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Mr. �'at McBridc <br />January 14,1998 <br />Page 3 <br />Commcnt 3G <br />Thc project has bccn altcrcd to allow on-sitc spacc (or rcquircd buffcrs. <br />Commcnt37 <br />Most of thc castcrn boundary of thc sitc is markcd by thc fill deposits of thc ncighboring wrccking <br />yard and storagc yazd. T!icreforc, thc total off•sitc arca of thc wcdand south of 112'h Strcct is <br />cstimated ro Le Icss than 0.25 acrc. <br />'T'he proposed avcragc buffcr for Wctland B is no narrowcr than 37.5 feet at any point. <br />Wctlands C and II arc not prescntly liydrologically conncctcd, and will not bc corncctcd undcr the <br />prescnt conccptual mitigation plan. <br />Commcnt 38 <br />Litdc direct cvidencc of wildlifc �sc in the on-sitc wetlands was obscrvcd. I-Iowever, investigators visited thc <br />sitc only in mid-day, whcn wildlifc arc Icast activc, panicularly in urban arcas. In vicw of thc dcnsc maturc <br />nati oc vcgctation, abundancc of watcr on sitc, and the surrounding urban dcvclopmcnt, thc on-sitc wcdand is <br />very likcly to scrvc as a rcfugc for a numbcr o( human-tolcrant wildlifc spccics. Thcsc may includc mammals <br />such as raccoons, opossums, and coyotcs, as wcll as birdx such as Sicilcr's Jay, woodpcckcr, and Oickcr. It is <br />unlikcly that fish would makc significant usc of thc omsitc wcdands bccausc of minimal open watcr and <br />tcnuous surfacc conn«tions to thc castcrn o(Gsitc strcam. Howcver, somc pottions of Wctland B arc likcly <br />�o harbor amphibians, including potcntiall}' rcd lcggcd frog and rough-skinncd newt. <br />Conrmcut 39 <br />A. Thc conccptual mitigation plan (rcviscd Octobcr 1777) showcd arcas to bc plantcd widi nativc <br />vcgetation. All wctland crcation arcas cxcept thc stormwatcr wetpond will bc plantcd with trcc and <br />shnib laycrs, with additional arcas o( cmcrgcnt hcrb-laycr plantings. Thr. spccific spccics and location <br />uf cuch plant will bc shown on a(inal mitigation plan, that will bc produced oncc thc mitigation <br />concepts and arcas arc approvrd. Wctl.mJ crc.uiun arcas will br ovcrcxcav.itcd, thcn b.�ekfillcJ witii <br />a mixiurc o( compost and topsoil to providc arganic soil. All creatcd wcdands will adjoin cxisting <br />wetlnnds. <br />[3. Wctlands C and Il arc no longcr proposcd to bc joined undcr dic currcnt conccpt�al mitigation plan. <br />l�inishcd gnde elevations in crcatcd wctland arcas will match the cxisting cicvations of adjoining <br />wedands. All wctland crcation plant community typcs will b� forestcd. <br />C. 'I'hc Octobcr 1977 mitigatirni plan dcfincs a 5•ycar monitoring plan and dcscribcs a maintcnancc plan. <br />D. Construction acccss paths as well as a stormwatc: dischargc corridor (whcrc a dischargc pipc will bc <br />buric� arc dcsignatcd on thc currcnt mnccpwal mitigation plan. Thcsc arcas will bc fully plantcd <br />with nativc trcc anJ slntib spccics a(tcr mitigation consuuction. 5pccific plantings will bc shown on <br />thc final mitigation plan. <br />3/y <br />