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INDIAN RIVER COUNTY JULY 25, 2014 INTERGENERATIONAL RECREATION CENTER 100% CONSTRUCTION DOCUMENTS d. Integrally molded recess pockets to accept seat number and row letters. e. Integrally molded rear closure panel at back of seat to allow for "continuous clean sweep" of debris at deck level and minimized visibility of structural ribbing. f. Seat Attachment: Each polymer seat module shall be securely anchored by a 12 ga steel clamp bracket that provides steel -to -steel, through bolted attachment to the front nose beam of the bleacher. Attachment eliminates fore / aft movement of the seat module on the nose beam. 2.05 SHOP FINISHES A. Understructure: For rust resistance, steel understructure shall be finished on all surfaces with black "Dura - Coat" enamel. Understructure finish shall contain a silicone additive to improve scratch resistance of finish. B. Wear Surfaces: Surface subject to normal wear by spectators shall have a finish that does not wear to show different color underneath: 1. Steel nosing and rear risers shall be pre -galvanized with a minimum spangle of G-60 zinc plating. 2. Decking shall have use -surfaces to receive both a sealer coat and wear -resistant high gloss clear urethane finish. Optional decking to have 0.030" laminated polyethylene wear surface. 3. Injection Molded Courtside seats shall be per manufacturer standard 15 colors. C. Railings: Steel railings shall be finished with powder -coated semi - gloss black or optional 15 standard colors to match polymer seat color. D. High Humidity finish: Above shop fmishes shall include following modifications: 1. Understructure: All frames and other structural components shall be hot -dip galvanized per ASTM A103 2. All top -side rails shall be e -coated prior to powder paint coating 3. All hardware to be zinc -plated 4. All posi-locks and other steel wear surfaces to be electroless-nickel plated 5. Decking to be polyethylene -laminated plywood 2.06 FASTENINGS A. Welds: Performed by welders certified by AWS standards for the process employed. B. Structural Connections: Secured by structural bolts with prevailing torque lock nuts, free -spinning nuts in combination with lock washers, or Riv-nuts in combination with lock washers. 2.07 ELECTRICAL OPERATION A. Integral Power 1. Default operation shall be with a removable pendant control unit which plugs into seating bank for tethered operator management of stop, start, forward, and reverse control of the power operation. Other modes of operation are optional. 2. PF1/2/3/4: Furnish and install Hussey PF(1/2/3/4), an integral automatic electro mechanical powered frame propulsion system, to open and close telescopic seating. TELESCOPIC BLEACHERS 12 66 13 - 10