type and size of pipe and related materials according to job specifications, knowledge of system operation, and study of building... weakening of the structure resulting from the installation of pipe. Lays out and marks position of pipe and passage holes...
and aluminum (Level II). 4+ years of experience as a Journeyman Welder preferred Experience using a variety of welding... using arc, submerged arc, gas-shielded arc, mig and tig machines. Selects type and size of pipe and related materials...