This GGI Specification was prepared as an aid to specifiers preparing written construction documents. For specification assistance with specific product applications, please contact GGITM. To download an electronic copy, please visit www.generalglass.com.
SECTION 08 88 00 Fire Rated Glazing and Framing System Pyrobel with GGI-PyroFramesTM
PART 1 - GENERAL
1. DESCRIPTION
A. Work included:
A.1. Furnish all labor and materials to complete the fabrication of the wall system as shown on architect's drawings and as specified herein. All material covered by this specification shall be provided by General Glass International (GGI), Secaucus, New Jersey, whose name and products are used to establish the standard of workmanship and quality construction required for this project. Other bidders must be approved by the architect at least ten days prior to the bid date through submission of samples and evidence showing that the bidder has been fabricating wall system products of this type and quality for at least five years. All work shall include, but not be limited to, the following:
A.2. PyroFramesTM steel fire rated windows, transoms, sidelites, and transparent wall system – 60, 90 or 120 minute fire ratings (as required).
A.3. Factory applied finish.
B. Related work specified elsewhere:
B.1. Glass, glazing and glazing materials, Section 08810.
B.2. Perimeter caulking, Section 07915.
B.3. Miscellaneous structural items, Section 05100.
B.4. Door Hardware, Section 08710.
2. QUALITY ASSURANCE
A. Manufacturer shall have not less than 5 years’ experience in the fabrication of custom steel wall systems.
B. Installation of wall systems shall be done by experienced window installers.
C. Allowable tolerances: Size dimensions + 1/16 inch.
D. Source quality control:
D.1. Labeled fire rating D.1.a. Wall systems tested at positive pressure in accordance with ASTM E119, NFPA 251, UBC Standard 7-1-97, and UL 263 for 1 or 2 hour rating with hose stream.
D.1.b. Glass Size Capabilities: Maximum glass area (daylight opening) is based on Pyrobel maximum sizes as tested in combination with PyroFramesTM.
D.2. Air infiltration test
D.2.a. Tested in accordance with ASTM E283
D.2.b. Maximum air infiltration 0.30 CFM/Ft. of crack length with differential pressure across window unit of 6.24 PSF (50 m.p.h.)
D.3. Water penetration test
D.3.a. Tested in accordance with ASTM E331
D.3.b. No water penetration for 15 minutes when window is subjected to a rate of flow of 5 gal./hr./sq. ft. with differential pressure across window unit of 6.24 PSF (50 m.p.h.).
D.4. Field test
D.4.a. Field test criteria (when applicable) shall be in accordance with AAMA 502-08
D.5. Structural test
D.5.a. Tested in accordance with ASTM E330.
D.5.b. No damage at 75 psf design pressure (112.5 psf structural pressure)
D.6. Quality of top coat combination shall meet or exceed the following ASTM designations: ASTM D714- Paint Blistering Test, ASTM D4585 – Humidity Test, ASTM B117 – Salt Spray (Fog) Test, ASTM D1654 – Painted Products in Corrosive Environments, ASTM G85 – Cyclic Fog/Dry Test (Prohesion), ASTM D5894 – Salt Fog/UV Painted Metal, ASTM D4541 – Pull Off Strength of Coating Test.
3. SUBMITTALS
A. Samples (as requested by architect):
A.1. 12” length of vertical or horizontal section.
A.2. Color sample of finish.
B. Shop drawings and manufacturer's literature:
B.1. Submit for approval shop drawings showing wall system and installation details, including anchorage, fastening and recommended sealing methods.
B.2. Dimensioned elevations showing wall opening sizes. B.3. The manufacturer shall not commence any work until shop drawings have been approved.
B.4. Color charts for finishes.
4. PRODUCT, STORAGE AND HANDLING
A. The General Contractor shall be responsible for the protection and storage of the wall system components after delivery to the site.
B. Store in designated areas in an upright position on wood slats or on a dry floor in a manner that will prevent damage. Ventilate canvas or plastic coverings to prevent humidity buildup.
5. WARRANTY
A. Provide GGI’s standard 5 year Limited Warranty. PART 2 - PRODUCT AND FABRICATION
1. MATERIALS
A. Wall system components are fabricated from the following custom materials:
A.1. Custom formed hollow section structural grid profiles – minimum 14 gauge steel formed from internally and externally applied Sendzimir galvanized steel strip.
A.2. Custom formed face clamps – Pre-punched 10 gauge, 3 or 4 grade stainless steel.
A.3. Snap fit covers – 6063-T6 extruded aluminum.
B. All anchor plates shall be minimum 10 gauge galvanized steel attached to head and sill of vertical grid only.
C. All insulation material at framing perimeter shall be 6 pound density ceramic fiber blanket.
D. All system isolators shall be self-adhesive, graphite based high expansion strip, installed within glazing cavity.
E. All system gaskets shall be push fit, extruded fire rated non-cellular EPDM elastomer compound.
F. All system screws shall be ¼ zinc coated and self-tapping type 304 stainless steel with self-sealing washers.
G. Paint
G.1. Pre-treatment.
G.2. Finish coat – Factory applied acrylic polyurethane.
2. FABRICATION
A. All components are factory formed to custom designed profiles. B. Only the structural sections of the vertical profiles are fixed to the surrounding structure. All other horizontal structural profiles are interconnected using factory fitted shear blocks to the edge of the verticals.
C. All framing components are shipped in “knocked-down” (KD) form, unless otherwise requested, to be assembled on-site by experienced personnel.
D. All anchor preparations shall be done in the factory.
E. Anchoring of wall system shall be per approved shop drawings to suit the surrounding structure.
F. Glazing
F.1. Wall system shall be designed for outside pressure plate type glazing.
F.2. Install push fit gaskets and weather seal joints as per installation instructions.
F.3. Provide continuous screw on 10 gauge steel face clamps.
F.4. Screw attached face clamps into the glazing channel in the field. Fixing centers at no more than 12”.
F.5. Snap fit the cover onto the face clamps.
F.6. Glazing accessories per manufacturer of tested glazing material. Glazing blocks to be sized to achieve as tested edge conditions of glass.
3. FACTORY FINISHING
A. Preparations
A.1. Before any machining or welding is performed, all hot-rolled steel sections shall be cleaned to remove any loose or mill scale.
B. Pretreatment and Prime Painting
B.1. After fabrication, windows, mullions, covers, and trim shall be subjected to a pretreatment process to thoroughly clean and prepare the substrates for final finishing per the manufacturer’s instructions. PART 3 - EXECUTION
1. INSPECTION
A. Wall system openings shall conform to details, dimensions and tolerances shown on the approved shop drawings.
B. Conditions which may adversely affect the wall system installation must be corrected before installation commences.
C. The washing of the adjacent masonry must be completed before erection commences to prevent damage to the finish by the cleaning materials. 2. INSTALLATION
A. Wall systems covered by this specification shall have been tested for use in Steel/Wood Stud Drywall or Masonry Construction.
B. Wall systems specified under this section shall be installed by experienced personnel.
C. Install wall systems in openings in strict accordance with approved shop drawings.
C.1. Set units plumb, level and true to line, without warp or rack of frames.
C.2. Anchor units securely to surrounding construction with approved fasteners.
C.3. The exterior caulk joints shall be properly sealed watertight with an approved sealant and neatly pointed.
D. Repair any abraded areas of the factory finish.
3. CLEANING
A. Wall system installer shall leave wall system surfaces clean after installation and ready to receive glass and glazing. The wall system installer will not be responsible for final cleaning. In the interest of continuous improvement of its product line, GGI reserves the right to modify its products’ composition, colors, textures, sizes, and other physical and performance attributes and these guide specifications at any time. GGI makes no expressed or implied warranties regarding content, errors, or omissions in the information presented. Specifications modified or rewritten not in conformance with manufacturer’s standard processes, products, and procedures may void warranties and related remedies.