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i <br />r <br />SmcnDN 3E - CAST -IN-PLACE C()NCRFTE <br />t PART 1 - MATERIAL REQUIREMENTS: <br />I <br />I . Cast -In -Place Concrete shall meet the following requirements: <br />A. PORTLAND CEMENT: American Standard Brand per ASTM C-159, <br />Type 1. <br />t B. DINE AGGREGATE: Shall be sharp. clean passing a #8 sieve meeting <br />ASTM C-33. <br />C. COARSE AGGREGATE: ASTM C-33 gravel or crushed stone. Size <br />{ graded from i" down. Size for column and beam pours shall be 1f2" and <br />down. <br />} D WATER: Shall be potable quality. <br />4 <br />E. STRENGTH: 3000 PSI at 28 days for columns and beams; 2500 PST for <br />foundations, slabs, and walks unless shown otherwise on the Drawings. <br />PART 2 - FINISHES <br />1. Force coarse aggregate from surface, screed level and float, machine trowell <br />smooth finish. Add broom texture and edge finish. <br />2. PLACE concrete as near to final position as possible to avoid segregation from <br />excessive handling. <br />3. MECHANICAL vibrator shall be employed to work concrete around reinforcing <br />steel, embedments and comers. <br />4. PARTIALLY hardened or retempered concrete shall not be used in any part of the <br />project. Water shall not be added to the design mix without written -Approval of the <br />Inspecting En ig neer Concrete so altered shall be removed and necessary repairs <br />made to replace same at no additional expense to the Owner. <br />5. Honeycombing or planes of weakness apparent in the exposed concrete work shall <br />be patched or removed and replaced at the discretion of the owner. Such repairs <br />shall be made at no additional cost to the Owner. <br />6. Continuous pipe screeds shall be employed by Contractor to ensure even and <br />uniform slopes as shown on the Drawings. <br />7. Exposed concrete shall be hand rubbed to uniform appearance. all voids floated. <br />PART 3 - TESTING <br />1. SLUMP & cylinder tests shall be made of all structural concrete in footings, beams, <br />columns and floors. <br />k <br />I <br />3E - t <br />