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BARGHAUSEN CONSULTING ENGINEERS, INC. <br />'Land Planning. Survey, and Design �pecialists" <br />�l .. �..1 n..iK l; I ^ <br />��''�,I�::��� �' �� 9 �� <br />!r�����,4� � �II <br />March 1J, i��o �.;�.�, �di1R 1fi 1990 <br />COURIER DBLIVERY <br />. ... . _.... _... _...... ... _ _... _.....,..,. <br />......_. __ . <br />Mc GoNon Wiichcr CITY OF EVERETT <br />Ciry of L-�•cmtt public Warks Depl. <br />[nginccring Dcpanmcnt <br />City Scrvicc Ccmer <br />32(10 Ccdar Strect <br />6vcrGt, NA 98201 <br />Rc: Additional Storm Drainugc Informalion for Ercrclt Mall Officc Park 6uilding 4 <br />Our Job No. ?952 <br />Dcar Gordon: <br />Pursuam to our Icicphonc convcno�iun WcJnaJay aficrnonn, I am forn'arding �hc folluN�ing <br />adJiiional informatinn for your usc in mmpiciing thc civil cngincaring dcsign pLm rccicw for Ihc <br />EMOP 4 Ihcalrc aUJiliun. <br />Onc copy of Ihc Silc Gradiug anJ Oreinnge Pian which has Accn highiightcd to show• <br />ncw perviuus landscapc arras thnl will Ac pmvidcd as pan uf Ihc proposcd dcvclupmcm. <br />2. Onc capy of �hc Boundary and Tnpographic Survcy for Ihc cxisting si�c wM1ich has bccn <br />highliglucd to show exis�ing pcn•ious arcas. Thc limits of cnnsimc�ion fnr �hc �hr.nrc <br />adJition havc also becn shown un this ptan fur comparison M1cnusc nf Ihc Jifkrcncc in <br />scal�.t nf 1" = 30' for thc pmposcJ Jcvdopmenl plan anJ I" = 20' fur �hc boundary <br />anJ topographic survcy. <br />3. Onc �npy of the Arca Gdcula�ions Wr pervious and im�x:rvious arcas on ihc cxis�ing <br />si�c as wcll as Ihc pmposcJ dcvclopmcnt. <br />As you can scc M1y Ihc wlcuia�ions, Ihc proposcd Ihcatrc adJilinn will nclually providc ;m <br />adJitional .207 acres ot pervious I:mdsu-ipc :irca Ih�m �hal of Ihc cxistin��, silc. A Ci1y o( Bccrcll <br />orJiimncc slmec Iha� if morc Ihan IO,IXNI squarc fcct of :iJJi�ional impervious surfacc ic crr.ncd hy nnv <br />dccdopmcnt, a wc� pond and bioGhmiion mus� bc prnviJcJ in acmrdancc with Ci1y of Evcrcu <br />s�andards. Sincc thc proposW Jcrclopmcnl u�ill aclually rcducc Ihc amount of impervious aru� �hrnugh <br />thc provisinn of addiliunal IanJsqpc arcas, my undcni:mding is Ihal ihis prnjcei is cxcmpt Gom this <br />requircment. Also, sincc Ihc imperviuus arca will hc rcJuccd hy dccdnpmcm ni Ihis prnjcct, Ihc <br />slomnralcr dcicnlion fcc shnulJ :ihu hc czcmpl frum this projccl. <br />Home Office: 1P215 72nd Avenue Sou�h • Ken6 Washington 98032 •(206) 251-6222 <br />Sacramen�o Office: 3750 Aubum Blvd.. Suite A' Sacramen�o, California 95821 •(916) 484-1212 <br />