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17 <br />the inflow and outttow during a nortnal rainfall year relative to existin� and post <br />construcSon conditlons must be provided. Prior to application for building <br />Pwmib and plan roview by fhe Pubiic Works Departmant, a characterizatlon ot <br />th� hydrobpy ot the wstlands on or adjacent to fhis project that may be aHeded <br />by 1M d�velopmertt of this site must be roviewed and approved by ths p�pnig� <br />D�p�rtrnent (SEPA Water and Plant and Animal Polides) <br />The d�ainage plan must inGude a pipe or swale to convey lake overftows and - <br />discharge it at the naturally occurtinq locatlon. (SEPA Water Polides) <br />All stom�water runoff }rom the pavsd arosa of the site must be routed through <br />either a baMs-type aiVwatar separator �� •eria•;Nd�_ vegatated swale or <br />throuph a wetpond prior to diacharys of the stormwatsr from the site or to <br />stream or wetland aroas. Thase water qualky enhandng faalities must be <br />deaiynsd in axorclancs with Cky Standarda, canatruetsd in conjunction with <br />Phase I development, and should be sized for all antldpated future stortnwater <br />runoff from both phasea of the proJect <br />When a vegetated swale is provided for water quality enhancement oi stortn <br />water, a minimum of 10 teet of easentlally tiat yround muat be provided behveen <br />the swalo and any adjacent buiidinge, unless otherwias approved by the Fire <br />Marshal. <br />The roquired vepetated swales or wc�pond must be provided outside of <br />wetlanda, stnams, and their buffen. The swalea or wetpond must be shown on <br />the roqulrod landacapinp plan, aa well as on Public Works drainaQe plans. <br />(SEPA Plant and Animal and Water Poiiaea) <br />_�: ., .:,. -�..,. <br />Phap I. The proposal inciudes the fiil ot .204 acro of wetland on Phase I. <br />MMipation would be provided by ths .14 acro expansion of an existing wetland, <br />the enhancement of a weUand buffer, and the enhancement and rehabilitation <br />of the northem finyer ot an exiatlng wetland. <br />Phas� II. The applfcant proposes the constructlon af a vepetated swale for the <br />propoaal on an adjacent site (Phaae II). The Applicant propoaea the fill of 578 <br />squaro feet of wetlands along tha property boundary belween Phase I and <br />Phase II. MftlqaUon would be provided by the 720 squarn foot expansion of an <br />exlsUnp wetland at the southeaat comar of ths sRe. The proposal also <br />indudes a buffK nducdon tor the wetland alonp the south and eaat portion of <br />Ph�w II. <br />Wo1Mnd mitlpatlon plana proparod by Loqan and Jones indude a mitigation <br />pl�n tar Phaa I naivsd July 17, 1991 and mitl9atlon plana for Phase II dated <br />Auputt 29, 1991, December 23, 1991, and June 25, 1992. The mitiyatlon plan <br />elementa indud� the folbwinq: <br />Phas� I- E�ansion of wetlands would oowr throuqh excavatlnp, so fhat <br />the natutal hydroloqy �vill support the wetlands species. A suAace <br />blanket of oryanic soils would be placed. Ths finel excavatlon would <br />breach the new wetland boundary with Me ewatlny wetland. New <br />wetland areaa would be planted with attails and soft ruah. BuHer <br />enhancement is also proposed by Geariny, gradinp and replanting with <br />