Tilt-wall estimating fundamentals: panels, joints, and the lift sequence

Tilt-up looks like a slab problem. It's actually a panel sequencing problem with a slab as a casting bed.

1. A casting slab with isolation membrane and chamfer screeds. 2. A panel program — variable size, openings, embeds, lift inserts, brace inserts. 3. A lift and brace sequence that costs more than most estimators put in their bid.

If you bid it like flatwork plus walls, you'll lose every tilt-up project to a contractor who bids it like an industrial process.

Most projects use the building slab as the casting bed. The casting work — chamfer screed, bond breaker, panel layout — is additional to the building slab cost. It's not the same line item. We see contractors miss this and undercut themselves by $0.30–$0.80 / SF on the slab scope.

A 32' tall × 24' wide panel with two punched openings, four lift inserts, six brace inserts, and a roof embed is not a unit-rate item. It's a panel with parametric scope. Bedrock handles this with a panel assembly that takes height, width, opening SF, and embed schedule as inputs and derives concrete CY, rebar lb, embed lb, and forming hours.

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