| 1.1 |
REFERENCES
The publications listed below form a part of this specification to
the
extent referenced. The publications are referred to in the text by
basic designation only. |
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AMERICAN SOCIETY FOR
TESTING AND MATERIALS (ASTM) |
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ASTM A 527 |
Sheet Steel, Zinc-Coated (galvanized) by Hot-Dip
Process, Lock-Forming Quality. Coating Designation: G90 |
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ASTM A 569 |
(1991a; R 1993) Steel, Carbon (0.15 Maximum, Percent),
Hot-Rolled Sheet and Strip Commercial Quality
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ASTM A 653 |
(1994) Steel Sheet, Zinc-Coated (Galvanized) or
Zinc- Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process
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ASTM B 633 |
(1985; R 1994) Electrodeposited Coatings of Zinc
on Iron and Steel
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ASTM B 766 |
(1986; R 1993) Electrodeposited Coatings of Cadmium
ASTM D 3656 (1989) Insect Screening and Louver Cloth Woven from
Vinyl-Coated Glass Yarn
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ASTM D 3656 |
(1989) Insect Screening and Louver Cloth Woven from
Vinyl-Coated Glass Yarn
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ASTM E 163 |
Fire Tests of Window Assemblies
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ASTM E 283 |
(1991) Determining the Rate of Air Leakage through
Exterior Windows, Curtain Walls, and Doors Under Specifies Pressure
Differences Across the Specimen
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ASTM E 330 |
(1990) Structural Performance of Exterior Windows,
Curtain Walls, and Doors by Uniform Static Air Pressure Difference
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ASTM E 547 |
(1993) Water Penetration of Exterior Windows, Curtain
Walls, and Doors by Cyclic Static Air Pressure Differential
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AMERICAN SOCIETY OF MECHANICAL
ENGINEERS (ASME) |
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ASME B18.6.3 |
(1972; R 1991) Machine Screws and Machine
Screw Nuts
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ASME B18.6.4 |
(1981; R 1991) Thread Forming and Thread Cutting
Tapping Screws and Metallic Drive Screws (Inch Series)
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FEDERAL SPECIFICATIONS
(FS) |
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FS RR-W-365 |
(Rev A) Wire Fabric (insect Screening)
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NATIONAL FIRE PROTECTION
ASSOCIATION (NFPA) |
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NFPA 101 |
(1994) Safety to Life from Fire in Buildings
and Structures
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| 1.2 |
WINDOW PERFORMANCE
Steel windows shall conform to the HS-C30 voluntary specifications
in AAMA/NWWDA 101/I.S.2-97 and be designed to meet the following
performance requirements.
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| 1.2.1 |
Structural Performance
Structural test pressures on window units shall be for positive load
(inward) and negative load (outward) in accordance with ASTM E
330 at a static pressure of 45 PSF. After testing, there shall
be no glass breakage, permanent damage to fasteners, hardware parts,
support arms or actuating mechanisms or any other damage which
could cause window to be inoperable. There shall be no permanent
deformation of any main frame, sash or ventilator member in excess
of the requirements established by AAMA/NWWDA 101/I.S.2-97 for
the window types specified in this section.
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| 1.2.2 |
Air Infiltration
Air infiltration shall not exceed 0.18 SCFM per square foot of window
area at a static air pressure difference of 1.57 PSF as established
by AAMA/NWWDA 101/I.S.2-97 when tested in accordance with ASTM
E 283.
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| 1.2.3 |
Water Resistance
When tested in accordance with ASTM E 547, there shall be no water
leakage at a static air pressure difference of 4.5 PSF.
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| 1.2.4 |
Life Safety Criteria
Windows shall conform to NFPA 101 Life Safety Code when rescue and/or
second means of escape are indicated.
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| 1.3 |
SUBMITTALS |
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| A. |
Manufacturer’s descriptive data and catalog
cut sheets.
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| B. |
Drawings indicating elevations of windows, rough-opening
dimensions for each type and size of windows, full-size sections,
thickness of metal, fastenings, methods of installation and
anchorage, connections with other work, type of wall construction,
size and spacing of anchors, method of glazing, types and
locations of operating hardware, mullion details, weather-stripping
details, screen details including method of attachment, and
window schedules showing locations of each window type and
indicting compliance with fire safety code, where required.
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| C. |
Manufacturer’s preprinted installation instructions
and cleaning instructions.
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| D. |
Certificates stating that the steel windows conform to
requirements of this section.
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| E. |
Manufacturer’s standard color samples of painted
finishes.
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| 1.4 |
QUALIFICATION
Window manufacturer shall specialize in designing and manufacturing
the type of steel windows specified, and shall have a minimum of
5 years of documented successful experience. Manufacturer shall
have the facilities capable of meeting contract requirements, single-source
responsibility and warranty.
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| 1.5 |
DELIVERY AND STORAGE
Steel windows shall be delivered to project site and stored in accordance
with manufacturer’s recommendations. Damaged windows shall
be replaced with new windows.
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PART 2 - PRODUCTS
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| 2.1 |
GENERAL
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| 2.1.1 |
Manufacturer: Subject to compliance with Contract
Documents and specifications, provide the following:
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| A. |
Series 600 Double Hung Window as manufactured
by D.V. Fyre-Tec, Wayne, NE 68787 (800-377-3261).
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| B. |
Architect approved equal.
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| 2.2 |
MATERIALS
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| 2.2.1 |
Steel Frames and Inserts
Steel frames and inserts shall be fabricated from roll-formed galvanized
lock-forming quality steel per ASTM A 527. Frame and insert corners
shall mitered and welded. Integral muntin shall be galvanized roll-formed
material fitted and welded.
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| 2.2.2 |
Formed Component Parts
Formed component parts shall be hot-rolled sheet steel conforming
to ASTM A 569, commercial quality with a minimum of 0.15 percent
carbon. Sheet steel shall be zinc coated (galvanized) by the hot-dip
process in accordance with ASTM A 653 or ASTM A 924.
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| 2.2.3 |
Screws and Bolts
Screws and bolts shall conform to ASTM B 766, ASME B18.6.3 and ASME
B18.6.4.
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| 2.3 |
STEEL WINDOW TYPES
Steel windows shall be designed for inside field glazing, and for
glass types scheduled on drawings or otherwise specified. Units
shall be complete with glass and glazing provisions to meet requirements
of paragraph WINDOW PERFORMANCE. Glazing material shall be compatible
with steel, and shall not require painting.
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| 2.3.1 |
Double Hung Windows
Double hung windows shall operate vertically with the weight of sash
offset by a counterbalancing mechanism mounted in the window to
hold the either sash stationary at any open position. Counterbalancing
mechanisms shall be easily replaced after installation.
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| 2.4 |
WEATHER-STRIPPING
Weather-stripping for ventilating sections shall be designed to meet
water penetration and air infiltration requirements specified under
paragraph WINDOW PERFORMANCE, and shall be manufactured of material
compatible with steel and resistant to weather. Weather-strips
shall be factory applied and easily replaced in the field.
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| 2.5 |
INSECT SCREENS
Insect screens shall be steel window manufacturer’s standard
design, and shall be provided where scheduled on drawings. Insect
screens shall be fabricated of roll formed galvanized steel frames
and (18x16) plastic coated glass fiber mesh screening conforming
to ASTM D 3656 or roll formed galvanized steel frames and (18x14)
corrosion resistant steel mesh screening conforming to FS RR-W-365.
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| 2.6 |
ACCESSORIES
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| 2.6.1 |
Fasteners
Fastening devices shall be window manufacturer’s design made
from non-magnetic stainless steel, cadmium-plated steel, zinc-plated
steel, nickel/chrome-plated steel or magnetic stainless steel.
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| 2.6.2 |
Window Anchors
Anchors for installing windows shall be stainless steel or hot-dip
zinc coated steel conforming to ASTM A 123.
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| 2.7 |
FINISHES
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| 2.7.1 |
Prime Coat
Steel windows, fins, mullions, cover plates and associated parts
shall be cleaned, pre-treated with iron phosphate and factory painted
manufacturer’s standard primer coat in a dry film thickness
of not less than 0.025 mm (1.0 mil).
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| OR |
Finish Coat (Manufacturer’s Option)
Steel windows, fins, mullions, cover plates and associated parts
shall be cleaned, pre-treated with iron phosphate and factory powder
coated and cured with a manufacturer’s standard color in
a dry film thickness of not less than 0.050 mm (2.0 mil).
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| OR |
Finish Coat (Manufacturer’s Option)
Steel windows, fins, mullions, cover plates and associated parts
shall be cleaned, pre-treated with iron phosphate and factory coated
with baked alkyd enamel with a manufacturer’s standard color
in a dry film thickness of not less than 0.050 mm (2.0 mil).
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PART 3 - EXECUTION
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| 3.1 |
INSTALLATION
Steel windows shall be installed in accordance with approved shop
drawings and manufacturer’s approved recommendations. Steel
surfaces in close proximity with masonry, concrete, wood, and dissimilar
metals other than stainless steel, zinc, cadmium, or small areas
of white bronze shall be protected from direct contact. The completed
window installation shall be watertight.
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| 3.2 |
ADJUSTMENTS AND CLEANING
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| 3.2.1 |
Hardware Adjustments
Final operating adjustments shall be made after glazing work is complete.
When adjustments are completed, operating sash or ventilators shall
operate smoothly, and shall be weathertight when locked in closed
position.
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| 3.2.2 |
Cleaning
Steel window finish and glass shall be cleaned on interior and exterior
sides in accordance with window manufacturer’s recommendation.
Alkaline or abrasive agents shall not be used.
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