Laserfiche WebLink
BUBBLE UP <br />2-4" COBBLES AROUND 5" SQUARE GRATE NDS <br />BUBBLE UP GRATE GRATE OR EQUAL <br />4" SOLID KPIPE <br />PLANTING IN TRENCH AREA <br />BIORETENTION SOIL MIX SUBDRAINPER NOTE 2, THIS SHEET. <br />PER SAN MATEO COUNTY <br />WATER POLLUTION PREVENTIONPROGRAM C.3 REGULATED PROJECTS GUIDE APPENDIX K. <br />w I I <br />ME <br />IE, <br />o <br />,- 4" SOLID PVC <br />w SUBDRAIN PIPE <br />Q S=1 % MIN <br />w rl! l- <br />c <br />I ~ <br />J <br />=f 11= <br />c3r <br />Elf <br />I- <br />I -1 <br />-I I F <br />w Ed I <br />�11 <br />c <br />wy I—III <br />w1 11T <br />4" PERFORATED PVC PIPE <br />TO DIFFUSE STORM WATER <br />(HOLES FACE DOWN) <br />I=11 I� I I 1 I-1 iEL <br />=1 I �T=1-1r= I! 111 IT) IIII.�IIII�IIIII��lllltlIlll�Illll�l{I_i{s�lllf�lll <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 />1 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 />128 IRIS STREET <br />CITY OF REDWOOD CITY SAN MATEO COUNTY CALIFORNIA <br />DATE: AUGUST 31, 2020 SCALE: NOT TO SCALE <br />PAGE 2 OF 2 <br />SAN RAMON (925) - <br />cb SACRAMENTO (916) 375 375-1&771877 <br />WWW CBANoa COM <br />CIVIL ENGINEERS • SURVEYORS • PLANNERS <br />F:13085-000\REDWOOD CITY1128 IRIS S RACADIEXHIBITSU(B-EXHIBIT B_0&M.DWG <br />ATTY/AGR.2020.225/SF19G, LLC (128 Iris Street) (Page 10 of 14) <br />