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HomeMy WebLinkAbout05 73 10 Metal Balcony With Decorative Metal RailingsTHE KENT 05 73 10 - THE KENT Issue Date 05.09.18 METAL BALCONY WITH DECORATIVE METAL RAILINGS THE KENT SECTION 05 73 10 – METAL BALCONY WITH DECORATIVE METAL RAILINGS 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: 1. Balcony assembly with: a. Structural steel platform with stainless steel hanger rods. b. Composite plank – floor decking. c. Decorative metal railings. B. Related Requirements: 1. Section 06 10 00 "Rough Carpentry" for wood blocking and framing. 2. Section 06 73 00 “Composite Decking” for composite deck boards. 1.3 DEFINITIONS A. Railings: Guards, handrails, and similar devices used for protection of occupants at open-sided floor areas and for pedestrian guidance and support, visual separation, or wall protection. B. Structural Steel: Elements of the structural frame indicated on Drawings and as described in AISC 303, “Code of Standard Practice for Steel Buildings and Bridges.” 1.4 COORDINATION AND SCHEDULING A. Coordinate selection of shop primers with topcoats to be applied over them. Comply with paint and coating manufacturers' written instructions to ensure that shop primers and topcoats are compatible. B. Coordinate installation of anchorages for railings. Furnish setting drawings, templates, and directions for installing anchorages. Deliver items to Project site in time for installation. C. Schedule installation so wall attachments are made only to completed walls. Do not support railings temporarily by any means that do not meet structural performance requirements. 1.5 PRE-INSTALLATION MEETINGS A. Pre-installation Conference: Conduct conference at Project site. THE KENT 05 73 10 - THE KENT Issue Date 05.09.18 METAL BALCONY WITH DECORATIVE METAL RAILINGS THE KENT 1.6 ACTION SUBMITTALS A. Product Data: For the following: 1. Manufacturer's product lines of railings assembled from standard components. 2. Grout, anchoring cement, and paint products. B. Shop Drawings: Include plans, elevations, sections, and attachment details. C. Samples for Initial Selection: For products involving selection of color, texture, or design, including mechanical finishes. D. Samples for Verification: For each type of exposed finish required. 1. Sections of each distinctly different linear railing member, including handrails, top rails, posts, and balusters. 2. Fittings and brackets. 3. Welded connections. 4. Brazed connections. 5. Assembled Samples of railing systems, made from full-size components, including top rail, post, handrail, and infill. Show method of finishing members at intersections. Samples need not be full height. E. Delegated – Design Submittal: For structural steel connections indicated to comply with design loads, include analysis data signed and sealed by the qualified professional engineer responsible for their preparation. 1.7 INFORMATIONAL SUBMITTALS A. Qualification Data: For professional engineer and testing agency. B. Welding certificates. C. Product Test Reports: Based on evaluation of comprehensive tests performed by a qualified testing agency, according to ASTM E 894 and ASTM E 935. D. Preconstruction test reports. E. Evaluation Reports: For post-installed anchors, from ICC-ES. F. Field quality – control reports. 1.8 QUALITY ASSURANCE A. Fabricator’s Qualifications: 1. Structural Steel: A qualified fabricator that participates in the AISC Quality Certification Program and is designated an AISC – Certified Plant, Category STD, or is accredited by the IAS Fabricator Inspection Program for Structural Steel (AC 172). 2. Refer also to Specification Section 01 40 00 “Quality Requirements.” B. Welding Qualifications: Qualify procedures and personnel according to the following: 1. AWS D1.1, "Structural Welding Code - Steel." THE KENT 05 73 10 - THE KENT Issue Date 05.09.18 METAL BALCONY WITH DECORATIVE METAL RAILINGS THE KENT 2. AWS D1.6, “Structural Welding Code – Stainless Steel.” C. Mockups: Build mockups, if requested in writing by Architect, to verify selections made under Sample submittals, to demonstrate aesthetic effects, and to set quality standards for fabrication and installation. 1. Build mockups as shown on Drawings. 2. Build mockups for each form and finish of railing consisting of two posts, top rail, infill area, and anchorage system components that are full height and are not less than 36 inches in length. 3. Subject to compliance with requirements, approved mockups may become part of the completed Work if undisturbed at time of Substantial Completion. 1.9 PRECONSTRUCTION TESTING A. Preconstruction Testing Service: Owner will engage a qualified testing agency to perform preconstruction testing on laboratory mockups. Payment for these services will be made by Contractor. Retesting of products that fail to meet specified requirements shall be done at Contractor's expense. 1. Build laboratory mockups at testing agency facility; use personnel, materials, and methods of construction that will be used at Project site. 2. Test railings according to ASTM E 894 and ASTM E 935. 3. Notify Architect seven days in advance of the dates and times when laboratory mockups will be tested. 1.10 FIELD CONDITIONS A. Field Measurements: Verify actual locations of walls and other construction contiguous with railings by field measurements before fabrication and indicate measurements on Shop Drawings. PART 2 - PRODUCTS 2.1 STRUCTURAL STEEL A. Refer to Specification Section 05 12 00 “Structural Steel Framing” and Specification Section 05 12 13 “Architectural Exposed Structural Steel.” 2.2 COMPOSITE PLANK DECKING A. Refer to Specification Section 06 73 00 “Composite Decking.” 2.3 DECORATIVE METAL RAILINGS A. Refer to Specification Section 05 73 00 “Decorative Metal Railings.” THE KENT 05 73 10 - THE KENT Issue Date 05.09.18 METAL BALCONY WITH DECORATIVE METAL RAILINGS THE KENT 2.4 PERFORMANCE REQUIREMENTS A. Refer to Performance Requirements subsections of Specification Sections 05 12 00, 05 33 13 and 05 73 00. 1. Roof Deck: Comply with calculated structural characteristics of steel deck according to AISI’s “North American Specification for the Design of Cold-Formed Steel Structural Members.” 2. Railing: Structural Performance: Shall withstand the effects of gravity loads and the following loads and stresses within limits and under conditions indicated: a. Handrails and Top Rails of Guards: 1) Uniform load of 50 lbf/ft. applied in any direction. 2) Concentrated load of 200 lbf applied in any direction. 3) Uniform and concentrated loads need not be assumed to act concurrently. b. Infill of Guards: 1) Concentrated load of 50 lbf applied horizontally on an area of 1 sq. ft. 2) Infill load and other loads need not be assumed to act concurrently. 2.5 FABRICATION A. General: Fabricate balcony assemblies to comply with requirements indicated for design, dimensions, member sizes and spacing, details, finish, and anchorage, but not less than that required to support structural loads. B. Assemble balcony sub-assemblies in the shop to greatest extent possible to minimize field splicing and assembly. Disassemble units only as necessary for shipping and handling limitations. Clearly mark units for reassembly and coordinated installation. Use connections that maintain structural value of joined pieces. C. Cut, drill, and punch metals cleanly and accurately. Remove burrs and ease edges to a radius of approximately 1/32 inch unless otherwise indicated. Remove sharp or rough areas on exposed surfaces. D. Form work true to line and level with accurate angles and surfaces. E. Fabricate connections that will be exposed to weather in a manner to exclude water. Provide weep holes where water may accumulate. Locate weep holes in inconspicuous locations. F. Cut, reinforce, drill, and tap as indicated to receive finish hardware, screws, and similar items. G. Connections: Refer to individual specification sections for connection requirements. H. Welded Connections: Refer to individual specification sections for welded connection requirements. I. Mechanical Connections: Refer to individual specification sections for mechanical connection requirements. J. Form changes in direction as follows: 1. As detailed. THE KENT 05 73 10 - THE KENT Issue Date 05.09.18 METAL BALCONY WITH DECORATIVE METAL RAILINGS THE KENT K. Bend members in jigs to produce uniform curvature for each configuration required; maintain cross section of member throughout entire bend without buckling, twisting, cracking, or otherwise deforming exposed surfaces of components. L. Close exposed ends of hollow railing members with prefabricated end fittings. 2.6 GENERAL FINISH REQUIREMENTS A. Comply with NAAMM's "Metal Finishes Manual for Architectural and Metal Products" recommendations for applying and designating finishes. B. Protect mechanical finishes on exposed surfaces from damage by applying a strippable, temporary protective covering before shipment. C. Appearance of Finished Work: Noticeable variations in same piece are not acceptable. Variations in appearance of abutting or adjacent pieces are acceptable if they are within one- half of the range of approved Samples. Variations in appearance of other components are acceptable if they are within the range of approved Samples and are assembled or installed to minimize contrast. D. Provide exposed fasteners with finish matching appearance, including color and texture, of railings. 2.7 STEEL AND IRON FINISHES A. Galvanized Railings: refer to Specification Sections 05 12 00, 05 33 13 and 05 73 00. PART 3 - EXECUTION 3.1 EXAMINATION A. Examine plaster and gypsum board assemblies, where reinforced to receive anchors, to verify that locations of concealed reinforcements have been clearly marked for Installer. Locate reinforcements and mark locations if not already done. 3.2 INSTALLATION DECORATIVE METAL RAILINGS, GENERAL A. Refer to Specification Section 05 73 00. 3.3 INSTALLATION STRUCTURAL STEEL FRAMING, GENERAL A. Refer to Specification Section 05 12 00. THE KENT 05 73 10 - THE KENT Issue Date 05.09.18 METAL BALCONY WITH DECORATIVE METAL RAILINGS THE KENT 3.4 INSTALLATION COMPOSITE PLANK DECKING A. Refer to Specification Section 06 73 00. 3.5 FIELD QUALITY CONTROL A. Testing Agency: Owner will engage a qualified testing agency to perform tests and inspections and to prepare test reports. Payment for these services will be made by Owner. B. Extent and Testing Methodology: Testing agency will randomly select completed assemblies for testing that are representative of designs and conditions in the completed Work. Test according to ASTM E 894 and ASTM E 935 for compliance with performance requirements. C. Remove and replace construction assemblies where test results indicate that they do not comply with specified requirements unless they can be repaired in a manner satisfactory to Architect and comply with specified requirements. D. Perform additional testing and inspecting, at Contractor's expense, to determine compliance of replaced or additional work with specified requirements. 3.6 CLEANING A. Touchup Painting: Cleaning and touchup painting of field welds, bolted connections, and abraded areas of shop paint are specified in Section 09 96 00 "High-Performance Coatings." Section 09 91 00 "Painting," and Section 09 97 01 "High-Performance Coatings-Aliphatic Polyurethane." B. Galvanized Surfaces: Clean field welds, bolted connections, and abraded areas and repair galvanizing to comply with ASTM A 780. 3.7 PROTECTION A. Protect finishes of balcony assemblies from damage during construction period with temporary protective coverings approved by railing manufacturer. Remove protective coverings at time of Substantial Completion. B. Restore finishes damaged during installation and construction period so no evidence remains of correction work. Return items that cannot be refinished in the field to the shop; make required alterations and refinish entire unit or provide new units. END OF SECTION 05 73 10