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BOLTED & GASKETED ACCESS <br />i COVER/HATCH, STANDARD. ALTERNATE <br />COVERS & GRATED INLET OPTIONS <br />AVAILABLE. <br />t <br />TOP SLAB. <br />RISER SECTION <br />AS REQUIRED. <br />INLET. — <br />PERK FILTER'"—. <br />CARTRIDGE, <br />BASE <br />SECTION. <br />�y. <br />CONCRETE <br />FALSE FLOOR. <br />Notes: OUTLET. <br />1. Precast concrete structure shall be manufactured in accordance with ASTM Designation 0478. <br />2. Filter system shall be supplied with traffic rated (H20) bolted & gasketed 036" circular access covers with risers as <br />required. Field poured concrete collar required, by others. <br />3. Inlet & outlet pipe(s) are to be 024.00" maximum. Inlet pipes must enter the structure in the inlet bay. <br />4. Inlet chamber shall be supplied with drain -down device designed to remove standing water between storm events. <br />5. Minimum separation between invert in & invert out is outlet pipe diameter plus 4.00". <br />6. For depths less than specified minimums contact Oldcastle® Stormwater Solutions for engineering assistance. <br />EXHIBIT B: STORMWATER MAINTENANCE AGREEMENT <br />DATE <br />DEC. 2019 <br />SCALE <br />AS SHOWN <br />FOR: ROEM DEVELOPMENT CORP. <br />REDWOOD CITY CALIFORNIA <br />DR. BY <br />iZ <br />I W KIER & WRIGHT <br />JOB <br />A15145-2 <br />CIVIL ENGINEERS & SURVEYORS, INC. <br />SHEET NO. <br />3350 Scott Boulevard, Building 22 (408) 727 6665 <br />Santa Clara, California 95054 fax (408) 727 5641 <br />1 <br />OF of <br />