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I <br /> Upstream <br /> Anal sis I <br /> Y <br /> In the existing condition, stormwater from offsite areas does not enter the site. The site is on a I <br /> natural ridge and any surrounding drainage is collected either by improvements on the uphill <br /> development or within the adjacent road and conveyed directly to the regional detention facility. <br /> II <br /> In the proposed condition, the loading dock access will occur at the SE corner of the site and will I <br /> tie to the existing NORPRO site driveway shown in Photo #1. Because of the elevation differences <br /> with the buildings there will be a portion of this driveway that will be re-graded. Therefore, a 111 <br /> portion of the existing site runoff will run onto the new site. This stormwater will be collected and <br /> conveyed to the Powder Mill Gulch basin via the new stormwater conveyance system where it will <br /> be treated for water quality and discharged to the same basin location. <br /> # Photoir, Description <br /> 4. <br /> -, , .,, ..:',,,,,-, ;:zi. #.44.! -4::. <br /> q, 8 •.r,i< fir, }pkf �' 3 � �` trtgy <br /> - r ,� ! <br /> T �< The photo shows the NE corner of I <br /> 1 thI <br /> e existing NORPRO site. <br /> I <br /> I'..1-;'' <br /> v fi b <br /> I <br /> I <br /> I <br /> 4. <br /> I <br /> 6/16/2011 storm Site Plan Page 17 I <br />