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
Bridge construction, steel construction: Ironworker is taken by boat to temporary bridge pier, climbs up wood pier protection, sets ladder, and climbs ladder and pier steel to top to observe and report on movement of bridge as it is pushed out over river. Ironworker will release locks on rollers so bridge can be pushed, and after bridge push is completed, he will lock down rollers so bridge is held stable and cannot move until rollers are released at next bridge push. Tyngsborough, MA 2005.
Bridge construction, steel construction: Ironworker is taken by boat to temporary bridge pier, climbs up wood pier protection, sets ladder, and climbs ladder and pier steel to top to observe and report on movement of bridge as it is pushed out over river. Ironworker will release locks on rollers so bridge can be pushed, and after bridge push is completed, he will lock down rollers so bridge is held stable and cannot move until rollers are released at next bridge push. Tyngsborough, MA 2005.
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