HomeMy WebLinkAboutRECOMMENDED MITIGATION MEASURESRECOMMENDED MITIGATION MEASURES'
1. Preserve as much vegetation as possible to promote ground
stability and reduce erosion.
Limit::hours of operation to 6 a.m. to 6 p.m., Monday 'through Saturday:
3. Improve.pry Creek Road from Messilla Valley Road,.at such a:time
traffic warrants, to reduce vehicle dust impacts and for traffic
safety purposes. ' Watering.of the roadway may be required until such
a time as road improvements are completed.
4. Erosion control'.measures are required..
a. Stabilizati.on of all graded:areas.°
b. Stabilization of the streaml;onk in: area of mining operation:.,
c. Proper development of drainage for open°pit mine area.
a. Install culvert.for aily stream crossings of Dry Creek.
Designbackslope of excavated material to withstand an'earthquake
of,,:m.agnitude 6.S Richter.
6.: Undertake reclamation immediately once each open pit mine has been
pr.oeess.ed.
.7. Provide on-site fire protection measures.
8. Meet the OSHA guidelines for the .storage and use of inflammables.
9. Retain areas not to be mined in their natural state.
10. Utilize sediment ponds to contain -the discharge of sediments to
Dry.Cree
11. Obtain a��reambed alteration permit, for any work within or near
Dry Creek, from the California Department of Fish and Game. Up-
date permit as required to ensure periodic review of the operation.
12. Submit a report of wastewater discharge to the California Regional
{Vater Quality Control Board and comply with their requirements
pertaining to wastewater discharge.
Provide traffic control along Dry Creek Road and notify.p-roperty
owners within a 2 mile radius during any future blasting operations.
' ..�p.greeable to applicant as. per letter dated 7/6/81.
Appendix F -..page 8d of 9
i3.
55
:1. Preserve .as much vegetation _as-p.o.:,s.ible' .to .p.romote' g:ro-und
stability and reduce erosion.
1.. Limit hours of operation to 6 a. m.*
to 6 p.m. Monday through Saturday.
3.. Participate`in maintenance and improvement of Dry Creek Road to.a two
way traversable, standard. Watering or the road to be accomplished,
as needed, : to - reduce dust during summer months .. (Revis i -on --•of -earlier
wording.)
4.. .Erosion control measures are required.
a.'' Stabiliz.ation� ofd all graded areas.
b. Stabilization of; the :streambank in areae of mining operation.
c.' ;Proper development. -of; drainage. for. open pit mine area.
d.. Install culvert for any stream crossings of Dry Creek.
.. Design, backslope:..of_excavated material-toj.withstand An earthquake
of..:magnitude 6-S. 'P-ichter.
6. Undertake reclamation immediately once each open pit mine has-been
processed.
7. Provide on-site fire protection measures.
8. Meet the OSTIA guidelines for the storage and use of inflammables.
9. Retain areas not to.be mined in their natural state.
10. utilize sediment ponds to -'.contain -the discharge of sediments to
Dry Creek.
11. Obtain a streambed.alteration permit for any work within or near
Dry Creek, from the California Depar-, tent of Fish and Game. Up-
date permit as required to. ensure periodic review of the operation.
12.. Submit a report of. wastewater discharge to the California Regional
Water Quality: Control :Board and ,comply with, their requirements
pertaining to wastewater disc}. arge: ,.:
13. Provide traffic control along Dry Creek Road and notify property
owners within a 2 mile radius during any future blasting .operations.
For original proposal.. review of Deletions, revisions and additions
are likely to be forthcoming.
Appendix F - page 8e of56
IV . DETERMINATION
(To be completed .by•- the .Lead Agency)
On the basis of this initial evaluation:
CD I find the proposed project.. -COULD NOT have a significant.
effect on the environment, and a"NEGATIVE DECLARATION
s recommended.
Q I find that although, the proposed project could have a
significant effect on. the environment, ,here will not
be a significant effect in this case because the
mitigation measures described on an attached sheet
have been.•added.•ta the project. A NEGATIVE DECLARATION
IS RECOMI ENDED .
I find the proposed project'MAY have a significant
effect -on the environment, and an ENVIRONMENTAL IMPACT
REPORT is required.
r%.4- December ' 28 . 1981
•
Appendix F - page37bf 9