Ĭactus- Regarding your waterline AWWA question: I've worked 5 large bore waterlines as a rig welder, one 42" short line I contracted myself, so I have some experience but there are others who specialize in that niche and can speak more authoritavely than myself. Looks to me the welding falls under D1.1 but I dont have 65 to 72 dollars of curiosity. Welding of gasketed joints may require modification to the parameters of this welding standard. This standard recognizes ANSI/AWS D1.1 as the supporting document that provides more specific information. The design of field-welded joints is not described. Other welding required in field fabrication and installation of specials and appurtenances is also discussed. This standard describes field welding of three types of circumferential pipe joints: (1) lap joints (2) butt joints and (3) butt-strap joints. Cactus, I did a search and found this This standard describes manual, semiautomatic, and automatic field welding by the metal arc-welding processes for steel water pipe manufactured in accordance with ANSI/AWWA C200, Standard for Steel Water Pipe - 6 In.
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