RecDoc 2023-005136 STMMA - 380 Alameda De Las Pulgas_2.3.2023

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BUBBLE UP 5" SQUARE GRATE NDS GRATE OR EQUAL 2-4" COBBLES AROUND BUBBLE UP GRATE NATIVE SOIL I(,��1i11111 Ilali� N-" lf 11 IIII'alll 1 _I i , ; I I 1___.1 I f �II-11 I-- I— 11`I 1— -III-I 1 =1 i- -I i�l l l- 48" PERFORATED PVC PIPE �I TO DIFFUSE STORM WATER-- TO ATER-TO GRAVEL SECTION I =I (HOLES FACE DOWN) =1 _ I I 1 I T 1 � 1 I I NOTES: PLANTING 6" SOLID PVC PER LANDSCAPE PLANS RISER PIPE I l l -I I I^I I I^ N- I I-1 _1 I�71 11 - I —11 - NATIVE SOIL 1=1 I TI �I 1 1=1 �Il -I WRAP PERFORATED PIP WITH >;EQTEX LE FILTER FABRIC TO -1 + MINIMIZE CLOGGING —1 11--jMIRAFI 700 OR EQUIVALENT) I I�11 Il�l1 48" PERFORATED STORAGE PIPE NOT TO SCALE CONTRACTOR TO RIP BOTTOM OF TRENCH PRIOR TO BACKFILLING WITH GRAVEL AND LAYING OF PERFORATED PIPE. 2. CONTRACTOR SHALL CONSULT AND FOLLOW PIPE MANUFACTURE RECOMMENDATIONS FOR PIPE INSTALLATION TO ENSURE LONG TERM PERFORMANCE OF PIPE. 3. CONTRACTOR TO CAP BOTH ENDS OF PERFORATED PIPE. 4. PER REDWOOD CITY MUNICIPAL CODE A PERMANENT STORMWATER TREATMENT MEASURE IS TO BE PROVIDED, REQUIRED VOLUME OF TREATMENT IS PER SMCWPPP VOLUME CAPTURE SPREADSHEET. AT A MINIMUM 224 CF OF RUNOFF VOLUME CAPTURE IS TO BE PROVIDED. AGGREGATE ROCK LAYER 1.5" TO 2.5" DIAMETER EXHIBIT B 380 ALAMEDA DE LAS PUGLAS CITY OF REDWOOD CITY SAN MATEO COUNTY CALIFORNIA DATE: MAY 5, 2022 SCALE: V=20' PAGE 2 OF 2 C b SAN SACRAMENTO (916) 375-0322 1877 SACRAMENTO (916) 375-1077 WWW.CBANDG.COM CIVIL ENGINEERS • SURVEYORS • PLANNERS RQ085-000\REDWOOD CITY1380 ALAMEDA DE LAS PULGASIACADIEXHIBITSVB-EXHIBIT B_0&M 380 ALAMEDA DE LAS PULGAS.DWG ATTY/AGR.2022.365/Vasusen Subhash Patil and Vaishnavi Devi Kareddy (Page 11 of 14)