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8.A. - Page 207 -3�" <br /> ��cts i� �n:ppart m��n�i�g: irnplement�tion of MM GEQ � 3 vvnuld reduce impacts to the <br /> praject from sudden bank failure �y suppo'ng the hvrt�es on a fo�ndatidn syst�rn <br /> capable af wit�standing 1ar�dslides or ground failures, as described in Seataon 2.3 <br /> — Geology, Sails, and Seismicitj+ of the I3zaf� EIR an p�ges 64�75, whiich is <br /> hereby incorpor�ted �y roference, <br /> ���eg��ct: I�npa�t G�O—4: Creek banlc erosion has viceurned at the rear nf praposed Lot 3, <br /> and is e�ected to continue in the future, therel�y causing Ioss of usable rear yard <br /> are$ and darn�ge ta #he typica2 b�ck�ard improvements that could be placcd <br /> within the"no-bui�d"easernent area. <br /> �i�i��t�o�: J�i' G�� — �: Ta prevent ongaing emsion $om aff�cting Lot 3, #he pro,ject <br /> d�ve�oper proposes to insta2l bank erosivn protectinn m,eastares cdnsisting of <br /> minimally invasive construc�ion tec�iniq�es as recommended by the Regional <br /> Water Quality Cantroi Baard in "A Primer an Stream and River protection for tl�e <br /> Regulatar and Program IV�anager" (Tectznical l�efsr�nce Circu�arr W.I�, p2-#1}. <br /> These protection measttres shatl3�e insta�led by the devetaper prior to sale of Lot <br /> 3. Priar to insta.11atian, th� developer sha.Il enter inta � Str�ambed Atteration <br /> Agreement with tk�e CA Department af Fish and Gair�e (zf deterrnirted necessary <br /> by CA DPG), The developer shait imglement one of the foliowing mca�vres <br /> identifed in the Teehnical Refere�nce to hetp stabitize creek banks: <br /> 1. "The most effective and risk free cha�nel improvement i� ta re- <br /> vegetate strea�n banks �vith wi�lows, cottonwoods, dagwood and <br /> ninebark." <br /> 2. Brush Layering - plant material cut from wiJ�aw, cottonwoods ar <br /> other ripa�°ian species is layered perpendicular to the stream bank <br /> slopes, These layers of vcgetation grow quickiy, sen,ding a mass of <br /> roat grawth into the banks az�d slawing the ve2ocities of erasive <br /> streacn flows an the ban7cs. <br /> 3. Brush Matting - cut ends of wiliows are pushed inea the gro�nd <br /> where tl��y then roa�. The stems are wi�red dovvn onta the strearn <br /> banlc wifih wooa stakes c�t frarn lurnber and wize. Atsa, thc space <br /> aroU.nd the posts is fitled in with dead plant maleri�l held down <br /> witl�wire oe heavy iwine betw�en the posts, <br /> Fi�c�icg: Implementation of MIv� �iEO—4 would r�dace impacts frvm bank erosian to the <br /> projecf to a less than significant level. <br /> rac#� �� ��p�p��t ox�'xr��ling: Re�vegetating a creek bank r�rith native vegetation is a recagnizecl <br /> methvd for s#abilizing and sUpporting a cre�k bank subject to emsion, and <br /> therefore Implementat�an o�r NIM GEO — 4 wauld reduce impac#s tn the proje�t <br /> ATTY/RES0.2253/ATTACH�dI�idT 1 FINGER CERTiFYIMC FINAI.�1R-PC <br /> ii��V,146-1�-72 VR <br /> Page 18 of 33 <br />