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HomeMy WebLinkAbout08 44 13.docMATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 08 44 13 - CARMEL CITY CENTER Date 03.26.12 GLAZED ALUMINUM CURTAIN WALLS MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 SECTION 08 44 13 - GLAZED ALUMINUM CURTAIN WALLS PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section. 1.2 SUMMARY A. Section includes conventionally glazed aluminum curtain walls installed as stick assemblies. B. Related Sections: 1. Division 07 Section "Joint Sealants" for installation of joint sealants installed with glazed aluminum curtain walls and for sealants to the extent not specified in this Section. 2. Division 08 Section “Glazing.” 1.3 PERFORMANCE REQUIREMENTS A. General Performance: Comply with performance requirements specified, as determined by pre- construction testing of manufacturer's standard glazed aluminum curtain walls representing those indicated for this Project without failure due to defective manufacture, fabrication, installation, or other defects in construction. 1. Glazed aluminum curtain walls shall withstand movements of supporting structure including, but not limited to, story drift, twist, column shortening, long-term creep, and deflection from uniformly distributed and concentrated live loads. 2. Failure also includes the following: a. Thermal stresses transferring to building structure. b. Glass breakage. c. Noise or vibration created by wind and thermal and structural movements. d. Loosening or weakening of fasteners, attachments, and other components. B. Delegated Design: Design glazed aluminum curtain walls, including comprehensive engineering analysis by a qualified professional engineer, using performance requirements and design criteria indicated. C. Structural Loads: 1. Wind Loads: a. Basic Wind Speed: 90 mph b. Importance Factor: 1.00. c. Exposure Category: C. D. Structural-Test Performance: Test according to ASTM E 330 as follows: 1. When tested at positive and negative wind-load design pressures, assemblies do not evidence deflection exceeding specified limits. MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 08 44 13 - CARMEL CITY CENTER Date 03.26.12 GLAZED ALUMINUM CURTAIN WALLS MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 2. When tested at 150 percent of positive and negative wind-load design pressures, assemblies, including anchorage, do not evidence material failures, structural distress, and permanent deformation of main framing members exceeding 0.2 percent of span. 3. Test Durations: As required by design wind velocity, but not less than 10 seconds. E. Deflection of Framing Members: At design wind pressure, as follows: 1. Deflection Normal to Wall Plane: Limited to edge of glass in a direction perpendicular to glass plane not exceeding L/175 of the glass edge length for each individual glazing lite or an amount that restricts edge deflection of individual glazing lites to 3/4 inch, whichever is less. 2. Deflection Parallel to Glazing Plane: Limited to L/360 of clear span or 1/8 inch, whichever is smaller. 3. Cantilever Deflection: Where framing members overhang an anchor point, limit deflection to two times the length of cantilevered member, divided by 175. F. Windborne-Debris-Impact-Resistance Performance: Pass missile-impact and cyclic-pressure tests when tested according to ASTM E 1886 and testing information in ASTM E 1996. 1. Large-Missile Test: For glazed openings located within 30 feet of grade. 2. Small-Missile Test: For glazed openings located more than 30 feet above grade. G. Seismic Performance: Glazed aluminum curtain walls shall withstand the effects of earthquake motions determined according to SEI/ASCE 7. 1. Component Importance Factor is 1.0. H. Story Drift: Accommodate design displacement of adjacent stories indicated. 1. Design Displacement: As indicated on Drawings. 2. Test Performance: Meeting criteria for passing based on building occupancy type when tested according to AAMA 501.4 at design displacement. I. Water Penetration under Static Pressure: No evidence of water penetration through fixed glazing and framing areas 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 15 lbf/sq. ft. 1. Maximum Water Leakage: No water leakage as defined by AAMA 501.1. Water leakage does not include water controlled by flashing and gutters that is drained to exterior. J. Thermal Movements: Allow for thermal movements resulting from the following maximum change (range) in ambient and surface temperatures: 1. Temperature Change (Range): 120 deg F, ambient; 180 deg F, material surfaces. 2. Test Interior Ambient-Air Temperature: 75 deg F. 3. 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. K. Energy Performance: Glazed aluminum curtain walls shall have certified and labeled energy performance ratings in accordance with NFRC. 1. Thermal Transmittance (U-factor): Fixed glazing and framing areas shall have U-factor of not more than 0.53 Btu/sq. ft. x h x deg F as determined according to NFRC 100. 2. Solar Heat Gain Coefficient: Fixed glazing and framing areas shall have a solar heat gain coefficient of no greater than 0.38 as determined according to NFRC 200. MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 08 44 13 - CARMEL CITY CENTER Date 03.26.12 GLAZED ALUMINUM CURTAIN WALLS MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 3. Air Infiltration: Maximum air leakage through fixed glazing and framing areas of 0.30 cfm/sq. ft. of fixed wall area as determined according to ASTM E 283 at a minimum static-air-pressure differential of 1.57 lbf/sq. ft.. 4. Condensation Resistance: Fixed glazing and framing areas shall have an NFRC- certified condensation resistance rating of no less than 67(frame) and 65(glass) as determined according to NFRC 500. L. Sound Transmission: Provide glazed aluminum curtain walls with fixed glazing and framing areas having the following sound-transmission characteristics: 1. Outdoor-Indoor Transmission Class: Minimum 32 when tested for laboratory sound transmission loss according to ASTM E 90 and determined by ASTM E 1332. 1.4 PRECONSTRUCTION TESTING A. Preconstruction Testing Service: Provide glazed aluminum curtain walls that comply with test- performance requirements indicated, as evidenced by reports of tests performed on manufacturer's standard assemblies by a qualified testing agency. 1.5 SUBMITTALS A. Product Data: For each type of product indicated. Include construction details, material descriptions, dimensions of individual components and profiles, and finishes. B. Shop Drawings: For glazed aluminum curtain walls. Include plans, elevations, sections, full- size details, and attachments to other work. 1. Include details of provisions for assembly expansion and contraction and for draining moisture occurring within the assembly to the exterior. 2. Include full-size isometric details of each vertical-to-horizontal intersection of glazed aluminum curtain walls, showing the following: a. Joinery, including concealed welds. b. Anchorage. c. Expansion provisions. d. Glazing. e. Flashing and drainage. 3. Include laboratory mockup Shop Drawings, prepared by a qualified preconstruction testing agency, showing details of laboratory mockup. a. Resubmit Shop Drawings with changes made to glazed aluminum curtain walls to successfully complete preconstruction testing. C. Samples for Initial Selection: For units with factory-applied color finishes. D. Samples for Verification: For each type of exposed finish required, in manufacturer's standard sizes. E. Fabrication Sample: Of each vertical-to-horizontal intersection of assemblies, made from 12- inch lengths of full-size components and showing details of the following: 1. Joinery, including concealed welds. 2. Anchorage. 3. Expansion provisions. 4. Glazing. MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 08 44 13 - CARMEL CITY CENTER Date 03.26.12 GLAZED ALUMINUM CURTAIN WALLS MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 5. Flashing and drainage. F. Delegated-Design Submittal: For glazed aluminum curtain walls indicated to comply with performance requirements and design criteria, including analysis data signed and sealed by the qualified professional engineer responsible for their preparation. G. Qualification Data: For qualified Installer and testing agency. H. Seismic Qualification Certificates: For glazed aluminum curtain walls, accessories, and components, from manufacturer. 1. Basis for Certification: Indicate whether withstand certification is based on actual test of assembled components or on calculation. I. Welding certificates. J. Energy Performance Certificates: For glazed aluminum curtain walls, accessories, and components, from manufacturer. 1. Basis for Certification: NFRC-certified energy performance values for each glazed aluminum curtain wall. K. Product Test Reports: Based on evaluation of comprehensive tests performed by a qualified preconstruction testing agency, for glazed aluminum curtain walls, indicating compliance with performance requirements. L. Field quality-control reports. M. Maintenance Data: For glazed aluminum curtain walls to include in maintenance manuals. N. Warranties: Sample of special warranties. 1.6 QUALITY ASSURANCE A. Manufacturer Qualifications: A manufacturer capable of fabricating glazed aluminum curtain walls that meet or exceed energy performance requirements indicated and of documenting this performance by certification, labeling, and inclusion in lists. B. Installer Qualifications: Manufacturer's authorized representative who is trained and approved for installation of units required for this Project. 1. Refer also to Specification Section 01 40 00 “Quality Requirements,” 1.3.H and I. 2. Installer's responsibilities include providing professional engineering services needed to assume engineering responsibility including preparation of data for aluminum-framed glazed curtain walls, including Shop Drawings and Designated-Design Submittal, based on testing and engineering analysis of manufacturer's standard units in assemblies similar to those indicated for this Project. C. Preconstruction Testing Agency Qualifications: Qualified according to ISO/IEC 17025 and accredited by ICC-ES for preconstruction testing indicated. D. Testing Agency Qualifications: Qualified according to ASTM E 699 for testing indicated. MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 08 44 13 - CARMEL CITY CENTER Date 03.26.12 GLAZED ALUMINUM CURTAIN WALLS MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 E. Product Options: Information on Drawings and in Specifications establishes requirements for aesthetic effects and performance characteristics of assemblies. Aesthetic effects are indicated by dimensions, arrangements, alignment, and profiles of components and assemblies as they relate to sightlines, to one another, and to adjoining construction. 1. Do not revise intended aesthetic effects, as judged solely by Architect, except with Architect's approval. If revisions are proposed, submit comprehensive explanatory data to Architect for review. F. Welding Qualifications: Qualify procedures and personnel according to the following: 1. AWS D1.1, "Structural Welding Code - Steel." 2. AWS D1.2, "Structural Welding Code - Aluminum." G. Energy Performance Standards: Comply with NFRC for minimum standards of energy performance, materials, components, accessories, and fabrication. Comply with more stringent requirements if indicated. 1. Provide NFRC-certified glazed aluminum curtain walls with an attached label. H. Pre-installation Conference: Conduct conference at Project site. 1.7 PROJECT CONDITIONS A. Field Measurements: Verify actual locations of structural supports for glazed aluminum curtain walls by field measurements before fabrication and indicate measurements on Shop Drawings. 1.8 WARRANTY A. Special Assembly Warranty: Standard form in which Installer assumes satisfactory performance of total curtain wall system and agrees to repair or replace components of glazed aluminum curtain walls that do not comply with requirements or that fail in workmanship within specified warranty period., accept as noted in 1.9 B. 1. Failures include, but are not limited to, the following: a. Structural failures attributable to construction including, but not limited to, excessive deflection. b. Noise or vibration created by wind and thermal and structural movements. c. Water penetration through fixed glazing and framing areas. d. Failure of operating components due to installation. 2. Warranty Period: One year from date of Substantial Completion. B. Special Materials Warranty: Standard form in which manufacturer agrees to repair defective components for reinstallation or replace defective components of glazed aluminum curtain walls that do not comply with requirements and that fail in material performance within specified warranty period. 1. Failures include, but are not limited to, the following: a. Structural failures including, but not limited to, excessive deflection. b. Noise or vibration created by wind and thermal and structural movements. c. Deterioration of metals, and other materials beyond normal weathering. d. Water penetration through fixed glazing and framing areas. e. Failure of operating components. 2. Warranty Period: Two years from date of Substantial Completion. MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 08 44 13 - CARMEL CITY CENTER Date 03.26.12 GLAZED ALUMINUM CURTAIN WALLS MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 C. Special Finish Warranty: Standard form in which manufacturer agrees to repair finishes or replace aluminum that shows evidence of deterioration of factory-applied finishes within specified warranty period. 1. Deterioration includes, but is not limited to, the following: a. Color fading more than 5 Hunter units when tested according to ASTM D 2244. b. Chalking in excess of a No. 8 rating when tested according to ASTM D 4214. c. Cracking, checking, peeling, or failure of paint to adhere to bare metal. 2. Warranty Period: Five years from date of Substantial Completion. PART 2 - PRODUCTS 2.1 MANUFACTURERS A. Manufacturers: Subject to compliance with requirements, provide products by one of the following: 1. EFCO Corporation. 2. Kawneer North America; an Alcoa company. 3. United States Aluminum. 4. YKK AP America Inc. 5. Vista Wall Architectural Products. 2.2 MATERIALS A. Aluminum: Alloy and temper recommended by manufacturer for type of use and finish indicated. 1. Sheet and Plate: ASTM B 209. 2. Extruded Bars, Rods, Profiles, and Tubes: ASTM B 221 6063-T6. 3. Extruded Structural Pipe and Tubes: ASTM B 429. 4. Structural Profiles: ASTM B 308. 5. Welding Rods and Bare Electrodes: AWS A5.10. B. Steel Reinforcement: Manufacturer's standard zinc-rich, corrosion-resistant primer complying with SSPC-PS Guide No. 12.00; applied immediately after surface preparation and pretreatment. Select surface preparation methods according to recommendations in SSPC- SP COM and prepare surfaces according to applicable SSPC standard. 1. Structural Shapes, Plates, and Bars: ASTM A 36. 2. Cold-Rolled Sheet and Strip: ASTM A 1008. 3. Hot-Rolled Sheet and Strip: ASTM A 1011. 2.3 FRAMING A. Framing Members: Manufacturer's standard extruded- or formed-aluminum framing members of thickness required and reinforced as required to support imposed loads. 1. Construction: Thermally broken, unless otherwise noted in drawings. 2. Glazing System: Retained mechanically with gaskets on four sides. 3. Glazing Plane: Front. MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 08 44 13 - CARMEL CITY CENTER Date 03.26.12 GLAZED ALUMINUM CURTAIN WALLS MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 B. Brackets and Reinforcements: Manufacturer's standard high-strength aluminum with non- staining, nonferrous shims for aligning system components. C. Fasteners and Accessories: Manufacturer's standard corrosion-resistant, non-staining, non- bleeding fasteners and accessories compatible with adjacent materials. 1. Use self-locking devices where fasteners are subject to loosening or turning out from thermal and structural movements, wind loads, or vibration. 2. Reinforce members as required to receive fastener threads. 3. Use exposed fasteners with countersunk Phillips screw heads, finished to match framing system. D. Anchors: Three-way adjustable anchors with minimum adjustment of 1 inch that accommodate fabrication and installation tolerances in material and finish compatible with adjoining materials and recommended by manufacturer. 1. Concrete and Masonry Inserts: Hot-dip galvanized cast-iron, malleable-iron, or steel inserts complying with ASTM A 123 or ASTM A 153 requirements. E. Concealed Flashing: Manufacturer's standard corrosion-resistant, non-staining, non-bleeding flashing compatible with adjacent materials. F. Framing Sealants: Manufacturer's standard sealants. 2.4 ENTRANCES A. Entrances: Comply with Specification Section 08 41 13 “Aluminum-Framed Entrances and Storefronts.” 2.5 GLAZING A. Glazing: Comply with Division 08 Section "Glazing." B. Glazing Gaskets: Manufacturer's standard sealed-corner pressure-glazing system of resilient glazing gaskets, setting blocks, and shims or spacers. Also comply with Division 08 Section "Glazing." C. Glazing Sealants: As recommended by manufacturer. Also comply with Division 08 Section "Glazing." 1. Provide sealants for use inside of the weatherproofing system that have a VOC content of 250 g/L or less when calculated according to 40 CFR 59, Subpart D (EPA Method 24). 2.6 ACCESSORY MATERIALS A. Bituminous Paint: Cold-applied asphalt-mastic paint complying with SSPC-Paint 12 requirements except containing no asbestos, formulated for 30-mil thickness per coat. 2.7 FABRICATION A. Form or extrude aluminum shapes before finishing. MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 08 44 13 - CARMEL CITY CENTER Date 03.26.12 GLAZED ALUMINUM CURTAIN WALLS MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 B. Weld in concealed locations to greatest extent possible to minimize distortion or discoloration of finish. Remove weld spatter and welding oxides from exposed surfaces by de-scaling or grinding. C. Fabricate components that, when assembled, have the following characteristics: 1. Profiles that are sharp, straight, and free of defects or deformations. 2. Accurately fitted joints with ends coped or mitered. 3. Physical and thermal isolation of glazing from framing members. 4. Accommodations for thermal and mechanical movements of glazing and framing to maintain required glazing edge clearances. 5. Provisions for field replacement of glazing from exterior. 6. Fasteners, anchors, and connection devices that are concealed from view to greatest extent possible. 7. Components curved to indicated radii. D. Fabricate components that, when assembled, have the following characteristics: 1. Internal guttering system or other means to drain water passing joints, condensation occurring within framing members, and moisture migrating within glazed aluminum curtain wall to exterior. 2. Pressure-equalized system or double barrier design with primary air and vapor barrier at interior side of glazed aluminum curtain wall and secondary seal weeped and vented to exterior. E. Curtain-Wall Framing: Fabricate components for assembly using shear-block system. F. Factory-Assembled Frame Units: 1. Rigidly secure non-movement joints. 2. Seal joints watertight unless otherwise indicated. 3. Install glazing to comply with requirements in Division 08 Section "Glazing." G. After fabrication, clearly mark components to identify their locations in Project according to Shop Drawings. 2.8 ALUMINUM FINISHES A. Clear Anodic Finish: AAMA 611, AA-M12C22A41, Class I, 0.018 mm or thicker. B. Color Anodic Finish: AAMA 611, AA-M12C22A42/A44, Class I, 0.018 mm or thicker. 1. Color: As selected by Architect from full range of industry colors and color densities. C. High-Performance Organic Finish: Three-coat fluoropolymer finish complying with AAMA 2605 and containing not less than 70 percent PVDF resin by weight in both color coat and clear topcoat. Prepare, pre-treat, and apply coating to exposed metal surfaces to comply with coating and resin manufacturers' written instructions. 1. Color and Gloss: As selected by Architect from manufacturer's full range. MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 08 44 13 - CARMEL CITY CENTER Date 03.26.12 GLAZED ALUMINUM CURTAIN WALLS MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 PART 3 - EXECUTION 3.1 EXAMINATION A. Examine areas, with Installer present, for compliance with requirements for installation tolerances and other conditions affecting performance of the Work. B. Proceed with installation only after unsatisfactory conditions have been corrected. 3.2 INSTALLATION A. General: 1. Comply with manufacturer's written instructions. 2. Do not install damaged components. 3. Fit joints to produce hairline joints free of burrs and distortion. 4. Rigidly secure non-movement joints. 5. Install anchors with separators and isolators to prevent metal corrosion and electrolytic deterioration and to prevent impeding movement of moving joints. 6. Weld components in concealed locations to minimize distortion or discoloration of finish. Protect glazing surfaces from welding. 7. Seal joints watertight unless otherwise indicated. B. Metal Protection: 1. Where aluminum will contact dissimilar metals, protect against galvanic action by painting contact surfaces with primer or by applying sealant or tape or installing nonconductive spacers as recommended by manufacturer for this purpose. 2. Where aluminum will contact concrete or masonry, protect against corrosion by painting contact surfaces with bituminous paint. C. Install components to drain water passing joints, condensation occurring within framing members, and moisture migrating within glazed aluminum curtain wall to exterior. D. Install components plumb and true in alignment with established lines and grades. E. Install operable units level and plumb, securely anchored, and without distortion. Adjust weather-stripping contact and hardware movement to produce proper operation. F. Install glazing as specified in Division 08 Section "Glazing." 3.3 ERECTION TOLERANCES A. Erection Tolerances: Install glazed aluminum curtain walls to comply with the following maximum tolerances: 1. Plumb: 1/8 inch in 10 feet; 1/4 inch in 40 feet. 2. Level: 1/8 inch in 20 feet; 1/4 inch in 40 feet. 3. Alignment: a. Where surfaces abut in line or are separated by reveal or protruding element up to 1/2 inch wide, limit offset from true alignment to 1/16 inch. MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 08 44 13 - CARMEL CITY CENTER Date 03.26.12 GLAZED ALUMINUM CURTAIN WALLS MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101 b. Where surfaces are separated by reveal or protruding element from 1/2 to 1 inch wide, limit offset from true alignment to 1/8 inch. c. Where surfaces are separated by reveal or protruding element of 1 inch wide or more, limit offset from true alignment to 1/4 inch. 4. Location: Limit variation from plane to 1/8 inch in 12 feet; 1/2 inch over total length. 3.4 FIELD QUALITY CONTROL A. Testing Agency: Engage a qualified testing agency to perform tests and inspections. B. Testing Services: Testing and inspecting of representative areas of glazed aluminum curtain walls shall take place as installation proceeds to determine compliance of installed assemblies with specified requirements. 1. Air Infiltration: Areas shall be tested for air leakage of 1.5 times the rate specified for laboratory testing in "Performance Requirements" Article, but not more than 0.50 cfm/sq. ft., of fixed wall area when tested according to ASTM E 783 at a minimum static-air- pressure differential of 1.57 lbf/sq. ft. a. Test Area: One bay wide, but not less than 30 feet, by one story of glazed aluminum curtain wall. b. Perform a minimum of two tests in areas as directed by Architect. c. Perform tests in each test area as directed by Architect. 2. Water Penetration: Areas shall be tested according to ASTM E 1105 at a minimum uniform static-air-pressure differential of 0.67 times the static-air-pressure differential specified for laboratory testing in "Performance Requirements" Article, but not less than 6.24 lbf/sq. ft., and shall not evidence water penetration. a. Test Area: One bay wide, but not less than 30 feet, by one story of glazed aluminum curtain wall. b. Perform a minimum of two tests in areas as directed by Architect. c. Perform tests in each test area as directed by Architect. C. Glazed aluminum curtain walls will be considered defective if they do not pass tests and inspections. D. Prepare test and inspection reports. END OF SECTION 08 44 13