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INDIAN RIVER COUNTY JULY 25, 2014 <br />INTERGENERATIONAL RECREATION CENTER 100% CONSTRUCTION DOCUMENTS <br />1. <br />2.02 MATERIALS <br />A. Lumber: ANSI/Voluntary Product 20, B & B Southern Pine <br />B. Plywood: ANSI/Voluntary Product PSI, APA A -C Exterior Grade. <br />C. Structural Steel Shapes, Plates and Bars: ASTM A 36. <br />D. Uncoated Steel Strip (Non -Structural Components): ASTM A569, Commercial Quality, Hot -Rolled Strip. <br />E. Uncoated Steel Strip (Structural Components): ASTM A570 Grade 33, 40, 45, or 50, Structural Quality, <br />Hot -Rolled Strip. <br />F. Uncoated Steel Strip (Structural Components): ASTM A607 Grade 45 or 50, High -Strength, Low Alloy, <br />Hot -Rolled Strip. <br />G. Galvanized Steel Strip: ASTM A653 Grade 40, zinc coated by the hot -dip process, structural quality. <br />H. Structural Tubing: ASTM A500 Grade B, cold -formed. <br />I. Polyethylene Polymer: ASTM D 1248, Type III, Class B; molded, color -pigmented, textured, impact - <br />resistant, structural formulation; in color indicated or, if not otherwise indicated, as selected by Architect <br />from manufacturer's standard colors. <br />J. Fasteners: Vibration -proof, of size and material standard with manufacturer. <br />2.03 UNDERSTRUCTURE FABRICATION <br />A. Frame System: <br />1. Wheels: Not less than 5" [127] diameter by 1 1/4" [32] with non -marring soft rubber face to protect <br />wood and synthetic floor surfaces, with molded -in sintered iron oil -impregnated bushings to fit 3/8" <br />[10] diameter axles secured with E -type snap rings. <br />2. Lower Track: Continuous Positive Interglide System interlocks each adjacent CPI unit using an <br />integral, continuous, anti -drift feature and through -bolted guide at front to prevent separation and <br />misalignment. CPI units at end sections of powered banks and manual sections shall contain a Low <br />Profile Posi-Lock LX to lock each row in open position and allow unlocking automatically. Provide <br />adjustable stops to allow field adjustment of row spacings. <br />3. Slant Columns: High tensile steel, tubular shape. <br />4. Sway Bracing: High tensile steel members through -bolted to columns. <br />5. Deck Stabilizer: High tensile steel member through -bolted to nose and riser at three locations per <br />section. Interlocks with adjacent stabilizer on upper tier using low -friction nylon roller to prevent <br />separation and misalignment. Incorporates multiple stops to allow field adjustment of row spacings. <br />TELESCOPIC BLEACHERS 12 66 13 - 8 <br />