PART 1 GENERAL

1.01 SYSTEM DESCRIPTION

Portable/permanent Bleachers

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Rise per row = 8 inches

Depth per row = 24 inches

1.02 Design

A.

The design and construction shall be in accordance with the 1997 edition of the Uniform Building Code. Local building regulations and the ADA. Specific loads to be:

1.

Wind: Minimum 90 mph basic wind speed, exposure importance 1.

2.

Seismic Loading: Minimum zone 4, Importance factor 1.

3.

Live load of Seat and Floor Plank: 120 PLF.

4.

Live load: 100 psf of gross horizontal projection.

5.

Lateral sway load, seat plank: 24 PLF.

6.

Perpendicular sway load, seat plank: 10 PLF.

B.

Individual frame sections shall be of 100 percent welded construction. Lateral bracing, ties and railposts and other incidental members shall be bolted connections.

1.03 QUALIFICATIONS

A.

Manufacturer: Aluminum Seating, Inc. 
P.O. Box 331
San Bernardino, CA. 92413

Phone (800) 757-SEAT
or (909) 884-9449
Fax (909) 388-2187

www.aluminumseating.com

B.

Manufacturer qualifications: manufacturer must have ten years experience in the fabrication and installation of bleachers. Welders must be AWS Certified.

1.04 WARRANTY

A.

The manufacturer shall provide owner with a written warranty that guarantees the bleachers for not less than 5 years against defective materials, fasteners, workmanship and welding with provisions that any manufactures part that wears out or proves to be defective will be replaced at no additional cost to the owner. Damage resulting from vandalism, misuse and acts of God excepted. It is recommended that a yearly inspection of your bleacher be performed and any irregularities be reported to (800) 757-7328.

PART 2 MATERIALS

2.01 MATERIALS

A.

Extruded Aluminum: 6061 alloy, T6 temper.

B.

Fasteners: Cadmium or zinc chromate plate steel.

C.

Hold Down Clip Assembly: Aluminum alloy 6061-T6.

D.

Seat Boards: Nominal 2″ X 10″, wall thickness 0.093 anodized aluminum plank 6063-T6.

E.

Foot Boards: 2 nominal 2″ X 10″, wall thickness 0.093 mill finish aluminum, plank 6063-T6.

F.

Risers: Nominal 1″ X 6″ mill finish plank 6063-T6.

G.

End Caps: Plank and riser end caps-extruded aluminum, wall thickness 0.090 60603-T6.

H.

Splices: All plank splices shall be made over a supporting frame not less than 2″ wide, dual sleeve inserts of extruded 6063-T6 alluminum channels 18″ in length.

I.

Understructure:

1.

Vertical members: 2″ X 2″ square tube 6061-T6

2.

Horizontal board supports: 2″ X 2″ X 0.187 angle 6061-T6.

3.

Base sill angle: 2″ X 3″ X 0.188 angle 6061-T6.

4.

Diagonal horizontal and “X” braces: 1.50″ X 1.50″ X 0.125 angle 6061-T6.

J.

Guardrail System: All rails shall pass through the rail posts and terminate with a rail post, no end caps shall be used.

1.

Railing: Extruded aluminum tubing 1.50″ diameter 6061-T6 anodized.

2.

Rail Post: Real rail posts: 2.50″ X 3.50″ X 0.168 angle 6061-T6
Side rail posts: 2″ X 2″ square tube 6061-T6 with welded end caps.

2.02 FABRICATION

Fabrication and assembly of bleachers as per the manufacturer’s standards.

PART 3 EXECUTIONS

3.01 Installation shall be in accordance with manufacturer’s installation procedures.