The delay comes from a late decision, not the wall
Set the threat basis while the building is still on paper and protection gets drawn into the structure and the schedule from day one. Wait until layouts and procurement are fixed, and every change ripples outward at a cost. Sequencing the work zone by zone, with materials a crew can install around people still using the building, keeps a critical site running straight through construction. That is a planning problem, and it is one the industry already knows how to solve.
Early specification depends on choosing materials that fit standard construction sequencing.
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