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4" (-ON](- <br />V24 DRAIN BOX W/ <br />18" X 19 112" GRA <br />TG (SEE PLAN) <br />12" NATe BAACK�FIILL <br />04 <br />a <br />Of <br />Ld <br />a <br />SHALL 0 W GRAVEL BA SIA <br />ELEVATION VIEW- NTS <br />ORIGINAL GROUND <br />DRAIN ROCK <br />PEA SIZE CLEAN (NO FINES) <br />FILTER FABRIC <br />ENCLOSE ALL ROCK SURFACES <br />PROVIDE 12" OVERLAP AT SEAMS <br />6"0 PERFORATED PVC <br />SHEET EXHIBIT B REVISIONS DATE ENGINEERS sMP <br />INFILTRATION TRENCH CML ENGNEERS <br />2 3040 GOODWIN AVE. 1534 CAROB LANE <br />Of LOS ALTOS, 940 <br />CITY COUNTY STATE TEL: (650) 94141 —60555 <br />2 REDWOOD CITY SAN MATED CALIFORNIA SCALE, N,T,S FAX: (650) 941-6755 <br />ProJect Na MMI Desbwd Ss. Cued" SR Date-06R7/aR2 E—MAIL: SMPENGINEERSO YAHOO.COM <br />ATTY/AGR.2022.324/Michael Chojnacki (Page 10 of 16) <br />