00017694 Specifications.docx

Building Cover for District 9 – Mosier, OR Secondary Containment Structure

SECTION 133419 - METAL BUILDING SYSTEMS

SECTION 133419 - METAL BUILDING SYSTEMS

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Pre-engineered, shop-fabricated structural steel building framing.

2. Metal roof panels.

3. Metal wall panels.

4. Accessories.

1.2 DESIGN REQUIREMENTS

A. Design members to withstand applied loads in accordance with the current adopted Oregon Structural Specialty Code and as noted on the Drawings.

B. Design of Building shall be prepared by a professional engineer licensed in the State of Oregon. Drawings and calculations shall be sealed by the design engineer.

C. Configuration of building, frames, columns, bracing and dimensions shall be as shown on the Drawings.

D. Permit movement of components without buckling, failure of joint seals, undue stress on fasteners or other detrimental effects, when subject to temperature range of 130 degrees F.

E. Size and fabricate wall and roof systems free of distortion or defects detrimental to appearance or performance.

1.3 ACTION SUBMITTALS

A. Product Data: For each type of metal building system component.

B. Approval Drawings: Include building plan, anchor plan, elevations, and sections necessary to demonstrate compliance with the contract documents.

1. Approval drawings must be approved by CPM prior to creation of shop drawings.

C. Shop Drawings: Indicate components by others. Include full building plan, elevations, sections, details and attachments to other work.

1. Include assembly dimensions, locations of structural members, connections, attachments, openings, wall and roof system dimensions, panel layout, assembly details, general construction details, anchorage and method of anchorage, framing anchor bolt settings, sizes, locations, elevations from datum, welded connections with AWS welding symbols.

2. Approval of shop drawings must be approved by CPM prior to completion of final building construction drawings.

D. Erection Drawings: Indicate members by label, assembly sequence, temporary erection bracing, and other information required by erection contractor.

1. Include manufacturer's instructions, preparation requirements, handling requirements and special instructions.

E. Delegated Design Submittals: For metal building systems.

1. Include structural calculations indicating compliance with performance requirements and design criteria signed and sealed by the qualified professional engineer responsible for their preparation.

2. Include final building construction drawings including full building plan, elevations, sections, details and attachments to other work signed and sealed by the qualified professional engineer responsible for their preparation.

a. Show all design loads as required by code and as specified in the Project Construction Documents.

b. Clearly show reactions from building on foundations including magnitude and direction. Provide a reaction summary table including each loading type and magnitude. In addition, provide maximum and minimum reactions determined by load combinations identified in ASCE 7 for each direction of loading at each column.

c. Include all information required by Authority Having Jurisdiction for plan review.

3. All final engineering deliverables shall be sealed by an engineer licensed to practice in the State of Oregon.

1.4 CLOSEOUT SUBMITTALS

A. Maintenance data.

1.5 QUALITY ASSURANCE

A. Manufacturer Qualifications: Manufacturer shall have a minimum of 5 years experience manufacturing buildings of equal or larger size to the Project building. Manufacturer shall meet all building code requirements for certification and compliance.

B. Design structural components and develop building drawings under direct supervision of a professional engineer experienced in design of this Work.

1. Design Engineer Qualifications: Licensed in the State of Oregon.

2. Conform to the Oregon Structural Specialty Code for submission of design calculations as required for acquiring permits.

3. Cooperate with regulatory agency or Authority Having Jurisdiction and provide data as requested.

C. Erector Qualifications: An experienced erector who specializes in erecting and installing work similar in material, design, and extent to that indicated for this Project and who is acceptable to manufacturer.

D. Welding Qualifications: Qualify procedures and personnel according to the following:

1. AWS D1.1/D1.1M, "Structural Welding Code - Steel."

2. AWS D1.3, "Structural Welding Code - Sheet Steel."

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Pre-Engineered Metal Buildings:

1. Behlen Building Systems.

2. Butler Manufacturing Company.

3. Metallic Building Co.

4. Nucor Building Systems.

5. Pacific Building Systems.

6. Star Buildings.

7. VP Buildings.

8. Web Steel Buildings.

9. Alternates as approved.

2.2 PERFORMANCE REQUIREMENTS

A. Structural Performance: Metal building systems to withstand the effects of gravity loads and the following loads and stresses within limits and under conditions indicated according to procedures in MBMA's "Metal Building Systems Manual."

1. Design Loads: As indicated on Drawings .

2. Deflection and Drift Limits:

a. Design metal building system assemblies to withstand serviceability design loads without exceeding deflections and drift limits recommended in AISC Steel Design Guide No. 3 "Serviceability Design Considerations for Steel Buildings."

b. No greater than the following:

1) Purlins and Rafters: Vertical deflection of 1/180 of the span.

2) Metal Roof Panels: Vertical deflection of 1/150 of the span.

3) Design secondary-framing system to accommodate deflection of primary framing and construction tolerances, and to maintain clearances at openings.

B. Thermal Movements: Allow for thermal movements from ambient and surface temperature changes by preventing buckling, opening of joints, overstressing of components, failure of joint sealants, failure of connections, and other detrimental effects. Base calculations on surface temperatures of materials due to both solar heat gain and nighttime-sky heat loss.

1. Temperature Change: 120 deg F , ambient; 180 deg F , material surfaces .

C. Water Penetration for Metal Roof Panels: No water penetration when tested according to ASTM E1646 at the following test-pressure difference:

1. Test-Pressure Difference: 2.86 lbf/sq. ft. .

D. Wind-Uplift Resistance: Provide metal roof panel assemblies that comply with UL 580 for wind-uplift-resistance class indicated.

1. Uplift Rating: UL 90.

2.3 STRUCTURAL-STEEL FRAMING

A. Structural Steel: Comply with AISC 360, "Specification for Structural Steel Buildings."

B. Bolted Connections: Comply with RCSC's "Specification for Structural Joints Using High-Strength Bolts."

C. Cold-Formed Steel: Comply with AISI's "North American Specification for the Design of Cold-Formed Steel Structural Members" for design requirements and allowable stresses.

D. Primary Framing: Manufacturer's standard primary-framing system, designed to withstand required loads and specified requirements. Primary framing includes transverse and lean-to frames; rafters and rake beams; sidewall, intermediate, end-wall, and corner columns; and wind bracing.

1. General: Provide frames with attachment plates, bearing plates, and splice members. Factory drill for field-bolted assembly. Provide frame span and spacing indicated.

2. Frame Configuration: Single span rigid frame.

3. Welding Materials: Type required for materials being welded. All flange welds shall be continuous submerged arc fillet welds as made on an automatic beam welder. Other welds shall be made using gas metal-arc process with an argon mix shielding gas. Welds shall be made on both sides of flange.

a. Field welding is not permitted.

4. Clips are to be shop welded to outer flanges for field bolted attachment of secondary framing to the primary frames.

5. All structural connections shall be shop welded butt-plates which are punched or drilled for field bolted assembly.

6. Finish: All members shall be hot dip galvanized after fabrication.

E. Secondary Framing: Manufacturer's standard secondary framing, including purlins, girts, eave struts, flange bracing, base members, gable angles, clips, headers, jambs, and other miscellaneous structural members. Unless otherwise indicated, fabricate framing from either cold-formed, structural-steel sheet or roll-formed, to comply with the following:

1. Structural Steel Members: All material used for cold-formed members shall conform to ASTM A-570 Grade 55, with a minimum yield point of 55,000 psi. Minimum thickness is 16 gauge.

2. All light-gauge, cold-formed members shall be manufactured by precision roll or brake forming.

3. Zee shaped members used for purlins shall be 8” or greater depth as required for structural loads. Zees may be simple span or lapped for continuous design.

4. Space purlins as determined by structural load requirements. Provide all required structural bracing.

5. Cee shaped members used for base channels or girts shall be 8” when required.

6. Finish: Coating is ASTM A 653, G90 galvanizing. Painting is not allowed.

F. Fasteners: Bolts, Nuts, and Washers: ASTM A 325 or A 490.

1. Finish: All members shall be hot dip galvanized after fabrication.

G. Anchor Rods: Anchor rods as indicated in Anchor Rod Plan for attachment of metal building to foundation.

1. Size shall not be less than shown on foundation Drawings. If building manufacturer indicates larger anchor rods than foundation Drawings, use size shown by building manufacturer.

2. Frames and columns shall be secured to anchor rods.

3. Finish: All members shall be hot dip galvanized after fabrication.

2.4 METAL ROOF AND WALL PANELS

A. Exposed-Fastener, Tapered-Rib, Metal Roof Panels : Formed with raised, trapezoidal major ribs and intermediate stiffening ribs symmetrically spaced between major ribs; designed to be installed by lapping side edges of adjacent panels and mechanically attaching panels to supports using exposed fasteners in side laps.

1. Material: Zinc-coated (galvanized) or aluminum-zinc alloy-coated steel sheet, minimum 0.024-inch nominal uncoated steel thickness. Prepainted by the coil-coating process to comply with ASTM A755/A755M.

a. Exterior Finish: Three-coat fluoropolymer .

b. Exterior Finish: Dura Tech® 5000: Polyvinylidine Fluoride, full 70 percent Kynar 500® or Hylar 5000®, consisting of a baked-on 0.15-0.25 mil corrosion resistant primer and a baked-on 0.70-0.80 mil finish coat with a specular gloss of 8 to 15 when tested in accordance with ASTM D523 at 60 degrees.

c. Interior Finish: Panel manufacturer's standard polyester top coat, over recommended primer.

d. Exterior Color: As selected by CPM from manufacturer's standard colors .

e. Interior Color: Bright White.

2. Major-Rib Spacing: 12 inches o.c.

3. Panel Coverage: 36 inches .

4. Panel Height: 1.25 inches .

2.5 ACCESSORIES

A. General: Provide accessories as standard with metal building system manufacturer and as specified. Fabricate and finish accessories at the factory to greatest extent possible, by manufacturer's standard procedures and processes. Comply with indicated profiles and with dimensional and structural requirements.

1. Form exposed sheet metal accessories that are without excessive oil-canning, buckling, and tool marks and that are true to line and levels indicated, with exposed edges folded back to form hems.

B. Roof Panel Accessories: Provide components required for a complete metal roof panel assembly including copings, fasciae, corner units, ridge closures, clips, sealants, gaskets, fillers, closure strips, and similar items. Match material and finish of metal roof panels unless otherwise indicated.

C. Flashing and Trim: Material and finish is to match adjacent metal panels.

D. Exposed Fasteners: Long life color matched cast head with self-sealing neoprene washers.

2.6 FABRICATION

A. General: Design components and field connections required for erection to permit easy assembly.

1. Mark each piece and part of the assembly to correspond with previously prepared erection drawings, diagrams, and instruction manuals.

2. Fabricate structural framing to produce clean, smooth cuts and bends. Punch holes of proper size, shape, and location. Members to be free of cracks, tears, and ruptures.

B. Tolerances: Comply with MBMA's "Metal Building Systems Manual" for fabrication and erection tolerances.

C. Primary Framing: Shop fabricate framing components to indicated size and section, with baseplates, bearing plates, stiffeners, and other items required for erection welded into place. Cut, form, punch, drill, and weld framing for bolted field assembly.

D. Secondary Framing: Shop fabricate framing components to indicated size and section by roll forming or break forming, with baseplates, bearing plates, stiffeners, and other plates required for erection welded into place. Cut, form, punch, drill, and weld secondary framing for bolted field connections to primary framing.

E. Metal Panels: Fabricate and finish metal panels at the factory to greatest extent possible, by manufacturer's standard procedures and processes, as necessary to fulfill indicated performance requirements. Comply with indicated profiles and with dimensional and structural requirements.

1. Provide panel profile, including major ribs and intermediate stiffening ribs, if any, for full length of metal panel.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Verify that foundation and placed anchors are in correct position. Inspect prior Work by others and report any discrepancies affecting Work of this Section. Proceeding with erection constitutes acceptance of prior Work.

3.2 ERECTION OF STRUCTURAL FRAMING

A. Erect metal building system according to manufacturer's written instructions and drawings.

B. Do not field cut, drill, or alter structural members without written approval from metal building system manufacturer's professional engineer.

C. Set structural framing accurately in locations and to elevations indicated, according to AISC specifications referenced in this Section. Maintain structural stability of frame during erection.

D. Base and Bearing Plates: Clean concrete bearing surfaces of bond-reducing materials, and ensure uniform contact for full plate bearing.

1. Set plates for structural members on wedges, shims, or setting nuts as required.

2. Tighten anchor rods after supported members have been positioned and plumbed.

3. Promptly pack grout solidly between bearing surfaces and plates so no voids remain. Neatly finish exposed surfaces; protect grout and allow to cure. Comply with manufacturer's written installation instructions for shrinkage-resistant grouts.

E. Align and adjust structural framing before permanently fastening. Before assembly, clean bearing surfaces and other surfaces that will be in permanent contact with framing. Perform necessary adjustments to compensate for discrepancies in elevations and alignment.

1. Level and plumb individual members of structure.

F. Primary Framing and End Walls: Erect framing level, plumb, rigid, secure, and true to line. Level baseplates to a true even plane with full bearing to supporting structures, set with double-nutted anchor bolts. Use grout to obtain uniform bearing and to maintain level base line elevation.

1. Make field connections using high-strength bolts installed according to RCSC's "Specification for Structural Joints Using High-Strength Bolts" for bolt type and joint type specified.

a. Joint Type: Snug tightened or pretensioned as required by manufacturer.

b. Coordinate special inspection of high strength bolting.

G. Secondary Framing: Erect framing level, plumb, rigid, secure, and true to line. Field bolt secondary framing to clips attached to primary framing.

1. Provide rake or gable purlins with tight-fitting closure channels and fasciae.

H. Erection Tolerances: Maintain erection tolerances of structural framing within AISC 303.

3.3 METAL PANEL INSTALLATION, GENERAL

A. General: Anchor metal panels and other components of the Work securely in place, with provisions for thermal and structural movement.

1. Install metal panels perpendicular to structural supports unless otherwise indicated.

2. Flash and seal metal panels with weather closures at perimeter of openings and similar elements. Fasten with self-tapping screws.

3. Locate and space fastenings in uniform vertical and horizontal alignment.

4. Lap metal flashing over metal panels to allow moisture to run over and off the material.

B. Lap-Seam Metal Panels: Install screw fasteners using power tools with controlled torque adjusted to compress EPDM washers tightly without damage to washers, screw threads, or metal panels. Install screws in predrilled holes.

1. Do not end lap panels.

2. Arrange and nest side-lap joints so prevailing winds blow over, not into, lapped joints. Lap ribbed or fluted sheets one full rib corrugation. Apply metal panels and associated items for neat and weathertight enclosure. Avoid "panel creep" or application not true to line.

3. Prevailing wind directions for the project are from the east.

C. Metal Protection: Where dissimilar metals contact each other or corrosive substrates, protect against galvanic action by painting contact surfaces with corrosion-resistant coating, by applying rubberized-asphalt underlayment to each contact surface, or by other permanent separation as recommended by metal roof panel manufacturer.

D. Joint Sealers: Install gaskets, joint fillers, and sealants where indicated and where required for weatherproof performance of metal panel assemblies. Provide types of gaskets, fillers, and sealants indicated; or, if not indicated, provide types recommended by metal panel manufacturer.

3.4 METAL ROOF PANEL INSTALLATION

A. General: Provide metal roof panels of full length from eave to ridge unless otherwise indicated or restricted by shipping limitations.

1. Install ridge caps as metal roof panel work proceeds.

2. Flash and seal metal roof panels with weather closures at eaves and rakes. Fasten with self-tapping screws.

3.5 ACCESSORY INSTALLATION

A. General: Install accessories with positive anchorage to building and weathertight mounting, and provide for thermal expansion. Coordinate installation with flashings and other components.

1. Install components required for a complete metal roof panel assembly, including trim, copings, ridge closures, seam covers, flashings, sealants, gaskets, fillers, closure strips, and similar items.

B. Flashing and Trim: Comply with performance requirements, manufacturer's written installation instructions, and SMACNA's "Architectural Sheet Metal Manual." Provide concealed fasteners where possible, and set units true to line and level. Install work with laps, joints, and seams that will be permanently watertight and weather resistant.

1. Install exposed flashing and trim that is without excessive oil-canning, buckling, and tool marks and that is true to line and levels indicated, with exposed edges folded back to form hems. Install sheet metal flashing and trim to fit substrates and to result in waterproof and weather-resistant performance.

3.6 CLEANING AND REPAIR

A. Remove all dents and touch up paint all scratches or blemishes to all finished surfaces. No ferrous metal shall remain unfinished. For the purposes of this paragraph, factory primed or galvanized finished are included as finished surfaces, as well as factory prefinished colored surfaces. Repairs and touch-up painting shall match adjacent surfaces sufficiently that, in CPM's opinion, they are not visible from 5 feet away.

1. Scratches that extend through the top coat of the finished metal panel will not be considered for repair. Replace entire metal panel.

B. Clean finished surfaces from marks, smudges, sealants, dirt, and other blemishes.

END OF SECTION 133419

Copyright © 2024 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties. It was created by "Oregon Department of Transportation" for "Bachelor Butte Propane Cover". A valid, current MasterSpec license is required for editing and use of this document for any other project.(25004)

Copyright © 2024 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties. It was created by "Oregon Department of Transportation" for "Bachelor Butte Propane Cover". A valid, current MasterSpec license is required for editing and use of this document for any other project.(25004)

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