Vol 2 - Garney Construction

SECTION 22 10 01.08POLYETHYLENE (PE) PIPE AND FITTINGS—NATURAL GAS SERVICEItem Size DescriptionGeneral All Pipe lengths, fittings, and connections to be joined bythermal fusion; shall be same type, grade, and class ofpolyethylene compound and supplied from same rawmaterial supplier.Pipe tubing and fittings manufactured in accordance withASTM D2513.Pipe 1/2" to 12" ASTM D2513 medium-density polyethylene, maximumallowable hoop stress 1,250 psi at 73.4 degrees F.Polyethylene Resins: Conform to Type PE 2406/2708 orbetter.Pipe wall thickness shall reflect required SDR* anddiameter, as shown in Table 8, ASTM F714.Design Stress Rating: ASTM F1924, 1250 psi hydrostaticdesign basis (HDB).Pressure Rating (psi)at 100 degrees F SDR*100 7.0100 7.3100 9.097 9.380 11.064 13.5Note: Installed outdoors and underground only. Operatingpressure for natural gas piping shall be limited to 100 psigor less per 2009 IFGC.Identification: Pipe and fittings shall be yellow in colorand shall be marked “ASTM D2513”.*SDR: standard dimension ratio = OD/thicknessFittings 4" & smaller Molded Fittings: Conform to PE 2406/2708.Socket Fusion Fittings: Meet requirements of ASTMD2683.Butt Fusion Fittings: Meet requirements of ASTM D3261.Flanges All Flanges not permitted underground. Above ground, flangesand bolting shall be part of approved, listed transitionfitting.PW/WBG/382059HIGH-DENSITY POLYETHYLENE PIPE ANDAUGUST 15, 2012FITTINGS—WATER AND SEWER SERVICE©COPYRIGHT 2012 CH2M HILL 22 10 01.08 DATA SHEET - 1