Concrete restoration experience on commercial, multifamily, or other occupied-building projects beyond parking-garage-only work, or structural concrete experience (cast-in-place, post-tension, or formwork) on commercial, multifamily, or high-rise construction. Working knowledge of formwork, reinforcing steel, concrete placement, curing, and inspections; restoration candidates should also know concrete demolition, chipping, spall repair, and reinforcing-steel treatment.