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each side of the cut-in. After slowly filling the section and reversing the flow, the chlorinated water shall be retained for several hours then flushed until no odor of chlorine can be detected in the wastewater, or preferably until a check shall have been made for residual chlorine. CONTRACTORS are cautioned to use extreme care in testing. disinfection and flushing to :;event excessive WIIsting of water since the water being used is purchased ftom the Ci of St. Paul. Evidence of water wastage will permit the OWNER to invoice the CONTRACTOR for all such wastage. 305.0 METHODS OF MEASUREMENT AND PAYMENT 305.100 WATERMAIN AND COPPER SERVICE PIPE 305.1 01 WATER PIPE MEASUREMENT Watermain pipe shall be measured in lineal feet in place. Measurement shall be along the axis of the pipe with no deduction for fittings or valves. Branches will be measured from the center of the main to the end of the branch or center of hydrant. Alllengths will be measured in a horizontal plane unless the grade of the pipe is more than fifteen (15) percent. 305.102 PIPE PAYMENT Pipe will be paid for at contract price per lineal foot, which shall include the cost of furnishing all pipe, rubber gasket, joints and other material and of delivering, handling, laying, trenching, anchQring, backfilling, testing, disinfecting and shop inspection when required and all material or work necessary to install the pipe complete in place at the depth above specified. 305.200 CAST IRON FITTINGS 305.201 MEASUREMENT Cast iron fittings shall be measured by the pound. The weight of the fittings shall be "without joint accessories" and shall be the standard weight of fittings as published in "Pipe Economy Catalog No. 71" copyrighted in 1971 by the Clow Corporation. 305.202 PAYMENT Cast iron fittings shall be paid for at the contract unit price per pound installed. . Joint accessories are considered incidental to fittings. 305.300 VALVES, BOXES AND VALVE MANHOLES 300-18 1 I