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 Dept. @ (800) 647.7049

2.02 MODELS AND MATERIALS
A. Models: Provide overhead coiling grille model as follows:
1. LX - Glazed Rolling
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. Perforated Model Curtain:
1. Horizontal Rods to consist of extruded aluminum, 7/8Ó x 1/2Ó horizontal hinge   system spaced at 4Ó on center.
2. Windows to consist of 3/32" Clear Polycarbonate panels every 32Ó to horizontal   ÒIÓ for maximum strength. Windows to be enclosed in horizontal aluminum   frame with PVC ÒHÓ for quite operation.
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 8Ó steel pipe shaft.
F. Bracket Plates: Steel plates 1/4Ó thick bolted to structural support tubes.
G. Operation: Manual up to 120 square feet. Motor operated 120 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.

Glazed (LX) specifications