9509 HOLLY DR 2016-01-01 MF Import

� Section 3 Off-Site Analysis Downslream Anatysis The topography of the existing and devebped site directs normwater runoff northwest and sou[heast The developed site will maintain this drainage pattem discharging detained stormwater runoff from impervious wrFaces northwest to an existing stortn drainage system in Holly Dn.re and discharging landscaped a:�u carwash areas to the southeast Runoff discharged to tlie northwest is corneyecl in an underground pipe system northeas[down Holly Drive m 4w Ave W, then north alony 4'"Ave W. RunofF discharged m the southeast is collected b�drainage facilibes situated in,�n existing development, discharged to an underground rystem in 4w Ave W,then south abng 4'"Ave W.Runoff generated from bo� areas of the site eventualfy reach North Cr�°ek which is situated -0.5 mile east of the site.