Polyethylene Water/Sewer - JM Eagle

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or together with internal pressure to exceed material strength and causefailure. Excessive installed bending in plastic piping systems, particularly atjoints, can exceed stress limits and result in failure. Pipe where joined to fittingsshould be laid true to line and grade and backfilled carefully to preventdifferential settlement, and thus excessive bending. See “Permanent MinimumBending Radius Limits.”Excessive stresses and failure of plastic pipe can also result from impact,indentations or deflection. Avoid excessive compaction forces and particularlyavoid installation of the pipe against a source of point loading. The bedfor the pipe and fill materials around the pipe must be free of rocks, blockingmaterials or other sources of point loading or deflection. Heavy machinecompaction as by roller or hydrohammer should be used only for consolidationof final backfill with a minimum of 18 inches of previously layered andcompacted backfill.ASTM D2774, “Standard Recommended Practice for Underground Installationof Thermoplastic Pressure Piping,” provides additional information fordirect burial of JM Eagle Municipal & Industrial Water or Sewer Pipe.2.1.6 Plastic Pipe Damage & RepairIndustry surveys indicate the primary causes for repair of plastic piping arefrom third-party damage and poor workmanship in the initial installation. Repaircan be minimized by using careful mapping and location methods andby proper training and inspection procedures. Repairing PE pipe is similarto repairing ductile iron and PVC water pipe. Mechanical couplings or fusionmethods can be used for damage, such as puncture, rupture, or saddle repair.The first step in making a repair is determining the problem.For smaller sizes, an electrofusion system is useful in making repairs to polyethylenepipe.HDPE WATER/SEWER PIPING SYSTEM TECHNICAL & INSTALLATION GUIDE9
3.0 INSTALLATION GUIDELINES3.1 HandlingJM Eagle Municipal & Industrial Water or Sewer Pipe is a tough flexible productthat is able to withstand normal installation handling. However, unusuallyrough handling of JM Eagle Municipal & Industrial Water or Sewer Pipe canresult in damage to the pipe wall. Care should be taken to avoid pushing or pullingJM Eagle Municipal & Industrial Water or Sewer Pipe over or around sharpprojections. JM Eagle Municipal & Industrial Water or Sewer Pipe is subjectto impact damage when dropped from excessive heights or when heavy objectsare dropped upon it, particularly during cold weather. Kinking or bucklingshould be avoided and any section of pipe that has been damaged in this mannershould be cut out. Based on pipe pressure tests, a good rule of thumb indetermining if a scratched piece of pipe should be cut out of the piping systemis: if the scratch depth is greater than 10 percent of the pipe wall thickness,then the section should be removed or repaired.3.2 UnloadingThe means by which PE Pipe is unloaded in the field is the decision andresponsibility of the customer. Preferred unloading is in units using mobilemechanical equipment such as forklifts or front-end loaders with adequateforks. Ensure that the equipment can handle the weight of thepipes (use JM Eagle catalog for book weights) and able to lift the pipebundles clear off the truck. Obtain and follow the handling instructions providedby the delivery personnel. Be extra cautious in handling pipe duringinclement weather.WARNING: Unsafe unloading and handling can result in damage to propertyor equipment, injury and death. Unloading and handling must be performedsafely. Keep unnecessary people away from the area during unloading.Only properly trained personnel should operate unloading equipment.Refer to the Plastic Pipe Institute’s Material Handling Guide for additionalguidance, available at www.plasticpipe.org/publications/material_handling_guide.html10 HDPE WATER/SEWER PIPING SYSTEM TECHNICAL & INSTALLATION GUIDE
Page 1 and 2: HIGH-DENSITyPOLYETHYLENEWATER/sewer
Page 8 and 9: Publications by the American Societ
Page 12 and 13: 3.2.1 Unloading Site RequirementsTh
Page 14 and 15: 3.4 DraggingOccasionally, when long
Page 16 and 17: 3.9 Pipe Placement in TrenchesJM Ea
Page 18 and 19: 4.0 TESTING4.1 Leak TestingThe inte
Page 20 and 21: Other pressure testing procedures m
Page 22 and 23: • The piping system is so designe
Page 24 and 25: ENGINEER.5.1 Damage AssessmentDamag
Page 26 and 27: 5.2 Heating Tool MaintenanceClean h
Page 28 and 29: Table 3Pipe SizeSocket Fusion Time
Page 30 and 31: 6.2 Butt Fusion: Reference PPI’s
Page 32 and 33: perature-measuring device should be
Page 34 and 35: Visually mitered (angled, off-set)
Page 36 and 37: Heat Soak Force—The force (pounds
Page 38 and 39: surized or non-pressurized main.6.2
Page 40 and 41: Figure DCorrectly Made Socket Fusio
Page 42 and 43: Caution: To assure flow control, ye
Page 44 and 45: Notes:
Page 47: Revised March 2011JME-11B© J-M Man

Polyethylene Water/Sewer - JM Eagle

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