1、10-11 08 51 23 - 1 SECTION 08 51 23 STEEL WINDOWS SPEC WRITER NOTE: 1. Delete between /-/if not applicable to project. Also delete any other item or paragraph not applicable in section and renumber paragraphs. 2. Single hung or double hung window type described herein may only be used in general mai
2、ntenance or utility type buildings. PART 1 - GENERAL 1.1 DESCRIPTION: A. Section Includes: 1. Steel / single hung / / double hung / windows, type and sizes as shown. 2. Hardware. 3. Accessories including, but not limited to, following: a. Mullions, closures, trim, weather-stripping, covers, insect s
3、creens, anchors, clips, fasteners, and other components necessary for fabrication and installation complete of windows as specified. /b. Provide manufacturers standard extension pole with hook for opening windows at high window locations. Provide hook receptacle factory attached to ventilators for u
4、se with extension poles. / 1.2 RELATED WORK: A. Sealing Joints: Section 07 92 00, JOINT SEALANTS. B. Glazing: Section 08 80 00, GLAZING. C. Finish Color: Section 09 06 00, SCHEDULE FOR FINISHES. 1.3 QUALITY CONTROL A. QUALIFICATIONS: 1. Approval is required of products or service of proposed manufac
5、turer, suppliers and installers, and will be based upon submission by Contractor of certification that: a. Manufacturer who regularly and presently, manufactures and installs steel window units and related accessories as one of its principal products. b. Accessories required for windows shall be man
6、ufacturers standard or those of other manufacturers regularly engaged in making window accessories and acceptable to window manufacturer. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-11 08 51 23 - 2 1) Items shall be of materials which shall be
7、 compatible with balance of window unit material, and construction shall be that which shall give desired functional service. 2. Installer: Approved in writing by manufacturer. 1.4 PERFORMANCE REQUIREMENTS: A. Air Infiltration Test at Weather-stripped Ventilators: 1. Operable windows: Provided with
8、weather-stripping, such that when tested in closed and locked position in accordance with ASTM E283 before leaving factory, air infiltration shall not exceed 2.06 cubic meter per hour per meter (0.37 cubic foot per minute per foot) of crack length when subjected to a pressure differential across the
9、 window of 300 Pa (6.24 psf) equivalent to a wind velocity of 50 miles per hour. Fixed window areas: Maximum air infiltration shall not exceed 0.34 cubic meter per hour per meter (0.06 cubic foot per minute per square foot) of fixed window area. B. Water Penetration Test at Weather-stripped Ventilat
10、ors: 1. Operable windows: Provided with weather-stripping, such that when tested in closed and locked position in accordance with ASTM E331 no water penetrates for 15 minutes when a window is subjected to a rate of flow of 5 gal./hr./sq. ft. with a pressure differential across the window at 160 Pa (
11、2.86 psf). 1.5 SUBMITTALS: A. In accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES, furnish following: B. Product Data: Furnish for each type of window required, including: 1. Construction details and fabrication methods. 2. Profiles and dimensions of individual components.
12、3. Data on hardware, including sweep lock, keeper, lift handles, accessories, and finishes. 4. Recommendations for maintenance and cleaning of window surfaces. C. Shop Drawings: Furnish for each type window included in project. 1. Layout and installation details, including anchors, support framing a
13、nd sheet metal trim members. 2. Elevations of continuous work at 1:50 (1/4 inch) scale and typical window unit elevations at 1:20 (3/4 inch) scale. 3. Full-size section details of typical composite members, including reinforcement. 4. Hardware. Provided by IHSNot for ResaleNo reproduction or network
14、ing permitted without license from IHS-,-,-10-11 08 51 23 - 3 5. Accessories. 6. Glazing details. 7. Color charts for standard finishes and sealants. SPEC WRITER NOTE: Samples required only if project has more than 20 windows. D. Samples: 1. Typical sash corner. 2. Typical muntin section. 3. For Ini
15、tial Color Selection: Submit samples of each specified finish on 300 mm (12 inch) long sections of window members. 4. Hardware. E. Quality Control Submittals: 1. Test Reports: Window manufacturer provide certified test report from a qualified independent testing laboratory engaged in testing windows
16、 to verify that his steel window assembly has been tested in accordance with specified test procedures and products comply with these minimum test performance characteristics indicated. Test reports shall have been made within current year. 2. Manufacturers Certificates: a. Stating steel members hav
17、e been given specified thickness of prime coat and/or organic coating finish. b. Indicating manufacturers and installers meet qualifications as specified. 1.6 DELIVERY, STORAGE AND HANDLING: A. Comply with applicable recommendations of Steel Window Institute. B. Deliver steel window units and relate
18、d components in manufacturers original, unopened protective packaging labeled for identification with manufacturers name and brand and contents. Use padded blankets or other approved protective wrapping for glass, decorative metal work, and other exposed elements. 1. Do not deliver steel window unit
19、s until work is ready for their installation. 2. Inspect components for damage upon delivery. Do not install steel window units with dimples or dents. Remove and replace damaged components at no additional cost. C. Storage: Store steel window units and related components, in positions necessary to p
20、revent twisting, in weathertight and dry storage facility in their original shipping containers with protective wrapping or Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-11 08 51 23 - 4 packaging securely in place, in accordance with manufacture
21、rs written instructions. D. Protect finish from damage from handling, weather and construction operations before, during and after installation. 1.7 APPLICABLE PUBLICATIONS: A. Publications listed below form a part of this specification to extent referenced. Publications are referenced in text by ba
22、sic designation only. B. American National Standards Institute (ANSI): Z97.1-09 . Glazing Materials Used in Buildings, Safety Performance Specifications and Methods of Test. C. American Society for Testing and Materials (ASTM): A123-09 Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products. B
23、633-07 Electrodeposited Coatings of Zinc on Iron and Steel C509-06 Elastomeric Cellular Preformed Gasket and Sealing Material. D2287-96(2010) . Non-rigid Vinyl Chloride Polymer and Copolymer Molding and Extrusion Compounds E283-04 Test Method for Determining Rate of Air Leakage Through Exterior Wind
24、ows, Curtain Walls and Doors Under Specified Pressure Differences Across Specimen. E331-00(R2009) . Test Method for Water Penetration of Exterior Windows, Curtain Walls, and Doors by Uniform Static Air Pressure Difference. D. National Fire Protection Association: NFPA 80-10. Standard for Fire Doors
25、and Windows. E. Steel Structures Painting Council (SSPC): SSPC-SP1. Solvent Cleaning. SSPC-SP8. Pickling. 1.8 WARRANTY: Warranty: Submit written warranty, in accordance with General Condition requirements except that warranty period shall be extended to include five (5) years. Provided by IHSNot for
26、 ResaleNo reproduction or networking permitted without license from IHS-,-,-10-11 08 51 23 - 5 PART 2 - PRODUCTS 2.1 MATERIALS: SPEC WRITER NOTE: Delete items in next articles that are not needed for fabrication or installation of selected units. A. Materials: 1. Frame: Formed from 2.3 mm (12 gauge)
27、 galvanized sheet steel. 2. Heavy Intermediate Ventilators: Manufactured from solid hot rolled steel shapes. a. Sections made from new billet steel with flanges rolled integral at mill. b. Ventilator sections shall have glazing rebates providing an unobstructed glazing surface of at least 16 mm (5/8
28、 inch) in height. c. Glazing rebate surfaces must be perpendicular to web or stem of section. Applied glazing rebate extensions and tapered rebate surfaces are not acceptable. 3. Mullions and Transom Bars: Mullions and transom barts shall withstand a uniform wind load of 960 Pa (20 psf) of window ar
29、ea without deflecting more than 1/175 of span. 4. Weather-stripping: Pile weather-strip. SPEC WRITER NOTE: Finishes 5.c. and d. may be selected for use in office areas of general maintenance or utility type buildings. 5. Hardware shall be as follows: a. Fastener: Standard bronze sweep lock. b. Pulls
30、: Standard bronze lift handle. / c. US 20D: Statuary Bronze. / / d. U.S. 25D: Polished White Bronze. / e. Balance Arm: Spiral and extension spring sash balance. SPEC WRITER NOTE: If windows shall be in a high fume atmosphere similar to Boiler house etc. select Article below. 6. Paint Finishes: a. Pr
31、ime Coat: After fabrication, steel windows, fins, mullions, cover plates and associated parts shall be cleaned, properly treated, prime painted with manufacturers standard prime paint. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-11 08 51 23 -
32、6 b. Factory Finish: After fabrication, for type of factory finish selected, steel windows and associated components shall be cleaned, and given following treatments: 1) Pretreatment: Zinc phosphate treated. 2) Primer: Manufacturers special epoxy primer and oven cured. 3) Finish Coat: Manufacturers
33、standard color coat finish and oven cured. 4) Color: Refer to Section 09 06 00, SCHEDULE FOR FINISHES. /a) Windows in / boiler house / / / shall be given a factory applied finish coat of fume resisting paint. / b) Color of finish coat is specified in Section 09 06 00, SCHEDULE FOR FINISHES. c) Touch
34、-up abraded surfaces with enamel as specified for factory finish coat, except that it shall be Class A (Air-Drying), same as original. c. Zinc Coated Optional Finish: All steel except screens, shall be cleaned and: 1) Hot dip galvanized (ASTM A123) and/or Electrodeposited (ASTM B633) or equivalent s
35、tandards. 2) Zinc coated, phosphate treated and prime painted. 3) Zinc coated, phosphate treated, prime painted and factory finished in color as selected, from manufacturers standard colors. 4) Use galvanize repair compound where galvanized surfaces need field or shop repair. Apply compound in accor
36、dance with manufacturers printed directions. 7. Glass and Glazing: As specified in Section 08 80 00, GLAZING. a. Windows shall be factory glazed prior to delivery to project site. b. Do not provide weep holes through glazed areas. 8. Accessories: a. Insect Screening: 1) Screen Frame: Formed of elect
37、ro-galvanized steel having minimum thickness of 0.80 mm (0.032 inch), or of formed or extruded aluminum having a minimum thickness of 1 mm (0.040 inch). /a) Screen frames shall be of same material and finish as specified for windows. / Provided by IHSNot for ResaleNo reproduction or networking permi
38、tted without license from IHS-,-,-10-11 08 51 23 - 7 /b) Screen frames shall be aluminum with natural finish. / 2) Screens: Shall be re-wirable with 18 x 16 mesh cloth of aluminum, or fiberglass. Nominal wire diameter of the cloth shall not be less than 0.25 mm (0.011 inch) for aluminum. Wire cloth
39、shall be held taught with removable spline. Screens shall be the removable type. Design screens to be rewirable and removable from inside building. SPEC WRITER NOTE: If fiberglass or aluminum screen is required in areas subject to heavy salt spray or fog. Select correct material from Article below.
40、/a.) Insect screening shall be / aluminum alloy / / fiberglass type /. b. Fit and install each screen so as to cover windows individually and be free from interference with window hardware without sacrificing protection against insects. c. Anchor clips and mullions necessary for installation of wind
41、ows and hardware for operation of ventilators, including fasteners required for attaching such items to window shall be provided by window manufacturer. d. Screws, shields, plugs or other fastenings into building construction shall be in accordance with manufacturers recommendations. e. Window Clean
42、ers Bolts: Provide window cleaners bolts of standard design, complying with governing regulations and ANSI A39.1. Fabricate bolts of stainless steel or bronze. Reinforce window units or mullions to receive bolts, and provide additional anchorage of units at locations of bolts. f. Extension Pole Oper
43、ators: Provide one pole operator and pole hanger for every room that has operable windows more than 1800 mm (6 feet) above floor. Fabricate pole of tubular anodized aluminum with rubber cap at lower end and standard push-pull hook to match hardware design at top end. Provide sufficient length for wi
44、ndow operation without reaching more than 1500 mm (5 feet) above floor. 2.2 FABRICATION: A. General: Fabricate steel windows in accordance with approved shop drawings. Form sections in one piece, straight, true and smooth. Prior Provided by IHSNot for ResaleNo reproduction or networking permitted wi
45、thout license from IHS-,-,-10-11 08 51 23 - 8 to fabrication, all hot rolled steel sections shall be cleaned by shot blasting. Provide drips and weep holes in accordance with manufacturers standard practice. 1. Attachment of manufacturers metal nameplates, shall not be permitted on any window surfac
46、e. B. Frame: Members shall be modified channel shapes. Corners of frame and ventilators shall be mitered or coped then solidly welded. Head and jamb members shall have integral screen-stops. Integrally roll continuous flange at jambs and heads to form a caulking stop between facing and backing mason
47、ry. Exposed and contact surfaces shall be finished smooth, flush, with adjacent surfaces. C. Sills: Sills shall have stepped rebates to receive lower sash bottom rail, which shall be kept clear of sill wash. Sills shall not be perforated at any point in their full length. Weld strap anchors to under
48、side of sill, or screw to tapped lugs welded thereto. D. Sash: Rails shall be tubular. Stiles may be tubular or modified channel shape. Stiles and rails shall be formed in one piece from single strips. Make sash rebates minimum 15 mm (19/32 inch). Make interior horizontal top surfaces of both meetin
49、g rails flat and in same plane. Meeting rails shall have tight contact with wedge blocks at jambs when sash is closed. Cope, end-lap and weld all corners of sash. E. Muntins: Steel tee muntin sections shall be tenoned and welded to perimeter frame. Muntin intersections shall be slotted and cross notched. F. Glazing: Design windows for interior g
