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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 J <br />PROJECTS GUIDE APPENDIX K. <br />"'=1II�II1`I II- <br />LJ — <br />=11 I= <br />CD <br />- 4" SOLID PVC <br />Iz SUBDRAIN PIPE <br />ISI � <br />-1II� <br />Pf <br />z � <br />Q <br />Ln=D -{1= <br />cy <br />1—f lI <br />=f 11= <br />=1 1I— <br />i=I 1 <br />=1T <br />1TI 1I <br />4" PERFORATED PVC PIPE <br />TO DIFFUSE STORM WATER <br />(HOLES FACE DOWN) <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. j <br />I - <br />NATIVE SOIL <br />GEOTEXTILE FILTER FABRIC <br />(MIRAFI 700 OR EQUIVALENT) <br />1111 I1 [� 4" PERFORATED <br />_i11�1II PVC RISER <br />11 AGGREGATE ROCK LAYER <br />f I—III= 1.5 TO 2,5" DIAMETER <br />CAP 4" RISER PIPE AT <br />BOTTOM OF GRAVEL LAYER <br />to <br />BEDDING SAND <br />=1 I IEI I hI 11=1 I]=1 11=1 19=111=1 f I i f 1=1 <br />1—I I El 11-1 11 � i -f 11=I 1 11— <br />�lf 11i111111�11111t1111..i111111111i IIIl11111I� lI� <br />PER SHEET GP -1 <br />INFILTRATION TRENCH <br />NOT TO SCALE <br />EXHIBIT B <br />1505 GLENN WAY <br />CITY OF REDWOOD CITY SAN MATEO COUNTY CALIFORNIA <br />DATE: JUNE 1, 2022 SCALE: NOT TO SCALE <br />PAGE 2 OF 2 <br />�� SAN RAM (9) 866-0322 <br />ROSEVILLE (91616) 375-18771877 <br />W W W.CBANDG.COM <br />CIVIL ENGINEERS • SURVEYORS • PLANNERS <br />F:13085.00MREDWOOD CITY11505 GLENN WAY64CADIEXHIBITSIXB-EXHIBIT B 0&M_1505 GLENN WAY.DWG <br />ATTY/AGR.2022.380/SF21G, LLC (Page 10 of 13) <br />