Structural ironworkers guide precast hollow core concrete slab member onto its supports, beam on left and beam and seat angle on right. Precast member is supported by Manitowoc crane. Ashley Terrace, Ann Arbor, Michigan April, 2007.
ConstructioncraneManitowochollow coreprecastironworkerworkerconcretefloordeckslabseat angletag lineAshley TerraceAnn ArborMichiganApril2007steelstructureprecast erection 4788
From Concrete Construction: reinforcing, forms, saw, shore, precast, erect