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e) Recommendatians tQ reduce impacts to the draiaage impmvements <br /> from expansire soils; <br /> fl Recommendations tv reduce the potentia] for post-consttuction slope <br /> instabiiity in the vicinity of site improvements; <br /> g) RecAmmendations for general site grading,including cuts,fills,�nd <br /> conective grading measureg; and <br /> h} Recammendations for s�bilizing home sites by snppurting the <br /> hames and any site retaining walls on dril�ed piers. <br /> Finding: Implementa�ion of Mitigation Meaaures Geology-Z and Gealogy-2 would reduc-e <br /> impacts from expa�nsive snils, subsidence, and soil oouapse ta a lcss�han <br /> significaat]evel. <br /> Facts fn Support af F'Snding: Imptementation o£Mitiga�ian Measure C�eology-1 would re�aZace <br /> impacts from expansive soil,subsidence,attd soil collapse for residez�ces and <br /> utility inuprovementslroadways by requiring implement�tion of the <br /> recommendations inaluc�d in the gaoteabnical feasibility doGUments prepared for <br /> the site, In,►plementation of Mitigation Measure Geology-2 would reduce impacts <br /> from expansive sail,subsidence, and soil callapse for residenc�s,drainage <br /> impr�vements, and roadways by requiring oomplstion of design-level <br /> geatechnical investig�tions for each 1ot and the utility imp�rov�an�ts on Laurel <br /> Way and implementatian of the recoznmendations resulting from the <br /> investigatian.Impact 3.5-3 and proposed mitig�tian are des�ribed on Draft EIR <br /> pages 3.5-15 and 3.5-16 and Revised Finat Ellt�ages�-17 thrrraugh 4-2Q,which <br /> are hereby incoiporats3 by refezence, <br /> Impact 3.� <br /> Impact: Serpe�tiniite has been mapped in the project area anc�has the potential to contain <br /> �sbestos. Const�c�ion activities svch as elccavation, �g,��11ing have the <br /> patential to release naturalIy occarring asb$stas into the aii'.The project would <br /> have the patential ta eatpose people to asbestas fi oin constructian in serpentinite <br /> rocks and soi�s. <br /> Mitigatlon: Mitigatio�Measure Gealogy-Z:AlI recornmendations�n the TRC Lowney <br /> (200�,Coraerstone Earth Group(2Up$), and Treadwell &Rallo(200$a and <br /> 2008b)gevtechnical feasability dacuments,included in Append�E,shall be <br /> implemented. These ineasures i�clude the following: <br /> a) All undacarn�ted fills�aen�th pavemeu�driveway,�r other hard- <br /> scape aneas shall be removed down to native soil and replaoed with <br /> oampacted engineered fil[. <br /> b) All undocument�d fills beneath pro�osed struetures shall be removad <br /> dnwn to native soi�and r�laoec! as compacted engineere�d fill,unless <br /> the stiuchu�es aze supported on drilled pier fnutzdations,whiah derive <br /> support from the underlying native soils and bedre�ck. <br /> 2� <br />