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INDIAN RIVER COUNTY JULY 25, 2014 <br />INTERGENERATIONAL RECREATION CENTER 100% CONSTRUCTION DOCUMENTS <br />least 12 inches, and sealed by waterproof tape or adhesive. Cure for not less than seven <br />days. Immediately repair any holes or tears during curing period using cover material <br />and waterproof tape. <br />a. Moisture cure or use moisture -retaining covers to cure concrete surfaces to <br />receive floor coverings. <br />b. Moisture cure or use moisture -retaining covers to cure concrete surfaces to <br />receive penetrating liquid floor treatments. <br />c. Cure concrete surfaces to receive floor coverings with either a moisture -retaining <br />cover or a curing compound that the manufacturer certifies will not interfere with <br />bonding of floor covering used on Project. <br />3. Curing and Sealing Compound: Apply uniformly to floors and slabs indicated in a <br />continuous operation by power spray or roller according to manufacturer's written <br />instructions. Recoat areas subjected to heavy rainfall within three hours after initial <br />application. Repeat process 24 hours later and apply a second coat. Maintain continuity <br />of coating and repair damage during curing period. <br />3.14 JOINT FILLING <br />A. Prepare, clean, and install joint filler according to manufacturer's written instructions. <br />Defer joint filling until concrete has aged at least one month. Do not fill joints until <br />construction traffic has permanently ceased. <br />B. Remove dirt, debris, saw cuttings, curing compounds, and sealers from joints; leave contact <br />faces of joint clean and dry. <br />Install semirigid joint filler full depth in saw -cut joints and at least 2 inches deep in formed joints. <br />Overfill joint and trim joint filler flush with top of joint after hardening. <br />3.15 CONCRETE SURFACE REPAIRS <br />A. Defective Concrete: Repair and patch defective areas when approved by Architect. Remove <br />and replace concrete that cannot be repaired and patched to Architect's approval. <br />B. Patching Mortar: Mix dry -pack patching mortar, consisting of one part portland cement to two <br />and one-half parts fine aggregate passing a No. 16 sieve, using only enough water for handling <br />and placing. <br />C. Repairing Formed Surfaces: Surface defects include color and texture irregularities, cracks, <br />spalls, air bubbles, honeycombs, rock pockets, fins and other projections on the surface, and <br />stains and other discolorations that cannot be removed by cleaning. <br />Immediately after form removal, cut out honeycombs, rock pockets, and voids more than <br />1/2 inch in any dimension to solid concrete. Limit cut depth to 3/4 inch. Make edges of <br />cuts perpendicular to concrete surface. Clean, dampen with water, and brush -coat holes <br />and voids with bonding agent. Fill and compact with patching mortar before bonding <br />agent has dried. Fill form -tie voids with patching mortar or cone plugs secured in place <br />with bonding agent. <br />Repair defects on surfaces exposed to view by blending white portland cement and <br />standard portland cement so that, when dry, patching mortar will match surrounding <br />color. Patch a test area at inconspicuous locations to verify mixture and color match <br />CAST -IN-PLACE CONCRETE 033000 - 18 <br />