Steel Construction: erect, connect, bolt, weld, crane, fall protection, pipe, ironworker,

structural steel erection, bolt, weld, fall protection, ironworker, construction, cranes, structural, tower crane, erection crane, tie off, lanyard, body harness, safety line, man lift, connectors, mobile, boom, wide flange, angle, column, girder, plate, camber, spud, wrench, turn, nut, truss, gusset, chord, Manitowoc, Grove, Link-Belt, rough, terrain, hook, JLG, coon, pipe, arc, shop, field, drawing, bridge, frame, hot, rolled, section

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Structural ironworker lights acetylene torch from common butane lighter to enlarge bolt hole so upper column section can be bolted to splice plate. Torch is fed acetylene and oxygen through hoses from acetylene and oxygen compressed gas tanks. Ashley Terrace, Ann Arbor, Michigan April, 2007.

Construction structural steel erect ironworker column building splice plate acetylene oxygen torch bolt Ashley Terrace Ann Arbor Michigan April 2007 structure steel erection 9302