Laserfiche WebLink
Edgewater Creek Bridge Replacement November 2023 164 PVC Pipe and Fittings 1 The Contractor shall exercise care in handling, loading, unloading and storing to avoid 2 damage. The pipe and fittings shall be stored under cover, and shall be transported in a 3 vehicle with a bed long enough to allow the length of pipe to lay flat, so as not to be subject 4 to undue bending or concentrated external load at any point. Any pipe that has been 5 dented or damaged shall be discarded until such damage has been cut out and the pipe 6 is rejoined with a coupling. 7 8 PVC pipe ends shall be cut to ninety (90) degrees to the pipe length and cleaned of all 9 cutting burrs prior to cementing. Use approved reaming tool. Pipe ends shall be wiped 10 clean with a rag and lightly wetted with PVC primer. Cement shall be applied with a light 11 coat on the inside of the fitting and heavier coat on the outside of the pipe. Pipe shall be 12 inserted into the fitting and given a quarter turn to seat the cement. Excess cement shall 13 be wiped from the outside of the pipe. Pipe will be tested as indicated elsewhere in these 14 specifications. 15 16 Appropriate primer shall be used with solvent glue. Solvent welded joints shall be given 17 at least fifteen (15) minutes set-up time before moving or handling. Pipe shall be partially 18 center loaded to prevent arching and slipping. No water shall be permitted in pipe until a 19 period of at least ten (10) hours has elapsed for solvent weld setting and curing. 20 21 Before pressure testing, soluble weld joints shall be given at least twenty-four (24) hours 22 curing time. 23 24 No PVC pipe may be threaded or connected to a threaded fitting without an adapter. Use 25 Teflon tape on all male threads. 26 27 Great care must be taken to insure that the inside of the pipe is absolutely clean. Any 28 pipe ends not being worked on must be protected and not left open. 29 30 Pipe size for laterals shall be sized according to industry standard PSI/100 pipe sizes. 31 32 Brass Pipe and Fittings 33 Brass pipe if need for meter and DVCA connection shall be installed in accordance with 34 the local Plumbing Code. 35 36 Teflon tape all male threads to prevent leaks and corrosion. 37 38 Wrap all brass pipes with black PVC tape where they pass through grouted openings in 39 concrete vaults. 40 41 Automatic Controllers 42 Install and program irrigation battery controllers per manufacturer's Specifications at each 43 valve location. 44 45 Double Check Valve Back-Flow Prevention Device 46 Install the Double Check Valve Assemblies (DVCAs) in accordance with local plumbing 47 code to provide one DVCA per point of connection. 48 49 For proper maintenance, the Double Check Valve Assembly shall be located with 50 sufficient clearance from other site features and away from traffic patterns. 51 52