08510 - galvanized steel windows

7/27/2019 08510 - Galvanized Steel Windows

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Security Galvanized SteelWindows

SECTION 08510

GALVANIZED STEEL WINDOWS

1. PART 1 - GENERAL

1.01 SECTION INCLUDES

A. Security grade galvanized steel windows as shown onDrawings and specified in this section.

1.02 REFERENCES

A. ASTM - American Society for Testing and Materials

ASTM A 36 Structural steel

ASTM A 164 Electro-deposited coating of Zinc on Steel

ASTM A 307 Carbon Steel externally and Internallythreaded Standard Fasteners

ASTM A 366 Steel sheets, Carbon, cold-RolledCommercial Quality

ASTM A 525 General Requirement for Steel Sheet, Zinc-Coated (Galvanized) by the Hot Dip Process

ASTM A 526 Steel Sheet, Zinc-Coated (Galvanized) bythe Hot Dip Process, Commercial Quality

ASTM A 569 Steel Carbon (0.15 Maximum Percent) Hot-Rolled sheet and Strip, Commercial Quality

ASTM D 2287 Non-Rigid Vinyl Chloride Polymer andCopolymer Molding and Extrusion Compounds.

ASTM E 283 Rate of Air Leakage Through ExteriorWindows, Curtain Walls and Doors

ASTM E 330 Structural Performance of Exterior Windows,Curtain Walls and Doors Under the Influenceof Wind Loads.

ASTM E 331 Water Penetration of Exterior Windows,Curtain Walls and Doors by Uniform StaticPressure Difference Loads

ASTM E 547 Water Penetration of Exterior Windows,Curtain Walls and Doors by Cyclic StaticAir Pressure Difference Loads

ASTM F 468 Nonferrous Bolts, Hex Cap Screws, and Studs


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for General Use

ASTM A 627 Homogeneous Tool-Resisting Steel Bars forSecurity Applications

ASTN A 629 Tool-Resisting Steel Flat Bars and Shapesfor Security Applications

B. NFPA - National Fire Protection Association

NFPA 80 Fire Doors and Windows

C. AWS - American Welding Society:

D1.1 Structural Welding Code, Steel

1.03 SUBMITTALS

A. Product Data: Submit manufacturer's specifications,standard details, and installation recommendations forcomponents of security galvanized steel windowsrequired for project, including data that products havebeen tested and comply with performance requirements.

B. Certification: Submit statement certified by registeredStructural engineer that systems including glass willwithstand specified requirements and loads.

C. Samples: Submit samples of each type and color offinish, on 300 mm long sections of extrusions or formedshapes.

1.04 TRANSPORTATION, HANDLING AND STORAGE

A. Deliver security galvanized steel window to site inpackages or containers; labeled for identification withthe manufacturer's name, brand and contents. Storegalvanized steel window material in weather tight anddry storage facility. Protect from damage fromhandling, weather and construction operations before,during and after installation.

1.05 WARRANTY

A. Submit 2 copies of written guarantee signed by themanufacturer, installer and contractor, agreeing toreplace security galvanized steel window units whichfail in material or workmanship within 2 years of dateof substantial handing over.

1.06 QUALITY ASSURANCE


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A. Standards: Comply with applicable provisions of theMetal Curtain Wall, Window, Storefront and EntranceGuide Specifications Manual - AAMA.

B. General: Provide security galvanized steel window unitsthat comply with performance requirements specified, asdemonstrated by testing manufacturer's corresponding

stock systems according to test methods indicated. Typeof windows shall be as shown on the drawings.

C. Testing: Test each type and size of required windowunit through a recognized independent testinglaboratory or agency approved by the Engineer, inaccordance with ASTM E 330 for structural performance,ASTM E 283 for air infiltration, and ASTM E 331 andASTM E 547 for water penetration and ASTM A 627 andASTM A629 for tool resistance. Provide certified testresults. Sizes of test units for the air infiltration,water resistance, and structural performance shallconform to the required requirements. Tested unitsshall be glazed, completely assembled, and constructedin accordance with requirements indicated. Performtests on units with window sash. Materials andworkmanship used in test units shall be identical tothose proposed for the project. Use ofnonrepresentative measures or techniques is prohibited.

D. Design Requirements: Comply with structuralperformance, air infiltration, and water penetrationrequirements for type, grade and performance class ofwindow units required.

1. Component parts and completed window assembliesshall be designed, fabricated and installed to

withstand design pressure of minimum 98 kg/m, forwind loads normal to wall, acting both inward andoutward.

2. Uniform Load Deflection: No window member (glazed)shall deflect more than 1/175 of its span at thespecified design load when tested in accordancewith ASTM E 330 at a static air pressure differenceof at least 98 kg/m and the pressure applied firston one side of the unit then on the other.

3. Air infiltration rate of galvanized steel windowsshall not be more than 0.30 cfm per ft for inwardtest pressure of 30 kg/m, when tested inaccordance ASTM E 283.

4. Water Penetration: There shall be no waterpenetration, as defined in ASTM E 331, when testedin accordance with ASTM E 331 at an inward testpressure of 39 kg/m.


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5. Tool Resistance: Provide window units having a toolresistance performance conforming to ASTM A 627 andASTM A 629.

E. Manufacturer and Installer Qualifications: Engage onexperienced manufacturer and installer who has minimum

5 years experience of manufacturing and installingsecurity galvanized steel windows similar in design andfinish to those required for the project and which hasresulted in construction with a record of successfulin-service performance. Manufacturer and installershall be subject to approval of the Engineer.

F. Single Source Responsibility: Provide securitygalvanized steel window units from one source andproduced by a single manufacturer.

G. Field Measurements: Check actual window openings byaccurate field measurements before fabrication. Showrecorded measurements on final shop drawings.Coordinate fabrication schedule with constructionprogress to avoid delay.

2. PART 2 - PRODUCTS

2.01 MATERIALS AND ACCESSORIES

A. General:

1. Provide manufacturer's standard security galvanizedsteel windows with integral gridwork of toolresistance members and provision for a security

glass light from the exterior. Windows shall becomplete with members, glazing beads, settingblocks, and glazing wedges.

B. Security galvanized steel windows materials andconstruction:

1. Security galvanized steel windows members shallconsist of 22 mm round tool-resistant steelbars running horizontally on 150 mm centersconcealed in head and sill members and encasedin horizontal tubes, and 56 mm width x 10 mmthick flat tool-resistant steel bars concealed

in jamb frame members. Round bars penetrateflat bars and are secured with steel washerswelded near ends. Tool-resistant members arein accordance with ASTM specification A627 andA629.


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2. Frames shall be one piece sections. Framesshall be formed from low carbon galvanizedsteel, not less that 12 gauge thickness.

3. Frames shall be 150 mm in depth in profile asshown on the drawings. Frame members shall becoped and welded the full depth of the framefor maximum strength and weather tightness.Exposed face welds shall be dressed smooth.

4. Steel Tubes shall be 30mm H x 50mm D x 3mm TKand occur horizontally on the inside of theinside glass surface and shall be perimeterwelded to jambs of window frame. Steel tubesshall contain a 22mm round steel toolresistant bar.

5. Access covers shall be provided at windowperimeter and are formed to the contour shown

on the drawings from not less than 12 gauge,low corbon galvanized steel sheets.

C. Anchorage: All necessary standard steel anchorsshall be provided for installation of windows intoprepared openings. Anchors shall be built into orpart of concrete, structural steel or otherconstruction to which manufacturer anchors shallbe attached and shall be furnished by thecontractor as part of the prepared openings.Built-in anchors shall be located and set by thecontractor in accordance with the manufacturerapproved shop drawings around the perimeter of

each window. Manufacturer Steel's anchors shall bewelded to built-in anchors by welds 4.7mm x 25mmminimum.

1. Do not use exposed fasteners. Match finish ofadjoining metal.

D. Bituminous Coatings: Cold-applied asphalt masticcomplying with SSPC - Paint 12, compounded for 20 milthickness per coat.

E. Sealants: Galvanized steel frames shall be sealed usinga sealant of a type conforming to Section 07900 -

SEALANTS, and a color matching with the galvanizedsteel profiles.

F. Glass: Conform to Section 08800 - GLAZING. Type andthickness of glazing shall be as shown on the Drawings.

G. Glazing Gasket: Manufacturer's standard glazing gasket.


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2.02 FINISHES

A. Exposed galvanized steel surfaces shall have themanufacturer's standard finish powder-coated asindicated on Drawings and in accordance with thefollowing:

1. Powder Coated Finish: 60 - 80 micron thick. Colorshall be approved by the Engineer.

2.03 FABRICATION

A. General: Provide manufacturer's standard fabricationand accessories which comply with indicated standardsand are reglazable without dismantling of sash framing,except to extent more specific or more stringentrequirements are indicated. Include complete system forassembly of components and anchorage of window units,and prepare sash for glazing except where pre-glazingat factory is indicated. Fabrication and installationof galvanized steel windows shall be executed by anapproved specialized firm having at least 5 yearsexperience of successfully completed projects.

B. Sizes and Profiles: Required sizes for window units andprofile requirements are shown on the drawings.Details, where shown, are based upon standard detailsby one or more manufacturers. It is intended thatsimilar details by other manufacturers shall beacceptable, provided they comply with sizerequirements, minimum/maximum profile requirements andperformance standards as shown or specified.

C. Pre-glazed Fabrication: Pre-glaze window units atfactory where possible and practical for applicationsindicated. Comply with requirements of Section 08800 -GLAZING.

D. Provide mullions as shown matching window units, andcomplete with anchors for support and installation.Allow for erection, tolerances and provide formovements of window units due to thermal expansion andbuilding deflections.

3. PART 3 - EXECUTION

3.01 INSPECTION

A. Window openings shall conform with dimensions andtolerances shown on the drawings.

B. Examine substrates, adjoining construction, and the


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conditions under which work is to be installed.Installation shall not proceed until unsatisfactoryconditions are corrected.

3.02 INSTALLATION

A. Comply with the manufacturer's written instructions for

installation of units and other components.

B. Units shall be set plumb, level and true to line,without warp or rack of frames.

C. Frames shall be anchored solidly to surroundingconstruction to prevent distortion or misalignment.

D. Apply protective coating to separate galvanized steelfrom galvanically incompatible materials, includingconcrete and steel casting as recommended by galvanizedsteel manufacturer.

3.03 CLEANING AND PROTECTION

A. Upon completion of installation of galvanized steelwindows, clean exposed metal and glass surfaces ofexcess sealants, dirt and other substances. Exercisecare to avoid damage to protective coatings andfinishes.

B. Protect the installed work until substantial completionand replace the damaged work as required by theEngineer.

END OF SECTION

08510 - galvanized steel windows

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