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My Construction Photos > Structural ironworker holds acetylene torch fthat he will use 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. This photo shows the hoses and the valves that feed the torch. Ashley Terrace, Ann Arbor, Michigan April, 2007.
My Construction Photos > 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.
My Construction Photos > Structural ironworker uses wrench end of spud wrench to tighten nut on bolt of splice plate to lower column section, following installing bolt in bolt hole that was recently enlarged between splice plate and upper column section. Ashley Terrace, Ann Arbor, Michigan April, 2007.
My Construction Photos > Structural ironworker uses heat from acetylene torch to melt and cut temporary steel bolt to remove it and replace it with another bolt, following enlarging lower 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. Photo shows the gas control lever in the left hand of the ironworker. Ashley Terrace, Ann Arbor, Michigan April, 2007.
My Construction Photos > Structural ironworker uses heat from acetylene torch to melt steel at bolt hole 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.
My Construction Photos > Two structural ironworkers, one on scissor lift and one sitting on and tied to steel beam, inspect and discuss splice connection between two wide flange structural steel column sections. Upper, unattached column section is supported by crane cable at its top and held in alignment by bull pins and a bolt to lower column splice plates. Subsequent actions indicate the bolt holes for the second down left side of plate bolt (where left bull pin is inserted) do not line up, and ironworkers decide to increase size of hole in upper column section. Ashley Terrace, Ann Arbor, Michigan April, 2007.
My Construction Photos > As crane cable supports structural steel wide flange column section, structural ironworker inserts tapered end of bull pin into bolt holes in lower end of suspended column section 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.This adds to the support already provided by two inserted spud wrenches. The steel cable on lower column section is part of tensioned cable temporary diagonal bracing that supports the steel frame against lateral/ side loads until all connections have been completed. Ashley Terrace, Ann Arbor, Michigan April, 2007.
My Construction Photos > Structural ironworker on scissor lift uses short range radio to guide crane operator as the crane supports wide flange column section to be spliced on top of prevously erected column section. Ironworker is speaking into microphone of his chest mounted radio. Hisleft arm rests on the two splice plates of the connection between the two column sections. Ashley Terrace, AnnArbor, Michigan, 2007
My Construction Photos > The dark object is a structural steel plate to which steel studs/rods have been welded, which the two workers are attaching to the inside of the wall form so the studs will be embedded into the basement wall, and the face of the plate will face outward from the concrete wall. The two workers are standing on the work platform of a JLC hydraulic telescoping boom man lift. Toward us are the controls by which the workers can control travel of the lift and boom. Ashley Terrace, Huron St, Ann Arbor, Michigan 2006
Structural ironworker holds acetylene torch fthat he will use 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. This photo shows the hoses and the valves that feed the torch. Ashley Terrace, Ann Arbor, Michigan April, 2007.
My Construction Photos > Structural ironworker holds acetylene torch fthat he will use 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. This photo shows the hoses and the valves that feed the torch. Ashley Terrace, Ann Arbor, Michigan April, 2007.
Structural ironworker holds acetylene torch fthat he will use 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. This photo shows the hoses and the valves that feed the torch. Ashley Terrace, Ann Arbor, Michigan April, 2007.
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