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4.6 Sinee the Nov�zxaher 28 PRELIM�NARY �'LAT appro�al by ihe City Gouncil, La�so� <br />E�giz�e�rzz�g have beez� wor�iz�g wat� �he Capital Regioz� Waiershed Dzstrict (CRWD) and <br />tlae Public Works De�aaxtz�aent �o create a sto�a waier mana�ement pla� ilaat add:ressed a11 <br />concerns raised anc� all code require�ents. <br />4.7 The grad'zz�g plata i�cludes slight modifications in t�e design of front and rear lo� grades, <br />as wel� as ��.e d�sign of the sto�m watear �aanagement system. The �ost �ecent storrrz <br />water rnanagement plazz subnaitted {which has bee� supparted by t�ae CRWD and <br />ap�roved by �he i'ublic Works Department) includes an intrieate piping system, c�esig�ed <br />with a�uriec� infiltration (perforated) pipe. The piping is located adjacent P�rker Avenue <br />along Lots � arzd 10. Main line pipes carry runoif in a pipe ��om the rear af Lot 5 to the <br />eastexly znfiltration system anc� a main li�e pipe ea�aes ru�r�aff from the rear of Lp# 8 to the <br />westerly system. <br />4.8 T�e i'ublic Works Department has concluded that the pipe connecfiiQns on t�ie east and <br />west side a�'the development, as vi�ell as �he infiltration system on Lot 1 on the east sicie <br />�ea� �'ar�er Ave�ue right-of wa� is a parivate syste� a�d as sueh the develaper must <br />establish a home owners assnciation io maintain th� priva�e �i�e and in�ltration system. <br />T�e otlier re�naini�g perfara�ed buried infii�ra�ion pip� (on Lot 10} is determined to be <br />"public" a�d will be the respansibili�y of the City as wi�I a�l utilrties 14eated withzn t�e <br />c�l-de-sac raadvvay. <br />�.9 The prapqsed 7 new hnrr�es will generate between SO and 70 new trips per day (there are <br />three hoz�es t�at a�r�ady contribute ta tl�e traffic ���ey wxl� be removed and replaced). <br />S#aff estiamates thai the s�Xit zn tra�fc will be 65% to t�ae west to Lexx�agton and 3S% to <br />the ea�t to Victaria. Hawevear, Parlcer Avenue is a S�ate Aide roadway ihat is deszgned as <br />a"reliever" �or exis�iz�� arterial ar�d callector roads in the area (County Road B, <br />Lexington Avenue, Vic�aria, and County Road B2). Siaff estiz�aates that Parker carri�s <br />Iess than 8QQ estz�aated trip� per day. Based on Roseville's streei capaci#y siudies, fihere <br />zs capacity ta serve tl�e added �nax�znu� of 7d ve�Zicles (Each lane can accc�mmodate <br />approximately 2,000 or znore vehieles per day). <br />�,1 p The developer has �roposed retaining (tree preservation) vegefatian alang the periphery <br />of the site as well as a number of mature oaks and maples an Lat 6. Trees will be <br />presezved ta the cxteni possible an Lats 4 and 5. The pxoposal incXudes augmentiz�g the <br />pzeserved trees with adciitzanal t�ees i�c�udirzg cani�'ers, as well as �eeti�g t�� City's <br />street tree rnaster plan along �he new cul-de-sac and Parker. TY�� appiicant is also <br />proposing to machine retnov�/relocate a numb�r of cani%rous �rees located in �%e froz�t <br />yard o� 978 Pa��er Avenue. <br />PF3G65�RCA_FinalPlat 01300G �'age 3 of $ <br />