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L = Length of pipe on each side of fittings or change in direction <br /> iliw <br /> P = 150 psi, unless otherwise noted <br /> A = Cross-sectional area in square inches based on outside diameter <br /> (O.D.) of pipe <br /> X = Angle of bend or change in direction in degrees <br /> f = Coefficient of friction = 0.4 (maximum) <br /> W = W (earth) +W(pipe) + W (water in pipe) W(earth) <br /> _ (density of soil*) (depth of cover in feet) (O.D. in feet) <br /> * Maximum 12-lbs/cubic ft above maximum water table elevation <br /> and 60-lbs/cubic ft below maximum water table <br /> D. Bolts and nuts for restrained joints shall be 304 stainless steel. <br /> E. The Contractor shall also provide restrained joints in accordance with the above <br /> criteria wherever below ground fittings are on lines 12-inches in diameter or less. <br /> 14.06 HORIZONTAL SEPARATION <br /> A. All water and/or sewer utilities shall be located a minimum horizontal separation <br /> equal to the depth of the pipe plus the diameter of the pipe from any permanent <br /> above ground structures (i.e., walls, trees, transformer pads, etc.). <br /> B. A minimum 4-feet separation is required between water/sewer utilities and other <br /> underground utilities such as telephone, gas, cable, irrigation, etc. <br /> C. All water and/or sewer utilities shall be located a minimum horizontal separation <br /> equal to 2 times the depth of the pipe plus the diameter of the pipe from the top <br /> of bank of any bodies of water (I.e., storm water ponds, canals, etc.). <br /> D. All water mains shall be located a minimum horizontal separation of 3 ft. from <br /> storm sewer, stormwater force main or reclaimed water main. <br /> E. All water mains shall be located a minimum horizontal separation of 3 ft., with 10 <br /> ft. preferred, from vacuum sanitary sewer mains. <br /> F. All water mains shall be located a minimum horizontal separation of 6 ft., with 10 <br /> ft. preferred, from gravity or pressure sanitary sewer, sanitary sewer force main <br /> or reclaimed water main. <br /> 14.07 VERTICAL SEPARATION <br /> A. Maintain 18" vertical clearance between any water/sewer utility and any other <br /> underground utilities such as telephone, gas, cable, irrigation, etc. <br /> 14 - 8 <br /> I x,.0. 9. <br />