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Louis Armstrong New Orleans International Airport NOAB Project # North Terminal Development Program Phase 1 - PDF Free Download
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1 Louis Armstrong New Orleans International Airport NOAB Project # PART 1 - GENERAL SECTION MANUFACTURED ROOF EXPANSION JOINTS 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including NOAB General Provisions and Division 01 Specification Sections, apply to this Section. 1.2 SUMMARY A. Section Includes: 1. Bellows-type roof expansion joints. B. Related Requirements: 1. Section "Rough Carpentry" for wooden curbs or cants for mounting roof expansion joints. 2. Section "Polyvinyl-Chloride (PVC) Roofing" for roofing system and flat roof expansion joint. 3. Section "Sheet Metal Flashing and Trim" for shop- and field-fabricated sheet metal expansion-joint systems, flashing, and other sheet metal items. 4. Section "Roof Accessories" for manufactured and prefabricated metal roof curbs. 5. Section "Expansion Control" for interior, and exterior expansion joints, and parking garage expansion control systems, expansion joints in metal panels, and bellows-type expansion joint associated with fixed passenger bridge walls and floor. (ADD #11) 1.3 REFERENCES A. Abbreviations and Acronyms: 1. ASTM: ASTM International. 2. UL: Underwriters Laboratories Inc. B. Reference Standards: The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only. 1. ASTM A 653: Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy- Coated (Galvannealed) by the Hot-Dip Process. 2. ASTM D 1187: Specification for Asphalt-Base Emulsions for Use as Protective Coatings for Metal. 3. ASTM D 2000: Classification System for Rubber Products in Automotive Applications. 4. ASTM D 4434: Specification for Poly (Vinyl Chloride) Sheet Roofing. 5. ASTM E 1966: Test Method for Fire-Resistive Joint Systems. 6. UL 2079: Tests for Fire Resistance of Building Joint Systems (ANSI). 1.4 PRE-INSTALLATION MEETINGS A. Pre-Installation Conference: Conduct conference at Project site. Construction Documents Manufactured Roof Expansion Joints Page 1 of 6
2 NOAB Project # Louis Armstrong New Orleans International Airport 1. Review and finalize construction schedule and verify availability of materials, Installer's personnel, equipment, and facilities needed to make progress and avoid delays. 2. Review required submittals, submittal schedule, and status of submittal review. 3. Review performance requirements. 4. Review methods and procedures related to bellows-type roof expansion control systems installation, including manufacturer's written instructions. 5. Examine support conditions for compliance with requirements, including alignment between and attachment to structural members. 6. Review temporary protection requirements for bellows-type roof expansion control systems during and after installation. 7. Review procedures for repair of bellows-type roof expansion control systems damaged after installation. 8. Document proceedings, including corrective measures and actions required, and furnish copy of record to each participant. 1.5 ACTION SUBMITTALS A. Product Data: For each type of product. B. Shop Drawings: For roof expansion joints. 1. Include plans, elevations, sections, and attachment details. 2. Include details of splices, intersections, transitions, fittings, method of field assembly, and location and size of each field splice. 3. Provide isometric drawings of intersections, terminations, and changes in joint direction or planes, depicting how components interconnect with each other and adjacent construction to allow movement and achieve waterproof continuity. C. Samples: For each exposed product and for each color specified, 6 inches in size. 1.6 INFORMATIONAL SUBMITTALS A. Qualification Data: For Installer. B. Product Test Reports: For each fire-barrier provided as part of a roof-expansion-joint assembly, for tests performed by manufacturer and witnessed by a qualified testing agency or performed by a qualified testing agency. C. Sample Warranties: For special warranties. D. Meeting Records: Minutes of pre-installation conference. 1.7 QUALITY ASSURANCE A. Installer Qualifications: Installer of roofing membrane. 1.8 WARRANTY A. General Warranty: Special warranty specified in this Article shall not deprive Owner of other rights Owner may have under other provisions of the Contract Documents and shall be in addition to, and run concurrent with, other warranties made by Contractor under requirements of the Contract Documents Page 2 of 6 Manufactured Roof Expansion Joints Construction Documents
3 Louis Armstrong New Orleans International Airport NOAB Project # B. Special Warranty: Manufacturer and Installer agree to repair or replace roof expansion joints and components that leak, deteriorate beyond normal weathering, or otherwise fail in materials or workmanship within specified warranty period. 1. Warranty Period: 20 years from date of Substantial Completion, to match roofing system warranty. PART 2 - PRODUCTS 2.1 PERFORMANCE REQUIREMENTS A. General: Roof expansion joints shall withstand exposure to weather, remain watertight, and resist the movements indicated without failure, rattling, leaking, or fastener disengagement due to defective manufacture, fabrication, installation, or other defects in construction. B. Thermal Movements: Allow for thermal movements from ambient and surface temperature changes to prevent buckling, opening of joints, hole elongation, overstressing of components, failure of joint seals, failure of connections, and other detrimental effects. 1. Temperature Change: 120 deg F, ambient; 180 deg F, material surfaces. C. Fire-Test-Response Characteristics: Provide fire-barrier assemblies with fire-test-response characteristics as determined by testing identical products, per test method indicated, by UL or another testing agency acceptable to authorities having jurisdiction. Assemblies shall be capable of anticipated movement while maintaining fire rating. Fire-barrier products shall bear classification marking of qualified testing agency. 2.2 BELLOWS-TYPE ROOF EXPANSION JOINTS A. Source Limitations: Obtain bellows-type roof expansion joints approved by roofing manufacturer and that are part of roofing membrane warranty. B. Flanged Bellows Roof Expansion Joint; Roof to Wall: (ADD #11) Manufactured, continuous, waterproof, joint-cover assembly, consisting of exposed membrane bellows, laminated to flexible, closed-cell support foam, and secured along each edge to a 3- to 4-inch-wide metal flange for nailing to substrate. Provide each size and type indicated, factory-fabricated units for corner and joint intersections and horizontal and vertical transitions including those to other building expansion joints, splicing units, adhesives, and other components as recommended by roof-expansion-joint manufacturer for complete installation. Fabricate each assembly specifically for installation configuration indicated on Drawings. 1. Basis-of-Design: Subject to compliance with requirements, provide "BRJW-400 WC W/SSF-400 & RFX-4F", as manufactured by Construction Specialties, Inc., or a comparable product by one of the other named manufacturer. a. Balco, Inc. b. MM Systems Corporation. c. Watson Bowman Acme Corp. d. Johns Manville. (ADD #11) 2. Joint Movement Capability: Plus and minus 50 percent of joint size. 3. Bellows: PVC flexible membrane, nominal 60 mils thick. a. Color: Gray to match roof membrane. Construction Documents Manufactured Roof Expansion Joints Page 3 of 6
4 NOAB Project # Louis Armstrong New Orleans International Airport 4. Flanges: Galvanized steel, inch thick. a. Form: Formed to fit curbs as indicated on Drawings. 5. Cover Membrane: PVC flexible membrane, factory laminated to bellows and covering entire joint assembly and curbs. a. Color: Gray to match roof membrane. 6. Secondary Seal: Continuous, waterproof membrane within joint and attached to substrate on sides of joint below the primary bellows assembly. 7. Fire Barrier: Manufacturer's standard fire-resistive joint system with ratings determined per ASTM E 1966 or UL 2079 to resist spread of fire and to accommodate building thermal and seismic movements without impairing its ability to resist the passage of fire and hot gases. 8. Fire-Resistance Rating: Not less than fire-resistance rating of the roof assembly. 9. Locations: As detailed, 4/NT AT 3602, and 5/UP A Detail references are provided for Contractors convenience and may not be all inclusive. Provide expansion joint covers as indicated on Drawings. (ADD #11) C. Flanged Bellows Roof Expansion Joint; Roof to Roof: Manufactured, continuous, waterproof, joint-cover assembly, consisting of exposed membrane bellows, laminated to flexible, closedcell support foam, and secured along each edge to a 3- to inch-wide rigid PVC flange for nailing to substrate. Provide each size and type indicated, factory-fabricated units for corner and joint intersections and horizontal and vertical transitions including those to other building expansion joints, splicing units, adhesives, and other components as recommended by roofexpansion-joint manufacturer for complete installation. Fabricate each assembly specifically for installation configuration indicated on Drawings. 1. Basis-of-Design: Subject to compliance with requirements, provide "Expand-O-Flash Expansion Joint Cover, PVC EJ", as manufactured by Johns Manville, or a comparable product by one of the other named manufacturer. a. Construction Specialties, Inc b. Balco, Inc. c. MM Systems Corporation. d. Watson Bowman Acme Corp. 2. Joint Movement Capability: Plus and minus 50 percent of joint size. 3. Bellows: PVC flexible membrane, nominal 60 mils thick. a. Color: As selected by Architect from manufacturer s full range. 4. Flanges: PVC rigid membrane, nominal 60 mils thick. a. Color: As selected by Architect from manufacturer s full range. b. Form: Formed to fit curbs as indicated on Drawings. 5. Cover Membrane: PVC flexible membrane, factory laminated to bellows and covering entire joint assembly and curbs. a. Color: As selected by Architect from manufacturer s full range. 6. Secondary Seal: Continuous, waterproof membrane within joint and attached to substrate on sides of joint below the primary bellows assembly Page 4 of 6 Manufactured Roof Expansion Joints Construction Documents
5 Louis Armstrong New Orleans International Airport NOAB Project # Locations: As detailed, 12/NT AC Detail references are provided for Contractors convenience and may not be all inclusive. Provide expansion joint covers as indicated on Drawings. (ADD #11) 2.3 MATERIALS A. Galvanized-Steel Sheet: ASTM A 653, hot-dip zinc-coating designation G90. B. PVC Membrane: ASTM D 4434, Type standard with manufacturer for application. C. Silicone Extrusions: ASTM D 2000, UV stabilized, and that does not propagate flame. D. Adhesives: As recommended by roof-expansion-joint manufacturer. E. Fasteners: Manufacturer's recommended fasteners, suitable for application and designed to withstand design loads. 1. Exposed Fasteners: Gasketed. Use screws with hex washer heads matching color of material being fastened. F. Bituminous Coating: Cold-applied asphalt emulsion complying with ASTM D PART 3 - EXECUTION 3.1 EXAMINATION A. Examine substrates, areas, and conditions, with Installer present, to verify actual locations, dimensions, and other conditions affecting performance of the Work. B. Examine roof-joint openings, inside surfaces of parapets, and expansion-control joint systems that interface with roof expansion joints, for suitable conditions where roof expansion joints will be installed. C. Verify that substrate is sound, dry, smooth, clean, sloped for drainage, and securely anchored. D. Proceed with installation only after unsatisfactory conditions have been corrected. 3.2 INSTALLATION A. General: Comply with manufacturer's written instructions for handling and installing roof expansion joints. 1. Anchor roof expansion joints securely in place, with provisions for required movement. Use fasteners, protective coatings, sealants, and miscellaneous items as required to complete roof expansion joints. 2. Install roof expansion joints true to line and elevation; with limited oil-canning and without warping, jogs in alignment, buckling, or tool marks. 3. Provide for linear thermal expansion of roof expansion joint materials. 4. Provide uniform profile of roof expansion joint throughout its length; do not stretch or squeeze membranes. 5. Provide uniform, neat seams. 6. Install roof expansion joints to fit substrates and to result in watertight performance. 7. Torch cutting of roof expansion joints is not permitted. 8. Do not use graphite pencils to mark aluminum surfaces. Construction Documents Manufactured Roof Expansion Joints Page 5 of 6
6 NOAB Project # Louis Armstrong New Orleans International Airport B. Directional Changes and Other Expansion-Control Joint Systems: Coordinate installation of roof expansion joints with other expansion-control joint systems to result in watertight performance. Install factory-fabricated units at directional changes and at transitions between roof expansion joints and exterior expansion-control joint systems specified in Section "Expansion Control" to provide continuous, uninterrupted, and watertight joints. C. Splices: Splice roof expansion joints with materials provided by roof-expansion-joint manufacturer for this purpose, to provide continuous, uninterrupted, and waterproof joints. 1. Install waterproof splices and prefabricated end dams to prevent leakage of secondary-seal membrane. D. Fire Barrier: Install fire barrier where indicated to provide continuous, uninterrupted fire resistance throughout length of roof expansion joint, including transitions and end joints. E. Metal Protection: Protect metals against galvanic action by separating dissimilar metals from contact with each other or with corrosive substrates by painting contact surfaces with bituminous coating or by other permanent separation as recommended by manufacturer. 3.3 PROTECTION A. Protect roof expansion joints from foot traffic, displacement, or other damage. B. Remove and replace roof expansion joints and components that become damaged by moisture or otherwise. END OF SECTION Page 6 of 6 Manufactured Roof Expansion Joints Construction Documents
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