map or waiver,
or
3~. Di~tride the_assessment in accorda~.ce rai~h the Stat~e of Cali~arriia S~re~ts
and Highways Cod~ an.d the But~e Cour~ty Director of ~zblic Works.
'The application to the Coun~y v~ Bu~te to div~de assessment shall be accom-
panied by a fee of fa.fty dol.lars ($5d) p~us ten doi~ars ($10) for each i~.-
diva.dual parcel or 7.nt baing created.
V. Drai.nage ~'ee F`or Parcel Maps
See Section. II A, Exempt Candit~ions. If a drainage fee fo~ lo~s created
by a parcel ma.p is requirec~, the amount of the ~'ee shal]. be cos~pu~ed at the
rate speci~'ied by th.e drainage s~udy ~ox ~he area.
-3-
Excepr:
If any lo~ created exceeds three acres in grass a~ea, no drainage fae wili
be required.
V~, The d~a~nage ~ees for ~h~ Therma~ito Area and Cn~co Vecina Area are
on £ile in ~he ~epar~men~ o~ Public Works o~fice. ~hese fees are
as per ~he a~opted Mas~er Dxainage Plans ~or ~he Th~~mal~~a Area and
Ch~co Vecino A~ea,
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~u~.:w.~~~a W f~ y
C4~NTY OF~- ~UTT~E - ----- -- ~-~- ~ ~DEPA~RTMENT _ OF . PUBLIC ~ ~~ WORKS
STQR~i D4~I~AGE ~ ~ ~ ~
FE~ SCHFDULE ~~ ~ ~ _ ~ ~
_~.. _
APP~r~nax x '
Processitzg F~ota Chart for Parcel
Maps And Subd.ivisa.on Maps
~
.~ / 1 ~S / / /
~ ~ ~ ~1 t; ~l r~ ~ `~'
1
~
4,
4 ar ~'etive~
Par~eJ. Map or kTaiver
Re~uiied
Make Agp].icati.on ~o
Public Z~Torks Depaxrrie~~~ and
Su~~iit Ten~a~iva 1'arce~
M~g
~'~
Er!~>? ro~-nent~I Retriew
~
~
r~d~vi.sory Ager_cy
~~
:.
~p~Y~v~/D~ny
>:~-
Ap~ea]. ~ Baa~~ af
Supervisors
~"
~
RecaYd P~rce? i~iap
and/or
Cou:~*y Re~ards
Wa~rer Approva3.
, or k'i.ndin;s
TH~EE G~.~EG~R~~'S Oc SsJBDIVIS~Qv
5 ar Nore
Less than 2Q acres
~'ina7. S~bdzv~z.sion
Map Aeq~.~ired
~
4
Maice App~.ica~~on to ~
Pub3.ic Works Depax~ment and
Su~~nit Ten~.at2ve Subda.v~.sxon
Map ~ __
F
Ez~.vz~onmen~.al Revzeca'
~:,
~
Subdivzs~or. Coms~ittee ~
Adv'~sory P.oency
Apprave/~eny
Appeal -- Boa~d o:~
Supervi.soxs
Recar~ Final
Subdi.visian Mag
5 or ~€ore
G~ea~er than 20 acres
Parcel. Map Fequired
Ma~Ce Application ~o -
Pub~.i.c Wo~'ks Depaxtment
and Su6mi~C Ten~a~~.ve
Pa~ce3. Ma
. ~
~nvi.ronnen~'al R~vie~r
~idvisor~r Aaency
~ .
~
Apgrove/D~r.y
~
~
Appeal - Baazd of
Superviso~s ,
~~
~
Recard Par~e3. iKap
-x-
APPENDIX XI ~
County Ord~nance ~~1453
Add~tianal Improvement Requirements Far
Certain Buildings Within 'The Urban Area
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Qx-c . a~c2 No _ I!~~3
AN ORD~~~~~TC`.E ~1DD~`iG A~~T~CLE ~~ TO CF~.~x~TEFz
' 26 QF THE BLITT~' COU~TY C4D~
Add3.~ios~al 3.atpxovement Requirements for Certain Build~ngs in Urban Areas
~'he B~~ard, o~ Su~e-rvis~~s ai t~ie Cou.n~y o~ But~~, Sta~e
a~ Ga? iforn.a.a LY} OR~7AI~~ as fo~.lows:
~.. Ar~icle z~ ~s hereby addec~ ta Cha~ter 26 a~ ~hz ~utt~.~
Gac.~ity Gode ~o read as ~alTows; -.
l~rticle II. Additi.anal. Sm raves~.~.nt R.~ ~.~,r.ements far -
_ _ _____-__-~.._.~....w.._._~'.- -- -°~ _ . ~. _._-~-~- . .
Ca~ta~.n Bui~,c~,i .~s in Urban Axeas . -
~ S~cti.a~i 2E~wlt~. F~nd:~.n~s,~ N~c~ssity for Add~,tzon~l~
~m~~x•ov~m.Q.r~ts fc~r Devalo me~t ~.n U~ban A~~as ,. ~.'h~ Baaxd o~ Su~er-
vi.sr~~s .fi~a.ds that ad~.i.~i4nal buildiz~ anci dAvelop~~~t ~equi~e.rnents
ar~ n~cessary in ord~r to p~otect tha h~a~.~~~, welfare, and safety .
a~ t~C¢ ~~x~.e~cal pub~.~.c in spec~.fi.ed ~~e~~ of th° 'L~.Z7.~.~GO~o~ated
ar~~ o'~~ Bu~~e ~~~ty that are adj~cent ~a and ~.n th~ ~r~ cinity of
I-~nc~r~ora~:ed or oth~r h~~ ~.ensi~y areas, ~s def~.z~~d ~n S~cL~ran
~µ .
k 25-~11 bel.ow. The Board fu~t~x~r f~.nds ~ha~ s~.~h ad~i.ti.ona? ~e-
~~~.re~ae~ts are nece~saxy~ in orde~ ta pro'~ec.~: tha heal~h, welfare
aa?~. safe~~ of the g~ner~l publ~c, i.ncluc~.ix~a but nat lun;~ted to
~~as~. ~eo~~e ~esidinp ~rithin said ar~as as w~l~ a~ those uszn;
~ ;h~ coLU~;ty ~oads ~n sa-~ d. areas .
Saction 26-11. U~b~n Ar~as DQfi~ed.' The uxbaxz -.
' aze~s to wh~.ch th.is Art~cle is applicabl~ are hereby d~scr~.Taed
~ as t~~.ase carta~.n arzas ~urroundir~ Ghico and Orovi~ lz, and the
~~ Paz~adis~ urban ar~a, as sho~a~n o~. a map establish~d by a rzsolutian
~~ ox- re~o~.~.xtions o~ standa~ds adopt~d by tha ~oa~d of ~upervisors
j~p~rsuaz~~ to Chaptzr 20 0~ the B~.~~~ Coun~y Co~~ a~ bein; the said
j~ ur~an arQas . A copy of said n~~ shal~. b~ on f zle Tai ~.h th~ Co~x.~ty
~~ C~ er~~, Gaun.~.y ~'~.annino Dz~art,}.~nt, Caunty Haalth D~~ar~.mnnt an d
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28
Public Works Department. The urban areas as ~stablished in said ftesalutian
of Standards may b~ amended by t~e Board o~ Supervisars by ~esolutzon,
and the aniended map shall th~n be filed in the a~axesaid caunty offices.
6ect~an 26-i2. Z~provemen~ Requirements. When a
bu~Id~ng perm~t for a new buildi~g ~s requized for commercial or ~ndustrial
uses or fax multiple livzng unit uses having more ~han three li~irig unzts
per parcel, and the projec~ involved falls wi~hin one o~ the urban areas
descrzbed in Section 26-~1, in addit~on to all other requirements sek £o~th
in the Un~for~ Building Code as amended and adopted by refe~ence in ~~is
chapter, ~he constXuction of curbs, g~.rters, sidewa~ks or waZkways and
drainage faci lities shall he required. 'TiLe tech.nical s~andards and
speci.~a.cations of th~: aforesai.d improve~ents sha11 be as provided for
subdivisions in Chapter 2Q of tih.e ~,ut~e County Code and a resalution of
stan.dards adopted pursuant the~eta. Butte County Department of Public
W~rks sh.all determine and appro~re the grade, width and location of al.l
required improvemenfis on caunty roads from survey or oth~r in€ormation
subm~.tted by the d~veloper's engine~r or fra~n file i,n£o~a.tion ~.f avail-
abl~. An~ re~.ocatian cause~ by countq alignment or grade changes for
futuxe road constz-uction shal.J. be the responsibil~.ty o~ county.
Sect~on 26~13. Pastponesnent of Drainage_ _I_m~rovements.
No~Yai~hs~and~ng the provisions Qf Secrion 26-i2, draa.nage improvements
may be pastponed at the dxscre~a.on at the Board o~ Supervisors on the
deposit a~ a d~ainage fee in an asnount detera~ined by the
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1~~oard of Sup~rvi.sars (by reso~ution), which fee s~a1.l be r~serve~
~ iar ~ze cost a~ the requ3red dra~.nage faci~.~.~ies, prova.d~~ tha~ a~
~ i~.~.er~.rr3. drair~ge solut~.an a.s ava~lab~e o~ the property in question..
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-~ ~ Sac-~a.o~ 26-13~. Post~onern~nt a~ Street Im~ro-ve-
~~ mer?~s . ~lot:~i~.hstazdin~ th2 provisions o~ S?c-~a.ozz 2~-12, 5~.7'22'~
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3 ~.r~provemQnts may be postponed at ~he discretioz}. of the Saard of
~. Super~risors or the Director of Pubiic Z7arks ~or a per~.od of zive
~ y~ars upQn the deposi~ of a neoo~.a.able f~~ in ~he amount C~2t2x~
g mined by ~he Dzrec~or o~ ~-u.bl~c Wor~cs, which ~ez shou~.d b~
~ rese~ved for the cos~ of the requi.red stree~ improvemen~s.
. $ This postponemQnt shall ba made on~y' if there are no
g other such street improvem?x~~s w~.~hin 500 feet of this instal~a L~~.
. ~p and if such other faci~i~ies are r~.ot cons~reic~ed ~;n. the neighoar-~ ,
~ i~ hoc~d, .Butte • Gounty w~.~1 refund~ the assura~.ce fe~ at the end o~
. ~ ~ the z ive year ~~ ~ .
~ ~ 5~ction 26-14. Rec~u~.resr.~ts ~napplxcab~.e if
13 . - -
~ ~.~ A~ve~rse ~o Heal~h, Safet and Welfare . Na~~r~~hstanding a~sy~hin~
1~ to the contrary in Sectxons 2b-12 ar~d 26-13, the requ~remen~.s
. ~
~.B conta~.~ed therea.n sha~~. na~ be a~plicabl~ if their appli~ation
?7 :~QVld adversely a~fec~ th~ health, satety ar~.d t~elfare a~ ~.h~
~I . . .: .. . . .
~8 gene~al publzc beeause of specia~ ci.~c~ms~ances appl~.cable to the
3~ im~zedi.ate area of the zmp~ov~ment, in.clud~no th~ tapography and
~o the nature vf o~her developr~.~nts ~n ~he area.. Th~ dzterr~ina~~.on
2~ wh~ther ~he requirements in a part~c~.la~ case wo-ul d cause such
~~ adverse affect on~the health, safaty vr wel~are shal~. be ~ad~ by
~~ ~~h~ D~.rector of. Pub~.ic Works s~.bje~t to appeal ~a th~ Board a~
A
~=~Supervisors in the ~annzr spec~fied i.n Artic~e IX o~ Chapter 20
` ~ ~of the Btxtte Co~.n.ty Code. .
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,~I~ 2. T~is ordinanc~ shall takz ezfect ~~irty (30)days af~^r
1 ~
z i the dat~ of ~~s ado~~ian, and, ba~axe e~pi~a'~ion o~ ~ifteen (1.5)
3 days a~te~ i~s passage, xt~shall be publ~.sh~d with thz na~e s of
~ the n°abers of the Boax~. o~ S.t~.p~xv~.sors voting for and agains~ ~he
g same in a news~ap~r af gen~~al circ~.latxon ~n the County of ~
6 Bu~~e, Sta~e ot Cal~.fornia. . .
7 P.~55ED AN~ AD~P'TED by the Bciard Qf 5~.perv~i.sors of the Cov.n~ty
~ ~ of ~u~te, . S:~ate of Ca~.~.fornia or.t 4h~ ~~~h day of ~~Y ,
~ l 19 7~ , by the fo~.lowing vate : , .
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1~J ,p,YES.• 5uperv~.so~s CaFneron, Gilr~ar~, ~,add, .~I~LiI?op and Cnai?-mari z~.a.di~azr. f
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~ 3.s i4QT ~OTT1~~G: None ~ ~ ~ : .
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~ l-~CK r.~A~~GAN, Cha~. n o e
- ~,~ ~ oard of Superviso ~
3~
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?'~ ATTEST: ' ,
~-$ GT~ARK A: NELSON, Cou.nty Clerk anrl ~ .
. ex-officio G3.erk of the Board . -. ~~
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