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INDIAN RIVER COUNTY JULY 25, 2014 <br />INTERGENERATIONAL RECREATION CENTER 100% CONSTRUCTION DOCUMENTS <br />b. Medium -density overlay, Class 1 or better; mill -release agent treated and edge <br />sealed. <br />c. Structural 1, B -B or better; mill oiled and edge sealed. <br />d. B -B (Concrete Form), Class 1 or better; mill oiled and edge sealed. <br />B. Rough -Formed Finished Concrete: Plywood, lumber, metal, or another approved material. <br />Provide lumber dressed on at least two edges and one side for tight fit. <br />C. Forms for Cylindrical Columns, Pedestals, and Supports: Metal, glass -fiber -reinforced plastic, <br />paper, or fiber tubes that will produce surfaces with gradual or abrupt irregularities not <br />exceeding specified formwork surface class. Provide units with sufficient wall thickness to resist <br />plastic concrete loads without detrimental deformation. <br />D. Chamfer Strips: Wood, metal, PVC, or rubber strips, 3/4 by 3/4 inch, minimum. <br />Rustication Strips: Wood, metal, PVC, or rubber strips, kerfed for ease of form removal. <br />F. Form -Release Agent: Commercially formulated form -release agent that will not bond with, <br />stain, or adversely affect concrete surfaces and will not impair subsequent treatments of <br />concrete surfaces. <br />1. Formulate form -release agent with rust inhibitor for steel form -facing materials. <br />G. Form Ties: Factory -fabricated, removable or snap -off metal or glass -fiber -reinforced plastic <br />form ties designed to resist lateral pressure of fresh concrete on forms and to prevent spalling of <br />concrete on removal. <br />1. Furnish units that will leave no corrodible metal closer than 1 inch to the plane of exposed <br />concrete surface. <br />2. Furnish ties that, when removed, will leave holes no larger than 1 inch in diameter in <br />concrete surface. <br />2.2 STEEL REINFORCEMENT <br />A. Reinforcing Bars: ASTM A 615/A 615M, Grade 60, deformed. <br />2.3 REINFORCEMENT ACCESSORIES <br />A. Bar Supports: Bolsters, chairs, spacers, and other devices for spacing, supporting, and <br />fastening reinforcing bars and welded wire reinforcement in place. Manufacture bar supports <br />from steel wire, plastic, or precast concrete according to CRSI's "Manual of Standard Practice," <br />of greater compressive strength than concrete and as follows: <br />1. For concrete surfaces exposed to view where legs of wire bar supports contact forms, <br />use CRSI Class 1 plastic -protected steel wire or CRSI Class 2 stainless-steel bar <br />supports. <br />2. For epoxy -coated reinforcement, use epoxy -coated or other dielectric -polymer -coated <br />wire bar supports. <br />3. For zinc -coated reinforcement, use galvanized wire or dielectric -polymer -coated wire bar <br />supports. <br />2.4 CONCRETE MATERIALS <br />CAST -IN-PLACE CONCRETE 033000 - 4 <br />