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08300

Sunrise Dr. ; Arthur, IL 61911; Toll Free Tel: 800-590-0559; Fax: (217) 543-4454; Email: pschrock@chiohd.com; Web: www.chiohd.com

    • B.

      Requests for substitutions will be considered in accordance with provisions of Section 01600.

      • 2.2

        MATERIALS

  • A.

    Galvanized Steel Sheet:

    • 1.

      Galvanized commercial steel, (CS type) per ASTM A653!A653M.

  • B.

    Aluminum:

    • 1.

      Extrusions: ASTM 8221, alloy and temper best suited to application.

    • 2.3

      COILING COUTER SHUTTERS

      • A.

        Construction:

L

2.

3. 4.

Curtain: Flat 0.050 inch thick extruded aluminum, 1 112 inch by 112 inch, with an extruded aluminum bottom bar and a 24 gauge rectangular aluminum hood. End Locks: Nylon, attached to every other slat providing a wearing surface and preventing movement. Wind locks: Per design and wind load requirements. Guides: Bolted together to form guide channel and mounting surface. With soft brush guides running to full height preventing metal-to-metal contact.

    • a.

      Guide Type: Two-piece box-shaped extruded aluminum with soft brush guide runners to full height, preventing metal-to-metal contact.

  • 5.

    Head Plate: Rectangular steel plate, with precision sealed ball bearings supporting drive side axle.

  • 6.

    BatTel Assembly: Steel pipe, sized for maximum def1ection, with threaded rings or lugs welded to barrel assembly for curtain attachment.

  • 7.

    SpIings: Counterbalanced torsion springs, grease packed and mounted on steel torsion shafts.

    • a.

      Spring Rating: Minimum 20,000 cycles.

  • B.

    Operation:

    • 1.

      Awning crank operation with removable crank handle.

  • C.

    Locking Mechanism: Throw handle with provisions for keyed cylinder locking and master keying.

    • 1.

      Keyed cylinder access from both sides.

  • D.

    Finish:

    • 1.

      Finish: AAMA 611, Class I Clear Anodized.

08300-3

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