I understand that if the welder is welding to a back gouge or backing bar he is qualified, but this welder is making a CJP weld by tacking up, rooting out and capping. Then he comes back after the weld has been back gouged and welds the other side. So the welder is making the complete weld. Is...
4.22 Essential Variables
Changes beyond the limitation of essential variables
for welders, welding operators, or tack welders shown in
Table 4.10 shall require requalification.
4.23 CJP Groove Welds for
Nontubular Connections
See Table 4.8 for the position requirements for welder
or welding...
Could someone please direct me to where in AWS is this information found. Tribal knowledge is great but in the Nuclear sector this information must needs to be proven. What Section and paragraph of AWS D1.1 or AWS D1.6????
If a welder qualifies to AWS with backing, is he qualified to weld without backing? The welder who is not qualified to weld (CJP) without backing, the grove side, then flipped it over and backgouged and then welded the other side. Is this allowed?
