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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 1` <br />(HOLES FACE DOWN) �I j <br />BUBBLE UP <br />5" SQUARE GRATE NDS <br />GRATE OR EQUAL <br />4" SOLID PVC <br />SUBDRAIN PIPE <br />r <br />1. <br />PLANTING IN TRENCH AREA <br />PER NOTE 2, THIS SHEET. <br />L;II1: IIl�' <br />-- NATIVE SOIL <br />1-1I— tGEOTEXTILE FILTER FABRIC <br />I II.,(MIRAFI 700 OR EQUIVALENT) <br />4" PERFORATED <br />- PVC RISER <br />II1-11; <br />AGGREGATE ROCK LAYER <br />-111 1.5" TO 2.5" DIAMETER <br />1 CAP 4" RISER PIPE AT <br />I� BOTTOM OF GRAVEL LAYER <br />I—III: <br />=1 [� <br />1 I I1=1 I I� <br />BEDDING SAND <br />lel I I_=1 II I f 1f —I=C 1 I-1 I i=lll—I I <br />=III 1 f 1-llf�Ilf il—ill,1 I i111l,1I„IlIi„ 11T11= 1 = <br />—I 1=Fill <br />�—- <br />[-H] 7 <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 />20 HYDE STREET <br />CITY OF REDWOOD CITY SAN MATEO COUNTY CALIFORNIA <br />DATE: OCTOBER 25, 2024 SCALE: NOT TO SCALE <br />PAGE 2 OF 2 <br />CbgSAN RAMON (925) 866-0322 <br />ROSEVILLE (916) 375-1877 <br />WWW,CBANOG,COM <br />CIVIL ENGINEERS • SURVEYORS • PLANNERS <br />F:\3085-000\REDWOOD CITY\O HYDE STIACAMEXHIBITS\XB-EXHIBIT B_0&M_HYDE ST.DWG <br />ATTY/AGR.2025.241/Norcal Home Builders (20 Hyde St) (Page 11 of 14) <br />LTJ <br />— — <br />=1f1.- li <br />o <br />I,;III i <br />4" SOLID PVC <br />w <br />SUBDRAN PIPE �I <br />S=1% MIN [ [ <br />Q <br />z <br />� <br />Q <br />�lfl! <br />o <br />=D <br />0r <br />II <br />Lci <br />!=11 l- <br />cif <br />=111—I <br />Q <br />1-1 I E <br />Al <br />ol—I1 <br />i -lil= <br />ILI 11= <br />4" PERFORATED PVC PIPE <br />TO DIFFUSE STORM WATER 1` <br />(HOLES FACE DOWN) �I j <br />BUBBLE UP <br />5" SQUARE GRATE NDS <br />GRATE OR EQUAL <br />4" SOLID PVC <br />SUBDRAIN PIPE <br />r <br />1. <br />PLANTING IN TRENCH AREA <br />PER NOTE 2, THIS SHEET. <br />L;II1: IIl�' <br />-- NATIVE SOIL <br />1-1I— tGEOTEXTILE FILTER FABRIC <br />I II.,(MIRAFI 700 OR EQUIVALENT) <br />4" PERFORATED <br />- PVC RISER <br />II1-11; <br />AGGREGATE ROCK LAYER <br />-111 1.5" TO 2.5" DIAMETER <br />1 CAP 4" RISER PIPE AT <br />I� BOTTOM OF GRAVEL LAYER <br />I—III: <br />=1 [� <br />1 I I1=1 I I� <br />BEDDING SAND <br />lel I I_=1 II I f 1f —I=C 1 I-1 I i=lll—I I <br />=III 1 f 1-llf�Ilf il—ill,1 I i111l,1I„IlIi„ 11T11= 1 = <br />—I 1=Fill <br />�—- <br />[-H] 7 <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 />20 HYDE STREET <br />CITY OF REDWOOD CITY SAN MATEO COUNTY CALIFORNIA <br />DATE: OCTOBER 25, 2024 SCALE: NOT TO SCALE <br />PAGE 2 OF 2 <br />CbgSAN RAMON (925) 866-0322 <br />ROSEVILLE (916) 375-1877 <br />WWW,CBANOG,COM <br />CIVIL ENGINEERS • SURVEYORS • PLANNERS <br />F:\3085-000\REDWOOD CITY\O HYDE STIACAMEXHIBITS\XB-EXHIBIT B_0&M_HYDE ST.DWG <br />ATTY/AGR.2025.241/Norcal Home Builders (20 Hyde St) (Page 11 of 14) <br />