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R/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 />Ditch flowlin <br />A <br />W <br />---1- ------- -- - <br />Material per - <br />chart below <br />12" Min dia cross <br />pipe when required <br />(See notes 5 & 6) <br />A r Edge of existing pavement <br />RURAL DRIVEWAY <br />TYPE <br />W <br />STRUCTURAL SECTION <br />PCC <br />(Min) <br />(Max) <br />AC/AB(Min) <br />(Min) <br />Rural/4" <br />Residential <br />AC AB <br />4" <br />Commercial, <br />2AC/6AB <br />Agricultural and <br />15' <br />40' <br />6" <br />Industrial <br />Existing <br />pavemer <br />0.� <br />Existing �Var� <br />pavement <br />7ma2x)7 <br />Variable slope (10 <br />to meet existing ground <br />SECTION A -A <br />NOTES: <br />1. 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 />2. At an intersection, no driveway shall be placed within 30' of the <br />point of intersection of the master planned R/W lines. <br />3. Driveways shall be at right angles to the street. <br />4. 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 <br />-TYPED & E <br />FOR AGRICULTURAL AND RURAL <br />COUNTY OF SAN JOAQUIN <br />DEPARTMENT OF PUBLIC WORKS <br />Date: DEC 2014 Std. Dwg. No. R-1 <br />