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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

Manitowoc crawler mounted lattice boom crane with luffing jib lifts structural steel wide flange column section to extend column where structural ironworkers are waiting on a scissor lift. Ashley Terrace, Ann Arbor, Michigan April, 2007.

Structural ironworkers on scissor lift guide crane supported structural steel wide flange column section into position to splice it to top of column below. Ashley Terrace, Ann Arbor, Michigan April, 2007.

Structural ironworkers on JLG 2032E2 20 ft scissor lift guide crane supported structural steel wide flange column section into position to splice it to top of column below. Ashley Terrace, AnnArbor, Michigan, 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.

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.

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.

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 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

Canon EOS 20D |

More details: exif |

Original size: 927x1420 |

Current: 392x600 |

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