When a welder is to be qualified for welding or torch brazing of piping on board ship in a limited or restricted space, the space restrictions shown in connection with figures 1 or 2 to § 57.05-3 must be used when welding and brazing the test joint.
Figure 1 to § 57.05-3 -Limited Space Restriction for Pipe Welding Performance Qualification
Figure 2 to § 57.05-3 -Limited Space Restriction for Pipe Brazing Performance Qualification
46 C.F.R. §§57.05-3