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Shoutout to the diver who said torch cut the flange instead of grinding, saved me 3 hours in Galveston
Had a 30 inch flange on a riser in Galveston last month and I was planning to grind the welds off, which was going to eat most of my bottom time. A guy on the crew said just torch it from the wet side with a Broco rod and skip the grinder entirely. I tried it his way and finished the cut in 40 minutes versus the 4 hour grind I had budgeted. Now I keep a rod in my bag for every job, but some of the older guys on the boat say burning is risky on anything structural. Anyone actually had a burn bite them on a flange like this, or is that just old timer talk?
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joel_butler9d ago
Man I've been burning flanges with Broco rods for years and never had one bite me. Key is getting your ground right and not rushing the pierce. I did a 24 inch in Fourchon last spring, same deal, skipped the grinder and saved half a day. The old timers say that because they grew up on oxy arc and saw guys wash out a cut. Wet side burning is different if you set it up right. Only time I came close was when my ground clamp was loose and the rod stuck on me. Check your ground twice and send it.
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