I am a certified weldor up here in MA with the most ambiguious codes in the country. I am certified to weld pipe in any position under AWS(american welding socity) structual code D1.1 with 6010, 6010 root and TIG root 7018 cover pass as well as SS. The state of MA just says "a certified welder under direct supervision of a liscenced plumber" . I can not get a straight answer out of anyone as to what I need for a piece of paper. A plumber friend of mine has a big job coming up with lots of welded gas pipe, and I just want to know exactly what the state wants as far as a cert. Thanks, John.
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