05-D Animal Shelter Contract - Laserfiche WebLink

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Division 3-C Cast-In-Place Concrete FINISHING: Except where otherwise shown, floor slabs, risers, etc., shall be finished with a steel trowel and brought to a hard slick finish. Special care must be taken to remove all irregularities in floor slab. If necessary, floor shall be rubbed with a carborundum stone, machine sanded, or as otherwise directed to provide proper surface for floor finish. Porches shall have light broom finish after steel trowel. CURBS AND GUTTERS shall have float finish with all edqes tooled smooth. SIDEWALKS shall have a wood float finish and have all edges tooled. Provide deep tooled joint in walks 5'-0 o.c.. DRIVES shall be finished as walks except tool joints shall be 15' o.c.. PROTECTION: Protect fresh concrete from rain and cold weather as directed by the Architect. CURING: As soon as concrete has reached initial set, it shall be _ cured. Cure concrete floor by covering with Poly plastic (9 mi1 thick min.) and keep completely covered for seven days. Provide a 3" high dirt dam at edge of slab and flood slab with 1" of water for seven days. PATCHING AND FINISHING: Immediately after removing forms, all concrete surfaces shall be inspected and any bad joints, honeycomb, or other defects shall be patched before the concrete is thoroughly dry. Any concrete work not properly formed, out of alignment, or havitg a defective surface shall be brought to the attention of the Architect be£ore any attempt is made to correct the defect. When so directed, defective areas shall be chipped away to a depth of not less than 1" with the edges, perpendicular to the surfaces, and repaired as directed. The area to be patched and the surface around the same shall be wet to avoid absorption of water from patching mortar. The patch shall be made with the same material and in the same proportions used in the concrete, except that course aggregate shall be omitted and a. small amount of white cement added. Cover with burlap and keep wet for seven days. Exposed surfaces where necessary shall be rubbed with a carborundum stone.