Specifications include, but are not limited to: 1(a) Patch Full Depth Concrete Topping Repairs: Full depth removal of unsound and sound concrete topping as shown on plans and as directed by the Engineer (depth of topping may vary) using saws and chipping hammers, cleaning and painting of any exposed steel precast connections, placing new high strength concrete and tooling and sealing patch perimeter per detail 1/R-4 and as specified. Bid price shall include cleaning and touchup striping/graphics at affected areas to match existing.; 1(b) Patch Full Depth Concrete Double Tee Slab Repairs: Full depth removal of sound and unsound concrete at double tee flanges on floor and/or soffit using saws and small chipping hammers as shown on plans and as directed by the Engineer, cleaning of any exposed steel precast connections for inspection by the Engineer, painting of all exposed precast connections, replacing the concrete with high strength concrete and tooling and sealing patch perimeter per detail 1/R-4 and as specified. Bid price shall include cleaning and touchup striping/graphics at affected areas to match existing.; 1(c) Patch Full Depth Slab-on-Grade Repairs: Full depth removal of sound and unsound concrete on floor using jackhammers as shown on plans and as directed by the Engineer, cleaning existing reinforcements, removal of corroded steel and replacement with new epoxy coated reinforcing to match existing size, supplementing new epoxy coated reinforcing and replacing the concrete with new high strength concrete and tooling and sealing patch perimeter. See detail 3/R-5.; 1(d) Patch Full Depth Settled Slab-on-Grade Repairs: Full depth removal of settled concrete on floor using jackhammers as shown on plans and as directed by the Engineer, compacting subgrade, providing and compacting gravel base, installing new epoxy coated reinforcing, installing new premolded joint filler around the area of repair, replacing the concrete with new high strength concrete and routing and sealing perimeter of the repair. See detail 4/R-5.; 1(e) Vertical Surface Repairs: Removal of deteriorated/damaged concrete at least 3/4” behind rebar from vertical wall and column surfaces using small chipping hammers, form and pour high strength concrete per detail 2/R-4 and as specified.
