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J,L.I4 Y 7 ,�,I <br />ENVIRONMENTAL HEALTH <br />DEPARTMENT <br />Make-up Dimensions (Wet) <br />Pipe <br />Size <br />Make-up Dimensions <br />in <br />Imm Iin <br />Imm <br />NEEM <br />After the final nipple length is determined, cut the other end of <br />the nipple and taper it, making sure the nipple is on the taper- <br />ing tool in exactly the same position as the first taper that was <br />used to measure the insertion length. <br />If solvent is used to clean bonding surfaces, allow the <br />cleaner to evaporate. Apply adhesive to all bonding sur- <br />faces and insert the nipple into the line by lifting the line <br />or moving it to one side. Pushing the pipe back into the <br />line will push the nipple into the bell. Make certain all ta- <br />pers are tightly locked. <br />Replace the protective mesh covering if the repair is <br />made on 2" (50 mm)pipe. <br />Leaking Joints <br />Any adhesive -bonded joint that leaks during pressure testing <br />MUST BE REMOVED AND REPLACED. Follow the previous <br />Extensive Damage procedures using two sleeve couplings <br />and pipe nipple or fittings, as required. <br />After completing any necessary repairs to the piping system, <br />follow the proper testing sequence to verify the system's in- <br />tegrity. <br />For Dualoy 3000/1- <br />Repair <br />000/LRepair couplings are produced in 2 -6 inch (50-150 mm) sizes. <br />These couplings are Listed by Underwriters Laboratories, Inc. <br />for use in buried fuel systems and can be installed without in - <br />trench tapering. <br />Minor damage (delaminated areas under 1 inch (25 mm) in di- <br />ameter) is typically caused by impact and appears in the form <br />of light discoloration or small circumferential cracks. Minor <br />repairs can be made using haft -couplings or full couplings. <br />36 <br />