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R/W A -4-1R/W <br /> Alternate edge 12" Min dia cross <br /> pipe when required <br /> Set pipe in line with ,�` (See notes 5 & 6) <br /> existing ditch at ________________ — <br /> elevation 0.25' to 0.50' - - - - - - - - <br /> below existing flowline --- ———————————————— �25' R <br /> Ditch flowline <br /> Material per <br /> chart below AEdge of existing pavement <br /> RURAL DRIVEWAY <br /> TYPE W STRUCTURAL SECTION PCC <br /> (Min) (Max) AC ARMin) (Min) <br /> Rural <br /> Residential 12 25 2AC/4„AB 4 <br /> Commercial, 2" /6" <br /> Agricultural and 15' 40' Ac AB 6" <br /> Industrial <br /> Existin Var Existin Var <br /> 9 9 <br /> pavement pavement <br /> 0.5' Mini Variable slope (107V2)) <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 /> r Approved by: <br /> V, DRIVEWAYS - TYPE D & E <br /> FOR AGRICULTURAL AND RURAL `v <br /> 4;Z% No. Revision Description Date <br /> COUNTY OF SAN JOAQUIN <br /> DEPARTMENT OF PUBLIC WORKS <br /> WorkWg for YOU Date: DEC 2014 Std. Dwg. No. R-17 <br />