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A <br />- [-�*—W <br />Alternate edge <br />Set pipe in line with <br />existing ditch at ________________ <br />elevation 0.25' to 0.50' - -- - - - - - -- <br />below existing flowline ------------------ <br />NOTES: <br />1. <br />2. <br />Ditch flowline <br />---IR/W <br />12" Min dia cross <br />pipe when required <br />(See notes 5 & 6) <br />25' R <br />Material per J <br />chart below A Edge of existing pavement <br />TYPE <br />W <br />STRUCTURAL SECTION <br />PCC <br />(Min) <br />(Max) <br />AC/AB(Min) <br />(Min) <br />Rural12' <br />Residential <br />25' <br />2" /4" <br />4" <br />Ac AE <br />Commercial, <br />2 <br />Agricultural and <br />15 <br />40 <br />AC AB <br />6" <br />Industrial <br />Existin Var Existin �Var <br />poveme t pavement _ <br />Variable slope (10% maa ) <br />0.5' Min to meet existing ground <br />SECTION A -A <br />Flowline of pipe shall be a min of 3" below ditch flowline and a max <br />of 1/2 the diameter of the pipe, below ditch flowline. <br />At an intersection, no driveway shall be placed within 30' of the <br />point of intersection of the master planned R/W lines. <br />Driveways shall be at right angles to the street. <br />Circle driveways are to be no closer than 75' between centers (residential) <br />or 80' between centers (commercial). <br />5. When cross pipe is used, it shall extend a minimum of 3' past the toe of fill <br />slopes of the driveway, all fill shall be compacted to 95% relative compaction. <br />Maximum fill slope 2:1. <br />6. Pipes shall be Class 2 (min) RCP, or 0.079" Galvanized Corrugated Steel pipe, <br />the size varies according to the hydraulic requirement. <br />7. Fire access roads and driveways shall comply with the San Joaquin County <br />Fire Chiefs Association, fire access road standards. <br />DRIVEWAYS - TYPE D & <br />Working for YOU <br />E <br />FOR AGRICULTURAL AND RURAL <br />COUNTY OF SAN <br />JOAQUIN <br />DEPARTMENT OF PUBLiC WORKS <br />Date: DEC 2014 Std. DWg. No. R-17 <br />