2004-013.C - Laserfiche WebLink

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Engineer shall make the final decision as to the acceptability of the well point system or any part thereof. ' Where necessary , pea gravel or graded sand shall be used in conjunction with the well points as they are installed in insure continuous pumping in the dewatering of fine material . The cost of dewatering shall be included in the various unit prices bid under water main installation. ' 7 . Disposal of Water from Excavations - All water pumped or bailed from trenches or other excavations shall be conveyed in a proper manner to a ' suitable point of discharge by the Contractor at his own expense . The Contractor shall provide for the disposal of water removed from ' excavations in a manner that will not cause injury to public health, private or public property, any portion of the work completed or in progress , the surface of the streets, or cause any impediments to the reasonable use of the site by other Contractors . The Contractor shall be responsible for complying with all the local regulations and those of the Department of Environmental Regulation regarding pollution of waterways . Should the size of Contractor' s ' dewatering equipment, or the quantity of disposed water, or the method of disposal require a St. Johns' River Water Mgmt. District permit, the Contractor shall obtain such permit at no additional expense to the Owner and ' with no additional time added to the Contract. The Contractor shall take special precautions to eliminate any odor problems resulting from the discharge of sulfide water, such as the use of submerged discharge outlets and overflow ' basins . 8 . Preparation of Trench - Trenching as shown on the Plan details shall be standard for this project. The trenches shall be constructed by excavating to the depth indicated on the Plans . The trenches shall then be manually shaped to fit the bell and lower quadrant of the pipe barrel . Mechanical excavation shall be limited to provide an undisturbed trench ' bottom for the lower quadrant and bell of the pipe . Final excavation shall require hand shaping for placement of the pipe . If mechanical overcutting occurs, the pipe bedding shall consist of four (4) inches of washed and graded ' sand or crushed rock on undisturbed soil . C . Laving of Pipe ' All pipe , fittings and valves shall be installed according to AWWA Specification C600 for ductile iron pipe or AWWA M23 for P .V . C . pipe . Prior to installation, all pipe and appurtenances shall be examined for damage and defects . Under no circumstances shall defective pipe be installed . All lumps , blisters and excess coating materials shall be removed from the socket and plain ends of each pipe . While being placed in the trench, care shall be taken to prevent foreign material from entering the pipe . CAD own Ioad\techspec-0250Ldoc SC501 - 8