Specification -STRUCTURAL STEEL FRAMING.docx
DOCX document 33 KB Posted
- Attached to
- Z1DA--506-17-503 Chiller Plant Optimization Federal contract opportunity
- Solicitation number
- 36C25020B0063
About this file
This document contains a specification for structural steel framing and a pre-solicitation announcement for a construction project. The specification outlines requirements for structural steel shapes, plates, bars, and pipe to be used in framing. It includes sections on related work, quality assurance, submittals, materials, fabrication, finishes, accessories, erection, and field quality control.
The pre-solicitation announcement indicates the Department of Veterans Affairs will issue an Invitation for Bid on June 10, 2020 for a construction project at the Ann Arbor VA Medical Center to improve performance of existing water-cooled centrifugal chillers in the central chiller plant. The project scope includes rerouting primary and secondary chilled water piping, tying cooling tower basins together and modifying controls, eliminating 3-way chilled water valves, and modifying control sequences. The contract will be a firm fixed price awarded within 120 days, with a performance period of 270 days.
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Text version
| CHILLER PLANT OPTIMIZATION | 506-17-503 | |
| ANN ARBOR, MI | 11-01-18 |
SECTION 05 12 00
STRUCTURAL STEEL FRAMING
SPEC WRITER NOTE: Delete text between // ______ // not applicable to project. Edit remaining text to suit project.
GENERAL
SUMMARY
Section Includes:
Structural steel shapes, plates, and bars.
Structural pipe.
RELATED REQUIREMENTS
SPEC WRITER NOTE: Update and retain references only when specified elsewhere in this section.
Materials Testing and Inspection During Construction: Section 01 45 29, TESTING LABORATORY SERVICES.
Roof Decks Framing: Section 03 51 16, GYPSUM CONCRETE ROOF DECKS.
Floor Decks Framing: Section 03 55 11, GYPSUM CONCRETE FLOOR DECKS.
Steel Framing: // Section 08 44 13, GLAZED ALUMINUM CURTAIN WALLS // Section 13 34 19, METAL BUILDING SYSTEMS //.
Steel Finishes: Section 09 06 00, SCHEDULE FOR FINISHES.
Painting: Section 09 91 00, PAINTING.
Steel Piles: Section 31 62 00, DRIVEN PILES.
SPEC WRITER NOTE: AISC has a certification program confirming that certified structural steel fabricating plant has procedures and commitment to produce fabricated steel of required quality for given category of structural steel framing. Consider deleting category certification if there is minimal amount of steel required. Category is STD: Standard for Building Structures.
APPLICABLE PUBLICATIONS
Comply with references to extent specified in this section.
American Institute of Steel Construction (AISC):
AISC Manual - Steel Construction Manual, 14th Ed.
30310 - Code of Structural Steel Buildings and Bridges.
36010: Specification for Structural Steel Buildings.
The American Society of Mechanical Engineers (ASME):
B18.22.109 - Washers: Helical SpringLock, Tooth Lock, and Plain Washers.
American Welding Society (AWS):
D1.1/D1.1M15 - Structural Welding Code - Steel.
ASTM International (ASTM):
A6/A6M14 - General Requirements for Rolled Structural Steel Bars, Plates, Shapes, and Sheet Piling.
A36/A36M14 - Carbon Structural Steel.
A53/A53M12 - Pipe, Steel, Black and HotDip, ZincCoated, Welded and Seamless.
A123/A123M15 - Zinc (HotDip Galvanized) Coatings on Iron and Steel Products.
A242/A242M13 - HighStrength LowAlloy Structural Steel.
A283/A283M13 - Low and Intermediate Tensile Strength Carbon Steel Plates.
A30714 - Carbon Steel Bolts, Studs, and Threaded Rod 60,000 PSI Tensile Strength.
A500/A500M13 - ColdFormed Welded and Seamless Carbon Steel Structural Tubing and Rounds and Shapes.
A501/A501M14 - HotFormed Welded and Seamless Carbon Steel Structural Tubing and Rounds and Shapes.
A572/A572M15 - HighStrength LowAlloy ColumbiumVanadium Structural Steel.
A992/A992M15 - Structural Shapes.
F2329/F2329M15 - Zinc Coating, HotDip, Requirements for Application to Carbon and Alloy steel Bolts, Screws, washers, Nuts, and Special Threaded Fasteners.
F3125/F3125M-15 - Standard Specification for High Strength Structural Bolts, Steel and Alloy Steel, Heat Treated, 120 ksi (830 MPa) and 150 ksi (1040 MPa) Minimum Tensile Strength, Inch and Metric Dimensions Master Painters Institute (MPI):
No. 18 - Primer, Zinc Rich, Organic.
Military Specifications (Mil. Spec.):
MILP21035 - Paint, High Zinc Dust Content, Galvanizing, Repair.
Occupational Safety and Health Administration (OSHA):
29 CFR 1926.752(e) - Guidelines For Establishing The Components Of A SiteSpecific Erection Plan.
29 CFR 19262001 - Safety Standards for Steel Erection.
Research Council on Structural Connections (RCSC) of The Engineering Foundation:
Specification for Structural Joints Using ASTM F3125 Bolts.
SUBMITTALS
Submittal Procedures: Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.
Submittal Drawings:
Show size, configuration, and fabrication and installation details.
Sustainable Construction Submittals:
Test Reports: Certify products comply with specifications.
Welders' qualifying tests.
Certificates: Certify each product complies with specifications.
Structural steel.
Steel connections.
Welding materials.
Shop coat primer paint.
Qualifications: Substantiate qualifications comply with specifications.
Fabricator // with project experience list //.
Installer // with project experience list //.
Welders and welding procedures.
SPEC WRITER NOTE: Include cooling tower supports, only when required and not detailed on structural drawings.
// Cooling Tower Supports. //
QUALITY ASSURANCE
Fabricator Qualifications: AISC Quality Certification participant designated as AISC Certified Plant, Category STD.
Regularly fabricates specified products.
Fabricated specified products with satisfactory service on five similar installations for minimum five years.
// Project Experience List: Provide contact names and addresses for completed projects. // Installer Qualifications: AISC Quality Certification Program participant designated as AISCCertified Erector, Category ACSE.
Regularly installs specified products.
Installed specified products with satisfactory service on five similar installations for minimum five years.
// Project Experience List: Provide contact names and addresses for completed projects. // Before commencement of Work, ensure steel erector provides written notification required by OSHA 29 CFR 1926.752(e). Submit a copy of the notification to Contracting Officer's Representative.
Welders and Welding Procedures Qualifications: AWS D1.1/D1.1M.
WARRANTY
SPEC WRITER NOTE: Always retain construction warranty. FAR includes Contractor's one year labor and material warranty.
Construction Warranty: FAR clause 52.24621, "Warranty of Construction."
PRODUCTS
NOT USED
SPEC WRITER NOTE: Include cooling tower supports when required for project. Add other specific components requiring delegated design.
Design cooling tower supports meeting specified performance:
Coordinate design criteria with cooling tower specified in Section 23 65 00, COOLING TOWERS.
Design Loads: Support operating cooling tower maximum dead load and minimum dead load when combined with lateral loads. Resist wind, snow, // seismic // loads indicated on drawings and supplied by Cooling Tower manufacturer.
Configuration: Design framing member sizes, dimensions, and locations to suit cooling tower load, size, and configuration. Submit detailed drawings and design calculations, prepared by a registered Professional Engineer, for approval before members are fabricated.
MATERIALS
SPEC WRITER NOTE: For each structural steel shape, select reference standard. First two subparagraphs are typical; last subparagraph is considered specialty steel.
WShapes:
ASTM A992/A992M.
ASTM A572/A572M; Grade // 50 // 60 // 65 //.
ASTM A529; Grade // 50 // 55 //.
ASTM A572/A572M; Grade // 50 // 60 // 65 //.
ASTM A529; Grade // 50 // 55 //.
Channel and Angles:
ASTM A36/A36M.
ASTM A572/A572M; Grade // 50 // 60 // 65 //.
ASTM A529; Grade // 50 // 55 //.
Plates and Bars:
ASTM A36/A36M.
ASTM A572/A572M; Grade // 50 // 60 // 65 //.
ASTM A529; Grade // 50 // 55 //.
Welding Materials: AWS D1.1, type to suit application.
PRODUCTS - GENERAL
Sustainable Construction Requirements:
Steel Recycled Content: 30 percent total recycled content, minimum.
Low PollutantEmitting Materials: Comply with VOC limits specified in Section 01 81 13, SUSTAINABLE CONSTRUCTION REQUIREMENTS for the following products:
Paints and coatings.
FABRICATION
Fabricate structural steel according to Chapter M, AISC 360.
Shop and Field Connections:
Weld connections according to AWS D1.1/D1.1M. Welds shall be made only by welders and welding operators who have been previously qualified by tests as prescribed in AWS D1.1 to perform type of work required.
FINISHES
Shop Priming:
Prime paint structural steel according to AISC 303, Section 6.
Interstitial Space Structural Steel: Prime paint, unless indicated to receive sprayed on fireproofing.
Shop Finish Painting: Apply primer and finish paint as specified in Section 09 91 00, PAINTING.
Do not paint:
Surfaces within 50 mm (2 inches) of field welded joints.
Surfaces indicated to be encased in concrete.
Surfaces receiving sprayed on fireproofing.
Beam top flanges receiving shear connector studs applied.
ACCESSORIES
General: Shop paint steel according to AISC 303, Section 6.
Finish Paint System: Primer and finish as specified in Section 09 91 00, PAINTING, OR OTHERWISE EXTERIOR URETHANE ALKYD SEMI-GLOSS ENAML COLOR TO MATCH EXISTING FRAMING PAINT.
EXECUTION
ERECTION
Erect structural steel according to AISC 303 and AISC 360.
Set structural steel accurately at locations and elevations indicated on drawings.
Maintain erection tolerances of structural steel within AISC 303 requirements.
Pour Stop Elevation Tolerance: 6 mm (1/4 inch), maximum, before concrete placement.
Weld and bolt connections as specified for shop connections.
FIELD PAINTING
After welding, clean and prime weld areas to match adjacent finish.
Touchup primer damaged by construction operations.
Finish Painting: As specified in Section 09 91 00, PAINTING.
FIELD QUALITY CONTROL
- E N D - 05 12 00 - 1
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