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Wastewater Treatment System %we ""' FALL CREEK Specifications ENGINEERING,INC. Excavation work to install the pipelines and other system components shall be to the overall configuration and dimensions shown on the plans. Contractor shall be responsible for locating all system components so that minimum slopes, setbacks, and clearances specified in the plans are maintained. Excavations shall be performed in the dry and in a manner that minimizes erosion, flooding and sedimentation. Excavated soils that are to be stockpiled on-site shall be placed in a location and manner that minimizes erosion and controls sedimentation. The contractor shall apply "best management practices" (BMPs) to control erosion and sedimentation in accordance with the requirements of the county of San Joaquin. `r. The contractor shall take extra precaution where excavating equipment may encounter existing %, underground utilities and other facilities of any nature. Contractor shall perform his operation in such a manner and shall exercise the greatest of care so as not to injure in any manner existing %W underground utilities, mains or facilities of any nature. Should the contractor injure, break or damage existing underground utilities, mains, or facilities of any nature in any manner, they shall ti,, repair the same at their own expense. If it does not appear feasible that the contractor can make needed repairs, then such repairs shall be made by the owner and the contractor shall be charged for such repairs. %W i 9.5. Thrust blocks, anchors, and pipe supports Any pipe greater than or equal to 3" in diameter shall be supported with thrust blocks. Thrust blocking shall be provided for all bends greater than 5 degrees and at all valves, tees, and other fittings or connections that generate energy. Thrust blocking shall consist of pured in place _ concrete bearing in clean undisturbed native soils and have on square foot of contact area for each 3-inch pipe diameter. 9.6. Pipe installation Pipe shall be joined by socket type solvent-welded fittings or threaded fittings. Plastic pipe shall be cut square, externally chamfered approximately 10 to 15 degrees, and all currs and fins removed. Solvent-welded joints shall be made in accordance with ASTM D 2855. The solvent recommended by the manufacturer shall be used. Care shall be exercised in assembling a pipeline with solvent welded joints so that stress on _ previously made joints is avoided. Handling of the pipes following jointing, such as lowering the assembled pipeline into the trench, shall not occur prior to the set times specified by the manufacturer. Solvents shall be applied to pipe ends in such a manner that no material is deposited on the interior surface of the pipe or extruded into the interior of the pipe during jointing. Excess cement on the exterior of the joint shall be wiped clean immediately after assembly. _ Threaded pipe joints shall be made using teflon tape or other approved jointing material. Solvent _ shall not be used with threaded joints. .IESSIE's GROVE WINERY 34 MAY 2002