Attachment 3 - Spec Section 085651_Alum_Security_Windows Bandar GPE Window 2 Oct 24.docx

UNITED STATES DEPARTMENT OF STATE UNCLASSIFIED OCTOBER 2024

OVERSEAS BUILDINGS OPERATIONS

BANDAR MAINTENANCE FACILITY – GPE WINDOW

SECTION 085651 – ALUMINUM SECURITY WINDOWS

GENERAL

SUMMARY

The extent of exterior aluminum window units required to provide specified resistances is indicated on Contract Drawings by elevations/details/schedules/notations.

Principal work of this Section can be summarized to include, but not necessarily by way of limitation, aluminum window units in exterior walls of building occurring within 5 meters above grade or accessible platform and blast windows at any location.

The descriptions of window units required as work of this Section include custom grade architectural or heavy commercial, fixed (non-operating) extruded aluminum frame type units, except as otherwise indicated.

Work of this Section includes all materials, labor, equipment, and services necessary to design, engineer, test, fabricate, deliver, install, and guarantee the security windows. These security windows shall provide an airtight and watertight enclosure, complete in every respect, notwithstanding any omissions or inadequacies of Drawings and/or Specifications.

1. This Section includes a continuous and uninterrupted exterior weatherseal, interior airseal, and a pressure-equalized drainage system.

2. This Section includes connections to adjacent construction.

3. Government Procured Equipment (GPE) Program: A program of the Overseas Buildings Operations (OBO) in which OBO procures security doors and windows in advance of and for the use of upcoming projects. All GPE windows and doors shall be designed and engineered prior to award of the project to the Contractor.

4. Fabricator: This entity is the fabricator/manufacturer of Aluminum Security windows.

5. Manufacturer: This entity is the manufacturer/fabricator of Aluminum Security windows.

6. Contractor: The Contractor is responsible for the design incorporation, delivery and installation of the GPE products. The Contractor is also responsible for the design and construction of the overall facility, as well as the installation of the GPE items selected by the Contractor in conformance with the overall requirements of the project. The Contractor is responsible for development of a GPE product list and submission of the list to the government for approval, with the design development drawings.] Related Sections include the following:

Division 01 Section "Secure Shipment."

Section 033000 “Cast-In-Place Concrete”; for movements and tolerances of concrete building structure elements.

[Division 05 Section “Structural Steel”; for movements and tolerances of steel building structure elements.] Division 07 Section(s) on “Flashing and Sheet Metal.”

Division 07 Section “Joint Sealants and Caulking.”

Division 08 Section “GPE Window and Door Requirements.”] Section 083454 “FE/BR Door Assemblies.”

Section 088855 “Security Glazing.”

Other sections of these specifications for interface of door hardware and device units, with alarm/security/safety/access/monitoring systems.

PRE-INSTALLATION MEETINGS

Before beginning installation of the FE/BR assemblies, the manufacturer's technical representative shall conduct a pre-installation conference at the Project site with the installation sub-contractor, the electrical sub-contractor, the Project Director/COR, and other interested parties to review installation procedures and manuals, schedules, and coordination of the FE/BR-assembly installation with other elements of the Work.

REGULATIONS AND STANDARDS

Standards and codes referenced in this Specification shall be those editions, including amendments, current at the date of this Specification.

In the event of a conflict between referenced codes and standards and/or the Drawings and Specifications, the code or standard having the more stringent requirements shall govern.

Comply with the following industry Standards, unless more stringent requirements are indicated or are required by an approved product manufacturer, use metric versions of the standards if available:

American Institute of Steel Construction (AISC): 303 “Code of Standard Practice for Steel Buildings and Bridges,” 341 “Seismic Provisions for Structural Steel Buildings,” and 360 “Specification for Structural Steel Buildings.”

American Iron and Steel Institute (AISI): Steel designations.

American Welding Society (AWS): D1.1 “Structural Welding Code - Steel,” D1.2 “Structural Welding Code - Aluminum,” D1.3 “Structural Welding Code - Sheet Steel,” D1.6 “Structural Welding Code - Stainless Steel.”

Aluminum Association (AA): “Aluminum Design Manual,” and “Aluminum Standards and Data.”

American Society for Testing and Materials (ASTM): Documents specified herein.

American National Standards Institute (ANSI): Documents specified herein.

American Architectural Manufacturers Association (AAMA): Documents specified herein.

Building Hardware Manufacturers Association (BHMA): Hardware finish designations.

Consumer Products Safety Commission (CPSC): Documents specified herein.

Glass Association of North America (GANA): “Glazing Manual,” “Laminated Glazing Reference Manual,” and “Tempering Division Engineering Standards Manual.”

National Association of Architectural Metal Manufacturers (NAAMM): “Metal Finishes Manual.”

Research Council on Structural Connections (RCSC): “Specification for Structural Joints Using High-Strength Bolts.”

Sheet Metal and Air Conditioning Contractors National Association (SMACNA): “Architectural Sheet Metal Manual.”

Steel Structures Painting Council (SSPC): “Steel Structures Painting Manual, Vols. 1 & 2.”

SUBMITTALS

General:

All submissions must be in accordance with Division 01 Specifications.

Submit shop drawings, samples, data, reports, and engineering calculations for the Project Director/COR 's approval before proceeding with the Work of this Section. Upon award of contract, provide a submittal log which indicates submittal packages and sequence, as well as a list of major products proposed to be furnished. Submissions shall be made according to a schedule that allows adequate time for review and approval by the Project Director/COR as stated in the General Conditions.

Submissions shall be complete and comprehensive and include all shop drawings, samples, material data submissions, and engineering calculations for the part of the window addressed. All work shall be coordinated by the Contractor prior to submission. Incomplete, non-conforming, or uncoordinated submissions shall be subject to rejection or return without action by the Project Director/COR. Any work executed which deviates from the approved shop drawings and submittals shall be subject to rejection.

Product data for manufactured/fabricated aluminum window units. Include information for metals and alloys, fasteners, welding, applied finishes, hardware, and accessories. Include producer's detailed instructions for assembly, protection, installation, and maintenance. Note any maintenance information that may adversely affect the glazing according to section 088855 “Security Glazing.”

Manufacturer’s standard color chart.

Certification: Letter from manufacturer indicating that products have been certified by the Bureau of Diplomatic Security (DS) in accordance with the Part 2 Article on MANUFACTURERS/FABRICATORS.

Standard test reports including certified test reports confirming compliance. Submit laboratory test reports, showing compliance with performances required for air infiltration and water penetration.

Shop drawings showing dimensioned detail of aluminum window units and adjacent construction. Show application of intended glazing materials. Show typical window unit interior and exterior elevations at not less than 1:20 scale. Indicate how window units, not necessarily including basic sub-frames, are to be subsequently removed/replaced; and how glazing unit removal/ replacement is to be accomplished. Submit shop drawings in PDF format. After final modifications and corrections have been incorporated, submit drawings as AutoCAD files with .DWG extension as well as in PDF format. Show the following:

Cover sheet: Include manufacturer's name, address, telephone, and facsimile numbers; customer and address; project location; contract or purchase order number; and submittal release record.

All shop drawings showing blast resistant window assemblies shall be signed and stamped by window vendor’s blast consultant. All sheets shall be of one size and shall bear the seal of an engineer licensed in the appropriate jurisdiction.

Unit information:

Manufacturer's model number 4-Digit DOS Code.

Mark (window no.).

Window/frame finish.

Window type.

Government certification number.

Performance ratings.

Structural wind loading.

Building structural movements and tolerances.

Air infiltration.

Water penetration rating.

Thermal movements.

Energy performance.

Sound transmission.

Fire rating.

Elevation Drawings:

Rough opening dimensions.

Frame opening dimensions.

Vision opening dimensions.

Substrate/rough opening material.

Manufacturer's name and reference numbers for primer and finish paint, including number of coats applied and thickness of each coat.

Window and frame gauge thickness.

Covers (snap-on or mechanically attached) thickness and profiles Separate steel sub-frames (number and list).

Detail symbols.

Electrical access, where applicable.

Glazing panel dimensions.

Torque (nm) for anchor bolts Plan Drawings:

Relate to elevation on drawing.

Identify "Attack" and "Protected" sides.

Provide key notes on drawings.

Indicate room space numbers taken from Contract Drawings.

Details:

Clearly illustrate all aspects of the windows including:

The relationship of the windows to the building structure, roofing and waterproofing systems, interior finishes, and other adjacent construction;

The arrangement of components;

The sequence and details of fabrication, assembly, and erection;

Full size details, indicating: sealing, flashing, weeping, and jointing; all dimensions and thicknesses; materials and finishes; material, type, size, location, and spacing of screws, bolts, welds, anchoring devices, and glazing accessories; locations of conduit entry into both subframe and window frame (where applicable) .

Include details of all connections and seals to contiguous work as approved by the Subcontractor for the work adjacent, and include all assumptions regarding the tolerances of that work.

Details shall be on separate sheets from plan and elevation drawings.

General Product Information: Include notes sheet, miscellaneous materials specifications, abbreviations, finish/paint system, legend, and glazing specifications.

Breakdown of Product Line Items:

If Manufacturer produces one contract line item as several parts, they shall break out items on drawings. Each item shall be a subdivision of that product line item number. Indicate manufacturer’s part numbers for all components.

Engineering Calculations:

Submit project-specific engineering calculations as described herein and in the General Conditions.

Submit engineering calculations concurrently with corresponding shop drawings.

Insert appropriate location.

Calculations shall bear the seal of a Professional Engineer licensed in the appropriate jurisdiction.

Test Reports:

Submit test reports for all required tests.

Submit test reports in a timely manner and well before execution of any related component of the windows.

Shop Finish Samples: Submit for each required metal and type/color of finish, applied on 125 mm long metal shape/extrusion of principal window unit and sub-frame member. Samples may be of a standard extrusion with similar properties and will be reviewed visually by the Project Director/COR for color and texture/sheen.

Installation Instructions: Instructions shall cite all anchorage components, including complete description of anchors and installation criteria such as drilling specifications into concrete or masonry, torque requirements, minimum edge distance, spacing, etc. For sub-frame attachment to concrete, instructions shall include alert to installers to avoid cutting rebar during concrete anchor installation. Include in the installation the step where the weather proofing system is to be installed or exterior windows. Actual flashing and weather proofing instruction and installation are the responsibility of the general contract.

Window installation and glazing panel replacement instructions shall be customized for each type of application and approved by the OBO/CFSM/SM/SOD/PSO/FE/BR Program Section.

Manufacturer’s Technical Representative shall submit list of unique project specific site conditions that require special manufacturer representative inspection and/or installation training.

Samples for Verification: For windows and components required, prepared on Samples of size indicated below. Submit samples to Project Director/COR at project site.

Submit samples of all materials and finishes, including:

Samples matching the appearance, color, texture, and other characteristics of each finish required;

Range samples showing the complete range of variation in color, texture, and other characteristics resulting from the carefully controlled manufacture, finishing, fabricating, delivery, assembly, installation and cleaning processes;

Finished samples of major extrusions;

Finished samples of each sheet in thickness and type required;

Samples showing finishes over welds and over materials welded.

Submit [four] 4 identical pieces of each sample required.

Samples of production materials shall be the following sizes:

Anchor assembly: Each type Fastening devices: Each type.

Finish hardware: Each type.

Finish samples: 30 cm x 30 cm, each type and finish.

Finished extrusions: 30 cm in length.

Finished sheet: 30 cm x 30 cm, each type.

Flashing: 30 cm long, each type. Include lap or splice jointing.

Glass: 30 cm x 30 cm, each type and edge finish.

For insulating glass units provide assemblies representative of units to be used in the finished work, including scheduled glass, coatings, spacers, edge seals, and edge deletion.

Gaskets: 30 cm long, each type, and 30 cm x 30 cm, each corner.

Setting blocks, shims, and other glazing accessories: Each type.

Louvers: 30 cm x 30 cm assembly Sealants: Cured sample, 30 cm long, each type.

Stud or Plug Welds to Sheet: 30 cm x 30 cm, each type.

Ballistic trim bars, 30 cm.

Window Corner Fabrication: Submit one 30 cm x 30 cm (12 inch x 12 inch) long, full-size window corner to Project Director/COR at project site. Incorporate full-size sections of extrusions with factory-applied color finish, cladding and removable covers, weatherstripping, and glazing. This requirement may be waived, with the approval of OBO/CFSM/SM/SCD/SEB, if we have a current sample that matches the product.

Quality Control Program: Submit prior to start of fabrication. See Part 1 Article on QUALITY ASSURANCE.

A. Condensation Resistance Simulations:

Submit computer simulation results confirming conformance with specified condensation resistance performance criteria.

Warranties: Samples of required warranties.

QUALITY ASSURANCE

Testing Laboratory Qualifications: For compliance with non-security performance requirements on security window assemblies of this Section, use only those testing laboratories which have successfully demonstrated to Project Director/COR that they have experience and capabilities needed to satisfactorily conduct required tests.

Delegated Design Responsibility: Contractor shall retain an experienced Professional Engineer, registered in the U.S. or in country with significant experience with windows of similar complex performance requirements, and acceptable to the Project Director/COR, to perform responsibilities of Delegated Design.

<Retain for FB/BR windows.> Quality Control for Forced-Entry/Ballistic Resistant (FE/BR) Products: Certify compliance of fabricated and assembled FE/BR products specified in this Section with each quality control procedure established by the Government; these procedures are identified in Compliance Form found at end of this Section. Other quality control forms are found at end of Section 083454 "Forced Entry (FE) / Ballistic Resistant (BR) Door Assemblies."

Manufacturer's Technical Representative: For GPE projects the Contractor will hire from the manufacturer a technical representative. The manufacturer's technical representative shall be an employee of the manufacturer and have the following responsibilities:

Pre-Installation Conference: See Part 1 Article on PRE-INSTALLATION MEETINGS.

Training: The manufacturer's technical representative (at no cost to the U.S. Government) shall provide the crew, which is to actually perform the installations of the FE/BR assemblies with a minimum of 16 hours of on-site, hands-on training before the installation of the first FE/BR window. The manufacturer's technical representative shall also instruct the crew on preventive measures which must be taken to protect the FE/BR assemblies from damage during construction.

Inspection: See Part 3 Article on FIELD QUALITY CONTROL FOR THE GENERAL CONTRACTOR/INSTALLATION CONTRACTOR..

Additional Assistance: The manufacturer's technical representative (at no cost to the U.S. Government) shall provide the Contractor any additional advice, instruction, training, supervision, or inspection required to enable the Contractor to complete the installation certification described below, and to fully train the Embassy staff in the proper operation and maintenance of the FE/BR assemblies while on site before turn over to the DOS.

Quality Control inspection documents shall incorporate:

Security Glazing Requirements including the following:

Whether internal channels are used to separate glass from polycarbonate or otherwise framed for solid laminated glazing, minimum glazing depth in openings (bite) for attack and protected sides which shall not be less than 20 mm and 6 mm cushion clearance to fixed stop on glazing edges.

Quality Control Program:

Quality Control Program shall cover all phases of the window Work including, but not necessarily limited to, the following:

Procurement of materials, including quality assurance programs of major suppliers.

Fabrication of components.

Production testing.

Final assembly of components.

Installation and site quality control.

Quality Control Program shall indicate the following for each quality control measure/activity:

Item/property being inspected/tested Control point in process and frequency of inspection/testing Inspection/test method Acceptance criteria and reference standards/specifications Method of documentation Action to address deficiencies Quality Control Program shall include detailed descriptions of inspection and production testing programs and inspection reports for:

Coatings of metal. Vertically integrate, and include controls by metal fabricator and finisher, as well as by Contractor to provide independent checks of metal quality and finish at point of fabrication, finishing, and during installation Structural glazing.

At the request of the Project Director/COR, a Government representative shall be allowed access to Contractor’s facilities and those of major suppliers at any time to monitor QC procedures. Make available all QC Program records upon request.

RESERVED

IDENTIFICATION SYSTEMS

Identify each assembly to provide Government with ready reference to original manufacturer to facilitate reorders, replacement parts, service, resolution of complaints, and inventory. Provide a steel stamped ID plate. Locate one plate on the lower right corner (hidden) of the secure side of the window frame. Locate one plate on lower right of the interior window frame cladding (visible). The plate shall be approximately 40 x 75 mm, must be easily accessible and shall cite:

Manufacturer's name/city/state.

Contract number.

Month/year of manufacture.

Mark number.

Government or ASTM/UL certification model number.

Government code number.

DELIVERY, STORAGE, AND HANDLING

Deliver each assembly to project site with fabrication, finishing, and assembly of primary panels, sub-frames, and frames completed and prepared for installation and connection with security systems. Refer to Division 01 Section “Secure Shipment” for additional requirements.

Deliver window assemblies as factory glazed unless otherwise directed by Government.

Pack window assemblies and accessories; One crate for the window and frame, including installation accessories: All anchors, bolts, screws, shims, ballistic trim, shop drawings, etc. Provide a separate compartment, and clearly label each crate for each type of component. Removable covers/trim and sub-frames may be shipped separately.

Provide protection of frame finishes using the specified surface protection film.

Treat security window assemblies as fragile merchandise, and packaged and shipped in export wood cases, not comprised of wood manufactured with phenols, with width end in upright position and blocked together in a mass. Do not use plastic or polyethylene sheeting, or extruded polystyrene. Comply with Manufacturer's directions for storage and handling to prevent edge damage or other damage to assembly resulting from effects of moisture, condensation, temperature changes, direct exposure to sun, and contact with chemical solvents, and ground contaminants. Clearly mark crates to indicate which side should be opened first.

Clearly mark sub-frames with window mark number and identify attack side, head, sill, and left and right jambs. Package sub-frames separately and ship in export wood crates separate from the window assemblies. Protect each sub-frame piece to minimize damage to finished surfaces.

Conduct thorough visual inspections of the glazing prior to packaging.

Include packaging that clearly lists non-compatible materials for temporary protection during construction and cleaning. Include this information on the manufacturer’s website, product literature, warranties, and other documents provided to the construction team and building occupants.

Include tilt, temperature, and humidity indicators with packaging, one of each located on exterior of packaging and one of each on interior of package. Manufacturer shall provide glazing and humidity maximum limits marked on the crates and include limits in the packing information.

Store materials in a dry, well ventilated location. Keep handling of materials to a minimum, and carefully protect materials from soiling and from condensation and other harmful moisture. Provide vapor-permeable materials for protection during shipping. Do not trap moisture within or adjacent to windows.

Conduct thorough visual inspections of glazing before installation. Inspections should include removal of glazing stops, if applicable. Do not install glazing with any cracks in the polycarbonate. Contractor shall remove film after doors and windows are installed on project site.

WARRANTY

Special Warranty: Written warranty in which Contractor agrees to repair or replace components of the windows that do not comply with requirements or that fail in materials or workmanship within the specified warranty period.

Failures include, but are not limited to, the following:

Abnormal deterioration, aging and weathering of the windows;

Leakage of water or air exceeding specified limits;

Structural failure of components resulting from exposure to pressures and forces within specified limits;

Failure of operating parts to function normally;

Deterioration/discoloration of finishes in excess of normal weathering and aging;

Glass breakage due to defective design, manufacture, or installation;

Edge separation or any other deterioration whatsoever of laminated glass;

Cracking or crazing of polycarbonate glazing;

Failure of the windows to meet any other specified performance requirements.

Warranty Period: Five years from date of Substantial Completion.

Warranty, Organic Coatings:

Joint and several warranty in which coating manufacturer and applicator agree to repair finishes or replace aluminum that shows evidence of deterioration of factory-applied finishes within the specified warranty period.

Deterioration includes, but is not limited to, the following:

Color change exceeding 5 Delta E (Hunter) units when measured according to ASTM D 2244.

Chalking in excess of a No. 8 rating when measured according to ASTM D 4214.

Cracking, checking, peeling, or failure of paint to adhere to substrate.

Warranty Period: [10] years from date of Substantial Completion Manufacturer’s Special Warranties for Structural and Weatherseal Sealants:

Written warranties in which elastomeric sealant manufacturer agrees to furnish and install elastomeric joint sealants to repair or replace those that fail to provide airtight and watertight joints, or fail in adhesion, cohesion, abrasion resistance, stain resistance, weather resistance, or general durability or appear to deteriorate in any other manner not clearly specified in the manufacturers data as an inherent quality of the material.

Warranty Period: 10 years from date of Substantial Completion

PRODUCTS

PERFORMANCE REQUIREMENTS

Delegated Design: Design of the windows (including comprehensive structural analysis) shall be performed by a professional engineer. Refer to the Part 1 Article on QUALITY ASSURANCE for required qualifications. Responsibilities also include design and integration of associated security glazing, and ensuring conformance to performance requirements for security glazing; see Section 088855 “Security Glazing.”

Applicable Criteria: Utilize criteria identified below, including criteria such as seismic and other loads. Engineering design development, materials and methods of construction other than that indicated or implied by the Contract Documents may be employed when such materials and methods when they are consistent with these criteria. Any deviations from these, or clarification where there are apparent conflicts with these, must be obtained from the Project Director/COR.

Performance requirements identified in this Article;

Other applicable criteria included within the OBO Design Standards (e.g., OBO Codes, reference documents);

Design intent documents prepared by the A/E involved with RFP documentation, and consistent with these performance requirements and other criteria in the OBO Design Standards.

Contractor’s Professional Engineer’s Responsibilities:

The Contractor’s Professional Engineer shall prepare and endorse complete engineering design and calculations and shall check and monitor the preparation of all shop drawings for conformance with the engineering design and calculations, and for compliance with the Contract Documents.

Engineer shall submit structural calculations for all components of the windows and indicate ultimate factors of safety.

As evidence of conformance to these requirements, each shop drawing and calculation sheet shall bear the seal and self-written signature of the Engineer General: Fabricate and install aluminum framed window units anchored to steel subframes to achieve the following security-related resistances, along with other indicated performances. Extend resistance to include anchorages and interfaces with adjoining substrates. Provide window rating as listed on the window schedule.

Forced-Entry (FE) resistance rating for attack with ordinary hand tools for the following ratings of the Physical Security Division of the Bureau of Diplomatic Security (DS/PSP/PSD).

Government Code 1: No FE resistance rating.

Government Code 2: 15 minutes.

Government Code 3: 60 minutes.

Government Code 4: 5 minutes.

Ballistic Resistance (BR) assemblies: Where window assembly is shown or scheduled as BR, provide the following ratings:

Government Code 1: No BR resistance rating.

Government Code 2: Submachine gun, 9 mm.

Government Code 3: Rifle, 5.56 & 7.62 NATO.

Government Code 4: Armor piercing, 0.30-06

TABLE 1.2 - WINDOW CODES

Provide combined performances for indicated requirements, with each performance surviving combined attacks within rating limitations of performance, but recognizing that certain forms of attack may result in severe damage to units, even though repelled successfully, leading to need for replacement of units, or of damaged elements of units.

Ballistics-Resistance Performance: Provide units identical to those tested for compliance with the following requirements:

Certified as complying with SD-STD-01.01, Revision G and H, by the U.S. State Department, for ballistics resistance when tested by a qualified testing agency.

Forced-Entry-Resistance Performance: Provide units identical to those tested for compliance with the following requirements:

Certified as complying with SD-STD-01.01, Revision G and H, by the U.S. State Department, for forced-entry resistance when tested by a qualified testing agency.

Structural Performance: Aluminum security windows shall withstand the effects of wind loads determined as follows, with no permanent deformation or breakage within window assembly when designed in according to ASCE 7-16 and tested according to ASTM E 330:

Basic Wind Speed: 90 meters per second (200 miles per hour) at 10 meters (33 feet) above grade.

Structural Glazing Sealant Bite: Sealant bite shall be adequate to resist specified loads.

Snap-on Components: Concentrated load of 4.5 kg (10 lbs.) at any point.

<AIR LEAKAGE CRITERIA IN PARAGRAPH BELOW ARE CONSISTENT WITH WINDOW CLASS “AW” (HIGHTEST PERFORMING CLASS OF WINDOWS) PER AAMA 101.> Air Infiltration for Fixed Windows: Not more than 0.2 L/s per sq. m (0.04 cfm/sq. ft.) at an inward test pressure of 300 Pa (6.27 lbf/sq. ft.) when tested according to ASTM E 283.

Water Penetration:

Under Static Pressure: No evidence of water penetration through fixed glazing when tested according to ASTM E 331 at a minimum static-air-pressure differential of 20 percent of positive wind-load design pressure, but not less than 480 Pa (10 lbf/sq. ft.).

Under Dynamic Pressure: No evidence of water penetration through fixed glazing when tested according to AAMA 501.1 at dynamic pressure equal to 20 percent of positive wind-load design pressure, but not less than 480 Pa (10 lbf/sq. ft.).

Maximum Water Leakage: Water penetration shall be defined as any water, other than condensation, that appears on any interior surface of the window, or on any surface inside the concealed spaces of the window or adjacent construction not designed specifically to function as part of the rainwater management system for the building enclosure. This definition of water penetration governs over those found in referenced documents.

Thermal Movements: Allow for thermal movements resulting from the following maximum change (range) in ambient and surface temperatures:

Temperature Change (Range): [67 deg C (120 deg F)], ambient; [100 deg C (180 deg F)], material surfaces.

Test Interior Ambient-Air Temperature: 24 deg C (75 deg F).

Test Performance: No buckling; stress on glass; sealant failure; excess stress on framing, anchors, and fasteners; or reduction of performance when tested according to AAMA 501.5.

Thermal Transmittance (U-factor): Fixed glazing and framing areas shall have U-factor of not more than [2.2] W/sq. m x K ([0.40] Btu/sq. ft. x h x deg F) as determined according to NFRC 100.

Solar Heat Gain Coefficient (SHGC):

Fixed glazing and framing areas shall have a solar heat gain coefficient of no greater than [0.48] as determined according to NFRC 200.

Fixed glazing and framing in locations where special coatings using approved coating products are used, a solar heat gain coefficient of no great than [0.XX] [as determined according to NFRC 200].

Condensation Resistance: Fixed glazing and framing areas shall have [an NFRC- certified] condensation resistance rating of no less than [60] as determined according to NFRC 500.

Visible Light Transmittance (VLT): Refer to Section 088855 “Security Glazing” for limitations on performance requirements for certain glazed assemblies.

Sound Transmission: Provide aluminum windows with fixed glazing and framing areas having the following sound-transmission characteristics:

Outdoor-Indoor Transmission Class (OITC): Minimum 30 when tested for laboratory sound transmission loss according to ASTM E 90 and determined by ASTM E 1332.

Facilitation of Glazing Replacement: Install aluminum security window assemblies only into a steel substrate in such a manner that allows for future glazing panel replacement. This may be either a structural steel wall or other structural steel assembly, a steel sub-frame in concrete, or a steel sub-frame attached to concrete.

Mullions: Provide mullions between window units that are designed to provide thermal isolation and performance equal to the performance of the adjacent window unit frames. Mullions must meet all applicable FE/BR and/or blast requirements.

Building Structure Movements and Tolerances:

The windows shall accommodate differential structural movements, deflections, interstory drift, and thermal movement of the building structure due to gravity loads, wind loads, seismic loads and temperature.

The windows shall accommodate the following without distress, disengagement, or damage:

[Slab] [Perimeter beam] deflection due to service live load, column shortening, and differential long term creep.

Interstory lateral drift (serviceability).

The windows shall accommodate the following without detachment of components from the building or glass fallout:

Interstory lateral drift (ultimate).

The windows, including its connections to the building structure, shall accommodate the fabrication and erection tolerances allowed for the building structure.

Slabs, beams, and columns; left/right and up/down.

It is the responsibility of the Contractor to refer to the appropriate specifications of Cast-In-Place Concrete, Structural Steel, or Metal Framing for the full description of structural movements and tolerances.

Animal Nuisance Control:

The windows shall inhibit the entry of insects or other small animals which would constitute a nuisance by their presence.

MANUFACTURER/FABRICATOR

Selection of fabricator/manufacturer for each type of security window assembly, and selection of manufactured elements which are used in make-up of that assembly, are Contractor's options subject to the following requirements and limitations, approval by the Project Director/COR and subject to general provisions of Construction Contract:

Pre-certified fabricators of ballistic--resistant and forced-entry-resistant assemblies are identified in a separate Contract attachment labeled “Government Certified FE/BR Products and Designs".

METALS

Select the alloy, degree of alloy control, homogeneity, temper, metallurgical quality, degree of hardness or softness, mill tolerances, cutting tolerances and flatness, required to achieve the requirements of design, quality, and color matching of finish set forth in Drawings and Specifications.

Aluminum:

<Alloy 3003 is commonly used with painted finishes. Alloy 5005 is typically used with anodized finishes, as it exhibits better color uniformity.> Flat sheet: AA [3003][5005] H14, ASTM B209, stretcher-leveled and stress-relieved.

Extrusions: AA 6061-T6 or AA 6063-T5 or T6; ASTM B221 Other flat sheets and extrusion grades and selection may be allowed with the approval of OBO/CFSM/SM/SCD/SEB, but in all cases, they should not only meet the physical requirements, but ability to finish the material shall be similar.

Carbon Steel:

Rolled shapes, plates and bars: ASTM A36, A572, A992.

Hollow steel sections (HSS): ASTM A500 Cold rolled sheet and strip: ASTM A1008.

Hot rolled sheet and strip: ASTM A1011.

Fasteners:

Bolts and Screws: ASTM A307 or F3125 Grade A325 or A490.

Socket Head Cap Screws: M12, Zinc-plated.

For non-blast rated windows: Class 10.9 (Grade 8) or Class 12.9.

For blast rated windows: As required by blast analysis report.

Washers: Zinc-plated.

For non-blast rated windows: Class 10.9 (Grade 8) or Class 12.9.

For blast rated windows: As required by blast analysis report.

Nuts: ASTM A563 or ISO 4032/8673.

Stainless Steel:

Sheet, plate, bars and strip: ASTM A240, sulfur not to exceed 0.005 percent; ASTM A480, stretcher-leveled and stress-relieved.

Exposed: AISI Type 316 Concealed: AISI Type 304 Fasteners: AISI Type 303, 304 or 316.

Bolts and screws: ASTM F593.

Nuts: ASTM F594.

Button and countersunk head screws: ASTM F879.

FABRICATION AND ASSEMBLY

General:

To the fullest extent practicable, all fabrication and most assembly shall be executed in the shop. Work not shop-assembled shall be shop-fitted to ensure fit. Refer to Part 3 Article on INSTALLATION; any remaining assembly work is part of that activity.

Use no materials, equipment or practices that may adversely affect the function, appearance, performance, or long-term durability of the completed windows or adjacent construction.

The windows shall be accomplished in compliance with the specified criteria without buckling, opening of joints, undue stress on fasteners, sealants and gaskets, opening of welds, cracking of glass, leakage, noises or other harmful effects.

Conform strictly to the materials, finishes, shapes, profiles, sizes, thicknesses, and joint locations required by the Drawings and Specifications.

Match all materials to produce continuity of line, texture and color.

Work shall be of the highest quality, in accordance with the best trade practices, and performed by skilled workmen. All work shall be accomplished to the satisfaction of the Project Director/COR.

All components exposed in the finished work shall be free from warping, oil-canning effects; the telegraphing of welds, studs, and other fasteners; streaks, tool and die marks.

Finish exposed metal edges to match adjacent finished surfaces.

Reduce exposure to non-compatible chemical substances including, but not limited to, the following:

Phenols.

Silicone-based sealants (non-neutral cure agents).

Cutting oils.

Common cleaning chemicals known to contribute to polycarbonate environmental stress cracking such as ammonia and isopropyl.

Ethylene-propylene rubber (EPDM) setting block and gasket off-gassing compounds.

Manufacturer’s Standards:

Materials, components and systems incorporated in the Work shall be mixed, applied, installed and otherwise used in strict accordance with the recommended standards and procedures of the respective manufacturers.

Storage and Handling at Manufacturing and Fabricating Facilities:

Refer to Part 1 Article on DELIVERY, STORAGE, AND HANDLING. Those requirements also apply during the fabrication portion of this Section.

Jointing and Reinforcing:

Accurately fit and firmly secure all exposed metal joints with metal to metal hairline contacts.

Install fastenings at an approved spacing.

Fasteners shall not penetrate gutters and drainage systems.

Screws and fasteners up to and including 8 mm (5/16 inch) diameter and all that are drilled and/or tapped into aluminum shall be 300 series stainless steel.

Fasteners 9.5 mm (3/8 inch) diameter and heavier shall be stainless steel or hot-dip galvanized.

Jointing and splicing of members shall be concealed. Exposed fasteners shall occur only where expressly permitted by the Project Director/COR. Where exposed in finished surfaces, screw heads shall be Phillips oval-head countersunk type, finish to match adjacent surfaces.

Conceal all joint sealants except as noted on the Drawings.

Reinforce elements to resist loads imposed upon them by doors, hardware, anchors, and other attachments.

Welding:

Weld steel in accordance with the recommendations of the American Welding Society.

Welding shall be done by skilled mechanics qualified by test in the last 12 months as prescribed in the American Welding Society Code and as applicable to the material thickness and type of welded joint on which the welders will be employed.

Welding shall be done with electrodes and/or methods recommended by the suppliers of the metals being welded. The type, size, and spacing of welds shall be as shown on the approved shop drawings. Welding materials and methods shall be such as not to cause distortion, discoloration, or result in any other adverse effect on the required profiles and finishes of visible surfaces of the windows.

Welding of aluminum alloys and the qualifications of aluminum welders shall conform to the requirements of the Aluminum Association “Specifications for Structures of Aluminum Alloys, Aluminum Construction Manual”.

Welding of stainless steel shall be by TIG welding or other methods subject to approval. Use double bevel butt welds, backing bars to remove heat, jigging, tack welds and any other measures necessary to minimize distortion.

Remove weld spatter and welding oxides on exposed surfaces. Finish exposed welds to match and blend with adjacent parent metal prior to final finish application.

Stud welding shall be done by mechanics trained by the manufacturer of the stud setting system. The manufacturer shall develop specific programs and instructions in cooperation with the fabricator to suit the needs of the specific details. The fabricator shall exercise particular care that all recommendations of the manufacturer are closely followed. Visible marks (telegraphing) on finished surfaces due to welding of studs shall not be acceptable.

Sealant and Gasket Applications:

Provide sealing mechanisms (sealants and gaskets) where shown on the drawings or required for a permanently weathertight installation. The sealing mechanism for each location and use shall be as indicated on drawings. In those locations where a mechanism is necessary but is not indicated, it shall be of a type recommended by the Contractor and approved by the Project Director/COR..

Design all sealed joints in accordance with the recommendations of the sealant and/or gasket manufacturer.

Gasket materials shall be appropriate for the function intended and are subject to approval by the Project Director/COR.

Submit test samples of all substrate materials to the sealant manufacturer for compatibility and peel adhesion testing.

Protect adjoining surfaces not to receive sealants against staining by masking and/or other methods. Conceal sealant joints from view to the extent possible. Do not allow sealants to contact interlayers of laminated glass.

Joints and joint surfaces shall be clean, dry, and free of any materials that may have an adverse effect on the performance of the sealant and gasket materials.

Sealant application: ASTM C1193.

Apply sealants and gaskets under the climatic conditions recommended by the manufacturer(s). Sealant shall not be installed when substrates are wet or when ambient or surface temperature is below 40 deg F. All surfaces to receive sealants shall be treated (cleaned, primed or unprimed) in accordance with the recommendations of the sealant manufacturer. Use no sealant that has started to set in its container or a sealant that has exceeded the shelf life published by the manufacturer.

Glazing gaskets shall be vulcanized, injection molded or heat-welded at the corners to form a continuous closure.

Fill all joints continuously and completely with sealant, forming a neat uniform, concave bead. Finish the material flush with adjoining surface unless otherwise shown on the Drawings. All sealant surfaces shall be tooled smooth. Upon completion of tooling, immediately remove masking tape from adjacent surfaces.

Glass and Glazing:

Comply with the GANA “Glazing Manual.”

Glazing shall be performed without springing or forcing. Follow all instructions of the glass and glazing materials manufacturers.

Glass and glazing materials shall be compatible with each other and adequate for their intended purpose. Each material type shall be as per details and approved Shop Drawings.

Protect all adjoining surfaces not to receive glazing materials against staining or damage of any kind.

Glazing rabbets shall be clean, dry, and free of any materials that might adversely affect the bond and seal of the glazing materials or the drainage of the rabbet.

Install glass and glazing materials under the climatological conditions recommended by the fabricator.

Prime all surfaces to receive glazing materials unless recommended otherwise, in writing, by the manufacturers and approved by the Project Director/COR.

Use no sealant that has started to set in its container, nor a sealant that has exceeded the shelf life published by the manufacturer.

Do not install sealant unless the ambient and joint surface temperature is at least 40°F and rising.

Install exposed sealants so that the top surfaces of the sealant beads are sloped to drain water away from the glass. Exposed sealant surfaces shall be tooled smooth.

Setting blocks shall be at least 25 mm (1/4 inch) in thickness, full width of the rabbet, and placed at the glass quarter points. They shall be of a length recommended by the glass manufacturer and be configured in such a way as not to impede water drainage of the glazing rabbet.

Provide jamb blocks on each glass unit supported on four sides. Place blocks at the top and bottom of the rabbet, 12 mm (1/8 inch) clear of the glass edge.

Face spacers shall be applied around the perimeter of each glazed opening on both inside and outside faces.

Glass shall be centered in each opening to provide the bite and clearances recommended by the glass manufacturer and approved by the Project Director/COR.

Apply no tapes, ribbons or markings to the glass.

Structural Glazing:

Comply with ASTM C 1401.

Wherever possible, silicone glazing design shall permit glazing to the major framing members in the factory.

Provide test samples of all substrate materials to the sealant manufacturer for peel adhesion and accelerated weathering testing. Conduct testing with materials and finishes identical in every respect to approved production materials and finishes.

Prior to undertaking any structural glazing, submit complete structural glazing procedures, including permissible conditions, temperatures, cure times, temporary restraint design, surface preparation and all other procedures, including quality control inspection program that may be employed.

Perform periodic deglazing of structural silicone glazed lites per ASTM C1401 Paragraph 34.4 and the sealant manufacturer’s recommendations, at a rate of one unit in the first 10 produced, one in the next 40, one in the next 50, and one every 100 thereafter.

Clearance and bite dimensions shall match approved shop drawings.

Thermally Improved Construction: Fabricate aluminum windows with an integral, concealed, low-conductance thermal barrier; located between exterior materials and window members exposed on interior side; in a manner that eliminates direct metal-to-metal contact.

Provide thermal-break construction that has been tested to demonstrate resistance to thermal conductance and condensation and to show adequate strength and security of glass retention.

Provide thermal barriers tested according to AAMA 505; determine the allowable design shear flow per the appendix in AAMA 505.

Weep Holes: Provide weep holes and internal passages to conduct infiltrating water to exterior for dry glazed units:

Mullions with Strong-backs or Steel Connections: Provide thermally improved mullions and cover plates matching window units, complete with anchors for support to structure and installation of window units. Allow for erection tolerances and provide for movement of window units due to thermal expansion and building deflections, as indicated. Provide mullions and cover plates capable of withstanding design loads of window units.

Sub-Frames: Provide steel sub-frames for all FE and FE/BR windows for installation at concrete, masonry, and other non-steel rough openings and for structural steel openings where the depth is less than the window frame depth. For individual openings, sub-frames shall be provided by the window supplier. Sub-frames shall be 12 mm (1/4 inch) thick minimum steel, with a minimum depth equal to or greater than the window frame depth, or 12mm thick minimum embed plates with welded studs. Coordinate the sub-frame anchor locations with the window frame bolt hole locations. The sub-frame shall be predrilled for the window anchors and assembled and braced by the manufacturer prior to shipping, in order to avoid out of plane deformation during transportation, installation and concrete pouring. Exceptions for predrilling of the window anchors may be allowed when the steel tube is being fabricated for interior hardlines or exterior retrofits with approval of OBO/CFSM/SM/SCD/SEB. The Contractor shall provide all additional bracing necessary to ensure that the sub-frame is installed square and plumb. The shim gap between the tube steel sub-frame and the window frame shall not vary more than 6-mm per side, or as tested for certification, for the entire window, excluding any space for weather proofing (maximum 4-mm for weather proofing per side). Provide a minimum gap of one shim (1.5 mm shim) or 1.5 mm.

The following details may be considered as minimal requirements; Actual details may vary depending on the blast loading requirements.

For New Concrete: Provide a flat-plate for exterior locations and either a flat-plate or tube steel for interior, sub-frame anchored to concrete attached with headed steel studs, 12 mm (1/4 inch) diameter by 150 mm (6 inch) long, spaced at 450 mm (18 inch) on center, or in accordance with blast design.

Do NOT Weld braces and supports to hot dipped galvanized subframes. Provide gusset plates that can utilize the window anchor holes as needed to reinforce the corners for concrete placement and add additional shoring and bracing as required.

Factory-Glazed Fabrication: Glaze aluminum windows in the factory. Comply with requirements in Section 088855 "Security Glazing" and with AAMA/WDMA 101/I.S.2/NAFS.

Glazing Stops: Provide snap-on or bolted glazing stops coordinated with Section 088855 "Glazing" and glazing system indicated. Provide glazing stops to match frames.

PROTECTIVE TREATMENT FOR METALS

Galvanizing Carbon Steel (hot dip):

For shapes, plates, bars and strip: ASTM A123 (2 oz/ft2 minimum coating thickness).

For fasteners and hardware: ASTM A153.

For sheet: ASTM A653 (G90).

For…