Laserfiche WebLink
REFER TO FINAL IMPROVEMENT PLANS FOR TRACT 8519 FILE AT THE CITY OF SAN LEANDRO. <br />SILVA CELL KEY PLAN <br />OA 2X SILVA CELL SYSTEM BY DEEP ROOT (DECK, BASE, AND POSTS) <br />© CONCRETE SIDEWALK (4"PCC/4"AB) <br />© PLANTING SOIL PER LANDSCAPE ARCHITECT <br />OD 2" DRAIN ROCK <br />O BIO—RETENTION TREATMENT SOILS (BSM) MIX PER ATTACHMENT "L", <br />MUNICIPAL REGIONAL STORMWATER PERMIT (MRP) PROVISION C.3.c.L(1)(b)(A) <br />O CLASS 2 PERMEABLE MATERIAL PER CALTRANS SPECIFICATIONS, SECTION 68, <br />COMPACTED TO 95%. <br />© STORM WATER INLET WITH LOW FLOW PLATE <br />MIRAFI HP570 — GEOTEXTILE FABRIC 18" MIN OVERLAP & EXTEND <br />OH GEOTEXTILE TO EDGE OF EXCAVATION. <br />20MIL STEGO WRAP — PLACED AROUND SIDES AND BOTTOM OF CLASS 2 <br />IO PERMEABLE MATERIAL. <br />MIRAGRID 2XT — GEOGRID TO LINE PERIMETER OF SYSTEM WITH 6" TOE <br />0 (OUTWARD FROM BASE) AND 12" EXCESS (OVER TOP OF DECK). <br />KO 6" SDR-35 PVC PERFORATED DISTRIBUTION PIPE. <br />© 6" SDR-35 PVC PERFORATED COLLECTOR PIPE. <br />QM 4" SDR-35 SOLID PVC PIPE INTO SILVA CELL SYSTEM. <br />QN SILVA CELL BASE <br />CABLE TIE, ATTACHING GEOGRID TO SILVA CELL AT BASE OF UPPER LEG <br />FLARE. <br />© PIN, PER SILVA CELL SPECIFICATIONS. <br />OQ NATIVE BACKFILL, COMPACTED TO SOILS ENGINEER RECOMMENDATION. <br />® 6" CURB AND GUTTER <br />O ROOT BARRIERS AT EACH TREE(LENGTH OF ROOT BARRIER PER LANDSCAPE <br />PLAN), TOP OF ROOT BARRIER TO BE 1" MIN BELOW TOP <br />OF SIDEWALK. <br />OT 6" SDR 35 SOLID PVC OVERFLOW RISER <br />EXHIBIT "B-2" STORMWATER MANAGEMENT PLAN <br />TRACT 8619 - MAPLE LANE <br />CITY OF SAN LEANDRO, ALAMEDA COUNTY, CALIFORNIA <br />1\ 11 <br />RUGGERI-JENSEN-AZAR <br />ENGINEERS • PLANNERS • SURVEYORS <br />4690 CHABOT DRIVE, SUITE 200 PLEASANTON, CA 94588 <br />PHONE: (925) 227-9100 FAX: (925) 227-9300 <br />DATE: FEBRUARY 2021 SHEET 5 OF 5 <br />