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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 />4" PERFORATED PVC PIPE <br />TO DIFFUSE STORM WATER I <br />(HOLES FACE DOWN): <br />NOTES; <br />I. 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 />BUBBLE UP <br />5" SQUARE GRATE NDS <br />GRATE OR EQUAL <br />4" SOLID PVC <br />SUBDRAIN PIPE <br />,ill , . ��. •- �a:.7 —111-11 1� <br />Ell <br />I I—, <br />I1[IIITT,�IIIII�IIIII�III,III„1I .IIS=�' <br />PER SHEET GP -1 <br />INFILTRATION TRENCH <br />NOT TO SCALE <br />PLANTING IN TRENCH AREA <br />PER NOTE 2, THIS SHEET. <br />NATIVE SOIL <br />OTEXTILE FILTER FABRIC <br />IRAFI 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 />,BEDDING SAND <br />EXHIBIT B <br />848 EDGEWOOD RD <br />CITY OF REDWOOD CITY SAN MATEO COUNTY CALIFORNIA <br />DATE: SEPTEMBER 12, 2024 SCALE: NOT TO SCALE <br />PAGE 2 OF 2 <br />SAN RAM (9) 866-0322 <br />ROSEVILLE (91616) 375-18771877 <br />cbg i <br />WWW.CBANOG.COM <br />CIVIL ENGINEERS • SURVEYORS • PLANNERS <br />F:13085-0001REDWOOD CIM848 EDGEWOOD RDIACAMEXHIBITSIXB-EXHIBIT B_0&M 848 EDGEWOOD RD.DWG <br />ATTY/AGR.2025.228/Norcal Home Builders (848 Edgewood Rd) (Page 11 of 14) <br />4" SOLID <br />PVC — I <br />SUBDRAIN <br />PIPE �I <br />S=1% MIN`• <br />w <br />I I• <br />z <br />o <br />� <br />:a«T <br />w <br />. <br />I—I I—I <br />=i I I—i 111= - <br />-IIISIIF <br />LdLLJ <br />1�11l- <br />4" PERFORATED PVC PIPE <br />TO DIFFUSE STORM WATER I <br />(HOLES FACE DOWN): <br />NOTES; <br />I. 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 />BUBBLE UP <br />5" SQUARE GRATE NDS <br />GRATE OR EQUAL <br />4" SOLID PVC <br />SUBDRAIN PIPE <br />,ill , . ��. •- �a:.7 —111-11 1� <br />Ell <br />I I—, <br />I1[IIITT,�IIIII�IIIII�III,III„1I .IIS=�' <br />PER SHEET GP -1 <br />INFILTRATION TRENCH <br />NOT TO SCALE <br />PLANTING IN TRENCH AREA <br />PER NOTE 2, THIS SHEET. <br />NATIVE SOIL <br />OTEXTILE FILTER FABRIC <br />IRAFI 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 />,BEDDING SAND <br />EXHIBIT B <br />848 EDGEWOOD RD <br />CITY OF REDWOOD CITY SAN MATEO COUNTY CALIFORNIA <br />DATE: SEPTEMBER 12, 2024 SCALE: NOT TO SCALE <br />PAGE 2 OF 2 <br />SAN RAM (9) 866-0322 <br />ROSEVILLE (91616) 375-18771877 <br />cbg i <br />WWW.CBANOG.COM <br />CIVIL ENGINEERS • SURVEYORS • PLANNERS <br />F:13085-0001REDWOOD CIM848 EDGEWOOD RDIACAMEXHIBITSIXB-EXHIBIT B_0&M 848 EDGEWOOD RD.DWG <br />ATTY/AGR.2025.228/Norcal Home Builders (848 Edgewood Rd) (Page 11 of 14) <br />