Addendums to drawings/specs - Laserfiche WebLink

Home Browse Search

B. Unions: ASME B 16.39,Class 150,black malleable iron;female pattern;brass-to-iron seat;ground joint. C. Cast-Iron Fittings: ASME B16.1,Classes 125 and 250. D. Steel Fittings: ASME B16.9,wrought steel,butt-welding type;and ASME B16.11, forged steel. E. Steel Flanges and Flanged Fittings: ASME B 16.5. F. Transition Fittings: Type, material,and end connections to match piping being joined. 2.4 JOINING MATERIALS A. Common Joining Materials: Refer to Division 15 Section "Basic Mechanical Materials and Methods" for joining materials not included in this Section. B. Brazing Filler Metals: AWS A5.8,Classification BAg-1 (silver). Filler metal containing phosphorus is prohibited. C. Joint Compound and Tape: Suitable for natural gas. D. Gasket Material: Thickness,material,and type suitable for natural gas. 2.5 VALVES A. Manual Valves: Conform to standards listed,or where appropriate,valves according to ANSI 221.15 and ANSI Z21.15a. B. Gas Valves,2 Inches and Smaller: ASME B16.33, 150 psi WOG,bronze body,bronze plug,straightaway pattern, square head,tapered-plug type,with threaded ends. C. Gas Valves,2-1/2 Inches and Larger: MSS SP-78,Class 125 or 175 WOG,lubricated plug type,semisteel body,wrench operated,with flanged ends. D. Automatic Shutoff Valves: ANSI Z21.21 or ANSI Z21.21a,for operation by appliance automatic shutoff device. Two inches and smaller with threaded ends and 2-1/2 inches and larger with flanged ends. 1. Operation: Electrical. E. Solenoid Valves: Bronze,aluminum, or cast-iron body; 120 volts a.c.,60 Hz,Class B continuous-duty molded coil;UL labeled and FM approved. Include ISC 6,NEMA 4 coil enclosure and electrically opened and electrically closed dual coils. Valve position is normally closed. Include threaded ends for 2 inches and smaller and flanged ends for 2-1/2 inches and larger. ADDENDUM#2 1607.001 - ORONO ICE ARENA(CP-2) Page 15488 -6