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
As crane cable supports structural steel wide flange column section, structural ironworker inserts tapered end of spud wrench into bolt holes in lower end of suspended column sectiona and splice plate bolted to top of previously erected column section to hold, support the column section in position to splice it to top of column below. Ashley Terrace, Ann Arbor, Michigan April, 2007.
As crane cable supports structural steel wide flange column section, structural ironworker inserts tapered end of spud wrench into bolt holes in lower end of suspended column sectiona and splice plate bolted to top of previously erected column section to hold, support the column section in position to splice it to top of column below. Ashley Terrace, Ann Arbor, Michigan April, 2007.
Camera: Canon (Canon Eos 20d) |
Original size: 877px x 1422px |
Current: 278px x 450px |