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PART 3 - EXECUTION 3.01 FORMED SURFACES A. Forms shall not be stripped before the concrete has attained a strength of at least 30 percent of the ultimate design strength. This is equivalent to approximately "100- day- degrees" of moist curing. B. Care shall be exercised to prevent damaging edges or obliterating the lines of chamfers, rustications or corners when removing the forms or doing any work adjacent thereto. C. Clean all exposed concrete surfaces and adjoining work stained by leakage of concrete, to the satisfaction of the Engineer. D. Off -form finish. Fins and other projections shall be removed as approved. Tie cone holes and other minor defects shall be filled as specified in Section 03300. 3.02 FLOORS AND SLABS A. Floors and slabs shall be screeded to the established grades and shall be level with a tolerance of 1/8 inch when checked with a 12 foot straightedge, except where drains occur, in which case floors shall be pitched to drains as indicated. Failure to meet either of above shall be cause for removal, grinding or other correction. B. After Paragraph 3.02A procedures are accomplished, floors and slabs for particular conditions shall be completed as scheduled in one of the following finishes: 1. Wood float finish. Hand wood float with no coarse aggregate visible, maintaining the surface tolerance to provide a grained, non -slip finish as approved. 2. Broomed finish. Hand wood float maintaining the surface tolerance and then broom with a stiff bristle broom in the direction of drainage to provide a non -slip finish as approved. 3. Steel trowel finish. Steel trowel to a perfectly smooth, hard even finish free from high or low spots or other defects as approved and described in Paragraph 3.02C herein. C. Following screeding as specified above, power steel trowel as follows: 07/06 03350 -3 05 -5564