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SPECIFICATION FOR REV. 4 <br /> PIPING MATERIALS PAGE 1/2015 OF 5 <br /> SPEC 4YR <br /> PIPING MATERIAL SPECIFICATION FOR CRIPPLE CREEK&VICTOR GOLD MINING COMPANY <br /> 4YR <br /> HDPE DR 11 <br /> SERVICE: Barren Solution <br /> Pregnant Solution <br /> Underground Fresh Water <br /> Underground Natural Gas <br /> Hydrochloric Acid <br /> CONSTRUCTION AND MATERIALS: 2"to 30"Butt Fusion Welded and Flanged <br /> ALLOWANCE FOR CORROSION: None <br /> GENERAL MATERIAL: High Density Polyethylene PE4710 ASTM D3350 <br /> Cell Classification PE 445474C <br /> MAXIMUM DESIGN PRESSURE: 189 psig @ 73°F, 153 psig @ 100°F, 124 psig @ <br /> 120°F, 94 psig @ 140°F <br /> TEMPERATURE RANGE: -20OF to 140OF <br /> MAXIMUM HYDROSTATIC TEST PRESSURE: 284 psig (Test below 100°F) <br /> See piping line list for specific test pressures <br /> NOTES: <br /> 1. Piping materials must be manufactured under ASTM D3350 with a cell classification PE 445474C. <br /> 2. Gaskets are required for all flanged connections between HDPE and Non-HDPE flanges (i.e. steel). <br /> Gaskets are not required for HDPE to HDPE flanged connections. <br /> 3. Piping systems in natural gas service shall comply with ASTM D2513 <br /> 4. Maximum design pressure is based on the use of specific fittings listed below, fittings shall be <br /> purchased that meet the maximum design pressure. Other fittings shall not be used without written <br /> approval from the Owner. Crosses and Wyes are not allowed without approval from piping engineer. <br /> 5. Where joining fittings of different DR,taper to match. <br /> 6. Molded fitting and Flanged / Mechanical Joint Adapters shall meet ASTM D3261 standards. <br /> Fabricated fittings shall be fabricated using Data Loggers. <br /> 7. Electrofusion fittings shall only be used under the direction of the piping engineer. Electrofusion fittings <br /> shall meet the design pressure rating of this specification and ASTM F1055. <br /> 8. Lug style valves are preferred over wafer style valves. <br /> 9. For Hydrochloric Acid service valves, blinds and bleed rings shall be selected and approved by the <br /> piping engineer. <br /> Q10. All flange connections in Hydrochloric Acid Service shall be installed with flexible flange safety shields. <br /> Shields shall be, PVC Safety Spray Shields as manufactured by Advanced Product& Systems for an <br /> Qoperating temperature of 140°F maximum. <br /> 11. Purchase flange bolts with lugged butterfly valves. <br /> Q 12. All flange fit-up between HDPE and flat face flanges on piping and equipment shall use an SP-035 filler <br /> ring. <br /> Q13. Viton gaskets shall be used in Hydrochloric Acid Service "HCL" <br /> Instrument Connection <br /> Qz <br /> Thermowell: 2"flanged connection <br /> Pressure Gage: 2"flanged ball valve V13-131T (V8-1371TG in HCL service only) <br /> Orifice Taps* None allowed <br /> Line Vents/Drains: 2"flanged ball valve VB-131T <br /> 4YR <br />