I'm looking to measure the shop against an industry standard for the time in take in mhs to fabricate various runs of piping that will be assembled on a skid. Is there any general calculation that will help me in doing this? I've looked at welding calculators online but they are very specific on some of the parameters required and all I need for example is just the mhs it takes to weld up 10' of 1.5", XH,CS, ASTM A106-B Smls piping, with a few tees, valves, and flanges. If I had the weld inch total, I could just take that and times my mh rate, assuming a welder could bang out 80"- 100"/day, but the calculation I see for coming up with weld inch totals is different on different sites and I know it is dependent on wall thickness and the # of passes required. I appreciate it!
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