Ive tested for several gas companies in so calif and they all gave a 12" weld 5g 14" off ground, bottom section of 30" 14" off the ground
12" branch test they let us use templates. fillet weld plates making like a lap weld horiz & overhead.
ran 5p+ roots with 7010 fill and cap, 7010 hpy all the way out. good luck
Once you learn how to lay out and cut a branch, with a Graves, you can knock one out really fast. I have seen welders lay out, cut, fit, grind and tacked up for test with standard wall pipe in less than a hour.
Granted, not many.
Your time is in the fitting and grinding.