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2-4" COBBLES AROUND <br />BUBBLE UP GRATE <br />BIORETENTION SOIL MIX <br />PER SAN MATEO COUNTY <br />WATER POLLUTION PREVENTION <br />PROGRAM C.3 REGULATED <br />PROJECTS GUIDE APPENDIX K. <br />loc <br />J <br />BUBBLE UP <br />5" SQUARE GRATE NDS <br />GRATE OR EQUAL <br />4" SOLID PVC <br />SUBDRAIN PIPE <br />NOTES: <br />1. INFILTRATION TRENCH TO BE CONSTRUCTED PER <br />SAN MATEO COUNTYWIDE WATER POLLUTION <br />PREVENTION PROGRAM (SMCWPPP) C.3 REGULATED <br />PROJECT GUIDE SECTION 6.4. <br />2. APPROVED PLANTS FOR INFILTRATION TRENCH ARE <br />PER APPENDIX A OF THE SMCWPPP C.3 <br />REGULATED PROJECTS GUIDE. <br />3. CONTRACTOR TO RIP BOTTOM OF TRENCH, <br />PLANTING IN TRENCH AREA <br />PER NOTE 2, THIS SHEET, <br />NATIVE SOIL <br />OTEXTILE FILTER FABRIC <br />IRAFI 140 OR EQUIVALENT) <br />4" PERFORATED <br />PVC RISER <br />AGGREGATE ROCK LAYER <br />1.5 TO 2.5 DIAMETER <br />CAP 4" RISER PIPE AT <br />BOTTOM OF GRAVEL LAYER <br />BEDDING SAND <br />EXHIBIT B <br />624 MYRTLE STREET <br />CITY OF REDWOOD CITY SAN MATEO COUNTY CALIFORNLA <br />DATE: JUNE 21, 2022 SCALE: NOT TO SCALE <br />PAGE20F2 <br />CbgSAN (926)866-0322 <br />SACRAMENTO (918) 375-1877 <br />..C.Noa.CCm <br />CIVIL ENGINEERS • SURVEYORS - PLANNERS <br />R: 3085-0001REDW00D CIM624 MYRTLE SNICADIEXHIBITSIXB-EXHIBIT B_0&M_624 MYRTLE.DWG <br />ATTY/AGR.2022.360/SF21 G LLC (Page 10 of 13) <br />J <br />O <br />4" SOLID PVC <br />w <br />SUBDRAIN PIPE <br />Q <br />S=1% MIN <br />u' <br />cr <br />o <br />I <br />-- <br />< <br />J <br />BUBBLE UP <br />5" SQUARE GRATE NDS <br />GRATE OR EQUAL <br />4" SOLID PVC <br />SUBDRAIN PIPE <br />NOTES: <br />1. INFILTRATION TRENCH TO BE CONSTRUCTED PER <br />SAN MATEO COUNTYWIDE WATER POLLUTION <br />PREVENTION PROGRAM (SMCWPPP) C.3 REGULATED <br />PROJECT GUIDE SECTION 6.4. <br />2. APPROVED PLANTS FOR INFILTRATION TRENCH ARE <br />PER APPENDIX A OF THE SMCWPPP C.3 <br />REGULATED PROJECTS GUIDE. <br />3. CONTRACTOR TO RIP BOTTOM OF TRENCH, <br />PLANTING IN TRENCH AREA <br />PER NOTE 2, THIS SHEET, <br />NATIVE SOIL <br />OTEXTILE FILTER FABRIC <br />IRAFI 140 OR EQUIVALENT) <br />4" PERFORATED <br />PVC RISER <br />AGGREGATE ROCK LAYER <br />1.5 TO 2.5 DIAMETER <br />CAP 4" RISER PIPE AT <br />BOTTOM OF GRAVEL LAYER <br />BEDDING SAND <br />EXHIBIT B <br />624 MYRTLE STREET <br />CITY OF REDWOOD CITY SAN MATEO COUNTY CALIFORNLA <br />DATE: JUNE 21, 2022 SCALE: NOT TO SCALE <br />PAGE20F2 <br />CbgSAN (926)866-0322 <br />SACRAMENTO (918) 375-1877 <br />..C.Noa.CCm <br />CIVIL ENGINEERS • SURVEYORS - PLANNERS <br />R: 3085-0001REDW00D CIM624 MYRTLE SNICADIEXHIBITSIXB-EXHIBIT B_0&M_624 MYRTLE.DWG <br />ATTY/AGR.2022.360/SF21 G LLC (Page 10 of 13) <br />