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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 flowline <br />Material per - <br />chart below <br />A -440'_I <br />�W�� <br />/�R/W <br />12 Min dia cross <br />pipe when required <br />(See notes 5 & 6) <br />25' R <br />A `0 Edge of existing pavement <br />RURAL DRIVEWAY <br />TYPE <br />�/V <br />SECTION <br />PCC <br />(Min) <br />_STRUCTURAL <br />(Max) <br />AC ARMin) <br />(Min) <br />Rural)) <br />Residential <br />12' <br />25, <br />11 <br />2AC/4AB <br />11 <br />4 <br />Commercial, <br />2" /6" <br />Agricultural and <br />15' <br />4-0' <br />Ac AB <br />6" <br />Industrial <br />Existin Var Existin �Var <br />9 9 <br />pavement pavement <br />0.5' Mini Variable slope (10% max) <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 Son Joaquin County <br />Fire Chiefs Association, fire access road standards. <br />C <br />OUNTY OF SAN JOAQUIN <br />DEPARTMENT OF PUBLIC WORKS <br />Date: DEC 2014 <br />