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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 />ilmaw <br />- BUBBLE UP <br />5" SQUARE GRATE NDS <br />GRATE OR EQUAL <br />- 4" SOLID PVC <br />SUBDRAIN PIPE . <br />PLANTING IN TRENCH AREA <br />PER NOTE 2, THIS SHEET. <br />NATIVE SOIL <br />GEOTEXTILE FILTER FABRIC <br />(MIRAFI 700 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 />-0 1pi <br />4" PERFORATED PVC PIPE Z 11 I 1 { _ _ — _ _ _ =I 1P- BEDDING SAND <br />TO DIFFUSE STORM WATER J-1 11 111=1 11-11 I- I I mi 11=1 I LEI I1=1 11`1 I l -I I E-1 I 1=1 I I— <br />(HOLES FACE DOWN) 1 1u{ I -1 =1 i-1 1= {=1 1 1 .... { I-1 <br />JI 11-11 1^11 11— 1 I <br />PER SHEET GP -1 <br />INFILTRATION TRENCH <br />NOT TO SCALE <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 />EXHIBIT B <br />1209 CONNECTICUT DRIVE <br />CITY OF REDWOOD CITY SAN MATEO COUNTY CALIFORNIA <br />DATE: OCTOBER 8, 2020 SCALE: NOT TO SCALE <br />PAGE 2 OF 2 <br />b SAN (9) e66-0322 <br />15 CSACRAMENTO <br />(91616) 375-1877 <br />WWW CBANDG COM <br />CIVIL ENGINEERS • SURVEYORS • PLANNERS <br />F:13085-000\REDWOOD CITY11209 CONNECTICUT DRIACADIEXHIBITSIXB-EXHIBIT B_08M.DWG <br />ATTY/AGR.2020.232/SF19G, LLC (Page 10 of 14) <br />J -11 —1II <br />1,;,111 r[1 <br />0 <br />4" SOLID PVC <br />w SUBDRAIN PIPE .I f 1= <br />a S=1% MIN 1 <br />0 <br />LLJ VIII it <br />�- <br />CD11- <br />� <br />o. <br />I -111=I1 <br />cy <br />M I 1=11 <br />< <br />=I 11=1 11- <br />- BUBBLE UP <br />5" SQUARE GRATE NDS <br />GRATE OR EQUAL <br />- 4" SOLID PVC <br />SUBDRAIN PIPE . <br />PLANTING IN TRENCH AREA <br />PER NOTE 2, THIS SHEET. <br />NATIVE SOIL <br />GEOTEXTILE FILTER FABRIC <br />(MIRAFI 700 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 />-0 1pi <br />4" PERFORATED PVC PIPE Z 11 I 1 { _ _ — _ _ _ =I 1P- BEDDING SAND <br />TO DIFFUSE STORM WATER J-1 11 111=1 11-11 I- I I mi 11=1 I LEI I1=1 11`1 I l -I I E-1 I 1=1 I I— <br />(HOLES FACE DOWN) 1 1u{ I -1 =1 i-1 1= {=1 1 1 .... { I-1 <br />JI 11-11 1^11 11— 1 I <br />PER SHEET GP -1 <br />INFILTRATION TRENCH <br />NOT TO SCALE <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 />EXHIBIT B <br />1209 CONNECTICUT DRIVE <br />CITY OF REDWOOD CITY SAN MATEO COUNTY CALIFORNIA <br />DATE: OCTOBER 8, 2020 SCALE: NOT TO SCALE <br />PAGE 2 OF 2 <br />b SAN (9) e66-0322 <br />15 CSACRAMENTO <br />(91616) 375-1877 <br />WWW CBANDG COM <br />CIVIL ENGINEERS • SURVEYORS • PLANNERS <br />F:13085-000\REDWOOD CITY11209 CONNECTICUT DRIACADIEXHIBITSIXB-EXHIBIT B_08M.DWG <br />ATTY/AGR.2020.232/SF19G, LLC (Page 10 of 14) <br />