Laserfiche WebLink
SHEET 3 OF <br />BIO -RETENTION SOIL CONSIDERATIONS <br />THE BIO—RETENTION PLANTING SOIL SHALL MEET THE REQUIREMENTS SET FORTH IN APPENDIX L OF <br />THE SAN MATED COUNTY CLEANWATER PROGRAM C.3 STORMWATER TECHNICAL GUIDANCE HANDBOOK. <br />BIO—RETENTION SOIL SHALL HAVE A MINIMUM PERCOLATION RATE OF 5" PER HOUR AND MAXIMUM <br />PERCOLATION RATE OF 10' PER HOUR. IF NATIVE SOILS DO NOT MEET THIS PERCOLATION <br />REQUIREMENT, AN ADMIXTURE SHALL BE MIXED INTO PLANTING SOIL TO ALLOW FOR A W PER HOUR <br />PERCOLATION RATE. 1N -SITU TESTING SHALL BE CONDUCTED TO VERIFY THAT THE MATERIAL MEETS <br />THE PERCOLATION REQUIREMENTS. <br />NO BARK MULCH SHALL BE PLACED IN THE VEGETATED AREA. <br />0V0ELOW AREA DRAIN N 1REATMENr <br />BuLaNG .1 25t 1 2' <br />RANT AREA AROUND <br />AREAS WITH HEARTY ND -MDIs <br />TREATMENT AREA SHOWN PER <br />PLAN (LANDSCAPE PER C.3 <br />iA RMARDOM <br />7.7' <br />PLANTM <br />AREA <br />.-Ti ��� <br />PPE LAD ON WTIDM OF TRENCH °O <br />S•0m MN \ <br />z <br />>F <br />6' SOLD PIPE OUT M REIENTTTON—/ 14 <br />ATERPROOF MEM6RANE ON ALL SUES <br />AND BOTIGI (10 BE APPROVED BY <br />SOILS ENCNFFRJ D� NOT PLACE FlLTER <br />FND BETWEEII TREATLE]IT SOIL <br />AND ORAIN.ROC.). <br />16' YIN. OF BKF-TREATMENT SOIL <br />PER APPENDIX K OF THE SAN <br />-'MATED COUNTY G3 REGU.ARED <br />PROEMS DUDE. <br />12' IAN. CIF 3/4' CLASS 11 PERM ROCK <br />BIO -RETENTION AREA <br />TCM #11 <br />(SECTION VIEW) <br />Aw LEA & BRAZE ENGINEERING, INC. <br />CIVIL ENGINEERS - LAND SURVEYORS <br />BAY AREA REGION SACRAMENTO REGION <br />2495 INDUSTRIAL PKWY WEST 3017 DOUGLAS BLVD, If 300 <br />HAYWARD, CAUFORNIA 94545 ROSEVILLE, CA 95881 <br />(P) (510) 887-4086 (P) (916)966-1338 <br />(F) (510) 887-3019 (F) (918)797-7383 <br />WWW.L.EABRAZE.COM <br />CITY SID. <br />SIDEWALK <br />211/217 VERA AVE, <br />REDWOOD CITY <br />SAN MATEO COUNTY <br />JOB NO 2180013 Cl SCALE: 1"= 20' <br />ATTY/AGR.2019.266/211/217 Vera (Page 12 of 38) <br />