The photo above shows a boom operator hoisting a metwood truss into place on a concrete basement wall. The truss is held by a high strength rope that can hold heavy objects. The truss was picked up from the delivery truck and then moved to the slab. Laborers were in the basement with a 2x4 to help steady the truss to set it into place.
Once the truss is set, W-pans are set on top of the trusses to pour the concrete on. The pans over various depths so that the the concrete will be structurally sound throughout. The pans are shaped so that they can tie into each other on each end. The right side will clamp into the left so that the pans will act as one unit.
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