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STATE HIGWAY ENVIRONMENTAL IMPACT REPORT D-697
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I I i � I � : . "�,, I I I I I I . � ,, . . I . � I I I I I � I � � . . . � . I � I I j I I � I � I ), � � . I I I � . � I � . . I , I I � I I . . I 1. I I . I I I I I . � I � , 1 1 1 1 1 . . I . � . I I Q , I I I I I , I � I I I I � I I . I � � � I , I I I � . , I � I. I I I I � I � , , il . 1, I � I . . � I I I 11 11 I I . �� � I . . ) . I I , I I 1 I � I I . I I � � � � � � I ", . . I I � � I I . , I 1� I 11 . I . � � I : I I 11 . I I II I I:' 1 , ,. ,� I , . I1 I 11 I I I I � I I I ' I I I I :: . . I I 1 I I . I � . ! I I : " . I , I . I I .� I : , I : I � I I I � I � I I I I , � I I . I � � , � !- . . , I I , - , I I I � , C, , I I I r I � I , � , I . , , I , I � I . I I I � i , . � I � I i I I I � � . " I I � � I . I . I ; I I : , � I � I . I I � I I " , 1 1 I I I . , , . I � � I t . � I I I I I ! � I . I , I I I I . , I I I I � I . 1� . I I I -, * ) . I , L I I � I : � i - I i L . I I . I I I r L I . I . I I � I I I . I L , , L , � L , L L I I 11 I 1 1 1 L .,I I � I , , . . 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T - 5 HR E T To T G � SHEET B 8 ,. 9 ., �, _ ,, ;. -, ,, �, r ,, r ;. ,; ,. ,. .. �� �� ,� , .� ;, �� ,. _ �t ,: � � { � •� ��} tea. - r� _' � y � ' , ei �.. � � � � �. o.d 11/; �o " �C( .fit' � a „' , �, .. w 6 ' .� ^ el• � - , � . \ - o � J �G� �' _ * �, g f � + • ' q� i o _*7 • �' ,� .. ¢ 1 �, i e 5 a ,• "� w --. � n „. � 't. ,. � � � � I � � ,� a w ' , 1 ( . ^ f / � , � ,� H}i//1J _ � � � • / +� I M ` I i 7 � A r Y . � I ., � w M�1- ' - n • � ,�� 1 � _ ,� M4. /// � "tv c s rTABLE OF CONTENTS r Chapter Page' I SUMMARY 1 rII'. INTRODUCTION 3 r III. PROJECT DESCRIPTION 4 IV. STATEMENT OF PROJECT OBJECTIVES' 1, V. ),GENERAL DESCRIPTION OF THE PROJECT'S TECHNICAL,, -ECONOMIC AND ENVIRONMENTAL CHARACTERISTICS - 5 r VI. ENVIRONMENTAL SETTING VII. 2NVIAONMENTAL, IMPACTS AND MITIGATIONS 12 VIII. EFFECTS L�ET:ERMINED NOT TO BE SIGNIFICANT r 31 IX; SIGNIFICANT ENVIRONMENTAL. EPFECTS WHICH CAN BF.' MITIGATED IF THE PROPOSAL IS IMPLEMENTED 32 xi SIGNIVI CANT ENVIROURENTAL IMPACTS WHICH CANNOT BE AVOIDEr, IF THE PROJECT IS IMPLLAENTED 33 XI. SIGNIFICANT IRREVERSIBLE ENVIRONMENTAL IMPACTS '91i0ULD TiiE r PROPOSED PL20JECT" BE IMPLEMENTED 33 XII. SHORT—'PERM `VS. LONG—TERM RESOURCE IMPACTS 133' ' XIII. GROWTH—INDUCING IMPACTS 34 XIV. CUMtLAxIVE '.MPA CTS 34 XV'. AVTERNATiVH s TO THE PROPOSED PROJECT 35 XVI. REPEKE�CES 39 XII: AP1�ENiCES 40� ' A, Idtial Einvitomecital Study t3. Botaripnab. Survey kepoft C. Archa'eo].agioal Slitvey Peport r 1. Btittd County t 6tid AY0 Categdri's and Zones r. -_ _._... t LIST OF FIGURES Figrnre 1 Location Map 2' 2 Project Site 3 Land'Use Categories and Zonesa 4 Original Study Areas Approved, by Caltrans ;Appendix L LIST OF T"US Table Page. '.1 1:981 Traffic 'Volumes g 2 Composite Emission Factors l;5 3 Mobile Source . Emissions for 1982 , l7 4. Mobile Source Emissions for 1995 5 bistvit, tiution of Project j. Traffic - 2 ■ iii i 1 1 1 1. SWAY This report addresses potential ii'pzcts to the State Highway. 32 corridor and an estimated 1,543 acres of land,Study,, .(Project Area) that may occur if thy, state and County appr1.ove three public, road approac,h'as to 14glwa 32. The proposed pr6-ect is located .✓'appr'oximately 10 miles n theast of Chico. Those impacts found not significant include: subside nce, Volcanismand so;i1 hazards iu t'he i ghway corridor and Study ' Area, and rockslides in the highway corridor; flooding and pollution of surface water 'f tom urban runoff in the highway corridor; d,egrad'ation of air quality in the highway corridor, Study Area and county; an increase in traffic hazardsand congestion in the highway corridor; noise intrusion in the Study area; provision 'of utilities in 'the highway corridor and Study , Ar'ea; excessive energy consumption on or off the project site;, disturbance o£ archaeological resources in the highway corridor. The following potential adverse impacts, which would primarily occur, in the Study Areaii could be,reduced to ,a .level' ,oaf i,nsignif`ican'ce if',' mitigation measures are .mplemented: exposure to seismic hazards, removal of native vegetation,, '. removal or destruction of rare/endangered plants, soil erosion, rockfalls and landslides, „exposure to flood ham.,, ';a s, reduction of � water quality in Litre Chico Creek, noise intrusion on lands r ani jace,nt Go` Highway 32, overcrowding in Chico area schools; disturbance of cultural resources, deterioration of unimproVed roads, storm drainage, induced alteration of planned land, uses:' T �{ and Highway 12 improvement costs. Significant :environmental im'pact'swhich cannot be: avoided if theroet ,i p j cs implemented are confined to natural fire hazards to residents and property; (although partially m tigable, iMPdLt` remains serious), and an increase in demand for 0-0Y16e p;rotO tion. rProject , alternat;iVes descri� ,l iit the report inci.ude too fro jest, peduced 'overall Density; Ihuredsed Over'.rill Density and Elimi At-inn of One Road Connection (coma)ino-& With one of the 1 other alternative's Although this Flit I'S not intended as a Mae'to 18 1 ki fo,r a.11, rt.uture deve,loptne,nt in tt,e study Area, the aocutti'ent may suffice f6 sgme projects, and require duly sitpplem,ehtal i.nfor'mati'on and,. analysis for other developments. r , i w ., �,� � � ,� i i II . INTRODUCTION Urban and suburban growth often produce' environmental' change's, which to someextent, can be anticipated and analyzed befote they occur. The California Haviro'ittaental Quality Act; (CEQ,A) of 19-70established the EnvironmenLal Impact tte,port (EIR) .procedures for such analysis. Through the rn_view process inanetated by this legislation, the environmental, consequences of land use decisions by governmental agencies can be stu ied be.iore the: decision is made. The results of this analysis are refined I thfrough comments,_ responses and, public hearings ancfi are t�ad,r`' available t:o persons potentially affected by the d(+Cisio.n as well as to ,;he decision -makers Lttemselves. This document is structured as a "focused" EI w�� Cten as a It reviewp"� part of the above --.described _;process., s the potential traffic, impacts on State Highway 12 northeast of Ch,lca posed by existing residential development and cont in ed conVersi.on of undev6lop-odl foothill land into rural homecsites. Although impacts to a broader "Study Area!' encompassing over 1,500 acres are also analyzed, no specific individual project has been singled: out within the S.Gud �' Gs wGh n all potential projects this a,t'ea gArea; are treated as a ener.ir, base.. �i Highway 32 east of Chico is a declared freeway'' with con- t rolled access from adjacent prJ1.1— properties. As 'early as 1978 Caltrans expressed' concern with Butte County's policy' of allowing continued development' on properties served by Highway 32; Iheteasi.rig the traffic load on access roads approypd by Caltran4s for limited'use as private �driVes, (changing them to: de facts - ' public road .connections,). - Mo',re recently, Mr. Trombatore again emphasizet that the County must treat these roads as public Road, Approaches to the highway, and must prepare an ETR as part of .the application process for approval: (kefer, to Appendix }Ei' fot the original map of the Study Area and for correspondenee from Cal t,ra;;a,and other parties addressing this tidtt.er.) the current roj ect wh' tot p j ich p"r,oposes to approve from two to three road connections with .Highway 32 is analyzed' in this report. Appropriate, mitigation measuresj as t>el.l` asi alternatiVes to the Pt oposed road • connection's aro submitted as feasible courses of action to puroue order .to 'redoed or 'eliminate adverse impact and obtain rirceanary state approvdl for public road approeche to Highway 32: V The CalUderad bepartment of Trans rortatiat �,al"tr p ( ansa and bot;Ge County 1Planning bepartm;ent have e �preSsed concerns about pfivate road conhect.tons to highway 32 in this vieinity't related t to the following i sues; 3 1 r • ,+ ,+ (: :,,� 1 I re [l '` /,"MN . r1' �.i Iw• ,I•� r Y Jr'tu� eY• � I,r ,�1 ! \, r. �' i ,:,r ! A ' •' • 1 i. � +/ � • r \� « ' ' r • •• � � ,,,/ is ry ,= p 1, r �/' ."• / , q,4, rl t„' ,: �`Y. ,.. • I ! ► it r Y ' ..�!�, ,. -' a. r .. �.. 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' I t �v� '. iJ, 'y 1rro. ; :'. pd Ad I 1• 9,, p Ij,A i ci 1Ji�:" ,hirS rk �r 4c1 :3 `:`j♦ rfI//.1,'.v ilAr. :IiII: C1+1'r�,, �.:,�(! i+s t ' `^'1, •t ` ' r ,,.�✓�`, f Y4h a��. ,�III �♦U, / � °i:V.,f , - ){,+ uu / .� p'r l 1Y ' .Y/a �_� /'•.` r; p. • (', :,. 011, �- `` ♦�," yhFt,lt �J�'Y` '1�.,,, _. i v. '.. - r r .:, r , r '.' Ite f" l: " `r � IH4 � '�' A � ��:J (' '1 r IY'�1a 1;-- � r ���� i .+ ' birY / � I� Y ►1 •gyp :. •A�, �;.« i, _,� �'•u� .', 1 �.. ' 7• 1 �QS��4 d• j C. /+(� 'Cl \II , r �r t ' too -1/ ',N,7.�r i•r N/.� 1�,e fr�41,\S! fI 1'. ,��''i. '' •'irj�. 1 }, , +Y. rY`� tq' u /fl•. -.r .jf 4' 1 1 ":"{%7.ib 1,,� tr p ,,r , :.r+'1 _xi yr �Si ► , ROADS � "—_ ITen Mi 1e HoUse Road to ,' "••, , . •.-.. .. ..... .: ,. a • +, a a.'�r r,l - L ` i .,-w. 'r r .: .<W y3'n ` '� aYg. W t. ,.ic. r.�" La dab :. .. �`� `� i ,rE y•i q, r I '. .,,.` I S r lw j+l �r c. c... 2 brive ' I '7_ q r �. � r r :/ ,-a �r'��. '•� r;A � 1'i, 11 t. � - � A� �Rr y { 9V ,a^r+� •rr '` rYW �tt '1rl lyurx ALGuI��T4i1 bYjVB �; l rl l 3f44 1 `.. It �01 to l i� too `• l rJ r t t toil 1u I Y rry V %! I J rr i`dfry a �' 1 46 r cede a linear strip of right-of-way to the Countyi A1)proxithat ely, one foot in 'width; parallel andadjacent, to the state highway, forming a nexus between each private road and Hip ay 32li No ' other roa i road's. current .y exist in this ' area that wojAld provide' tial ro er=l reasonable access' to the state highwayfrom resilen p p located within the larger project boundariessee Ti'g,u.re tCies V. GENERAL DESCRIPTION OV THE PROJECT'S TECHNICAL, W'ONON.tc AND ENVIRONMENTAL CHARACTERISTICS. The proposed' project would require road widenhig,--grading', axing construction of traffic barriers,separatots rind'"in: p�. arkfi:ng-� a:s well as drainage improvements to areas extend ►prig 500 feet north and south of each road connection, and from 100 to 200 -feet east of the centerline of the existing' highway. AgFo," to Appen-' dix �;Es' for ,a description of standard design .spcc;L'fications. required by Caltrans for public road connections. Pending final review by Caltrans, project traf) is after full buildout would not appear to warrant the construction of left ' turn pockets, or extensive accoleration and deceleration lazes for any of the three road connections,however,: other standard' highway improvements normally required for public road'approaches`' must he accomplishedbefore project, approval is granted by Caltrans. 'Costs £or these improvements may range as high as $40;000 to $60,000, d'epend'ing upon 'tlie type of improvements required. Typicial site considerations would, include slope` :g tadib ht, subsu"rface structural' characteristics, embankment construction; grading; amount of fill requited and the magnitude. of drainage improvements required. (Refer toAppendix E for a schematic rep resent:atian of typical road 'approach ' im rov-emen: s re° uired b Calt-rams' q Y •) birect :=general impacts to, the environment that will occur as a result of praj;Pct .implementation includo' vegetation removal;'' modification of topography; alteration of drainage patterns, an: ' ' increase in storm runoff and a potential increase i,n ttafic g,eneration: VI. ENV1RbNMENTAI, SMING A, LOCATION' The enerA pt site i Conti Pi'" r ed in ure 2 St 'a g p J � f i _g as u y Area #2)'is located a'ppro)t1m8te1,y 10 miles riartheast of State ' highway 00 and ;fast bt State Highway 32 :fin the P6test 'Ranch area, The proposed pub`1ic road approaches;; 'leaf1.i1.e house Road, Le Castana Drive and. Altatina bdVe, connect tol Righ'way 31l:an 'esti- ' trtated 9.0, 9.5 and 0,".0 mile's taorEht. S a.l i, ghway 09,' .1 respectively. The pro,iect boundaries occupy portions of Sections 30.; 11i 35 and 36 To�wrishi0 23 96t:hy Range 2'East-on a' 5 US.G.S. topographic map, a.nd encompasses 'approximately ''�.��► acres GEOLOGY -AND SOILS The topography in the project study area is eita�act�=t'lzed tha n fxnm 1,0s,3rueic, by gentle to steep rolling terrai=n. Sla es range mo re toward Little ChtGo G 107. on ridge tops to 60% or 1',Q00 feet to 1;800 feet A.S.L_ Elevations range ;from Volcanic mudflows and associates volcanic' s��nde ,and Formation, and younger conglomerates, identified a,s the, Tuscan rock underlay most of the project site. The ' basaltic volcanic sedimentary Chico Formation and ancient crystalline rocks of the the, TuscaFormation. Sierra Nevada underlay il The Tuscan ' 700 feet. in thickn over .Che Formatiion averages lows are layered altetnate].y with site. The less permeable mudf with the mud,- and conglomerates, 11e cm- sandstones er a`rt of the format;ton. Since, in the upp P flc minating, trees and shrubs wat 1s in the more petneable layers, to the sand ,ds along the canyon-Vallsuscacorresponding: Oct somerate layers of the Formation. ,and =, The surface is characterized as rough- broken and stony (80 il lociation and. Soils bel6hg to the 'ToomSurfaCele zso savxages l to 2 r Ctinset,tat16n Set vic:e Glass ed oVII)Subsoil - in depth; and is composed of loam and clay looms. feet, clay Erom'1 to feet izl depth, and cons"i:sts o£ clay, erages nts. erred with large'numbers of rock fragme loam inters p The Butte County Safety $lement rates the Too%es"Pentz soils 'moderate►! tb "high" erosion ' as having �'low'1' expansive potential 'moderate landsli, s t s'Soils is ha�ard and a lira 1 11 nage forthe slopes excee �►0/` these canyon area where claOifie'il as low to moderate. ' Galifartiia,. Division nes and Geo laces all of ,The of iii 'Geology P Several 'Fault $utte County in a loiv" earthquake 'seserity zone. da within "are locatould traces, all of unknown activity �angeefrom uake intensities, w likely theproject site: Earthq .. Vial may 'VI to VIII on the fitodi,Ei ed Mercalli Scale. Intensity built structures; ,structures ' C mgiierate damage to liooriy "to seismic safety codes would suffer lithe or no Quilt standard damage from latera3 fcirces: , O�: tlY1}�tOLOGY 1 d h Lith e Chico The only surface taatet on the site is forme y thxough the ` flaws southerlyotie,mile Gr'eekf a peYnianent. strenin Which east site; appxoxim,, ely " eastern portion of the pro,edt i). Nazui�al; drainage channels �alich of Fightsay 32 (see Figure rui"noff ''are found _Chrofighotit the carry jai ate and'spring storm b —o e e project area: e The ontent, y er water cvolcanic layers of the Tuscan Formation have a variable since perineable impermeable and materials with varying clay content; grain size and layered. pore Groundwater is found size, are inter - feet below thi at depths ranging from 80 to 800 well -head: The quality of the water from, ;the ` Tuscan Porniat on is' generall Y excellent. This g east of Chico serves as a north t s groundwater recharoe for he Cts .co area. welts in eD. SLIM tE AND ATR' UA --- ----- ^ Q LITY e .. odifi;ed Mediter A m:patterns i�`� th,e H ranean t e climate chziracterizes weather Yp of _ me k8 and coal wet winteps oiect area, resul_tilIg in hot dry Iotas of 30-35 degrees )i rangitag' from e average to summe>m highs Avera in averaging 90+ degrees F are common. in :the 1Q;,rer foothills. Precipitation inches. annuall, , averages 40-50: excess of 70 inche$oug}t the recent 1982-83 winter her produce.in eVariations' in the sirwl s canyon and ridge top Cerra'n would be expected to, modify local, wind .speeds and direr>tio.hs precipitation aild temperature levels. ' experience differenci id a toes $' would MiCiroclimate conditio �, ns.. _ canyon bottoms due t o differing degrees oie of PxposiAre indd solar heating, moisture retention, and related factors. = The existing air quality at I the proposed, road cohnectio ` and proiect study area is getterall" ' ns the Sacramento Y good: The site is located i'' Valley Air Basin iahi;ch has been designated as a. non -attainment area by the EP=A and California Air Resources board, occasionnll"y -fi excr g ed maximum levels fo'r ozone and carbon monoxide (G0). - e The stt,6 generally lies above the elle' .. feet)''. where combust=ion' -generated vat on (600 to 10000 e trapped by. "the vane ` pollutatits� are seasonally commonl' Y s temperature irzversi'on+ This .cdnditton is, Y present fcom5eptembei� through da�hurar Malley -generated Y> confining em3 sio.h all Periodically brio to the valley floor. Summer months 8 greater e ai;"r stabilit and conf'i eme , Y s M, .... u nt i n the valley: ilar pollution T;he nearest air quality mooitoring s-tation #s ,iocat;ed ih Chico. ,Records item tlje station show a steady decrease iii level's of CO'; ah oyera.11, decrease with short"term fliictitati:ai and artfi P .u5ates s of ozone; and a decrease in steady levels uf M�otorl vehinles are ' s' the mao hydrooar,bon. hydrocarbons land, prec%iYsors to nziine whi0' Open sa i`bn birtt#'ng is, another gr,ioitltiiral e significant soii'rc q Of Agriciil;tural; Tilling zs: the ina f these pollutants; suspended Partiotilate§ that exoeed standaHs Buri ng nsSmmer mo problems in the valley or Lvbthi,lls nt.h;..� No ai,e quality traffic on Highway' 32 ,°'related sp'ecifidall' to itati`e been repgrte, d Air< cjuai at t` Y he 3t the i§ ex ected to be markedly better than, that recorded site p, g ue to better air circulation and a Chico monitoriri station d larger volume of air available for 'mixing; This' has been el lower recordings from the Paradise. demonstrated b rhe relativ. y Y _1 ozone `monitoring- station at about 1, 600 feet elev anon. E. HABITAT. AND WILDLIFE 1 The habitat throughout the..project, area is basically chaparral, interspersed with s',ome elements Of foothill °woo�il,and and occasional 'bands of riparian habitat 'located along the banks of p treams and, LittJ.o Chico Creek. ephemeral. s Predom i narit'" plant species representing' the -chaparral. Habitat include: 'live 'oak, digger pine, manzanita coffee b;erry> California Bay, pitcher sage, buckbrush, poison; oak, 'silk-tassel bush; climbing vines of bed traw and chaparral. honeysuckle.: open patches of grass and forb vegetation occasionally occur in areas where 'soils are very shallow:; high moisture content in the soil may create a verhal habitat. Gotnmon species iii this 1 " ;habitat are sandwort Hooker's plantain, popcorn flower, monkey flower, goldfields, heronbll and several grass species of `'fescue Ar d blthe Disturbed soils near the site ;road ,connections support a "weedy" type of vegetation that include Spanish broom, yerba santa, vetch, curl' dock, foxtail barley and other weedji grasse's And, ssedling belon � g i'n& to thechaparral habitat. ,'s , two rare and endangered sp'ecies may occur in this, area: the L Red Bluff Rush (Juncus leiospermus� and Butte County Checker Ma.11ow (S,idalcea robubta). Other species corstdered ;rare but hoc endangered fouhd in this iab,tta t and location include Asti s Ralus ' patip_erculus, CaYycadenia oppo"sitifoliiI mimulus glaucesceh_s; Polygonum bidwelli6d and Plagiobothrys "scr ptus Habitat on the pro jer.t site provide food and cover Eot a raLor deer numb'ei. of animal species, including resident and roig Y skunk; rabbit, fox, bat; op'o`ssum, sgil,irrel:, mice and other Tehama Deer roderiGs: A port-ion of the site is OL thi h the East 1, p ,.. Y e herd taint°er range a=ccord ng t c3ij,a11fe ma s-used.b the to County Bl�a.nnit g Department: Many species of bi-rds_ 3 rthabit the site, including qu-Atl, red tail hawks;in6adowiarks, thrUshe;s, 1, spa,riovt, ; jays, woodp at! ets: bind mourning doves. Nb rare `or to inhabi t br depend oil h e-red.: animal species are :known ettdang p prosect site: 1 ' t1SE ► GENERAL P�--LAN, AND ,.ZONYNG F, • ' 'LAND' — --- '. .r. - The project sires, Including the en"tltie scurfy area; encampas- seg appt,6kiinatety 1. 543 ,does of mostly open la'hd� Land use,�itt e , he immediate vicinity of the proposed road cotnectious (radius t n rimarly consists of open. I ct 0 ) P of 1j4 mile from emch Gonne . with 'fewer than 1.0 res'ide'nces sparsely located 7 to acreage, throughout his At along the Highway. 32 corridor. Another parcels in the study area. 8 residences occupy the remaining Large' reception 'towers owned by 'State Television n hi hwa in the located approximately 1,000 feet. east` of the ma Y far no portion of the site. An estimated 1,1;45 acres of the project site are designated General Land Use Plari, Grazing and open Land (GdL) in the County 4,m inimum of 440` acreremainiS plat n c880 40. requiring acres znnedeTM acres are zoned A-2, wit the g desi'gna'ted Agrtcultur ` 398 acre$ of the project study ;area are e Res idenCi,al. (A=R), which regj,—I , a m3 niM' of o;ne acre per acreage is currently p y zoned ,d-2. l; all of arce. :this A roxiina ely '45 pa"reels' are now present on the Project pp from 40 to 160 acres in situ; 15 'parcels designated GOL range size, with t11e predominant size ranging from 80 to 120 acres. An in size' from 4 estltnated 30 parcel's are'classfied A-lt; and range "ranges from 10 to 30 to 42 acres; the predominant parce'1 size acres. (dee Figure 3)• Two known parcel maps of land classified A• t, 42-x- atres and by the county; 33 acted in 'size, are currently being processed resulC. in a gain of Four p�irc.els. rthese projects would inet Although ;sevetta hundred acres of land designated GOL have - under Williamso►i Act { been placed in agricultural preserves of more than'75%of this land have submitted contract;s, oto, Hers tion-renewal contracts: Stir' ound- ng n86 prima�ti,ly exist: at open rugged terrain developments Dave been wtth limited access, although se"neral far the foothill area. Porth and east of CQncoOn r ro osed' general p_ p . <. ,. _., , to the sacti further discussion of ttlis topic . refer far GutncClntive Impacts. c: �r�> iG ATPD G;��Gt1LArYON State lil_gitway2 is the primary veh3Giilar transp°nrtatton ' corridor t 1t.at pravide`s accosts p lane hihwuy is main ai old in The W fn:6th111 Cajtjmunitie5: lent condition, permitting ye'hialet t,o tra+rel at high: ay Ghica' and eY.ceJ m'. .h.)'' for most Of the dia spe (tancc beti,eeh 45 ed p pdrest Ranch. the Highway has a design calpacity of about 15;000 'vehicle`; 1'981 traffic. volumes recorded by GAifTTtAtiS shci� trips poor day. 2,200 At7T Inthe vic3 n3 ty of the proposed .oad connections, x,050 daring tl�e peak. hour:' xeavy AUT for the peak month and 360 trips 6%-% tGal trans 1980 average) of the,AbT. Tha t;riicks account for grade of the hi.ghWay ih the project area averhges %-4': f 70, Rte 32, But Co f981;;rF wn�' v6LUA1ES Rte 33, Ker a Milt- ►ak ADT Dl-acnptwn: How. Pk Mo Itnnual Pak ADT Mik=- Annual, l Description Hour ' Pk.Mo, ` Post 10,74 (7ticv, End in'-stbossrrd 8.00 Creelc`Aoid „+» Couplet ApF °roi mately 11atf 1850 : 19,100 0,000 Wt East of 9.04 oak View Cardenj,, 10,74 C 0 U0 L E'1 .. End , ... Bcgln Two Way Tti4d Santa An 10,li Chico.'pp roritnatelyHalf , y Mae £ at of Fv Street . ,. -•- -- - » --_» 100 19mo 1$,600 1065 Woodland Aoad _ . S304150 O CAO 1,630 17,600 16,600 Il:bl Chirn, Forest AJrtue 11.30 ,►+� . - 1,520 16000^ I6�00 • WR* Jct. Ate.150 » .:.:� »...» 280 4,150. 9,00 (areak in Aoute) 1127 Ch1c6,;E7 Monte 1lvenuc 1121 Ojai Fist Jct Ate, 150, Rowe 060 050 Continues Vit Miricopi Hlshway00.,....,.r.»:.._,» . »..... 10.; 1100 :11,000. l5«"l Nog Springs, Huubolt Awd, , . .... 630 I8,900 ' 060 liA E1 Aobiu Road 610 6,100"5,500 A.87 Forest Rinch, b Aobert E Ler,rive 550 5,4w 400 87,1,12 TvWepnst Erllutioa 2,(00: 1,500;' 12.80 FaimeW Avenue: SD0 5,006 4,4 =24;14 ' A16.93 tamo �.......r.�...._._.,:«:.r...... - .» ... 1 1 9,200 1.33 I.ot Padres O,GGb N -b' l FO, est'Baundary�. -. .3 .» a' �7,7S Butte-Tehasni'County We ».« _ _.-=-•- •-� _— - �- 210 2,000 , $100 'DISTRICT b) 1,400 I'm 2 0.00 B utteTehaasa County Line ..�_ .»—r - ---- - 100 80X1 700 140 1Jm0 ✓ 170 Wheeler Springs,......_....,....:;_»»..:...._..:.:....r,.»:..«...a,.»..»....... , 100; 800 700 W31 Net:Creek W . » ... 190 1,100 750 100 630 VA H3i.64 jet Ttu uv. Od Orb 730 3022 Supe ge W96100 s2o 677 Morgan Springs, South ROIiTE 9.1, Route 161 in �enturo to 1Toute 5 Near Tracy Ozena 4950 Aoad to LoclV608) ( 600 bISTRIC7 7,620 57Si Veeliva•Santa Biibua 'Ventu�at Coi►nty County Line ; ..�,�.._..:.........�:.a ..»a»...:.w.:.,,«:...a., DISTRICT 5 0,00 V e �ck. Rte. 101,�Ventura ' 0.00 en+mlVtun,Sa liirbua , la" ».... .._....•........��,.»..:_._ tcowa Bo Frtrwi YY Cohn line 24 44,700 23 800 "Sane Bk&iix County,; 1.57 Stanley AY646 ftilerehirige c_.u«. «_ .. - amu. ».� :. =0.00 Sus U1li Obifpo Cotwty 4,11`�J 4i�G4 20,800, rt'j,t, l6b West lrgo0 20,404 19,400 4.95 Sai,Listt OhisixrKern Count , MA Canada.�rga ter 156 40A 14a0p tl0i1 S+n�Luii Obirpo•keiit CnOnh' . AS,64 Caritas 111sta,itoid Ihtetchin6e w.t �.il1l.....t.»w.:..c..r�....»..+:.....:....,.««a u.www....��...a�+w•—+: t.� �19�,- ren. 0 1568 Fitil FrretvaY; Continue tit Venitua'i1'veitue _. , �tlOp `11.50 '1.iaiieops, Po3o��stral, 4i0 D, 1ti06 Milepost Egtli6od )ct. Rte.166;Fist c�::»w«..1 .. ...»W »; _ _ e- *$.00 500 0,800 9�fJ4 �' Ir150 20;200 i§,Doo 8.00 Crak Pond t$9i Counl� Acid ' The threeprivate road encroachments onto the higbWAy -in the p,rojec't area are currently from 15 to 25 feet w1de. Altatina Drive and Ten Mile House Road provide acriess to tlevcrr.j;L hundred acres. of land east of Highway 32,, while La, Cus,tnnr� Drive` ptimarily serve's frontage `, property along the 'highwuy. (See Figure 2 for circulation pattern.) The section of highway between Chico and ro'test tanch is a declared "freeway" with controllers access. 1'1dnners In the Caltrans District 3 office have expressed concern about the potential proliferation of new public access c6111tections to the highway, that would traffic safety, ,impair and/or make: costs for chann.e;lizapion at access points protlibit Vei While traffic generation ;from existing residences in the pro,jL:nt study area j utilizes very little of the hig_hway's capacity..,(l5 r:eside.nce's- generate an estimated '105 trips per day), future development in the projectarea combined with traffic frota other detelopmerits' ' served by Highway 32 may pose a less trivial impadt.: H, NOISE The primary source of noise in the area is generated by traffic along Highway 32.,The 15$1 volume of ADT passing the' project site was 2,200 velt.cles,. ADT for the peak `month was 5,050.' Heavy trucks account for an estimated 6%-77. of the total: , traffic volume. The, road geadierit in the vicinity of Che project st , r. ,ng es f"rom three to five percent; requiring heavy trucks traveli,;ig downhill to decelerate- thereby 'ncreasing noise levels. _. The Butte C.o;u; ty Noise'Eltit ent i dentiFies Htghw. y 32 as a high -speed's roadway:_ .The'average day/night noise levols. (Ldn) are rated as'follows: 70 dB within, :1o0 feet of the 'roadway, 65 dB between: 100 and 200 feet of the tbAdway; 60 dt or .less'' beyond ,200 feet of .the roadway. Adopted policy within the '0oi§e, 8lement states that ambient bacltgrr+u ltd noise levels shoulri not exceed 6013 in brdcY to P re'vetit interferen de with, nontrial indoor activities. Three hoUses' cut�rently exist within 1:00 to 200 feet of the edge of h.he hi hw,a : y ' I,�(JBLTG SHR�iCgS rTh`e site within the 0hico I�nfi fired School Distr#ct� ,. �hi1 dreg it1' the p j would at ro ec ; ateay E�ool, t'hrtd Park�tiew 1alemehttt Sc e . 10 High School and Chico Senior High School• The bus Chico Junior ass Llti .site aj on the junior and senior high schools p g` routes of Highway 32 and would serve ;the project vicinity• Police Protection Law enforcementand police protection is_,provided to the County Sheriff's Depeir menta• ct area by the Butte the sr Project no reguJ ar patrol., assigned to Glie nrea; piesent, there s Sheri, fVS patrol cars on the Fast Beat in Chico ret�pond to site the call. vicinity calls' from their location at, the time of the project site would average 10^2 Emergency response thine to depending on the location of the patrol VOIvttie: riinutes Vire ",PxotecCioa site and immediate vicinity is classified by 'the Butte The the County Safety Fftement as a High natur._l £i re- hazard area; 'by High to Extreme natui-al fire site is sirrounded areas of Fire Department, sta'f£e1? by the hate 13' : the Au ,te` County Forestry (CDF),personnel�llj se rseaslo,n California .Department of Califdk Chico-based fire stations. area fr,6,m volunteer 'service is also .available from Forest Ranrlt station lio. 24. Tee CDF 24 and Butte County Volunteer Fire Company No. tion protection additional re r o e ,... 4 �' P stat' tan in Forest Ranch also pro in the sum trier months. time for th4. e first engine from the Fbrest Ranch iiesponse staGiona would-range from 10^15 minutes• Response time for back- l0 to 15` mina to"s. r g £rom en ir►e3 £rom Chico would al,,so ran e , up g J_ tfT—I�LITIBS Gals and Electricity. No natural gas lines serve the; project Company (PG&_>s) doesi resent. Pacific ds,s, and electric area at p Hi hwa 3 , o ch curtdgtly litres tip g Y however' maiit, a1h power serve eltistin arcels InGlie'project area. g P i, �roVidd9 t�elep'hone Tc1ep'.►one. paciLic Telephon„ Company Y the project's 32 and ;Go races to-.thin service long_ Hip�t�tay rd'satic boundaries. gazeite wells r Sapply Water is` typically ;provided by on-s 3s Lot each pni',odl in the' p�oj�!ct axes: Water aVailsb .liGy 'depth for adequete f oats e at this ] ovation; extremely variabJ, xe are ito lett:; . $Od feet below the surface• The P vary frotri $O to 'ty water systeti in LWP- a"ren: for:a cohimuh ` Sewage Disposal�5evtage disposal. is accnnlplished in the ks acid leachfields• $oil dual tic tan, area bndivf p project y Se tt3ttin the pro;jeet area; deVelopniettt of t;onditinns nary greately ptnndards set by »titre County EnVi;+rnnmental nein pntcels rntiust rr�cet ', �lealth 'tlepartm e 1 VII.ENVIROIalENTAL IMPACTS AND MITIGATIONS - HIGHWAY 32 CORRII)01t Potentia], environmental impacts from project develo;pmenG �t"rC separated into two general categories; Impacts that directly aftect the Highway 32 corridor ("Highway Corxi.dor') and "Study Area" impacts that affect the areas: general project site,, or, off-sit(, As previous.l.y ment,ion,ed t perform , he ,County wo be expected, Lo initial environmental ' studies Ott future ena divisions and subdivisions; Mitigated Negative bdalarations generally and EIRs, are required by the Gatinty,'£or those projects'requiring discretionar overninent Y g action that mazy result l_ri si .Lnifoant adverse impact to the env,troninenr. A.GEO_--Ld GY AND SOIL IMPACTS L_ z_ Geologic Hazards clas,ih f:011°V"'ing Potential geolo g'ic hazard°�, have been as non-existent; or if presents _insignifidant in threat, by the Butte County Safety Element aitd (Fourteen' Mile related EIIts House Rezone and Bidwell Hei'hts Land Project) P cam leted in the area. g su bsidence; volcanism and ex'pansi"ve soul, Landslides and Rockfalls Highway Gorridbr: Sifid6 natural or cet banks are hat present at the pxb`posed road e and corinect;f�ns to H; ghcare 32; s slides and rockf.all� a're not considered a hazard ' Study :Area:; Poorly designed and constructdcl the project; arda Private' toads Pose landslide ro err and rocic£a1Y hazards to p P y, persons and vehicles. Required standards forte compliance:wittt County subdivision or pnr elmap ra h a's a c4nclit ort sten proval t4ouidtad of p tial hazard, equately mitigate t1 Mitigation:: f 1Vonn proposed.;` Erosion The erosion hazdi-d of`Too' the Butte County SafeZ mes Pe;tz soil i� r, ted+Nigh;, by Y Element r , based upon soil tiloddratP to, stee` > st.r;ucture ,a sla�pes in t'he,- nd- _p eare a. although a broad rahge of precipitation, iias been ti recbrd'ed fo dilt past 10 yearly rainfall tsbUld th annually: normally al�re ge ifigL I1i.phway Co7r�'idor PoteHtial impacts' Ecom erosibih at, the, sites proposed for publicroad connections include destabilization of roadbeds and shaulders, siltation of drainage channels and removal of topsoil on adjoining land. Erosion hAzards to Highway 3h' and, associated corridor improvements would be'satisfactorily mitigated by design stand= ' aids required by Caltrans 'for all modifications to state roads,, Highways and right—of—way ` land`'. Similarly, erosion impacts to private property immediately adjacent to the state right—of—way ' would be mitigated by 'Caltrans design standards. i Study Area: Most: erosion would occur during con.8 ruction-- grading for roads, especially, side—hill cuts, would coiltr,. to' both wind and water erosion. Rrosion may also occur ,Ln sloping- a'reas;- cleared xiU, vegetation and not replanted a"f ter"project- completion; Increased storm runoff may erode the banks of existing or new drainage channels, unless design standards adequately address site-specific conditions. Compliance with County standards for construction of private roads to serve new ' parcels, and conformance to the County grading ordinance will partially mitigate this hazard. Mi tiga'tioni 1.4 Perform all vegetation removal, excavation and grading activitieS during thedry months of the year; 2. Revegetate c�posed slopes prior to onset of the rainy -I, - season; 3. >s.tablish perimeter site berms for each building site during co nsttuction to inhibit erosion and "to ,;reduce the potential for silts to be oarried into stream channols;; 4. At parcel or sdbdivisinn maps shall ncurT�orate ppecif_ie drainage imptovements recom'mehded b}► the Rutte County ' I bepartinent af. public Works before approval is granted. earthquake Activity ul t llfsplaceaie'+nt it acid Pa A' primary effect of a'n eaithgiiake IiI5 gtowid shaking'--the hbrizontal and vertical v16tdtfotiof .Lhe ground that can result dag' to bttildin s pip661 , p`pes, storage tanks,''etc: Secondary in ma inci q act;iohi turclling, slumping and rockfAl effect`s ude> li uef The seventy of the ground shaking depends mainly upon the distance to the epicenter of the earthquake; the stl-ength of tale earthquako�► and 'hdWte of soil and rack at ;the affected site: rthe Calil_iir lia 1)fitbi6n of Mines and Coolb, places all of Butte. dibunty in a ftboli earthqua d severity: zone: The site lie's within the northern 'extenA6 i of the Po6"th.ilt6 fault 'system; Bich is .generally considered capable- of product ng; magni'tude 6.5 earthquake oft OW 1Ll6ter Scale. St is ftdbdadbid to, expect e x.oe" ted 20 an earthclualie re isterin G.S with the lite l'oca g ► p� 'e 13 mules fxom the site, to impact the project area:, Maximum robable intensities'grom earthquakes range, from UI to VIII oa the Modified Mercalli Scale,, to structures, which ind icates impacts or es.associated with earthquakes having an intensit greater. An. intensity VIIr would result in moierate damage to unreicifo;rced masonry structures and slight damage, to reinforced' well—built structures. No ;;evidence of recent .fault displacement has, been recorded in this vicinity of the ed county. however, lineaments visible air photos o land - proposed for development as Bidwell' Heights, three miles southeast of.' the' �. The ct sk Ce' are probable faults. date of their last activit'yrisenot nown: Highway dor� r� dor; Compliance by with design standards required CalCrans for construction ' of ail public '!road a aches,to state kiighways woul;i adequately mitigate 'seismic hazards Study Area: Compl. and,- with seismic safet y sL•andards 1,n local .and state building :odes would adequately mitigate. hazards to struct 'r ures built within the site area. Mitigation: None proposed. B. HYDROL(1GX xMPACT$ SI Ulf Dtaina e 8 Floodiing H' T3 _ gh�,aY Corridor: Aft increase .in storm runoff is expected' upon completion of rnat;tray i mpxovemerits. Com iiance; with design standards required 'by Cal�ra,ns f - P fa atM :?iXes N, or installation of drainage grading,, e,.trgy dia�ipators and'revegr..,,:atah of •41v�s, wl]. minimize the rate of runoff and pgtentt3l For floudtrg. bue to the small- percentage of iherease in iinpt;vioUs siirfare area in;cemparison to the existing amount of highway ares within the If ect a Pa, the increase in o b storm runoff is expected e insignificant. r Study Area; Littlle tlico Creek in is the ohl e... the pro�;ect v-Icinity subject re Y p rmanefit stream potential flash Flooding froitt sur ace sto,Q runoff. Several drainage' channels p slo irm P and occasionally land would contribuui z noff to the stream. 17evelopment' of more than 9d new hom�sil es ,a►id the eventual' oonstrUcfaon of severs tri, ds of unimp�rov .' goad to serve' thos.o sites i�il1 increac4ks sEorrt runoFF withi :w adjsi acent properties: `Ihe mnunt of rUno�I'llArbeeaccoinodatnd �?Y LiF(tle Chico Creekt`r`i;butary drainage channels acid drai naee' improveinents constructed to" thestandards 'of the toutlty Public 14 M t Works Department. Miti anion•_ All incorporate speci i.ed drainage e maps 611411 improvementbdivisnon 73itte County Public Works Department before,, ac vended b 1�Prbval y the _ Ranted. Water Quality Hig1 hey CoLridori There are ------_ a no sur.E ., e water, bodies in immediate vicinity of the "road r proposed the receive storm runoff (from connectionswateds . loeations. road im .t would p rav ements 'at the access Study Ateai Site deve Creeklopment in proximity to Little Chico or natural drainage channels dischat in contribute to, g into' unacceptable leve tate Creek ! e Average number of grips per day (ADT)-- 10 Average trip speed (ATS - • )- 46 mp.h. (Base.d an5�; Project area at 20 m.p.h.; 15.% of ATL in , and 70/, of ATL on highway at 55' ►n Fp h�n urban area. nt 30 m.p.h.; Vehicle mix! ]fight duty pasienger= 71.79% light duty truck= 16.52% medium duty tuck= 1.727. heavy duty gasoline trucker 3.31y„„ ' heavy duty diesel truck= motorcycles= 0.9U, ' Ambient temperature- 75 degrees r, r Operational mix -old start= 217d hot start= 27Z hot stable= 52% (Note; No estimated parameter is included fora var1.1ble. efficiency mix for all vehicles. 10W vehicle e.tf assuM ed. Figures for Vehicle iciency is Operational mi`x, ambient air° temperature and mix are based on data in :Supplement ;2 To and Basis for Bstimat, ng On -Road Motor VV eh ie Rmi 3 1981, p. E-220, published by the �rri---S J state' Air Resources B-------ord Based on the above figures,. the, total amount of :mil grave od MIT) per D/ j per day equals es 130c The mi.l.es 'traveled (ADUriT) for the �T entire project Atg�u11 buildouof t (107 DJ(is) in 1995 equals 13,910. In '1.982 the ADV1T'£or is cal culated to equal” 1,950. 15 1)JUs. TAB LE 2, GORP08ITB, 8�118SION FACTORS (Gra.tns per ride;) 1982 co' �. 3.$3 1:44 1995', 9.06 2.08, 0.86 �. Tabs es 5 And depict the atilaunt of emissions ener coun* ide and by project traft' 199, 5. Emissions from prbJactztraft-ic 3s sho e er a tir 19$2 And the total couift ' y eti is'bi6ns, 1n 1982 �rtten p, rcent of p`rojeet Ai MT" e uals. q. Cas3£or'nia Air Resources Board 5i1 and Bas.i's,;Bstdm d ti np 0n 'Road Veht :'stator 1981, p�.BW22q'. 1e trtrli's.sions June --r----�.-_.__ i 1 'TABLE' 3 1 MOBILE SOURCE ,EMIS'SIONS,FOR 1982 irons Per Day) Project -------- County* ` -------- —2—f C° o� u CO. .037 10 3.3 ' .036' 1 NO .008 .0' 1 THC M,3 15.2: _ .020 1 County aVe"rages from 1974- Base Year'Inventory But Air Polluti6n ` Control District- , to County 1 1 TABLE 4 1 MOBILE' SOURCE "EMISSIO "S FO ' N '', R (Tons 1995 per Day) 1 Pro. ect, ----- Ccaurit* h t. CO 1 .ZS No .o 22 1 T 1 *estimates 1 from,o Chico-'Aro-A, -Arid Use n �° Utte God General Plan -- .--:W' Plri , Mi AtripndmeIt' ------.-.. ,1952,. -----.__..` I! A 4X- _ D. HABITAT AND WILDLIFE .xMPACT5 Highway C'orridor's The a mount of vegetation'distu;tbed or removed within the imisrovement areas of the three :Pro,posed road connections would total less than two acres. A botiltii,cal survey of areas that would be impacted by road improvements was conduct"– ed iz April, 1983. No new populations of rare and and plant species'iaere dig covered..Less than 10 Plagiobothtis theTaCastana uduals were identified; near the southeast corner. of and lIighway 32 junction; s;ince';this plant is not end'a'ngered and occurs in '.local' abundance; is eno significant. impact xpected. Habitat within -100 yards of the proposed toad connections east of Highway 32 would be directlyim p acted by disturbance or removal of vegetation, noise and a probable increase, in ttaffi., The ,amount of habitat affected percentage of a as a vailab le habitat in this ridge areais ; s conidered negligible. igible. Study Area: Several potential Yate plants may exist',within the boundaries of the lax et project site. g p Plants of special include .the rate ..and .end Red Bluff Rush (Juncus leiosp,eYmus) and Biitte angeredta) County Check Mallow (Sidalcea robus.o rate but not endangered plants that may occur o'n the project site include Astragalus pauperculus, Calyradenia oppbsitifolia, mu- -1us aucescens,, g' Pol `_ _ ygonum bidwelli,+� r e —ane,— scriptus, The .];500 acres ;of project. area ulso serves as a habitat fo'r a great variety "o£ wildlife iri Old foothills, 3 ncl ud n g resident and migratory deet. Removal of substantial, amounts of vegetation and $' inc�Yease� in human sand coMe'stic anma'1 popUl,.ations may adversely affect l.ndi'enous g p wildlife, unless carried out u:rsuant to a regional co'nser'vation (See Appendix, plan.' S for full text of botannical report. a^ tioni l All parceand sub g division maps shall require that initial environmental studios be: petformed on, ' project sites as part o the condi tions of Approval:tit'1. gated Nebatiy e Declarations aril `EIRs should btu 4onsidered as a means of YeclUcing threats to endangered altd/or care plant species and wildlife'. Development that: uucur`s should be in confotuiance wit h a regional wildlife consttvation p]an and Conservation:>;lement i,h the County Cetie td Platt.LiMited open spaces stiould'be planned to assure - ptps 'ervation o£ deer ihigration routes,' 1. 7jAt�D iJS) Ii�PACI'S �L Highway Corridor. Less than two acre,scf op'en, though partially unprwl1 b, e fu%ther graded and covit.h., i�pervious sur£ades, fihe improveered:: w ments ' would alter` £ractioith. amoUttt of the botai acr'eagc in this area. The impact its `m3iitnal' l ;d Study A; ear The assurance of legal :access to 11;iY,+itaay 32 will most probably encourage continued development of Uttd .Ln the; area. project p p d connections, HoWevt�a`- cite not ex ected to.si n tieantlosaltet�`lanned land u its in a P _ gy p s the ko ect P j area,'sinde the anticipated 01,timate use alxbady odcurs to a lesser density. rThe provision of suitable locations for all necet3r3ctry com— munity landuses--including 'housing --in a variety of klltGtings to suit various income levels is an expressed goal of the Land Use Element of the Butte County General Plan. On page 33,; the Plan ;states that Biit'te County should "provide a div ersity qf ' dousing sites varying in size, detsity and loc4tLon:' The indirect effect of the proposed project offers that diversity by allowing prospective homebuyers the option of purchtisi ng a home in a rural foothills settine. The location appropriate for such housing is qualt.f ed by other policies withi.r the Plan, which point out constraints and limitations to be ustd in guiding community growth, so that the Ultimate deVelopifiefitL pattern maximizes community benefits and minimizes adverse environmental changes'. 1�1 the Study Area, important constraint's to'`deVelopme"nt include limited water supply, difficult access,, stvep slopes, unstable soils, high natural fire Hazard, limited areas for septic/leachfield systems` _ and abundant wildlife habitat., has Caltrans comtneiited on, the apparent inconsistency o£ foothill growth with the goals of th State's Urban SGrategv - ►� The latter dot -invent state8: When urban development is.necessar' y outside egisting urban and suburban areas use ]a"nd that is , . immediately adjacent:' If further notes that. "costs s'tenmiiag ' From lack of sewage trecih.tnent, d,omes'tic water, olid and s,waste Facilities occur when the pro�ecG site is noncontiguous to i exsting municipal faciliti� Os' , Tice stxidy, An teban Strategy for Cal3'fornia, is primarily applicable to urban rather than rural counties"'. A more aporopriate stUdy .for referential application to Butte Cod t;y is the Foothill Development Strategj►, prepared by rhe state Office ofplanning and Rese.avth (OPR),A final draft of the study has not yet been published. S"tated, pollcies,in the band Use, Circulation, open apace; Conservation and safety g'tetnents of the County General Plan adddleess, foothill development. I'll foil6`w�ng are ad'oAbd plah'ning goal -8t nand i�%e gl:'enient AgtItIUItUrd land should be'pr0setved olttside urban areas. Res3dert'ial densities should be corretated to soils elope, ' sewage disposals tadt'er' availabitity, proxi.61.ty `to PtabIic faldili>iiesy tra-fkid, ",carty�ing. _capaditie and nat^'tiiral�, 63.te, 1 9 characteristics. (p.34) Commercial ,facilities should b,e grouped into lnte�,, rated centers, and placed in close proximity to Posidebtial development. (p.55) A` circulation system should be provided which will support existing and proposed patterns and densities of land use. `:37 Requite. adequate 'drainage improvements for ;new d3Velopment. (p.37) Encourage exp ar„son of private 'utility systems, consistent with County plans and policies. Cp. 38) ' Locate new fire stations accessibilit Ys futiure develo ment and with c o ns i kl era tion t o natural fire hazards. p (p. 39 ' Regulate aeuelopfnent to facilit4te survival of deer herds- and to prevent destruction of riparian. areas;. (p, 41) Consider "fire hazards it land 'use and zoning' decisions, and guide development to areas with adequate fire protection'' services. (p. 43)` Tk e conditional zoning and development criteria Which toould then apply to the entire project ate the following: -� Compatible withneighboring agxicultural'act3vit3es. 2' Evidence of adequate ”wter supply and sepage disposal ' capabili:ty. 3 Availability ,of adeq�tate' fire p;otect16h facil;ities;,. 4;,Adequately m'aintaine'd approved road "access with sufficient capacity to served: the axes;- 5� Reasonable ' accessib' — Y to commercial services an d sch'oo ls. (p. 49} Circulation Uiatient . All parts of the circu14tory, System should "be sealed to. the ' fuhctibri they are to perform in conf6kff%A ice with 'the density total population of an:' area ane its related ].attd', itse requ remenEs`: (Design) Routes and facilities 6k the'citdtd4tory system should be so i.ocated and 'designed as to meet the demands of bosh existing and ' pt'oposed land 'use s� besign)I r ( 0 Conservation Element A(Drainage a'nd waste) facilities precisely located iri l mcan be t.iMed advanc"e of anticipated construction, any projects thereby reducing the 'incidence of later i into a; sing Le development disruption to existing facilities and consequent rebuilding. ■ (8.3) Qpen Space Studies should be conducted: to determine 'tile urban foothill and. mountai►l Arna, development' capabilitie" of the The County" should allow urban development only nl areas: physically suited to such use. No urban development, should be permitted on highly erodible land.' (5-13) residential development in the The County should regulate foothills to facilitate the survival and migration of deer 'herds• The Department of Fish and Game recommends 20 to '40 acre, or (.6.8) Larger, parcels in migration corridors. gaf ay, Element --Fire Protection Circulation cons iddrations, In case of a major emergency or dLsasterq evacuation routes and major tranfipo"station systems must for mobi'li ty and. safety. (A, be located„ des ned and maintained g - 2, b Ensure that road access for new development is 'adequate for p o"se;:,. (Policy 7)'" fire rotectiatt purp '' planning and design. cofi§ide protection Ifrom and Eire hazards a: co0`1,4eration in all planning; regulatory for areas of capital improvement programs with special concern r''high' and "extt•eme" fire hazard. (Policy 1) ase £Uelbreaks Abbg the edge of developing areas in "high'' and 'lexk reme" fire Tdzard areas.`. (po ky 3) betertnine the level of water" supplies necessary fot new 6) r development for El a protection pii"rpcses. Policy atas .ilf 'h ih e' ii' materials in g g aiPoliil$:i g _ Re ul"ate nre ' n average ha'zard� tha Ittipnrtant constr;ai{its to developtrient Wi.:thin project "terraf.n, staa1! opt soils, t1e; Itu' ed steep ies ixtcl�i_. gg, boilndar _ limited Water supp]ies� noted general,plan and toning rd9,tric"tions; the,`avai.fab y ` 6f 'miniinu'm ptiblic services and hi h c g ost of, prow i ding those ervices to rulral ureas. The above analysis Presupposes a minimum of two road approachesto Highway 32 in the ro°'ect area. g y P J Closure of all road connections would curtrail or haft all :development due to the remote distance of alternative access<,locations outside the study area, and presence :of, rugged 'unimproved roads that provide circulation within the project area. Present residents must, of coutsO, use the 'three existing road donnections,in their current ' spatial arrangement rangement t:o reach their home's. Approximately 649 acres of Iand aria now in Land conservation Agreements' (LCA) Uith Butte county as provided for under the Williamson Act. Owners representing 484 acre's have submitted non—renewal applications that would germinate Agreements t'n 1991. Since :much of the praect ]and holds only marginal agriau tutal V alue; removal of parcels 'from ACAs is not considered a serious loss of .important agricultural land. Assuring a minimum of two public road approaches to Kighway 32 would not significantly Affect the current disposition of acreage in LCAs, or non—renewal . While all of the Acrea-ge designated A—P, is zoned allowing upto a miniIDum of one acre per n%u; the constraints of shallow, soil", rugged topography,' limited hater ,supplfes and poor internal circulation have almost invariably required parcels to m h ` acresAlthough . an estimated acres of u.0 _265 Gtazin and en Land (GOL) is zoned A�2, the GOI; and use classification re wires a minimum of 40 acres per parcel. q s Assuring legal access to kghway.12may encourage owners of hand now classified GOL to ;apply for a general plan amendment and: rezone to allow greater residential derisiti.es. The historic; trend of dividing land into 5_lo acre parcels within the Amit areas will likely cofitihue. Mitigation: 1,A: Zone all tandwithin t_heP resent .A" gr, cul' Gura1� Residential -land use class£tdaton orie of the following; AR�5; TM-5, .or, PR 5y subject to findings of conformity with the C'ondit3onal Zoning acid rievelopment Critetid';listed far this land, use classification. These zoning and development criteria include' a Compatible withneighbor, ng agri,culturaliactivltLeg ; Vii. Evidence of adequate watdt and: sewage disposal capacity; 'it. Availability of adequate fire protection 'Edcil.ities;` n Adequately Maifit ained ioptoved icoad' access uY 1 t ' suff'fcient capacity to seirvice the aroa;' e� Reesonable ac. �eBsibility td 'c6mmictdid1 services, anil x2 r - r schools. Or, .. r -B. Amend the General Plan classification from ;A -R to Footh 11, Area Residential (FAR), and zone this acreage A-5,, AIS -5 FR -.5, TM or -5. These zones are identified as "consistent" under the r FAR land use designation, and are not required to meet condi conal z°nn a a, g 'and 6v_elopment criteri r 2. For land now designated GOL and zoned A-2, rezone toTM_ Remaining acreage 40.40. currently classified GO.L is now zoned TIS; r F. TRAFFIC IMPACTS historical and current t.ra fic studies indicate that each residence in the, aect ;pro area would be expected to generate from '7-10 trip's per day. For this analysis, the greater, or "worst case" figure is employed. Actual project ADT may be somewhat lo'Wcr due r to the relatively long (10-13 miles) distance to major service centers in the Chico urban area roj p°Or p ecit roads and proximity of Forest Ranch. rThe estimated 15 dwellingunits now on the ground would generate 150 ADT: At full buildout in 1995, 107 residence's would o w uld e g iterate, 1,070 ADT. The. expected Aistr,ibution of^ r05 r traffic volumes over existing ptoAecitl area roads is shown in Table 5. _r Table 5 -- DISTRIBUTION OF ,PROJI OT TRAFFIC' IN 1995 Z of Road ADT Project ADTe rT,en mite House Road 370 35 La Castana DriVe 80 7 rAltatiha Drive 520, 4� , Crown Point'ftoad* 100 g rTotal 1;070 100 r (A Nb 'Crown Point Roads an existing Public.: road,. lies one mi les north of the projoct site bout►dgri'es)' highway Garrido' -» Capacity grid Ser�tife, eve .3 State Highway 32 has an acty overall design capiof 15,000 ADT; br 625 average hourly treffic_(total in both directions) for. the secti'oh between Chico and Porest Itaiich. 1981 traffic Volumes on ft ghcvay 32 for this 'Northeast ;sedt'ion wd,te recorded as to!! Nor ,Chico r Urban area lE1 Monte Avenge), 2;650 ADT; immediate vici;�it" of thepro ject's3te" (Ftumbo,l t Road).; 2,��b0 ADT; f'or'estnch 'are a 6 (Rert R, bee Drjv6), 1,,;5"04 A'DT: 1 2a� , traffic volumes in the Wir 1.000 for Caltrans has projected v y Highway 32 along this section at the following locn;tio.ns C1 Monte 'Avenue, 4,000 ADT; Forest Ranch area, 4,100 AD'S`; and north:' based 'f Forest nch.;2,900 ADT, These estimates, are primwrjly o u on Chico,-generated ncreases� �:t .th g expecte alongthe i$hway 32 corridor between Chico' and Forest :, . Aitrl ,.: ADT estimates are similar to the Tpojectedin aci.:Uese rban Area Transportation ;Study (CATS), ptblished ins 1982, 'which infers 300 'ADT on Highway 32 between Chico and" 4', Forest' Ranch by the year, 2000. Due to limited sight distance, rolling terrain and numerous e curves, an :estimat ad 3 4�►A of service (LOS) "B" may ba achieved on the sections of highway oiq hi hwa belForest Ranch, st,Lng to the y �� ,� Mighway Capari_t Manual ('1965) a B 'LOS for hi%614ay cond' kions' betweett Chico and: Forest Manch, would assume an operating speed . of 50 m.p.F ., passing sight disttoance Ijmited 900 feet and upper highway speed restricted to 60 m.pih The "B" x.05'allows a stable flow of traffic,, with. drivers :able to maintain at operating speed of 50 and perlorm most p;. ising maneuvers as desired. Using the formulpc presented in the Highway'Capacity Manual, 1i " lculated to the actual service volume for L05 B has been ca. oqua`L 363 ave4,age hourly t;'raffic (AHT)--toGsx for, both dite:ctions—otg712' ADT (Refer to Appendix ''F"i EOt• fot'mulas r andcalculation ) Th.e traffic volumes estimated b Caltrans and theCATS y from 4,000-4,300 ADT'for the year 2000 are well stgdy, ranging within the li'.raiCs of a iib Wever unanticipated development along the Highway 32' corridors, including the present pro jec.,I, may..,dramatically increase ADT beyond the pro jer.tions posited by Caltrans and CATS. if the proposed project generates ';, this would mount to 25%-7 of the estimates 1,070 ADT;a suggested by Caltrans and CATS, and12/ of the ceiling ,voltimll necessary to itainteitn a "A' LOS. The project ADT would us'e approximately 7% of the design capatity'of the highway. Indreased traffic vgl.Utnes of Highway 32 generated by the proposed ;pt6ject are not tdh8idered signtf.icartt, since this voliitne would not, alone; reduce the LO,&S ar utilite a large amount of the design capacity of the highway. SGudt�. Area Crapacity, and Service Volume:. Th'e GATS study _ sh6t0o 52,200 ADT Ott liigh`way 32 at 'the eag, ern bbu idary of the • Chico urban atiea aEt'er fu11 buildout within the urban area. The project ADTe at full buildout, would' amount to 2.0 perceht of the projected, aredwide ADT.. This is not ci nsfdeYed a; significant ' impact. 2 �1 .e t _ Highway Corridor - Traffic HazardstThe generi�ti,on of l,0'70 ADT will add at least this, number of turning movement's --ingress a.nd egress: --on Highway' 32. Since th.e h, .ghway is .also occasionally traveled by bicyclists, particularly, dating the warm months; the need will increase for them to eaterc,t.r3e reasonable cautiot to insure their own 'sa.fety. Sight distance along Highway 32 is good to excellent at, the . ' proposed road connections, averaging 400• feet in both directions' at each approach.. Passing opportunities at LOS "Ai' will prevail" over most of the route between'Chico and'Fotest Ranch. Each highway lane is 12 feet• wide, though the widthof th,e road shoulder may vary from more than five Eeet to three feet near -. canyon rims: ' Tide highway in the vicinity, of 'Ten Mile 'House Road has' 2Y -4%g rades ascendi-ng in both directions f tom : the road connection. A curb borders the road shoulder along the, west side' of the highway. Shoulder width ranges £rorty 3-41 feet ala,ng, this section. Abroad curve begins a r g pp oximatdly,5Q0 feet south of the road connection. ' The high'way is generally level in the vicinity of 'La Castana Drive, though a slight ascending°grade exists north of the road cohn,ection. A cut bank is located along the east side of the' highway, approkimatel"y„200 feet north of the juncture. The width of the shoulder averages 1-5 feet; and is bbrdered by a curb. eThe highway ascends a steep ;grade (41.-67.) north of Altatina Drive, and. a lesser grade (; %�-2%) south of 'the road connection: A, cut bank exists' on the east side of the Highway approximately' 1,000 feet north of the juncture: The road shoulder, averages 3-5_ .feet to curb, "The above conditions wau1,. marginally increase rrat Eic ltaiatds as a result of increased traffic yol.utnes from project' buildout. Study Area Project Roads ,t. Altattna Drive and Tett Mile f-Iouse Road trd projected to absorb roost of the traffic Froin, full buildout in the project area,, with esti►nates oE 520 A 1 anti 310 At7x; respectively in 1995: Tilt two r''oads mould account for g4 of all project ADT: Current douhty standards req°titre' that p�rivat`e mails have a right-sof-way 60 Meet wide, a tdittiimuth roach width' of 20 feet; and the surface covered a,t least once with a layer of gravel. Current traffic volume for the,tw6 toads I'd esEitnated at' 116 AD;T; by 1995 this figure will have g..rown to 89h ADT; an increase of over 600%, The high erosion hazard t, 6, soils in 1 the ' project area; combined, with heavy rainfall . and mi vast increase in Ant by 1'995; pose; a seriotis h&tdtd to , mita statyl l l t'y and . erosion ciE ad acetyl: banks ektendin bel the road, j ' � ad Eroding” �5 i roar. shoulders may ,: y decrease ;Che carrying capaci.`ty of` storm drainage channels, or completely obstruct them, and potentially increase water quality hazards to Lit t It Chico Crock. Mitigations Either a pu'b.lic maintenance district ('County Service Area), assessment district„ or private pxoperty owners association should be formed to acquire the necessary funds to build and properly maintain private roads withi.n the p,rojec-t t area; and accomplish the necessary improvement to Highway, .32i The County should require the formation of s:;dh a Funding entity cond:tio n of approval far future parcel and ubdivisio;n maps. (NOTE: the effects of cumulative ADT on Highway '2 nd the Chico urban area'are discussed in the: Cumulative Impacts section ,of this �°Irfl?' Cha terIV.) p G. LAOIS ACTS The Butte County Noise Element primarily addresses ambient noise levels that :interfere' with common outdoor-,ivin,g acti.vities'; or activities conducted in enclosed spaces.. The Element suites that a, maximum community noise Level of Lott — GO "to dB is required provide a suitable noise environment ,inside bUildfhgs...This standard may ,not be low enough to permit unhindered speech colt unication outdoors. Speech communication is set►erely hindered when 'backgroundnoise levels rise to: 50-95 dBA Highway Corridor; Highway 32 is'ideritified as a "high"speed" roadway, where noise levels or than 60 dB would be expected aithiri 200;feet of the hi.ghWay. Since existing residences are now located beyond 200 feet from the highways traffic :noise Levels for most periods throughout the day and night-,,:,shouldbe accept�able� Stud" Areas No ' s: Y ttif' _ ig _ icant ,impact is' expecY.'ed,_ Mitigation. P1equire future ' subdivision and parcel maps to identify exce#:sive an i raffit horse Rohe extendi g 200,feet frotri and parallel to tiie pavement edge of Highway 32. Noise bar>±iers, residentialconstrltctLon techniques to reduce rioi'se'and setbacks jL from g y the hi"hwa ' would het' avoi & resident' p ial%traffic corridor dohfli;cts hti P(iBLxC uEHYG",,ES IrH'ACTS Schools Highway Cbrricio'r: Avery slight increase in'AbT would be eXpected from bus setvjce and other vehicles transporting; studenEs to .and f-ruin Chirp area .sclYcol8 This is hot considered a signlficanr impact: I �6 S"tuci�+ Area:,,. students within the;, project area would attend schools in the l;hico Unified School 'District. According to the s`.chpo.1 district, the following reserve capacities were calc4tlated y kview Elementary SchoolM 180'- for tl1;e 1.981-82 school ear.• Par Chico Junior High School= 300; Clico Senior High 'School.= �►0.0-500.- School officials; estimate that the, student population within theDistrict averages i:4,32 students: per household riull. project buildout (101dwelling units) would be 'expe.atid to ' generate 46 new 'student's. Parkview Elementary School: and Chico Junior High. School would each deceive approximately 25% (12) of` these students, while an ost'imated, 22' students would t ttend Chico` ' senior High School.' ' The impact of these new students would reduce the present; reserve eapacity' at Parkview Elementary ::School 'by 9%- at ;Chico Junior Hi h. School b 4q• and at Chino Senior School g yHigh.l by 4%- ' 6L These impacts are not considered significant. Projected reserve capacities for, schools in the :Chico Unified School. System for 199-5, when project buildout is sclreduleu for completion, is indeterminate. If, se hook serving theproject area were ,at capacity, then the, generation of,any news students may be considered ,significant. Miti a 1. Arrange, for transfer of 'project students to schools that' Y have reserve capacity:. - - � , 'schools Add temp,otae classrooms to at ,ca ac y Cho p ity; 3. formulate a lvelopcitent impa t fee for all subdivisions (creation of 5. or morettew parcels) to dei ray additional penses to district. ex the Polic e Protection Highway Coftldo"ri None. Study:: Arent;' The tonstructi'on of 92 triore tesiaences in the project area (1,5 now exist) 'would, Aight y' indtedse the d:emattd ,.. for services from tl;e Butte County Sheriffs Department. The area is riot r'egulor1.y patroiled, and rdaponae' time to the project site averages 1:0-40 minutes; dependittg upon the location of patrol vehicles No plans du'etontl.y exist for increasing lawt . _ he Vbrest Rant enfurcemPtt 'int h area: any residents,, decision- makers and Sherif?6 Department idministrdtots coneidee Lhe' d�.n've tresponse tittles itiiadequdte y 2y r ri gation None proposed. ,1 Fire Protection° . i hway Corridors None. ` Study Area: Development of the proposed project will increase the demand for services from the Butte County Fire DepartmentjCaliforifia Department of Forestry. Narrow unimproved roads constructed over difficult terrain will increase response times to f+iture. residences located in the more remote, areas of ' the ,project site. Response time may exceed 20 minutes for the fi"rst engine for, several locations in the eastern portions of the project, arn ea. The fire department cosiders a response time beyond 20 mi'nute's inadequate for effective, fire oppression. Mitigation: Future development in the area should implefnent all recommended standards by the BCFj'CDF for road and bridge design, construction materials;site preparation and maintenance, and installation of indivi°dual and/or community fine protection facil"sties. For fire prevention and structural safety, the fire department includes the following ' requiremen sjrecommendations, wn'ich could become conditions applied to'hu;ne builders at time of construction€. 1. A one-half inch spark arresting mesh screen be installed on chimneys for fireplaces and wo'odbarni' stoves; 2. Roofing and siding material:s shoUld by construct ed of 1 fire resistant materials' 3. Clear all flammable vegetation for M feetorotund all' r structuress Uciless erosion hazards are �:reated'; otherwise m:'dw grass and remove all 'dead fuel ah the ground from within 30 feet of L any structure; 46o'nstruct fuel breaks between hordes t i. es according r.o fire department speciftcatidns, 1 r rr' r r �8 71 i. ENERGY GONSTWTiON Highway Corr_---idor=' Nosignificant impact expected. Study After full buildout, project trai �'t,c will ,'Area: generate 1,070 trip ends per day; assuming an average of 40 trips ' per dwelling unit per day. Based upon an average trip Length of 13 miles, total, logged. mileage from project traffic woul�i amount to 13,910 miles ,per, day. If the mix of project vehicles averages 25 m.p.g•, project traffic would consume 556 gallons of fuel per day,, 202,940 gallons of gasoline and diesel' per yoar. This ,or consumption Would likely' `be les,s than 1.0 percent of the total vehicular fuel consucpption of county residents iii 19 9.5, and is not considered significant: The typical residence in Butte County consumes an average of - 15,065 kilowatt-hours annually. At full buildout pro 3ecr .. hours residences would use approximately 1.6 million kilowatt_ per year. Th�.s consumption ''.7ould amount to a very small' portion of the couttty in 1995, is Cotal residential us,eage ttjroughaut ,and not considered ai nificariC+ tion measures -ould include extra M j.,tigati6 ris MitigaM building insulation; use of solar energy for heating, and establa,shment b Butte County Transit Authority of:a busk rauti,.e between forest 'Ranch and Chico:, Individual subdiyis an project designs should conform to"passive solar access criteria specified in Section. 66473a of th , Subdivision; Map Act. J. RESOURCES t' _CULTURAL Highi4ay_ Corridor: A. professional archaeolbgist cohdtidt survey in the vcini ty o�;�the proposed road approaches and along ''aids highway 3'2 far several in both directions from existing road locations, No evidehce of prehistoric or" early historic act�Vit3,es were d ecavered';: The rep6tt States that o prelrtstor c remd'i s Mere expected due Co the lack of surface water within these areas. though tnto l Humboldt ;Road passed thAl e thro;Ugh this area of � y; encs of existence was olasdrved. Wagoh ruts from "this historic road exist no'rttt and 'south of, the project area, buc have likely been destroyed by the e pres'ehC highway on Che pro jcct site. 1Vo si gni ficarit impact is "C" expected from project imhlemeritation. t5 le Appendix for full text of archaeological report. 'None Miti aCio h proposed, StudP Area; S gni,ii,cant pre'his'Caric or early historic sites potentially exist ei se�iliere oh the proecC site, particula'r'ly alo►ig tho bank`s of LitCl:e Chta6 0t eek. Sites may clso exist' on 30 r r proximate bluffs or major drainage channels: rMiti ation: The County should require the com pletion Of archaeological surveys in sensitive axeas "' r 0 0 p division before any improyerrients are ini, a ed for land condition ► and as r of a p a pprova-1 for arcel and subdiv;Xsion maps. Mitigated Negative Declarations a_nd EI,Rs should, o F, cours.e,`, be required 1ahere,potential impacts appear significant: r VIII., EFFECTS DETEMMD NOVO B ` `' L' SIGNIFICANT 'Th e Eollowi.ng project effects uponthe =physical and urban, envi'ronment.s have been evaluated as ins $gnifcant, Thi' that adverse ,im s means pactt woul d be;of such low intensity; or magnitude that substantial mit;iga,Cion would not be required -'to reduce an acceptable Eh;em to level; however, in certain areas some mitigation measures Have been recommended r' minimal mpacts.-_ isimply to assure i of n v iew potential adverse cumulative, impacts., Effects Found Not Significant LGeology rSubsidence, volcanism and ex pansive soil hazards in: g y dor the h"i hwa '" corr and S udy Area. Rockslides and Landfalls in the highway corridor. 2. hydrology r Flooding and pollution of surface water txom,urbat runoff in the hi"hwa g y corridor-. 1 3. Air Quality D`egraaatirSn of ai'r quality in the hig} Way corridor rI Study Area and county, and r a ffic rAn increase in t raffic hazards and congestion in the hightmy' corridor ! 5- Noise rNoise lot'rusibb'Iri the Stud Area 31, 6. Public Se _mss a) Provisiones in the highway of utilities g , _ Q'r;1.'i,dn� and study Area. b) Increase in demand for polloe protection. ion 7 Ener Consumes Excessive a consumption an or off the project iergy site. $ . Cultural Resources D.ist.ur:banc.e of archacal resources: No evidence eologi the xesent o;f historic or pre-historic resources p _in highway corridor. SIGNIFICANT ENVIRONML' PROPOSAL ISy[,N'I'SD IT THE r ■', BE MITIGA'L'ED Acts: rould' be reduced in ';o eity imppatt The following adverse associated wiminated;h each y would b mitigation t►easures the iinpaae's y in the but could not be entirelynif�cant level, priitarily _. � at an �.ns st"il] occur, though " ig Study Area: 1, Exposure to seismic hazards: 2. Removal of native vegetation. g lents: destruction of'`rare and/or endan eyed p 3. Removal or 4. 5ai1 'erosion Prot► road an t e:develorment. erosion: Rocicf;alls and landslides in areas wit i steep slopes. 5. Exp osux`e to flood hazards along Little Chico Creek: S: wader Q uaiit► Lith e Chico Creek. C" bri of 7; RedGwti 'acent to highway 3: $: Noige intrusion ori land adl 1 g , ' pvercrowdini; of Chico area school's 1.0. Disti�rbanc e Of cultural resources: ' of unimproved roads %n study Area i ll net rior`ation 12- SCo' to arairiaga iri, the Study Area: '" ent,ta'altet p lanned land uses. �,3, Iriducem development. Those chaparral lying within the Central Butte Study Area (for, ti:'�ich a zoningareas ' s study is underway✓) ax°f.i 'those: areas near Oroville and to the southeast should be °roView.ed so the valuable chaparral ha bi at can be suitably p',rot�Wcted. The propose& highway connections are within arond-designated for Agricultural-Residential use (1-40 acres per' dwelling unit)> accounting for approxi;mately 265 acres of the project site,; the ratter adjoinsa large expanse o£ protected chgjrtxral (1,145' acres) which is'desig'nated Grazing 'and Open Land (minimum 40 ' acres per parcel). Loss of 265 acres of wildlife lmbitat would represent, about o.4% .of the estimated 64,000 acres o� Chaparral; in the , £oothi,.1 ls of Butte County. 4Jatershea values on Che project site; althoux,;h reduced by development, will be preserved to a great extent by natural, topographical constraints and prosect mitigation mea'sur'es (includipg implementation of ,recommended mitigations for General Plan land use categories and zoning: Certain sho t-term commitments of resource's will occur' during the construction phase, when: fuels, labor and building materials will be put to beneficial use«' In the longer Berm; energy for home heating and ttans partati.on trips between Chl�o and the project site will be us,ea o"n an ongoing basis. Scenic qualities of the site will also change—from natutd! chaparral to ' a ed chaparra and residential setting. XrIIo GROWTH-INDUCING IHPAC"iS Approval of � this. project could result n growth in several ways. The tax base of the County would increase `by the amount of the assessed valuation of the project, faith corresponing amounts ' ecoMing collectl.Ule.. r of takes b ' Future land di`vision's may be encouraged by approval of this project, although each p'roAect Mould have to be; evaluate 3 ridependently - Substantial topo'graphld- cb;ns_"��trait,, Otisti throughout the dkea, and mich of the land is currently, designated Grazing and Open Land', in the County General: Plan. Access is also seriously limited in'the9d canyon areas of the county: r %t V. Cokot&M NPAI CTS Traffic Impacts ' Mahy ;of the site related impacts would be reduced belota ,a significant adversity level by traject design, topographical. cdnstrain'ts, Caltrans t equirement!s an proposed Mitigabioii Measures. The present project Mould add another 107 ressdences � the area: tb other pro, edis planned in tete 34 r. The destinations of project residents will disperse projects genera.ted traffic throughout the Chico urban area. Si,tice the ' project ADT will amount to approximately 7' o£ `the total ADT itt. the eastern urban area of Chico, an increase in traffic hit-zaxds to other motorists, bicyclists and pedestrians should be minimal. Four other ro"'ects , have been, ro osed to the general P J. proposed viciity irlic Plann PA—Cf RezoSeFandeTei TentativeS bdi ision), (2) IsomcHall Tentative Subdivision, (3) "Bidwell Heights, (Specific flan, EA—C) and (4) Fo'uxteen Mile House (Tentative, 'Su,bdivtsionMap and Rezone). The total dwelling units planned forthese developments equal 641.. 'Buildout of the project site ��ou1d tnot:ease the total to 748dwellings. Assumin 2.61 p" g, g persons er huuoehold'{1980 Census), th.e cumulative buildout would, yield a total of 1 ,95 perso-is . Based on the asstimption that a dwelling unit would gerkrate an average of 10 trip ends per day, 748 units would result in ;',480 ADT on Highway 32 east of dMeo's urban area after full buildout (,addi.tional po;tent:al pro ,ject5 not included in catculations)c This would represent an inc"reas�: Of 74' above the maximum ADT (_4,300) estimated in the Chico, Area Transportation. St+ady, A traffic co,°$.4xltant to Butte County has Sugg that' unantici aced cwy ut,dti.ve increases to trK� ffic'vo).0 As%: P rtes OE this magni'tud(,s (or greater)along Highway 3`2, may potentially decrease the level of "service on HighTaay 1 32, increase trdf"ffc hazards and require additional highway and traffic control improvements at considerable cost to the City of "Chico, And:proper.ty owners served h Highway 32 (Refer to A ' endi.x:It" for TUll text of this y g.. y PP analysis.) The above :estimates represent a rrw:or`st cases' s'cena-rid r actual, buildout 4idy resulE '' n fat" fewer residencesi va-etherinore, high (10) tri a"ne">?nt Lott fatrtar was tis 1;YR' � p g ed for this' . b'doending on the socio-dco'nomic profile of prof ject resid is . growth of ">+orest stanch, development of in-agq transit and costs of fuel, trip, ends associated with eaPh edsidehce litay be closer, to i I seven,. A discussion of addittondl cumulative ih►pdcts may be fOtind in Appendix 'tG'' which i referenced l�esein as part of the Cumul:ati vi d Impdct6Sectior►. r ! Xv. ALTBRNA'rrvES TO TIiL PROi'OSED PRdtLCT pour tilt prrid tl.:ves to the proposed,,proji~ot "�rro evaluated,, itt' their attendant beheE.fts and costs. These are pree3eltteif below; r� i. No Project Alternah,Cive r Not building the project would,leave the property to Its present state, and have the following effects.: Benefits 'i (This alternative assumes a moratorium on furthdr parcel. and subdiwisio.'n map approvals.) 1. None of, the unavoidable or irreversible impacts on tle environment listed in Chag'ters'X and`XI would occas. pro ect would not corntribut The J e to regional cumulative impacts in these areas. Costs` 1. Theprci ject objective would not be' met. Tlie resources used, as well as reads, wells £ ire P equi meet and other improvements 'wuuld: receivess y le us'e than 'planned- b the applicant. Reduced Overall. Densit q Substantially reduced density,, either pith or iaithout clusterinK; tJoald have the Eolloing ffectsi 7,v e Bk,nefits Pr oect 3ttcr'ement' o 11. advarse i m acts uch such' Areasp �;iri as as air gtia;lity; visual aesthetics;. tra't,f„ic, Public services and utilities would be le,gg. ■ 2. Adv.ers impacts t'o the; ; .: P ysi,cal a' h nd biotic ehviro .tmene be would retia ted i;f minimum .lot size were fidrestsed toy 20' acres (ih the A"R p6ftiQns 'P c5 the Stiicly Arp'a) Go o;£fot+d a comparable degree of envirohmente,l rote; Costs.. developers c&It e,' d p r unit t�outd idc� aae if t1e same � level ci£ ametities attu mitigation measittes £oi sexices;' at►d; other im ects `fine P ��. � ... p�ot�ectiun� k'o�ad ma3;.hteii . dhLiey;; er . b§16 i control eEc; axe included. ; ) jb 1 P.1lI. AGENCIES. ORGANIZATIONS, PERSONS AND WCUHSNTS CON5ULxED Agencies ButteCount y Government Butte :County Planning 'Department Butte County Fire. Department%Cali:fornix Department of t'oxest.ry Butte, Count Public Wb'As D' Y apartment Butte County Air Pollutionoiitrol District Butte County Eno ;rortnental. lid It Departirierr Pacific Telephone r 1 Pacific Gas` & Electric Company California DePkithaent of Trans ort ` p ortati' California bepartment of Fish dnd Game - Chico Unified School District Documents � ' EIR for 14 Mile Abuse tilt fox' Bidwell Heights' Land, Deveiopraent (1982) tilt EIR for Chico Area hand Use Pian (:M2) � (�x is federal Highway Manual (1 965) BUtte Cbunty Gene"Tal i'ian Eieinehts 1 : Chico Urban' -Arta xrdrispbrEatioh Stud �19d2) Awn Urban 5tratd LY foY California 19 B - Pcr sots_ �ri�m Jok'erst, Botariicai Uottsul ant_ Jim Mc ng y ',Archaeological Considtant r ■ XVII. APPENDICES A. Initial Envirorunental Study "B. Botanical Survey 'Report �. C. Archaeological Survey Raport D. $.utte :County Laird Use Categories arid Zones E. Caltrans Correspondence and 'Schematics: F. Traffic Anal sis Com ut ions y p at G. Referenced �umulat Ve Impacts Studies �. H. Correspondence Received I ' APPENDIX F ENVIRbNMENTAL CHECKLIST FORM' (To be completed by Lead Agency) I. BACKGRQUND 1. Name of Proponent BUTTE' COUNTY 2. Address and Phone Number of Proponent: 7 County Center Drive (9'16') 534.4601 _Orovillei, California 95y65 3. Date. of Checklist submitted 4. Agency Requiring Clledklist. ;... 5". Name of Proposal, if arsplicable Public road corinectaris to _ State Highway 32 at Teri Mile House Rd.,, La Castana Dr. & Altatina ,nr. ENVIAONt4ENTAL IMPACTS (EXplanations°''of all "yes" and "maybe" answers are tequired i on attached sheets,. ) YES MAYBE NO Earthli W 11 the proposal result in significant: a a; Unstable earth conditi©ns or in ' 1structures? Chan Ps in Bolo a.c g'_ g g' sub b. bisruptions, displacements, com- pactiun or oveecovering of the o . .ph or ' 't p_ray round C4 Change in og g surface relief features? d.. Destruction, covering or modification of any unique geologic or, physical features?' " e: Inc rdase in wind or water erosion opt soils, either on or off Jw the site. Changes 3n deposition or erosion of beach sands', or` changes ili s7.i�ation, deposition or 'erasion, which ittay modify the channel of a' klVer bi stream or the bed of the ocoah or ah y bayinlet oz lake? A pendik V page 1 of w I I YE s ` MAXHE NO ,. g, Exposure ofpeople or property to eol,o ic. ;haza g. g rds such as earthquakesi. landslides, mudslides, ground failure, or similar hazards? g. 2. Air. Will the proposal result in: a. Substantial deterioration of -ambient air quality? b.,'1~he creation .of objectionable Odors? _ � c.Significant alteration of am air moveent, M moisture or ternpe1ature, or y anchang_ e in climate, es.ther locally or regionally? . 3. Water. Will the proposal result in substantial: a. Changes in currents, .or the course e or direction of water mo'Verflents? b. Changes in absorption rates„ drainage patterns, or, the rate and amount of surface water runoff? ' c, Alterations to the course or £low of flood -waters? d . Change in 'the amount of surf ace wa ', _ . Y ter in any water'bod ? e. Discharge into surface waters, or in any alterhtion of st kfa6,e w+Ater quality, including but not lAm'tea to temperature, dissol 6d oxygen or t+urbi'dit f . Alteration of the direction bit rate of f loW ofs g round water .. g. Chang, in the quantity of groirtid waters, either through direct additions or withdrawals; or thriough interception of ah acxuri fer by flits or e�-catrations? y d r) pe �' - page 2 6f 8 YES: MAYBE NO h: Reduction in the amount of water pt'herwise Available for public .water supplies? I Ex posure of people or property to water related',hazards Stich as flooding 4 Plant Life,.. Will thero o,sa1 P P r_su1 in substantial: ae Change in .the diversity of species, or number of any pecies of plants (Including trees eL shrubs, grass;, crops; mi croflors, and a uakic lants) g p ? b Reduction of the numbers or any unir{ua, are or endangered species of planta?' _ c Introduction of new spPr;es of plant.q into an atea, or in a Ajatrier to the normal re leni p shment of existing species? d Reduction in acreage: of any agricul.tttral t crop? 5. Animal, Life. Will the proposal result in Substantial' a. Change in the diversity of species, or ,I numbers: of any species of animalsbirds (birds, lana an"ima'ls including reptiles, fish ;;and shellfish, benth ,c 0' h sms,' insects or miorofa_una) b . ` Redaction of the' numbers of any unique y rare or endan ge+r'ed sped es of animals? C . Inttoducti, of new species of animals' into an area, or result i'n a barriero the migration or'movement of animals? d: Deterioration t ,existing fist or, wxl'cllife halaitat7 6. Noise. Will theL ;proposal ,t,esultin suFistantial i �. eases in noise leveler. b • Rposure p !� of eo 'fie to severe noise levels? pper�dix page 'MAYBE 'YES NO 7 . Light and Glare . Wil the �--� proposal a l Produce si9nifi:cant; light or glarA?prop 8 , Land Use;. Will th'e rjropo,salresult in a substantial alterati;on of the planned land use of "an area? 9. Natural Re.�ources_. Will the proposal result in substantial: ` a. Increase in the rate of use of any natural resources?� b:* <Depletiorl, of any, nonre'ne"viable natural resource? 10. 'pro 'iiwolve airi-,of Upset. Does the p ' sk of an explosion or the release of hazardous substances (including; but not limited to, oil ; pesticides; chemicals .or radiation) in i the event of an acr.idant or .:upset conditica? , 11. Population . 'will the >" pro `os t " y P _, p al siq Icantl y . 11 alter t:he location distribution, density, or growth rate of the human population .of, an area? l2. Housing. tiill theprop osal'significantly �. affect eXistirig housing, or Create ,a demand .for additional Rousing? 13. TransaL ort P '�' zon/Circulate, Will the proposal result in: a. Generation of substantial additional., vehicular mottement? Significant effects on existingparking facilities!; or demand for new p arkin? ; ({� IJ n Y Ci 8V stahtiai impact. upon ext sting transportation, systems, (�► d . 8 ": hificant alterations to present patterns of circulation`"or movement° of people and/or goods?' e• Alterations to 'Wate;rbtoene, rail br air ttaific+> Appehdix F' of .B � f k YES MAYBE N0 f . Ir.creaae in tr affic hazards,to motor, y estriansl vehicles,- bicyclists or ped L4, Public Services, Will the proposal have an effect upon, or result in a'subs ant al need'for'new or altered governmental services in any areas: of the followYng a. Fire protection? b . Police protections c. Schools?'R d. Parks or other 'recreational facilities? e . Maintenance of p'ubl,ic facilities; including roads? f-'4 Other governmental service's? 15. Energ .` Will the proposal result in: use ounts of fuel or osubstantial am �C. energy? Substantial increase in Cie , man. .a, upon existing' sources gf energy, o.r require the development of new sources of energy? Utilities . 11:11 'the proposal ,resulti iri a need for new Systems, or substantial 1 alterations to the fo,llowing utilities: a. Power or natural gas?° b, CammunicatJons systems. C . WateL•� d . Sewer' e . proposal resu].�. n - a: CreatA.on of any hlea1th'hazard or potential 'inernta`l health) 7 ' health h , 't �ekcluda ng b . Ekpbst�re o,f pea pX a toy potontt heGlth hazakds? — end X App a.. F' - p.. iof 5 8' I r 1. ubstantiall al ,ter of s ter • lldt The o `osal will n Ci Manned � proposal Y the e use of the area. Lar e 'lot zonin (minimum of 40 acres) is g g recommended for the areas zoned' A-2 (General) in Che' land; use: ra egory Grazing and Open Land, and zones requiring a ,minimum of 5 ;to 10,, acres is recommended for parcels zoned A-2 in,:the land use category Agricultural—Residential:. These lot s;l,tos would reflect the planned land use ofresidential and open `l;nnd. The a thin soils, lav" ;cap condition and bedrock near he W rface in places require urge parcel sizes Co accomodate septi, systems,' while • P P ,marginal erosion and fire ial devela,pment. hazards place additional onstraints res de ti 13a: As mentioned in item 2a,, about 45 parcels would initially, be' served by the three ,road confiections The amount oC traffic, generation by residences on these lots is°'"not expected to be great• and should be adequately' accomodated by Highway 32. Maximum buildout would p(it"ptiilly, generate a much greate"r volume of traffl.c,sub'stant ally.inereasi;rig the number of turning ' movements onto and from :Highway 32. Current traffic counts on Highway 32 In the area of the three proposed road connections show av(rage' :daily traffic (',ADT) " r.angi,ng from 1,500 to 20200 (1981. CALTRANSfigures): The peals month showed ADTe of 3,050i while the p oak- hour had a traffic count of. 360'. i d connections are not " t" t. th ee public roa ex c ed lac 13d• The r c e o n immeiiiate impact on iii twa 32i iioiaever as buildout e a' occurs f new circulation pa'tter;ns- may lie created as roads are constructed to connect with the existing private roadwayso f ht: distance (200+ All l3 of the 'road connectiZns have; good ' sig 'for Traffic feet)motor vehicles. hAzArdS will undoubtedly`, increase as ;a result of cuniudative increases of traffic volume on Highway 32 in, the Forest Ranch area, and increased turnisig,' m4vdmohts at, the proposed road connections 14as l' ib: Fublf;c services, will be affected as new r,eas ire opened, lip for residential use and development. The lack cif"' ,addquate public service's in the immediate area such as police and. fire protection may be a l mitirig factor to gkrow -h. }�esp'-6nse,' tames from tn` Forest Manch. Volunteer Fire Department and Butte' County/GDF W t Station are estimated aC 10-15 minutes just to the road con,�Facri.ons.+ The nearest other major public services are now oailable° in Chico. ' 15a: '--The proposal would itis"tease energy and fuel usage due to dto he entidl uses that would be established subsequent tnett res .the road connect approval of ions by the State Highway Gomniissiart' n _h Bolo ioal and histnr cal ALds may 6 is"t in 20: Significa t arc a g i y the areas that wou�.d be served by the road connectiottb, 'This` project tAil "hot ;directly affect piny Cecord,ed ar.cltae6 6gicel or� historicai site's in the areas jM mediately impacted by 'public', road improvemeYits. vli"tUte projarts Iii the atoad affected wiil .aten' �, 8 Aett' ix pp F pagP , 7.. c e require: archaeological surveys as part'., of the initin= review by the County Planning Department. Land divisions, neat Tittle Chico Creek would be an 3.nstance where an archaeological sUrvey should be performed to check for the existence of cultural resources and t $ n • o analyze the si nificance of Any resources discovered ' 21b: The provision of 'housing and economic bonofits to landowners ;and developers may adversely affecC L•liecounty's capabilitie's to provide necessary public services to sparsely populated rural areas. Conversion of open foothill land to urban;. t uses may, encourage adjacent landowners to take, similar actions, resulting in'sprawl growth along a major highway, corridor. 21 Several ro'ects inc eluding the P J , g present one, Have 'been proposed in: foothill areas that would depend on ftighway 32 for primary access to their sites. The cumulative effects of these and future developments may adversely affect the aevel o£ service. and 'traffic safety of Highway 32 t, Aendik = Page Id of, 8 pp d IV: DETERMINATION leted b Che Lead A`ency) (To m be, c,o p _ Y Qh he basis of this initial evaluation:: r G7 I find the proposed ro'ect COULD NQT h g p p p j, ave a si nifcant. effect on the environment;, and a NEGATIVE DECLARATION r i is, r ecommend'ed . Q° Irfind that although the proposed ,project could have e significant effect on the environment, there will not 'thke i be_; ai nifcant effect in this- case because g mitigation me,asbr es described on the attached sheet have been added to the project, rA NEGATIVE DEGLARATI.ON IS RECOMIMENDED. find the proposed project MAY have a' significant, effect on the .tnv'ironment,i and an. LNVT} ONMI NTAL IMPACT REPORT is required. r Date Signature r BUTTE COUNTY PLANNING DEPARTMENT Revie�ted bY: r r' rr r r r _ w Appe�+rlist r __ Sec. 24-G>z A-2 zon for unincorporated areas ,got atherwise i zoned. arca of the Count of Butte nat All the ;unincorporated Y i otherwise zoned by ordinance of the board of supervisors is hereby zoned as. an A; 2 district, as such district, is def itied and subject to +he regulations contained in section 24-Gfi of ithis article. (Ord. No: 1750, § 1, 8-31-76) Sec. 24-G6: A-2 (General) 'Lone. i (;a) Uses permitted: All uses except those for which, a use p ' .ed under [paragraph] (b) below are per- ermit i - requu mittrd. (b) [Uses reg ti•rijtg we pottnitsr] The following uses are permitted subjecE to securing:a use ineach case: (.1) Junkyards, secondhand stores, auto tvrccking yards, used car lots, trailer sales and equipment sales; (2) Cutttmeical ctistillatioi of bones, abattoirs, aid£idn yards, commercial-livestocl: feed yards, commercial i millings, eannerios,,lumber and lumber processing, tan- neries, W. rendering, garbage -fed commercial hog rais- r ing; food and agriculture product, proeessing plants; (3) Country .clubs, golf courses,; racetracks, drive-ins, ball mcial a, riding academies, bowling alleys, comer Park i' es to,dance halls 1r "ria other amusement an tet 'pits , daces of recreation of a similar dharacter; (4) T{ennels and small an'iM111, hospitals and crematories;, (5) Trailer courts,; consi:ruction labol ,camps; (G) Commercial airports (excepting i idividtaal or ;private ait pdrtis and those operated exclusively for agricultural purposes}; ,; (7) Cernete lies, d_feriiatories, mausole tms or other places a1 of the human dead ; for the burial of oth er dispos" (g) Stam of inflammables (excepfing for agricultural purposes) 9 l�umpin and dis osal a`re (� p as; (10) lilahttfadtdring of acids, dkplosiyes, fdrtil z r,'g1ue, gyp - Stam llrne lastdr df arts; pulp acid liaper, bet ti s►I I . rp. P cruslhed rock; sand a�td gravel, cement, concrete and/o' asphalt batching plants, concrete and clay products; and (11) ;Indust'i:i,l u`se's which might be objectionably by rea- son of ;emission of noise, offensive odor, stroke, dust; . brtght ;hgbt; r!tbratton` or � an �... n'volvtng the f e 1 PI N, 8, or dao dMils materials. {(lyd. Noah?50 p $ g -31-7G) '5eds� 24-G7, �2'd�68: �teserve'd: Sec.24-Xfi3. TAi=40 (Timber I1'Iaun.tain) Zone, �. (a) Usea permitted: (1) One single-familydwelliitfi per parcel, includ * 1116b le :homes; (2) 117anagement; .raising, harvesting ;and removal of trees, shrubs, seedlings, PONN: ers, herbs and .all fold crows fa;• human or animal consumption ; (3) Xoeping and raising small attamals for d'om stili use, including dogs, cats, .and household pets, potiltry and ' other birds, bees, fish and frogs; - - 4. Kee iri raisin and " asturiit o.f cattle; horses, sheep,- ) p 8; g p g goats, hogs or other livestock, rdrovided that no .more than 6vo (2) such animals be kept per acre ori parcels" of less than 'five (6') acres and no more than 'four (4) such animals be kept per acre on parcels of fire (6) ' :acres or more; (5) Prospecting, claiming, drilling, mining, exeavating and dredging of, Mineral, hydrocarbon and geotheyrnial re- �' sources, except as liMited `itt paragraph (b) belo�y0 (6)_Protection of land and fo"nests froth fires erosion, floods, slides;",quakes, insects, diseases and pollution, including ',' p arboretums and natural l� tlderness, experimental and study areas;,'_. (7): Di"splay and sale of products of agricultural uses acid `on home arts' and crafts 17rod1tced the premises; '°'"�""(8) Accessory uses, improvements aid structures cu'stamaiy and pertinent to permitted uses except as limited, iii ara rah b below► i ncltiding guesthouses; bar tis, P g p sheds; shops, garages and storage areas. (b) [Usesttse perntit51The following uses [Are] permitted subyect. to first securing a use, permit, in each case; (1), Residential uses other than one ;sttigle�. ThIJly dwelling per parcel or one single4artiily d8velling per, forty (40) acres for T4s -40, including labor camps, Cornmercial guest lodging; group qudrters or di ffig units at greater densities; (2) Csamttte'rcial tivood processing plants; (3)'' CrtMrriercial kennels and animal ltospittls; Cortiniercial livestock � ck feed yards, , (6) Animal product processing plants; M l4fWit quarrying' and e�tcaVating ;activiE es "which Migltt be objectionable: by` reason of noise, odor, aMoke, dust, 'bright lights„vibration, stream pollu"tio'n or liana � dling, of a pl0 MM or dangerous Mates ials; .c. (7) Commercial boat ram s; docks anti landing facilities 1? _ _ (8) Aircraft landing facilities ea (9) Disposal'ar s and sewage treatment facilities; �. (10) Public and quasi-public uses including,SO pools, paths ; playgrounds, recreational facilities, utility system struc- tures, meeting halls, hospitals, libraries, tiuseums,-pv r(11) ernmen t'offices and similar uses; Private'.or commercial outdoor recreatibn facilities mt sites of not less than five (5) acres, including country clubs, golf courses, riding academies and.stables hunt 1 ing and ;fishing camps and other clubs, and gun tittbs and ranges. (c) Lot area:' Mi 'm- required area of e. lot,pe dwelling unit shall not be less than forty (40) acres for TIyf40, (d) Loi wide h required: Minimum required lot width shall e not be le Ss than sixty-five (65) feet. (e) Front yard required; 'Minimum required front building setback shall be not less than fifty (50) feet from the center lime of 'the, road, except where the road isclassiffed by the county as a Fede"cal Aid Secondary Road, th.e nihiitnum re: quired front building setback. shall. be not. less than fifty-five (5) feet from f r d.. . . f Silo yard re ui'red:1 M n� ume e Ui id l i) y q m r quired side butld;ng setback hall be notless than twenty-five (25) feet for' TI12-40. (g.) Rear yard �•egztred: Minimum required rear building., setback shall be not ,less than fifty (50) feet for tM 40. (t7rd, No: ]750,, § 1, ii-31LU)` ' Secs. 24; 184 24.185. 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FYGURE [' .'.f�r ♦ {., - �1 ♦ �� I ��.a �•'� I� r:.l a1 M' 4. rqr �♦ a• J i �ai if r,�1y� i � � 4 �._+ t ° }< »r Ytn•tl- i lit =r �� krr }ra`lj�irf•1 i' �:�•aji` )1"`f }s/ • ���� `ty1 l55' � I l la L ♦ _ �.... � l , r y.y�"r * � �*{ y�'l>Y�♦ a� I �, i � v� sr' 1 Yj^V`' r .,{� c, � r✓w 1 Vl. " � y f' � + ��' f i. �+ l ' r % /l✓ E• ;.rl �.• , ! r i i1 Y� i �° r el f � rl ♦ t ( * �a tk � , jur w � � J +a `•� l 1 1 ,,���rY`t ,y* i.:( � E lr� r (r �� y 'r, • t �`.+: • `Jy/r • cli ♦i il? rrl IY +�� .y fi s �:r+r.''Sr'•�,.IC J•< L IoL r 4,*.' i lra 1 \y�aar.�ti+�y .y� li 47.11 �1! `���• lri �t`1.�IJi U♦try t a t -i r F �.� q{'ii1'�✓ '+r •.!\i QU�01J 1 Ah'.t:1'1 cc++ yrrti+.,�. „ ♦ ,ff /�';�}rr ell! �- l •. rr1Y�aJ, if} i jY (�(p. j�/�ryry/� p hh�y��4�� 14U1 j f. f • cil +J, r yiy�r'..+ ., 1i r* ).t• j♦ tf + f� J 1t .IV PL iLUC (vQHV r. YF, Jf y iia yI� � {�, r t7♦ � 1,. r y 1 a ,r .'1*' +1► t!. 'Y r�.y�f�V yr��}� t+y.� )r ♦'r1ZC1�:: .ir' '• ,kl rS '�`� /r.L�♦ �` ''! + t f• (jt ++, ` trr�l. �}if LIVNJ LUL1 F1[..rROVGU �lC IJ�Li.7 r i r J !�! V�} t� 1 ) (�-�✓ • J 4 • 1' 1 �R i f> x• .iyi:;. t a Y ri •a til �'7 ,' L ta. ,. Y x 14 i r•'•-+.+y a q'ry *y.l e r :L 1. * „'d G , !✓ �' , � J :i<, r 1 r Y � r 1 r✓ �' �' 1 r as f+� llG I * "y* �YY lY. Yr� � y _JI ♦ a it • r5 - i5 5 M y PUBL C' ROAD WEc ION _r .. i Wriabl�, (ir120' pl :. . � :' S �Iu •SIIyr IIM,r Ni• r yq Edgi at Tio,tied Way q0 - r Eoi of r �q, 'r T)areled War' RiVdilabip ci I r , .PRIVATE ROAD INI SECTION White 5111P ipeheelorltio " p,i7hin �j - 5otladn y SII �' pronpi Stilyee r All to 4,p" lecrtted O,IbI biKE. � � ` ,r,� � s rr 164tenwni codiW nnl a I Q25r 4'. dpyi `Variable P 2"a� ail 6` 1� loq eeie. • •� �• e' ,. '•0 Rallr ai ilopi' II `"`� C S• Fill lino earrpaci i.ilh ucuroleb - huleriai to I' dl alit 2'a4•i3'•6 Sooui pp2'�j' bl1'd O,i2`r>fa WaitCda� 31 2'ICA41.6' 1= 0,5.OIKL a • ui ..1 VIEN, 0261 b4 m_ , t.S3ti3We au1� e, , .,t ',.. TYpE�11f GARRICAbE ord com cl 6UA eaearolia.' or Yr' mal«ral la iop ai,aiu Cdnpael NOTE i� Rarll incl Iroiht lSt,e tiUeciorite4 in -r ►.,' A C bpatnil eewralid ldee ai Wipet WlriIt imghl twi&d to thiel ovOi4thin b wlhdati eani/ irii6J bope.. 4 r. UYi%* moo -too parse iahtohand cbt walhin4l ldmbir dimen.loni: 5i..,Ider J �� in.l `"'"""'� STATE 0r,ddLlkOhNid 0 51 DIKE TYPE'B bUSINdt MCI jNAry5 0irAilON Adthty Gee 164 Gmmt coaiednolle far 1411goInp 2."atl"hotlio6falboaid io�'Pi4 vi liedi pato Ge► ei ipofet }0 �4".3'Lrop 1CiiL a iw iielulhp 2 2 h6.60i1om OEpARTME:NT pF TpAw$ ojftAT10k WUdisii. EM, SARRICADL bIKE8 ANO SLG rlOrls .,ROAb.,INTE ,aza i I w ^ . DESIGN SPEED M,P:H. STOPPING, SIGHT DISTANCE FEEL Vor" q.:^i C - �- MINIMUM STOPPNG SIGHT"DISTANCE aQ 200 40- SO 275 360 Rs120' 60 415, Raz` too R•I 20' � �Sight s7 t. t ?m a7 �� Encroachmonts limited to this t•h' e f , o., • y..••�e� >� ` —j L— .`t .. �,•,. .. ,.i""I:.u�l1...''tri...''�1.j`'.u��adki�Q��:=�+�t...aV,•y'I�iC�'t��i�L _. / h, Encronchmehts limited to this Sight Uhs e o, ry! R • 32s I f =01ded votilcio"is assumed"2p tohg. MINIMUM STOPPING SIGHT DISTANCE; c C, 1-4 10 t ✓♦ w i - 1 CALCUL CAPACITY AND SERV ICE' VOLUMES �OR TWO LANE HICl WAYS ATED _ WITHOUT ACCESS, CONTROL tHighway Capacity C= capacity of two-lane highway, 'both' dineGttons 0=2,000We Tc 2,000= ideal capacity (per hour) of a two-lane hi�;itway, both directions We=lane an s, ou er width=-as-.qYime and widths=l2 fet�, shoulder ' aced We =.96* w 0a th= 4 feet level of service B. Calcul TG=Truck adjustment '£actor --percent of total traE£ie volume in trucks and ,type"of e.rrAin. Assume truck traf is=6� of total '*r*o*ljng" t'exi�ain, and levels of ser"vice B and C traffic volume, Calculated Tc=.81 _ _ C~2 OQO rpp.309-313. iii Hi"hwa Ca acit Manual (:1965)j Based- on formulas citedg P Y *Table 10.8 iii Highw'-. ay Capacity, ;Manual. - *Table 10 9b in Ili ghva Capacity Manual. , 1 ' SERVYCE' VOLUME ,, S�= Sei:vice Von s:;�tte SV=C v c (Wt: /W i (T /T C ) C L eValling c6nditns: C=capacity determined under pri.o CiL S'ssiho,ur. bo directions volute t6capacity Asauie passing sight ;distance -60% of 'maximum (900 feet), r to6r ing value fo11 r restricted average highway speed=8Q mph, level of service 13; operating s0e:led 150 mph. - Calculated v/C=:30 WL/4tC= :g6 Th%TC= .;$1 �, . t gfti� (8.712 AbT). r, .`liou � SV=1,,y555(,30x.,96X.8 j 36:2 a�terage �' _ r r r r r. r rAPPENDIX G 1. REhERENCED C. _ UMULATIVE IMPACT STUDIES rAPPENDICES TO ATTACHED Ella FOR CANYON PARK ESTATES 11, -- - EIR FOR FOURTEEN MILE iiOUSE PA—C SIR R VOk 1 1 1 '1 1 r I J I CUMULATIVE IMPACTS »y !� Site-related environmentlal 'impact 15" been reduced b� a' level of significance'. through � low g prof however, is concerned about the cumuect :design. Butte Cot�tity latibe impact's of"a number Of developments proposed between Forest ;Ranch and Chico because f bud etar constraint g Y s upon Count services, Y Ce A review of projects underconsideration in 1980 indicated that the County approved only 11 of 5 parcel slits proposed for the general area. Currently, however, there are at beast 3 major proposals I under review or in'Pr egaration: Canyonarlc': kstateS proposes 109 units on 1,,100± acres. (ser. Figure 5 j with primary access onto'Humboldt Road, 800 feet west of its inter- se,a�io;n with H: ghway 32 � This Project is a planned area cluster and will have community water and seW4ge disposal systems: Two other proj,ects;, Isom-Hall and BlOwel Heighf , are still in the design sta e. The �� g Isom-:Hall sand project proposes 110-125 lots with access to Highway 32 via Santcs Way and presumably will also; have communi, y water and seever systems. The Bidwell Heights proposal is in an earlier stage of, design with a potential for 250-;500 lwellin g una.ts plus a small commercial store. This ro os�l l wall include a fire station with 16 2' fire engines' a department to assist infer olunteer fire eiing a critical need as development proceeds in the Doe 'Mill Ridge area. The access provided by Bidwell Heights may induce growth of an additional 200 or more dwelling'. units ,' ' The contribution to cumulative impacts of. 21 'ttni is in the Fourteen htile House _project i -2;4� of the poi-ental 500-` 1, 000 lots props sed between Pct,,o t Ranch and Chico:: The ' com- munity sewer and ;`iter districts and volunteer fire department' will Rreduce some' Impacts u�1on County services, although no proposals are eVident to redude impacts' upon the ' department: sheriff's ji stabl'ishmerit of numerous wat,tj sewer and other, special dist""rids or homeowners associations throughout the county oan pose some potential problems, State and local health officials need firm t assuranrres that ro 6r,j p p y qualified, ceµtificateci n- divduals a.re in charge of sewer and water systems and that funds arc available for proper maintenance and ;accessory s i-epaYrs or sepia"seinen s If th1s cannot be gt�a,rant�eed; the county cou]d acquire legal and .fiscal l sbilitiies for any deficiencies or ,stem failures: ` Fte;commended bi__ it' � dons ,, I a at Butte Couizty shoufd establish benefit (iinpaat) assessment the county aind orecompanies�iretxYnedhy oversee contract employees ", to prow de serV ices to the various sz�ecia di,8't lcts , . ,. l r t I , 14 MU e oiCSe pA,-C E1k; 32-42 (,�Car,.ch 1982]' I .� '•,1"r_ J - a^,�1,. 1 11x1 , ti y y 1 r �' r -' � • M"�•�....... 1 � ... Y ir-• " \ r .1 � �lY,a � ,.'F•.1"' J � i ar. .. r { . r .l a ll a ,r *C, . - i •�1 r an i't.ofo0t�1 G�' 1 •PROJECT SITE a rn>t 1, Y ^G .' 1 ; ,: r �`Y �, 1' '• f-nm. Nlr• �1 - � � a• ,�' JET ' ,° i-r �� r - � 1 f ^ � ;Jq , �1 a Foutle�Y:tplh }IquM+ � -� � Ii � l5+ t ► x J I + Stx IJ y • ,1411` "• x i 'I � l i� i J r � 'i� r ' 2a 1 Y,, T?a • Y +, • o ► ! Y a aL. y •4.r � " ,� i� WckoLS jai �r 1 :�• 1 r � ABN I770 '' �'. iC � .�^..• ��1 f•, !! � 2 r f 1 , f.� _Y Y. .,r.'28 �a t il�:1'� I `�.� r�. fir' �' . f ^ ,. i �� i... :y a $ �•' - t� {1 y a " t 1. �� r' ! i r �' � r 1^ � t' '�•.�, i,rlilY'�' Y• � •S. i l 1• . J 1 t : 11 ! r .tiV L "III1.4 J t ! . .�•,. HE�1fOR11 +;C•m r i •�+r , C ti. �: n rl.:.,.ti . ; .3`a .laid ►': t3� :t •� Y i13l` �y, i .• . ]yMa� : 1, rl a� �,J; • 1 - 34 Nor t—"•� ►. Y r,�� S pl i `� :It1 (,� a` J" . l 1�� y• , ;" 4 ,r 1 ' . Y .. � 1 �� Oxy •" .,,� �y� • ��+�'� V� "��ITi �r4 S l`�tpj), !•. 1• ��' � � _�1' !^ � ? 1 ,f r a � rY� i �•? k1c. ilk III c 0.1 7I�Il '� ry �' .V x xy•+�xa �� 1Nt - L y,I `� ��MV,:j•+''1J :�. .''GJ a,C. a. '..}.p.J -1 r �i..• �:.. x �.. a. c. . . � � ' 1 ' •\L !`Y` � r It ++ r • 1 , ei 11 t Y ., �Pd io .. f� " '►9 �t �•--,� u r 1 �"�,u a ,• r •+.�` i rK /� ��((.� tri rf Y ' aE�°f .f, ,,,Yl "�^•Ttii �r '" i �Ir� �� a vr��',: y Gaa tY-t � + rJ'l[ Ix .�:�.�C•T-+`Yns. r, «'ir i Jw dY! pS,{ x. .lx4s. �rt,.,cr'i•./1'°r Yy,y, .y ^�`1 L.1;� i"?+'y' t'. ; •" c {�"c p R Q'� O'i E b D E V L O P Pr1 N `' S 11i 'tJ� Ply ia►n .'f p "J'i�.� Kr ' iT 1. t �i rr r y Y S �i J fiYpa II 4� IiN Tt-1'5 PR0, ECT AREA UN .. � Y{ "r"' yt r+" ft u, f'r tr �r'wyi�' 'w•' � ? ��Z •' �� 1t 1 i a� erre+ W 1aur'A 1, 10 -J J l kjit Jf 'A 1, i3 Yr LY l« (iy %Ix Y h 4'. i r ` 1 r r'A` ihrrx �l yxrr► MiLE`s r rY r f N i r r r < Y51S 0C 1MPACTs AN < la project impacts generally fa11 into th oo catecloric.s: r1) Constrtc:ton related. l'hc�tir ari: im1)�t4 is which w0ul�l iv "ties; rctiult rom road and homes to corwr.►uc:t n u,tet ,. i..e, vc �.-tati.on remova �c.cltgc:t�tati b 1 acid cro�sion/ ' oto. r2) Travel related. These io►paCts would �•rsitlt Eron travel to and from the development ave: the; l iCc, bt the pro- ject, i.e., gasol rid mobile -ine consumption aair pol= r'. 1utan't emissions IS 3) Habitation related. These are int"pacts whit -It would roc.c"ur due, to the presence of increased n�inih+rt"s o people on the. project site,. They, al wou.Lil oc�,-4, r fii( az•c; tic4na'titl over the life of the project: Ued' r for public: services,• domestic energy, and water; exposure to is lta_aras sewage disposal capacity; �;eolo and specific public health problems (mosyu.itoes, r ' 7 P d- erm ec s rattlesnakes etc. and long on tivll ) g� t • life; r In the opinion of the report writers, each of these lin be reduc.e3 to :a level of insignificance for tliispro-' pacts can j ect by implementing' the mitigation measures inLttided e,arliet' in thzs report, Some'however, cannot be totall-y avoided (sCe' rprevious page) These individually minor' impacts tale oti much ,i;t`ca>`er r significance when cons"idered on a cumulative basis. Low ''.in root- ' ntial development i5 widespreadthe - density reside It his type of hills of Butte Colitit'y, and taken ,s 6L thole; hi significant impacts related to erossoft r ;a development creates sedimentation loss of wildlife habitat, detnaitd for publirr service,a (especially police and fire protcCtion) s �xnd trims- I't portati'0n .relayed energy consumptionand "air pollution: r' should be noted that most of these Imparts would occur 's o -f w}iere residential developittent occurs, but the gargles lovel of significance is generally much lower in an ut•han r area: 'A 1l mitigation measures itri: typiLall�`' ttior,o 1. �_, - ,, are as a stied ut ban ,easily appl-led o.r enforced �,n est bl,. ,r ti sats e 81- 1' (:NovetttbOt 1'"9$ Canyon 'park �t$Ilt;' 0'�` r I • U.5 ti such as the applicant's market study, caud be ci�'i_call• re ue p sted`, As to the question' of "le'tpfxo ; ddve1opment"' y q ' this 'project is not really an urban residential pro eco It-` l certaihl `Mould extend the otenti°al residentia y P _ . 1 lois to the ,east of Chico., In one sense, it represents an extension of the. relatively remote homesites in the Stilson Canyon area. V. Roads - The road locations are shoWt! on the plot ;plan_. Emergencyaccess routes are dis:o delineated: The' -Main roads would be paved to a width of 20 feet and the minor, roa=ds would -`have; a pavement Width of 16 feet. `4aintenance of the roads would b e b;y the Ho neotvr er's Association. . VI. Aesthetics - The HIR and the S ecifc Plan addmr-e��s-�-- P y the archi ectu t' rat 'control that will be part ;of the �iomeoc�izier's Association. Mitli:,gation measures/do nditions will also be in ' to retain natural vegetation; especially in `the open space dreat. -- A dis-cuss on of the vie�ished is contained on page 23 bf ti ie EIR; Cumulative Effects of'Allpro.''ects in Ate The j ,. . following ;is quotedfrom th',e draft EIR for t'he Fourteen Mile .House - Rezone located on a 16 81 plus of -'inus acz`e site ad.,acent,t6 Highway about 14 miles northeast of Chico. A draft document was prepared` for the. County o f Butte by ,eco-Analysitso f Chico "Currently, hoWever; there are at least three major proposals under review a'r in preparat;ion.' Canyon park'stlates prop°uses 109 units on 1'100`plus` a'r, minus acres ,see Figure ^with primary access ontriurtboldt Road, 800 feet west o£ its inter"secti�on with 41ghway2 This project "s a p'idnned area 'Cluster and will have community water and setrage disposal systems' Thio other projects, Isom -fall and '6i1 i I f v I B. Parr--Terrill 'Rezone ERD Log # 78-08-31-01 (April 1980) Thisroject is an amendment of the Butte County General. P _ Plan and a proposed rezoning of 120 acnes in LIttle Chico Creek Canyon three miles south'of ForestSRanch, The changes would redlassify the property from Grazing and ' Open Land to Agricultural `'Residential with zon;Grig of TM�140 10. The project would A 1 ow going ta` TM- • _ 12; tern acre parcels. The, Expected 'Envi;ronrnental Effects are (Page 33 of EIA) 1. Tncreased intensa y of land use; 2. Modification of the undevelo,ged, wildland character of the area, 3. Encroachment an wildlife habitat; R.E Loss, of native vegetation and open lands 5, To,pograph:ic alteration of the site upon development 'homes; of roads acid - - r T C. Un-Named Isom-Hall Proje t once The prop rn�.ng project erty owner was contacted c w details and timing. No definite plans>'have been formulated, but for discussidn purposes, between i10-125 honesites Wo uld be<approprate� Actual densities would be dependent` upon the en ,itonniental constraints, Ivo pro,�ect planning is currah, i;ly tirade similarity to Tway bit t. because' of its the subject property impacts _are e.�pected to resemble the impacts 'for'Canyon Park Estates x (Page 30 EIR,� ' is Structures on the site would be subject to`eartbquake ground shaking; to-'tnwater r inoff�-ero.sioti would increase; S, x t i l i This list of comm on e'ffec'ts , over time, may include signif i-- cant effects, depending, upon the cumulative SQVOtity'of each one: To reasonably assess this severi y, anestiinate o' the maximum 'probable number of units is required. spon For purposes of thiassessment, the ,est-imate is based u the following: ' 1. All properties south of Forest Ranch will be developed to the maximum' density allowedby zoning and, the General p' Plan; except for thosepro-jec's which have submitted definite proposals conforming to existing zoning. and General Plan designations. However, it hound be noted that with topography �f less than 20-301 slope may be certain areas rote reted as A ricultural Residential in terms of ' g l µ 4'0 a t/ du) General Plan conformity. son Act ntracts wi11 have: no 2 . Prope.rtie'si subject to 3V'i11iamCo development. ' esu'1ts der'i g Ve With these criteria, e� o lowin r ; 1, ' . tiAXIhiUIti ' PROPERTY DESCRIPTION SIzE UNITS. - ac.' 1;0 Canyon Park' 11009 Hei ht' 1.200 ac i 385 Bidwell g Isom Halls 980 ac+ 45 Terrill Parr 120 ac; ', 1 4 Mi'l'e House's 168 ac 21 4'00 ac ; in AR (tet in X00 ac 400 ` `Villiamson Act ; coined A-2 y d 6400 ac. in an Other lot in gran g 160 open and` TOTAL OMT8 1132 n ces s nation Isom;-Nall rr4� pct; req.u� res chnQe in Gnera Plan.. g. 10 ment Open Land: 14 Mile mouse prof ect for leve p of Grazing and of 21 residences on top of a `ridge, Gan be xn`terpreted as having an Agricultural Resi3eri*iz1 desigtl2tion and, �therefoxei in CO'n foi•mthe 1 Plaity with 'Gene"ran. : U • . i is ✓ i Projects with lots of less than 40 acres would not create significant impacts' if the lots are clustered, access to 'the hab _ p rs is maintained and some stat and r� arian dorrido form of domestic animal ,control is incorporated into the 'project, such as was done i' the Canyon Park and 14, Mile House designs. (See i.re Fbal 'Testimony Froze Plf.nning Director re: Discussions with Department of rish and Game Personnel -Board ofSupervisors Meeting, May`�.8;,J982) - The Bidwell Heightsproject is still undergoing project. ' review, and mitigat-ions can be incorporated into the project. Isom-' Hall has not been designed, but also could.'incor-, poste adedsate mitigations: The A-2,tYoiagh it could. contain 400parcels, actually contains '32 parcels at,,preseft: If ' the area is not rezoned, froit the current `A-;21: the potential habitat 'reduction is very sgnifc for wild] ,i ant . fe h Eros ion 2 , Th,e pOtential f'or erosion is great, but can be mitigated to a level of -i nsi'gnifican��e with proper site design; stan- dard soil 'protectio actices and enforcement of existing n pr County bu;lYding code requirements for grading permits, 3 Traf f'c on Highway 32 At 7 trips %clay%unit', a 'total t'r%;p generation ' ADT ioul.d resrilt, Added to the: Ox sung level of 2000 ADT; a total of approximately 11;000 ADT would exist. Given.that Cal Trans estimates (dOhservativelyj the capacity of Highaiay 82 to be 5,000 ADT, no siriafieant 'impact to Highway, 32 traffic is, anticipated although a slight reduction in .level '' of service may occur -"t some intersections 10-- t developments (i.e. non-con.tibuous`to other County Develop- ' ments) such .as Canyon'Park Estates and the adjoinigg pro- pos?ls will cause even more severe constra-.nts r Piro nu on of Police and fire, services con'ntywide can be ' avoided, and severallapproaches are feasible, And probably warranted, given the- diversity of situations throughout the County., Detailed study of this problem should begin immediately; and in the meantime,, alh ;projects" should; As Pra � .,.de these s erviaes internally; or, Ly triGtS. , B.. Participate in Commugi, Service Dis ine 'Hazad 6. Fr In addition to the provision of fire suppression; as noted above, the 'thi'gh to extreme'' fire hazard rating for this area of the; County, mandates a.dditi. nal,'fire prevention techniques. Failure to require these features in all _ ' crease "the potential for eloss of life delo menu would �n p cission of f.re protection in the and; property. t`See dis, Specific Plan far, Canyon Park', tstates for Potential Te.c'h-• r a r ,r 10-- x, f' Additional discussion of the cumulative effects of rarea development inth'e Doe Mill/Little' Chico Creek Canyon of Butte Cou°7nty can be found on the following pages of the Canyon Park EIR: Page Discussion Impact summary, and I cumulat;i ve s ig:� f i,cance of all Foothill Development ;.4 List of developments underway or approved - when original "EIA was written (hov.i 198;0) 25 Cumulative effect on fire protectijon 27 Cur,tul'at' effect on Sheriffs Department Zg Cumulative effect.ron energy demand 31 Analysis of impacts and cumulative -- sign.ficancre. , 7 Supplgme.nt to,EIR - Revised April 1982 A ma showing the location of the''projects addressed in IS discuss -ion a attached. The area shown focuses on the Little Chico Creek watershed. Laird division activity in Section 36 east of C ighw�ay 32 and north AP 56-05-3b, 4 ' of'Ipom=Hall; incluaes tentative pareei,mgps on , b1' .w 65 The `e;oard will be considering 4h appeal for ;Marino 60; nd : Garbis, on one of these parcel, on ,lune l5, 1:982'i Lattd d.visson activity to th'e east of the' Bidwell Heights pro.ec't Inc a ' hclude's the Ski , 1i Stibdivision (Bnvironmen'ta1 Development iritci 10 parcels of ll73 acres and subsequent to divide 675 a;c"res - on 4 .`of th di'viions or pro ose; p4rce�.s.'y o,,'a ls9 p „ Recommended Mitigations Enforcement of these provisions' wouldsubject aIl constric- tion grading to County review` and help eliminate some of', tl�i , less des�.rable ractice., which 1 p � ead to excess ercision. Additional policies can be established which require standardized soil protection pract-ices for all 'ecuq ,now rod p that are subject to Count" review. y 3. Traffic Although the .potential increase in "traffic, volume from, known development proposals is significant it need,,not create adverse impacts since,Highway 32 has adequate roadway capacity, Specific intersection improvements, hoWever, may be"ne°"cessary. Canyon Park has access onto'Humboldt Road and the developers Will improve-the intersection, of Humboldt and Highway 3w to provide for safde-access. The majority` of the,other unit:§' proposed for development will use'Santos Way foh access. Required Mitigation y A left turn ;pocket and accel.eratiori�deceleration lane must be provided, for safe access at the intersection of Santos Way ;and other access points along Highway 32. 1 4. Loss of Open Space Loss of open: space is sign iliaant'When there are ma�o: in redlldtions visual quality, wildlife habitat and populations, or ix► the poteriti'al to meet future or planning obid production needs. ' Since most of the area has limited potential for economic product"ion of food, eg., beef production, because dt trans por= tation costs ` and `limited soils`, th:e major prob•Lems are redt�c- tion in visual quality, and wildlife populations. An obvious' solution is 'the 'clustering of buildings out of view: Clustering. also, provides for greater' expahses; of open; space; reducing Sin- pact§ upon wa ldlife i�abitat and" wildlit, population: LCanyon Park Estates was designed to reduce visual and Wildlife �mpartsby usan, only ,5(la o the possible20+'bui.],Id= g, pr er Is om Tall ma d in sites or. `�fihe "p" p Y"° y . p , .. � . y Bit e-11 Helh ,however, "Y's both a convsnti6nAI, tUral subdzvisio'n g j With. div- i. :�onts of the ,property n h;o lots of Varyirig sizes , along wxtR some areas prop ised0 pA�C Planned Area-Glusbefl devblopne.ntc r 1 ' commended Mitigation Re' _ The County should establish a requirement dor clustered buffers or screen ing as: part development anduse of vegetated a revised Foothill ResYd ential Zone of 5. Iriereased Demand for. Public Services (sp�.• �.,t "fie, :items for fire protection are covered in No. 6) Butte County has continued to provide`a nombinati.on of,, levels without regard to location or rural and iurtan service from existing areas being served. OthLr counties distance in.more 'remote areas m- discontinued or ;Limited many serviees ately passage of Proposx iori 13.` _meth after 1:hP Recommended 'Mi.tigati on 1; Establishment of Commur:tY Service areas or 5pocial ` districts With assessments made at the time of rezoning or are "required at this early tentative tract approval..' funds to pro"vide services or equl.pment at ,th;e time the den�a'nd stage for serv,ce nor euipti�enl-f �is� created: 2: Addition oil building standards that require buildings' standard secure ty to be moresecur e and fireproof l . sta r building, able :and are being used in com, ord.nancea are already avai. mUn ties throug out this stage., J 3� County inspection se"rvics fees shoit.ld be revised to ants more "vel for developme mileand tra time costs `nclude age ovidzng that service. than 15-25 miles from the County offi ed pr 4; Zmp`act,fee schedules should be developed to provide Wound depend upon the service levels if xI equested, The fee requested (above the',Cotinty`s Current capa- level of service . ncy ,ptovrd—:g se bi.] and d�.stanC.e from the age rvi ce': Hazard heavily Fire hazard increases with developrhOht in more coin f ' i:i3c"reatod distance f gyre stations ve etated area s and With. Recommended Mite'ations stabl'ish a plan to provide additional dire stations Ia use n `the General or' pgtad- 0;x ting` ones based a'' n land � esign,atio i. } d be required art Of neva revised` shoale�a3crep a� p 2. The fo:�.Iowng construction Foothill Res;.dentia.l Zone kor sp,, olicy on "in foothl, areas: dire fuelreduction around new roads and co'nstructiori a, sites. b. Use of non- f lammable 0 r fa re resistant's�,dh�; and roof ' materials on new constructiion. Provision .of an ad(:quate water storage' kind 'supply hydrants adjacent system for f ire s4PP cession subdivisions up to 3�5 acro: to homes on d, A specific mitigation for the firestat�.ion, .firehtenl for Ridge area is provision d volu eer company before an ktddita.onal 100 gine, annt ' houses are built.. I' r i { ,.s NOTICE