FIXED, PROJECT-IN, PROJECT-OUT, SIDE HUNG-OUT AND SIDE HUNG-IN
PART 1 - GENERAL
Work Included
Furnish and install hot-rolled steel windows as shown in the contract drawings. Work shall include but not be limited to steel windows (fixed, project-in, project-out, side hung out or side hung in), closures, trim, anchors and factory applied finishes (if required).
Related Work
| A. |
Glass, glazing, and glazing materials: Section 08800 |
| B. |
Perimeter caulking and sealing: Section 07900 |
| C. |
Miscellaneous structural items: Section 05500 |
Quality Assurance, Performance Requirements
Weather-stripped windows shall meet or exceed the following standards:
Air Infiltration Test
ASTM E283 - Maximum air infiltration 0.37 CFM/FT. of crack length with a pressure differential across the windows of 6.24 PSF (50 MPH).
Water Penetration Test
ASTM E331 - No water penetration for 15 minutes when the window is subjected to a rate of flow of 5 Gal./Hr./Sq.Ft. with a pressure differential of 2.86 PSF (33 MPH)
Submittals
Submit shop drawings showing window and installation details, including anchorage, fastening, and recommended sealing methods. Show dimensioned elevations with opening and window sizes. Upon requests, provide test reports for all pertinent standards.
PART 2 - PRODUCTS
Approved Manufacturers
Windows shall be provided by a manufacturer and/or distributor of steel windows whose products meet the Steel Window Institute's performance specifications, as set forth herein or in effect from time to time.
Materials
| A. |
The frame and ventilator sections shall be hot-rolled steel. |
| B. |
Windows shall be defined by minimum combined weight of the outside frame and ventilator members in lbs per lineal ft. |
Delete listings below, not required:
1. Light Intermediate 2.0
2. Standard Intermediate: 3.0
3. Heavy Intermediate: 3.5
4. Heavy Custom: 4.2
C. The frame or ventilator sections shall have a minimum front to back depth dimension as follows:
Delete listings below, not required:
1. Light Intermediate 1"
2. tandard Intermediate: 1-1/4"
3. Heavy Intermediate: 1-5/16"
4. Heavy Custom: 1-1/2"
D. Muntin bars shall be hot-rolled steel.
E. Glazing beads shall be extruded aluminum or steel.
F. Weather-stripping shall be extruded vinyl.
G. Hardware shall be as follows:
Delete listings below, not required:
1. Project-In:
| a. |
Ventilators shall be hung on either steel balance arms or heavy duty steel or stainless steel four-bar hinges located at each jamb. |
| b. |
Bronze cam fastener or spring catches located at the centerline of the top rail of the ventilator. |
2. Project-Out
| a. |
Ventilators shall be hung on either steel balance arms or heavy duty steel or stainless steel four-bar hinges located at each jamb. |
| b. |
Bronze cam fastener located at the centerline of the bottom rail of the ventilator. |
3. Side Hung-Out Casement
| a. |
Ventilators shall be hung on either steel, malleable iron or aluminum-bronze hinges with non-ferrous pins and bushings. Hinges shall be close or extension type. |
| b. |
Bronze cam fastener located at the centerline of the jamb |
| c. |
Optional bronze or die cast roto operator shall be located on the sill. |
4. Side Hung-In Casement
| a. |
Ventilators shall be hung on either steel, malleable iron or aluminum-bronze hinges with non-ferrous pins and bushings. Hinges shall be close or extension type. |
| b. |
Bronze cam fastener located at the centerline of the jamb |
H. Insect Screens
| 5. |
Insect screen frames shall be formed electro-galvanized steel having a minimum thickness of 0.032", or of formed or extruded aluminum having a minimum thickness of 0.040". |
| 6. |
Screens shall be rewireable with 18 x 16 mesh cloth of aluminum or fiberglass. The nominal diameter of the cloth shall not be less than 0.011" for aluminum. |
Fabrication
| A. |
Fabricate windows in accordance with the approved shop drawings. |
| B. |
Frame and ventilator sections shall be solid one-piece sections and corners shall be welded and dressed. |
| C. |
Flanges forming the weathering contacts shall be rolled integral with sections to provide close contact with both inside and outside points of contact. |
| D. |
Muntin bars shall be interlocked and continuous from head to sill and jamb to jamb except that bars in one directions may be discontinued if they are securely welded at the intersection. |
| E. |
All windows shall be designed for inside (or outside) glazing |
| F. |
Hardware shall be as follows: |
Delete listings below, not required:
1. Project-In:
| a. |
Furnish two cam fasteners or spring catches for vents exceeding 4'-8" in width. |
2. Project-Out
| a. |
Furnish two cam fasteners for vents exceeding 4'-8" in width. |
| b. |
If the cam fastener of the ventilator is more than 6'-6" above floor level, hardware designed for pole operation shall be furnished. |
3. Side Hung-Out Casement
| a. |
Two hinges per ventilator shall be furnished, except that, for ventilators exceeding 5'-6" in height, three hinges shall be furnished. |
| b. |
One cam fastener per ventilator shall be furnished, except that, for ventilators exceeding 5'-6" in height, two-point cam fasteners shall be furnished. |
4. Side Hung-In Casement
| a. |
Two hinges per ventilator shall be furnished, except that, for ventilators exceeding 5'-6" in height, three hinges shall be furnished. |
| b. |
One cam fastener per ventilator shall be furnished, except that, for ventilators exceeding 5'-6" in height, two-point cam fasteners shall be furnished. |
G. Insect Screens
| 1. |
Screens with hinged or sliding wickets shall be provided as required. |
| 2. |
The wire cloth shall be held taut with removable spline. |
| 3. |
Screens shall be removable from the window, held in place by clips. |
H. After assembly, windows shall be pretreated, epoxy or zinc coated, followed by manufacturer's standard finish.
PART 3 - EXECUTION
Inspection
| A. |
Window openings shall conform with details and dimensions shown on the approved shop drawings. |
| B. |
Conditions which may adversely affect the window installation must be corrected by the General Contractor prior to installation. |
Installation
| A. |
Windows specified under this section shall be installed by experienced personnel. |
| B. |
Install windows in strict accordance with the approved shop drawings. |
| C. |
Set windows plumb, level and true to line, without warp or rack of frames or ventilators. |
| D. |
Anchor units securely to surrounding construction with approved fasteners. |
| E. |
The exterior joints between the windows, trim and mullions shall be properly sealed watertight with an approved sealant and neatly pointed. |
| F. |
Attach ventilator hardware, as required, and adjust ventilators to operate smoothly free from twist and to be weathertight when closed and latched. |
| G. |
Any abraded surface of the window finish shall be cleaned and touched up with air dry paint, as approved and furnished by the window manufacturer, in a color to match factory applied finish. |
Cleaning
| A. |
The General Contractor shall be responsible for protecting the windows and related materials during storage on the job and during and after installation. |
| B. |
Window installer shall leave the window surfaces clean after installation. |
| C. |
Any protection necessary due to the cleaning of materials adjacent to the windows shall be the responsibility of the General Contractor. materials adjacent to the windows shall be the responsibility of the General Contractor. |
© The Steel Window Institute (2006) Contents are the property of the Steel Window Institute, its members or others who have licensed the information. All rights reserved.
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