10.03.2015 Views

Specs

Specs

Specs

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Bridgestone Retail Operations, LLC<br />

PROJECT MANUAL<br />

Version: January 2012<br />

SECTION 08112<br />

COMMERCIAL STEEL DOORS AND FRAMES<br />

PART 1 GENERAL<br />

1.01 SECTION INCLUDES<br />

A. Hollow metal doors, frames, and accessories.<br />

1.02 RELATED SECTION<br />

A. Section 08710 – Door Hardware.<br />

1.03 QUALITY ASSURANCE<br />

A. Manufacturer Qualifications: Minimum five years documented experience-producing products<br />

specified in this section and Member of HMMA.<br />

1.04 SUBMITTALS<br />

A. Sustainable Submittals: No submittals are required. Refer to Section 01352 for Sustainable<br />

recommendations on this project.<br />

PART 2 PRODUCTS<br />

2.01 MATERIALS<br />

A. Steel Sheet: One of the following:<br />

1. Cold-rolled steel sheet conforming to ASTM A 366/A 366M, commercial quality.<br />

2. Hot-rolled steel sheet conforming to ASTM A 569/A 569M, pickled and oiled, commercial<br />

quality.<br />

B. Galvanized Steel Sheet: ASTM A 653/A 653M, commercial quality, minimum G60/Z180 zinc<br />

coating.<br />

C. Insulating Material: Glass fiber or rock wool.<br />

2.02 DOOR AND FRAME ASSEMBLIES<br />

A. Door Construction: A standard 3 feet by 7 feet door shall meet requirements of ANSI A250.4<br />

procedure for level A doors for 1,000,000 cycles and twist test of 300 pounds; provide test reports.<br />

B. Fire-Rated Assemblies: Complying with NFPA 80; constructed as tested in accordance with NFPA<br />

252 for specified fire resistance ratings.<br />

1. Listed or classified by UL and bearing the fire rating label or seal of that agency.<br />

2.03 DOORS<br />

A. Exterior Doors: Galvanized steel face sheets of minimum 16 gage thickness.<br />

1. Thickness: 1-3/4 inches.<br />

2. Sizes: Indicated on drawings.<br />

3. Fill spaces between stiffeners with insulating material.<br />

B. Interior Doors: Steel face sheets of minimum 18 gage thickness.<br />

1. Thickness: 1-3/4 inches.<br />

2. Sizes: Indicated on drawings.<br />

3. Non-Insulated.<br />

C. Face and Core Fabrication: Visible seams on face sheets not permitted.<br />

1. Stiffen face sheets with continuous vertical sections, formed of minimum 22 gage steel sheet,<br />

which, upon assembly, span full thickness of interior space between door faces.<br />

2. Space stiffeners 6 inches apart, maximum; spot-weld to both face sheets at 5 inches,<br />

maximum, on center vertically.<br />

D. Vertical Edge Fabrication: Join face sheets at vertical edges by continuous welding on each edge,<br />

extending full door height; grind, fill, and dress welds to provide smooth flush surface.<br />

1. Single acting swing doors: Bevel each vertical edge 1/8 inch in 2 inches.<br />

COMMERCIAL STEEL DOORS AND FRAMES 08112 - Page 1 of 3

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!