Part 1 -General

1.01 SECTION INCLUDES
A. Aluminum overhead coiling grilles.

1.02 SUBMITTALS
A. Submit manufacturerÕs product data, specifications, shop drawings with   layout, fabrication and installation details.

Part 2 - Products

2.01 MANUFACTURER
A. Provide grilles manufactured by AlumaTek Inc., 680 West 200 North, North   Salt Lake, UT 84054 Contact sales @ (800) 647.7049

2.02 MODELS AND MATERIALS
A. Models: Provide overhead coiling grille model as follows:
1. AT-9 - 3 rolling door
B. Materials:
1. Aluminum: Bars, Rods and Extrusions to be 6063 Alloy, T5 Tempered.
2. Steel: Bar, Pipe and Plate(s) to meet AlumaTekÕs specifications.

2.03 COMPONENTS
A. Locking: Standard locking mechanism to consist of two-point lock to throw at   both jambs, with a Keyed Cylinder on the outside and thumb-turn on the inside.

2.04 FABRICATION
A. AT-9 Model Curtain:
1. Horizontal Rods to consist of extruded aluminum, 5/16Ó round 6063 mill   finished spaced 3Ó on center.
2. Vertical link to consist of .083 stamped aluminum links connected with heavy-
  duty eyelets. Placed at 9Ó on center.
3. Curtain Size: See Drawings
B. Guides: Extruded aluminum with mohair strips to prevent metal to metal contact.
C. Structural Supports: 3 x 3 or 4 x 4 steel supports
D. Bottom Bar: Heavy duty extruded aluminum with thumb-turn interior and keyed   cylinder exterior.
E. Counterbalance: Tempered helical torsion high cycle spring mounted on cast   anchors and continuous solid torsion rods permanently lubricated and enclosed   within a 6 5/8Ó steel pipe shaft.
F. Bracket Plates: Steel plates 3/16Ó thick bolted to structural support tubes.
G. Operation: Manual up to 150 square feet. Motor operated 150 square feet and   above

2.05 FINISHES
A. Aluminum Bottom Bar, Guides and Curtain to be clear bronze or black   Anodized.

Part 3 - Execution

3.01 Preparation
A. Prepare opening(s) to receive grille(s) as required by manufacturer.

3.02 Installation
A. Install as shown on drawings in strict accordance with manufacturerÕs   instructions. Adjust for smooth and easy operation.

AT-9 - 3 specifications