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6.1.1. - Page 16 <br />PARKING STRUCTURE, <br />—'� SEE ARCHITECTURAL <br />DRAWINGS FOR DETAILS <br />OVER FLOW INLET RAINWATER LEADER, SEE PLAN FOR <br />LOCATIONS. SEE PLUMBING DRAWINGS <br />TOP OF a/ FOR RAINWATER LEADER DETAILS <br />BIORETENTION CONNECT PERFORATED PVC PIPE TO <br />6" MIN RAINWATER LEADER, FACE PERFORATION <br />PONDING DOWN TO SPREAD FLOW 15' IN EACH <br />3• ' DIRECTION (SEE UTILITY PLAN FOR SIZE <br />•r <br />12 �Mq,�, I w INVERT ELEVATION). SLOPE AT 0.5% MIN <br />h <br />2"-4" COBBLE STONES) "::_':.`• <br />AS ENERGY DISSIPATER. d ` -' <br />PLACE ALONG AND OVER <br />FLOW SPREADER 24" WIDE <br />CENTERED ON PIPE = s =�'• r` ti <br />LINE SIDES AND -1� <br />BOTTOM WITH <br />60—MIL VISQUEEN <br />X18" MIN TREATMENT SOIL SHALL BE LOAMY <br />SAND WITH A 5—INCH PER HOUR <br />PERCOLATION RATE PER SAN MATEO <br />COUNTYWIDE WATER POLLUTION PREVENTION <br />- a PROGRAM (SMCCWP) SOIL GUIDELINES <br />(- -12" MIN DRAIN ROCK PER CALTRANS <br />of STANDARD SECTION 68-1.025 CLASS <br />2 PERMEABLE MATERIAL <br />COMPACTED AND <br />SCARIFIED NATIVE OR <br />IMPORTED FILL <br />4" PERFORATED—/ STORM DRAIN <br />PVC PIPE SLOPED PIPE <br />0.5% MIN TO INLET <br />f 3.77' <br />FLOW SPREADER AT <br />RAINWATER LEADERS <br />NTS <br />EXHIBIT "B" <br />i®BRF STORMWATER CONTROL PLAN <br />��IYEOAP-05 STANFORD HEALTH CARE <br />ENGINEERS. SURE 25 SURVEYORS. PLANNERS <br />o Drawn AP Checked KW Approved KW <br />4a7o w�sow W. surto �o <br />�Sn► TON. CA 94M rnrw. Loom Job No. 20157079 Date 07/17/2018 Sheet 9 of <br />