METAL BUILDING SYSTEMS PART 1

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1. Circular-Revolving Type: Minimum 20-inch- diameter throat opening; finished tomatch metal roof panels; with matching base and rain cap.a. Type: [Directional] [Stationary] revolving.b. Bird Screening: Galvanized steel or aluminum.c. Dampers: Spring-loaded, butterfly type; pull-chain operation; with pullchain of length required to reach within 36 inches of floor.2. Continuous or Sectional-Ridge Type: Factory-engineered and -fabricated,continuous unit; fabricated from 0.022-inch nominal-thickness, metallic-coatedsteel sheet or aluminum-zinc alloy-coated steel sheet prepainted with coilcoating; finished to match metal roof panels. Fabricated in minimum 10-footlongsections. Provide throat size and total length indicated, complete with sidebaffles, ventilator assembly, end caps, splice plates, and reinforcing diaphragms.a. Bird Screening: Galvanized steel or aluminum.b. Dampers: Manually operated, spring-loaded, vertically rising type; chainand worm gear operator; with pull chain of length required to reach within36 inches of floor.c. Throat Size: 9 or 12 inches, as standard with manufacturer, and asrequired to comply with ventilation requirements.H. Roof Curbs: Fabricated from minimum 0.052-inch nominal-thickness, metallic-coatedsteel sheet or aluminum-zinc alloy-coated steel sheet prepainted with coil coating;finished to match metal roof panels; capable of withstanding loads of size and heightindicated.I. Pipe Flashing: Premolded, EPDM pipe collar with flexible aluminum ring bonded tobase.2.11 SOURCE QUALITY CONTROLA. Testing Agency: Owner will engage a qualified testing agency to evaluate product.B. Special Inspector: Owner will engage a qualified special inspector to perform thefollowing tests and inspections and to submit reports. Special inspector will verify thatmanufacturer maintains detailed fabrication and quality-control procedures and willreview the completeness and adequacy of those procedures to perform the Work.1. Special inspections will not be required if fabrication is performed bymanufacturer registered and approved by authorities having jurisdiction toperform such Work without special inspection.a. After fabrication, submit copy of certificate of compliance to authoritieshaving jurisdiction, certifying that Work was performed according toContract requirements.C. Testing: Test and inspect shop connections for metal buildings according to thefollowing:VER: 02/11133419-10METAL BUILDING SYSTEMS
1. Bolted Connections: Shop-bolted connections shall be inspected according toRCSC's "Specification for Structural Joints Using ASTM A 325 or A 490 Bolts."2. Welded Connections: In addition to visual inspection, shop-welded connectionsshall be tested and inspected according to AWS D1.1/D1.1M and the followinginspection procedures, at inspector's option:a. Liquid Penetrant Inspection: ASTM E 165.b. Magnetic Particle Inspection: ASTM E 709; performed on root pass and onfinished weld. Cracks or zones of incomplete fusion or penetration will notbe accepted.c. Ultrasonic Inspection: ASTM E 164.d. Radiographic Inspection: ASTM E 94.D. Product will be considered defective if it does not pass tests and inspections.E. Prepare test and inspection reports.2.12 FABRICATIONA. General: Design components and field connections required for erection to permiteasy assembly.1. Mark each piece and part of the assembly to correspond with previouslyprepared erection drawings, diagrams, and instruction manuals.2. Fabricate structural framing to produce clean, smooth cuts and bends. Punchholes of proper size, shape, and location. Members shall be free of cracks,tears, and ruptures.B. Tolerances: Comply with MBMA's "Metal Building Systems Manual" for fabrication anderection tolerances.C. Primary Framing: Shop fabricate framing components to size and section, withbaseplates, bearing plates, stiffeners, and other items required for erection welded intoplace. Cut, form, punch, drill, and weld framing for bolted field assembly.D. Secondary Framing: Shop fabricate framing components to size and section by rollformingor break-forming, with baseplates, bearing plates, stiffeners, and other platesrequired for erection welded into place. Cut, form, punch, drill, and weld secondaryframing for bolted field connections to primary framing.E. Metal Panels: Fabricate and finish metal panels at the factory to greatest extentpossible, by manufacturer's standard procedures and processes, as necessary to fulfillindicated performance requirements. Comply with indicated profiles and withdimensional and structural requirements.VER: 02/11133419-11METAL BUILDING SYSTEMS
Page 1 and 2: SECTION 133419 - METAL BUILDING SYS
Page 3 and 4: E. Cold-Formed Steel: Comply with A
Page 5 and 6: 4. Metal panel assemblies shall wit
Page 7: 3. Panel Coverage: 36 inches.4. Pan
Page 12 and 13: PART 3 - EXECUTION3.1 ERECTION OF S
Page 14 and 15: 4. Locate and space fastenings in u
Page 17: a. Thermal Spacer Blocks: Where met
Page 20: END OF SECTION 133419VER: 02/111334

METAL BUILDING SYSTEMS PART 1

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