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n <br />u <br />u <br />r <br />L <br />C <br />L <br />I <br />rl�l <br />M`� <br />the Owner. All pipe and fittings shall be thoroughly cleaned before laying, shall <br />be kept clean until they are used in the work, and when installed or laid, shall <br />conform to the lines and grades required. <br />3.02 LAYING PIPE AND FITTINGS <br />A. Pipe and fittings shall be installed in accordance with requirements of the <br />manufacturer. <br />B. All pipe shall be sound and clean before laying. When laying is not in progress, <br />including lunchtime, the open ends of the pipe shall be closed by watertight plugs <br />or other approved means. <br />C. As soon as the excavation is completed to the normal grade of the bottom of the <br />trench, immediately place screen gravel or crushed stone (where applicable) <br />bedding in the trench, and then the pipe shall be firmly bedded in this material to <br />conform accurately to the line and grade indicated on the he drawings. Blocking <br />under the pipe will not be permitted. Bedding shall conform with the detail <br />drawings. <br />D. When cutting pipe is required, the cutting shall be done by machine, leaving a <br />smooth cut as right angles to the axis of the pipe. <br />E. Unless otherwise specified, pipe shall be joined in accordance with the <br />manufacturer's requirements and in a safe and secure manner. Pipe joints shall <br />be kept to a minimum. Leaks in joints shall be repaired immediately. <br />3.03 CLEANING AND FLUSHING <br />A. The pipe shall be thoroughly cleaned of all foreign matter before installation. It is <br />the Contractor's responsibility to insure cleanliness of the pipe during installation <br />and backfilling. At the conclusion of the work, the Contractor shall thoroughly <br />clean all of the pipe, if necessary, by flushing with water. Debris cleaned from <br />the lines shall be removed from the lowest outlet. If, after this cleaning, <br />obstructions remain, they shall be removed. <br />3.04 INSPECTION <br />A. After the pipe is cleaned, the Engineer will examine the pipe for leaks. If <br />defective pipes or joints are discovered at this time, they shall be repaired by the <br />Contractor. <br />END OF SECTION <br />06/07 02613 -3 03 -4197 <br />