Fixed Industrial Stairs

SECTION 05 51 16 or 05 51 19

FIXED ALUMINUM INDUSTRIAL STAIR

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Fixed Aluminum Industrial Stairs.

1.2 RELATED SECTIONS

A. Section 05 12 00 - Structural Steel Framing: Roof structure and opening support.

B. Section 05 50 00 - Metal Fabrications: Miscellaneous metal supports.

C. Section 06 10 00 - Rough Carpentry: Roof framing and opening support.

D. Section 07 42 00 - Wall Panels: Roof curb flashing.

1.3 REFERENCES

A. OSHA 1910.25: Stairways.

1.4 SUBMITTALS

A. Submit under provisions of Section 01 30 00.

B. Manufacturer's data sheets on each product to be used, including:

1. Preparation instructions and recommendations.

2. Storage and handling requirements and recommendations.

C. Shop Drawings for Stairs:

1. Plan and section of stair installation.

1.5 DELIVERY, STORAGE, AND HANDLING

A. Store products in manufacturer's unopened packaging until ready for installation.

B. Store stair until installation inside under cover. If stored outside, under a tarp or suitable cover.

1.6 WARRANTY

A. Limited Warranty: Five years against defective material and workmanship, covering parts only, no labor or freight. Defective parts, if deemed so by the manufacturer, will be replaced at no charge, freight excluded, upon inspection at manufacturer's plant which warrants same.

PART 2 PRODUCTS

2.1 MANUFACTURERS

A. Acceptable Manufacturer: Precision Ladders, LLC, which is located at: P. O. Box 2279; Morristown, TN 37816-2279; Toll Free Tel: 800-225-7814; Tel: 423-586-2265; Fax: 423-586-2091; Web: www.PrecisionLadders.com

B. Substitution requests will be considered in accordance with provisions of Section 01 60 00.

2.2 FIXED ALUMINUM INDUSTRIAL STAIR

A. Fixed Aluminum Industrial Stair and Components: Stair, mounting brackets and guardrail/handrails on both sides.

1. Model: PS-** (** = height in vertical inches) Fixed Aluminum Industrial Stair as manufactured by Precision Ladders, LLC.

2. Capacity: Unit shall support a 1,000 lb (454 kg) total load without failure.

3. Degree of Incline: 30 to 45 degrees. Stairs have uniform riser heights and tread depths between landings. Not all degrees are available for every height.

4. Performance Standard: Units designed and manufactured to meet or exceed OSHA 1910.25.

B. Components:

1. Stair Stringer: 8 inch by 2.29 inch by 1/4 inch (203 mm by 58 mm by 6 mm) extruded 6005-T5 structural aluminum channel.

2. Stair Treads: Aluminum (6005-T5) bar grating treads. Treads to be both welded and bolted to stringer with 3/8 inch round stainless steel hex bolts. (Tread depth determined by rise & run.)

3. Stair Mounting Brackets:

a. Floor Brackets: 4 inch by 4 inch by 1/4 inch (102 mm by 102 mm by 6 mm) aluminum angle.

b. Top Bracket: 4 inch to 6 inch tall by 2 inch mounting flange by 1/4 inch thick by 6 inch by 10 inch long aluminum angle. (Top mounting bracket size is determined by stair’s rise & run.)

4. Handrails: 1-1/4 inch Schedule 40 aluminum pipe (6005-T5) providing a 1.6 inch OD. Internal aluminum fittings. Welds will be raised but smooth.

5. Platform:

a. Surface: Aluminum (6005-T5) bar grating treads.

b. Toe Boards: 4 inch by 1/4” 6005 T-5 aluminum.

c. Handrails: 1-1/4 inch Schedule 40 aluminum pipe (6005-T5) providing a 1.6 inch OD.

6. Finishes:

a. Standard: Mill finish on aluminum stair components.

b. Optional Finish: Powder Coated

C. Options

1. Tread material: aluminum (6005-T5) formed anti-slip plate.

2. Crossover stairs with platform between two stairs.

2.3 FABRICATION

A. Completely fabricate stair ready for installation before shipment to the site.

PART 3 EXECUTION

3.1 EXAMINATION

A. If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.

B. Examine materials upon arrival at site. Notify the carrier and manufacturer of any damage.

3.2 INSTALLATION

A. Install in accordance with approved submittals.

3.3 PROTECTION

A. Protect installed products until completion of project.

B. Touch-up, repair or replace damaged products before Substantial Completion.

END OF SECTION