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A TRUE COPY <br /> @ E <br /> r <br /> b. Joints: Rubber and steel joint for prestressed <br /> pipe in accordance with-current Lock Joint Pipe <br /> Company Specification on SPS, or equivalent. <br /> Joints for bell and spigot and tongue and groove <br /> pipe to be in accordance with current standard <br /> practice. Joints may be made using confined <br /> continuous rubber gasket. <br /> 2. Cast Iron Pipe <br /> a. Materials: Pipe must conform to current ASTM <br /> Specification A142 for "Standard Pipe." <br /> b. Joints: Bell and spigot, caulked with lead and <br /> oakum, or and approved mechanical type. <br /> 3. Polyethylene Pipe <br /> a. Materials: Pipe must conform to current ASTM <br /> Specifications D2104, Schedule 40, for standard <br /> pipe. <br /> 4. Steel Pipe <br /> a. Materials: Pipe must conform to current ASTM <br /> Specification A120, Schedule 40. <br /> b. Joints: All joints must be welded or of an <br /> approved mechanical type. <br /> F. Carrier pipe with and internal pressure less that 30 psi <br /> shall have the ends of the casing pipe sealed after <br /> installation. <br /> G. Carrier pipe with and internal pressure of 30 psi and over <br /> shall have the casing pipe open at the ends if local <br /> conditions permit water from leaks to discharge into <br /> drainage ditch of manhole. If this is not practicable, the <br /> casing pipe shall be sealed at both ends and 4 inch relief <br /> vent provided at either end off the Railways right of way, <br /> which shall discharge into drainage ditch or sewer. <br /> -Easing pine shalt -lave a minimum inside diameter or 6.0 <br /> inches treater that the OWN= Rutside diameter ofthe <br /> carrier Dine, includim bg>> ends of flanges, <br /> H. Uncased high pressure gas pipe line crossings will be <br /> permitted provided they comply with the requirements of <br /> Chapter One, Part 5.2, Specifications for Uncased Gas <br /> Pipe Line within the Railway Right of Way (1993) , as is <br /> contained in the "Manual for Railway Engineers", issued by <br /> the American Railway Engineers Association", In the event of <br /> conflict the provisions of the "General Specifications for <br /> Subgrade and Above Grade Crossings of Railway's Right of <br /> Way" shall supersede. <br /> 4 <br /> „°, <br /> 77-71177"' <br /> sti17 <br /> df <br /> , <br />