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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 r� <br />PROGRAM C.3 REGULATED <br />PROJECTS GUIDE APPENDIX K. <br />�'ill��111- <br />4" PERFORATED PVC PIPE __ M-1--i <br />_TO DIFFUSE STORM WATERI Il I U I(HOLES FACE DOWN)_�lE <br />r BUBBLE UP <br />1 5" SQUARE GRATE NDS <br />� lII��II]I:I�IIIL IIT <br />PER SHEET GP -1 <br />GRATE OR EQUAL <br />4" SOLID PVC PLANTING IN TRENCH AREA <br />SUBDRAIN PIPE PER NOTE 2, THIS SHEET. <br />�I <br />2 <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 />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 />BEDDING SAND <br />EXHIBIT B <br />303 IRIS STREET <br />CITY OF REDWOOD CITY SAN MATEO COUNTY CALIFORNIA <br />DATE: SEPTEMBER 15, 2020 SCALE: NOT TO SCALE <br />PAGE 2 OF 2 <br />c l SAN (925) 866-0322 <br />SACRAMENTO (916)375-1877 <br />9 <br />WWW CBANDG COM <br />CIVIL ENGINEERS • SURVEYORS • PLANNERS <br />F:13085-00MREDWOOD CITY1303 IRIS S RACADIEXHIBITSU(B-EXHIBIT B_0&M.DWG <br />ATTY/AGR.2020.226/SF19G, LLC (303 Iris Street) (Page 10 of 14) <br />CD I -i 11-I,I <br />4" SOLID PVC <br />SUBDRAIN PIPE <br />Q S=1% MINIl. II <br />0 <br />0r IIII <br />00 <br />J - <br />Of <br />w <br />�-�Ilfllllfl!! <br />�'ill��111- <br />4" PERFORATED PVC PIPE __ M-1--i <br />_TO DIFFUSE STORM WATERI Il I U I(HOLES FACE DOWN)_�lE <br />r BUBBLE UP <br />1 5" SQUARE GRATE NDS <br />� lII��II]I:I�IIIL IIT <br />PER SHEET GP -1 <br />GRATE OR EQUAL <br />4" SOLID PVC PLANTING IN TRENCH AREA <br />SUBDRAIN PIPE PER NOTE 2, THIS SHEET. <br />�I <br />2 <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 />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 />BEDDING SAND <br />EXHIBIT B <br />303 IRIS STREET <br />CITY OF REDWOOD CITY SAN MATEO COUNTY CALIFORNIA <br />DATE: SEPTEMBER 15, 2020 SCALE: NOT TO SCALE <br />PAGE 2 OF 2 <br />c l SAN (925) 866-0322 <br />SACRAMENTO (916)375-1877 <br />9 <br />WWW CBANDG COM <br />CIVIL ENGINEERS • SURVEYORS • PLANNERS <br />F:13085-00MREDWOOD CITY1303 IRIS S RACADIEXHIBITSU(B-EXHIBIT B_0&M.DWG <br />ATTY/AGR.2020.226/SF19G, LLC (303 Iris Street) (Page 10 of 14) <br />0r IIII <br />III <br />�'ill��111- <br />4" PERFORATED PVC PIPE __ M-1--i <br />_TO DIFFUSE STORM WATERI Il I U I(HOLES FACE DOWN)_�lE <br />r BUBBLE UP <br />1 5" SQUARE GRATE NDS <br />� lII��II]I:I�IIIL IIT <br />PER SHEET GP -1 <br />GRATE OR EQUAL <br />4" SOLID PVC PLANTING IN TRENCH AREA <br />SUBDRAIN PIPE PER NOTE 2, THIS SHEET. <br />�I <br />2 <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 />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 />BEDDING SAND <br />EXHIBIT B <br />303 IRIS STREET <br />CITY OF REDWOOD CITY SAN MATEO COUNTY CALIFORNIA <br />DATE: SEPTEMBER 15, 2020 SCALE: NOT TO SCALE <br />PAGE 2 OF 2 <br />c l SAN (925) 866-0322 <br />SACRAMENTO (916)375-1877 <br />9 <br />WWW CBANDG COM <br />CIVIL ENGINEERS • SURVEYORS • PLANNERS <br />F:13085-00MREDWOOD CITY1303 IRIS S RACADIEXHIBITSU(B-EXHIBIT B_0&M.DWG <br />ATTY/AGR.2020.226/SF19G, LLC (303 Iris Street) (Page 10 of 14) <br />