VA 08 56 53-2012 BLAST RESISTANT WINDOWS.pdf

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1、05-01-12 08 56 53 - 1 SECTION 08 56 53 BLAST RESISTANT WINDOWS SPEC WRITER NOTE: 1. Delete between /-/ if not applicable to project. Also delete any other item or paragraph not applicable in the section and insert additional items required by project and renumber paragraphs. Identify all frames by t

2、ypes. Verify that drawings show the required windows and frames. 2. See VA Physical Security Design Manual for security requirements. 3. Obtain blast resistance requirements from Physical Security Design Standards Definitions, a separate publication provided by the VA. PART I - GENERAL 1.1 DESCRIPTI

3、ON The extent of exterior metal window units required to provide specified resistances is indicated on Contract Drawings by elevations/details/ schedules/notations. 1.2 RELATED DOCUMENTS A. Glazing and ballistic rated glazing: Section 08 80 00, GLAZING. B. Deal trays of a forced entry/ballistic resi

4、stant rating: Section 08 56 59, SERVICE AND TELLER WINDOW UNITS. C. Guard Booths: Section 13 34 19, METAL BUILDING SYSTEMS. 1.3 SYSTEM PERFORMANCE A. General: Fabricate and install FE/BR window assemblies to achieve indicated levels of resistance. Extend resistance to include anchorages, interfaces

5、with adjoining substrates, glass retention, and hardware. Security attacks shall be unable to penetrate through closed/locked security window assemblies in manner described; it is recognized that such attacks may damage units beyond repair and reuse, requiring replacement. 1. Forced-Entry (FE) resis

6、tant assemblies: Where window assembly is shown or scheduled as FE, provide window manufacturers material and fabrication for panels, inserts, hardware, devices, and framing of units. Provide rated units where shown or scheduled a. /No FE resistance rating./ b. /Provide resistance of 5 minutes for f

7、orced entry, using basic hand tools./ Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-05-01-12 08 56 53 - 2 c. / Provide resistance of 15 minutes for forced entry, using basic hand tools./ 2. Ballistic Resistant (BR) assemblies: Where assembly is sho

8、wn or scheduled as BR, provide manufacturers materials and fabrication for panel, inserts, and framing of unit. Provide rated units where shown or scheduled. a. /No BR resistance rating./ b. / UL 752 level 3/ 3. Provide combined performances for indicated requirements, with each performance survivin

9、g 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. 4. Blast Resistance: Provide resistance as fol

10、lows: a. /Blast Resistance/ 5. Normal resistances: Provide units capable of the following levels of performance for weather and environmental exposures: a. Thermal Movement: Provide assembly capable of withstanding thermal movements resulting from ambient range of 150 deg. F (67 deg. C). Window wall

11、 temperature may be assumed to reach ambient temperature of 180 deg. F (82 deg. C). b. Air infiltration: Maximum rate of 9.64 cu. in./min. per sq. in. (0.0017 cu. m/min per sq. m) of window area plus 52 cu. in./linear ft. (0.0028 cu./m per linear m) of operable sash joint for inward test pressure of

12、 6.24 psf (298.8 Pa) per ASTM E 283. c. Water penetration: No leakage for inward test pressure of 8 pounds (3.63 kg) force, per ASTM E 331. 1.4 SUBMITTALS A. General: For each security window assembly, submit the following in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA AND SAMPLES.

13、 1. Product data for manufactured/fabricated metal window units and sub-frames. Include standard details and specifications for metals and alloys, fasteners, welding, applied finishes, hardware, and accessories. Include producers detailed instructions for assembly, protection, installation, and main

14、tenance. 2. Manufacturers standard color chart. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-05-01-12 08 56 53 - 3 3. Certification: letter from manufacturer indicating that products have been certified as meeting the FE/BR requirements specified

15、in this Section. 4. Shop drawings showing dimensioned details of metal window units. Show application of intended glazing materials. Show typical window unit interior and exterior elevations at not less than “=1-0“ (1:20) scale. Indicate how window units, not necessarily including basic sub-frames,

16、are to be subsequently removed/replaced; and how glazing unit removal/replacement is to be accomplished. After final modifications and corrections have been incorporated, submit drawings as AutoCAD files with .DWG extension: a. Details: Show sections at 3“=1-0“ (1:5) scale of members indicating cons

17、truction, size, and thickness of components, together with connections, fastenings, and means of separating dissimilar metals. 5. Calculations: Provide calculations prepared by qualified blast consultant verifying that window and glazing meet specific blast resistance requirements detailed in this S

18、ection. 1.5 QUALITY CONTROL Provide products that meet the requirements of Unified Facilities Criteria for DOD minimum Antiterrorism Standards for Buildings UFC4-010-01. 1.6 DELIVERY, STORAGE, AND HANDLING A. Comply with Manufacturers directions and as required to prevent edge damage or other damage

19、 to assembly resulting from effects of moisture, condensation, temperature changes, direct exposure to sun, and contact with chemical solvents. B. Deliver prefabricated units to Project as completely assembled units, ready for anchorage into supporting structure, and for interfacing with other work.

20、 1.7 APPLICABLE PUBLICATIONS A. The publications listed below form a part of this specification to the extent referenced. The publications are referenced in the text by the basic designation only. SPEC WRITER NOTE: Delete publications which do not apply to the project. B. American Society for Testin

21、g and Materials (ASTM): Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-05-01-12 08 56 53 - 4 ASTM A36/A36M-08. Standard Specification for Carbon Structural Steel ASTM A123/A123M-09. Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Ir

22、on and Steel Products ASTM A320/A320M-11. Standard Specification for Alloy-Steel and Stainless Steel Bolting Materials for Low-Temperature Service ASTM B221-08. Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes ASTM E283-04. Standard Test Method fo

23、r Determining Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified Pressure Differences Across the Specimen ASTM E331-00(R2009). Standard Test Method for Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Uniform Static Air Pressure Differ

24、ence C. National Association of Architectural Metal Manufactures (NAAMM) AMP 500-06 . .Metal Finishes Manual D. Underwriters Laboratories, Inc. (UL): UL752-2011 . Bullet Resisting Equipment E. Unified Facilities Criteria (UFC): 4-010-01-2012 DOD Minimum Antiterrorism Standards for Buildings SPEC WRI

25、TER NOTE: Update Product requirements to agree with applicable requirements (Types, Grades, Class, Tables, etc) specified in the referred. PART 2 - PRODUCTS 2.1 MANUFACTURER/FABRICATOR Certified Units: Provide units and sub-frames which are manufactured/fabricated by firms which have produced identi

26、cal units required for this Project and which have been certified to comply with requirements for levels of resistance to attack specified. 2.2 MATERIALS A. Steel Shapes/Plates/Bars: ASTM A 36, except where another designation is indicated. Provided by IHSNot for ResaleNo reproduction or networking

27、permitted without license from IHS-,-,-05-01-12 08 56 53 - 5 B. Stainless Steel: Provide formed members of AISI Type 304 stainless steel sheet, with No. 4 directional polish. C. Bolts and Fasteners: Provide AISI Type 300-series stainless steel screws, bolts, nuts, and washers; comply with ASTM A 320

28、. Provide nonremovable type where accessible from attack side. D. Aluminum Extrusions/Bars: Provide members complying with ASTM B 221, alloy 6063-T5, -T6, or -T52, or alloy 6061-T6, for principal framing members, with 3/16 inch (4.76 mm) minimum thickness of walls; provide alloy 6063-T5, -T6, or -T5

29、2 for trim and stops which are not exposed to forced entry attack, of 1/16 inch (1.575 mm) minimum thickness. E. Window Cleaners Bolts: Provide units of standard design as indicated, complying with applicable safety regulations, fabricated of nonmagnetic stainless steel. F. Glazing Materials: Refer

30、to Section 08 80 00, GLAZING: 2.3 FABRICATION A. Unit Framing: Shop fabricate unit framing system of section profiles in metal as shown. Provide full-strength, mitered-and-welded corner joints. Provide framing units to achieve specified performances, but not less than metal thicknesses and dimension

31、s shown. Comply with applicable AWS standards for welding, with exposed welds ground reasonably smooth. Provide welded-in-place reinforcements, including anchorage devices as shown. Fabricate metal glazing stops for removal, with mitered corners and countersunk screw attachment to frame. 1. New Buil

32、ding: Each exterior frame system shall have inner frame, outer frame, and fasteners to connect them together. The outer frame shall be continuous steel frame embedded in exterior wall as concrete wall is constructed. The inner frame shall be preassembled with glazing and shall be bolted to outer fra

33、me. Both frames shall be supplied by one manufacturer. 2. Existing Buildings: The frame shall be continuous steel frame anchored to existing wall with expansion anchors. If two frame system is used, both inner and outer frames shall be supplied by one manufacturer. B. Unit Anchorages: Fabricate meta

34、l anchorage system/devices as shown, and as required to achieve performance requirements. C. Unit Glazing: Install glazing sheets in frames at fabrication plant prior to delivery to project. See section 08 80 00 for laminated glass assemblies that meet the requirements of UFC4-010-01. Provided by IH

35、SNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-05-01-12 08 56 53 - 6 2.4 FINISHES A. General Finishing: Provide the following factory-applied finishes on the fabricated units of metal window framing and sub-framing, including hardware and accessories. Comply with

36、 NAAMM Metal Finishes Manual AMP 500-505-88 as applicable: 1. Stainless steel: Finish exposed stainless steel components of the work with AISI No. 4 directional polish, except retain manufacturers standard mill finish on exposed fasteners and similar devices. 2. Fabricated aluminum: Provide Class I

37、clear anodized coating of 0.018 mm thickness; comply with Aluminum Association designation AA-Ml2C22A41. 3. Fabricated aluminum: Provide Class I, black, color anodized coating of 0.008 inch (0.018 mm) thickness; comply with Aluminum Association designation AAM12C22A42/A44. PART 3 - EXECUTION 3.1 EXA

38、MINATION A. Examine prepared substrate openings to receive framed fenestration units of this Section. Check anchorages for location and coordination of face plans between walls and fenestration units. Check dimensions and clearances for sealant applications. B. Coat substrate surfaces of concrete, m

39、asonry, or steel where they will be in contact or close proximity with aluminum or stainless steel framing of fenestration units. Apply 1/32 inch (0.76 mm) coating of bituminous paint, confined to surfaces which will be concealed. 3.2 INSTALLATION A. Coordinate installation of window units in sub-fr

40、ames with installation of expansion joint materials, isolators, joint fillers, spacer strips, tapes, gaskets, sealants, removable sub-frame stops, and other elements as indicated. Tighten bolts for maximum shear and tensile strength, for resisting forces indicated. Comply with Fabricators instructio

41、ns and recommendations. B. Place installation accessory items as shown and as required for unit installations, including flashings, shims, fillers, bedding materials, and anchorage accessories. Prepare openings for unit interfaces with other work. C. Install window units uniformly to lines and eleva

42、tions indicated, plumb and level, true to plane of optical reflection. Comply with Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-05-01-12 08 56 53 - 7 Fabricators instructions for final assembly and installation. Install anchor bolts and devices as

43、 indicated, exercising care to shim and tighten against substrates without distorting or deflecting frames from intended lines. Provide uniform spaces around units for subsequent installation of joint sealer materials, which are not work of this Section, see Division 7 section for sealants. D. Ancho

44、rage: The window manufacturer is responsible to provide anchors appropriate for substrate to which window assembly is to be fastened. 1. New Building window assembly installation: The window frame system shall consist of inner and outer frame. The outer frame shall be embedded in concrete wall as co

45、ncrete is placed with sufficient anchorage (embedded studs) to meet performance requirements of this Section. The inner frame shall be anchored to outer frame with inch (13 mm) bolts having the following minimum requirements: a. Yield strength: 130,000 psi (900 MPa) b. Tensile strength: 150,000 psi

46、(1033 MPa) 2. Existing building window assembly installation: Structural frames shall have pre-drilled bolt holes at 12 inches (300 mm) o.c. maximum. The manufacturer shall verify substrates involved and supply fastening tools (e.g., drill, bit) required by their anchoring system. The anchor shall b

47、e acceptable for shock/short duration loading, and have potential for removal during life of building. The anchor shall also meet the following requirements: a. Anchor diameter: 3/8 inch (10 mm) minimum. b. Embedment and edge distances shall be as certified for window, but not less than the followin

48、g: i. Embedment in concrete: 3 inch (90 mm). ii. Embedment in solid masonry: 6 inches (150 mm). iii. Edge distance: 3 inches (75 mm). c. The minimum anchor strengths shall be as certified for window, but not less than: i. Yield strength: 130,000 psi (900 MPa) ii. Tensile strength: 180,000 psi (1240

49、MPa) 3. Avoid cutting of rebar during concrete anchor installation. E. Remove protective covering from finished metal surfaces, and from exposed glass and plastic glazing sheets. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-05-01-12 08 56 53 - 8 F. Overcoat Painting: Refer to Division 9 section on painting for f