36C24218B0371-0002006.pdf

VA Medical Center Bath, NY Project No. 528A6-17-60 1

Renovate CLC 3 Bid Documents: 03/16/18

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SECTION 05 12 00

STRUCTURAL STEEL FRAMING

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Structural steel shapes, plates, and bars.

2. Bolts, nuts, and washers.

1.2 RELATED REQUIREMENTS

A. Materials Testing And Inspection During Constructio n: Section 01 45 29, TESTING LABORATORY SERVICES.

B. Steel Joist: Section 05 21 00, STEEL JOIST FRAMING.

C. Steel Decking: Section 05 31 00, STEEL DECKING.

D. Fireproofing: Section 07 81 00, APPLIED FIREPROOFIN G.

E. Steel Finishes: Section 09 06 00, SCHEDULE FOR FINI SHES.

F. Steel Support: Section 10 13 00, DIRECTORIES.

G. Painting: Section 09 91 00, PAINTING.

1.3 APPLICABLE PUBLICATIONS

A. Comply with references to extent specified in this section.

B. American Institute of Steel Construction (AISC):

1. AISC Manual - Steel Construction Manual, 14th Ed.

2. 303-10 - Code of Structural Steel Buildings and Bri dges.

3. 360-10: Specification for Structural Steel Building s.

C. The American Society of Mechanical Engineers (ASME) :

1. B18.22.1-09 - Washers: Helical Spring-Lock, Tooth L ock, and Plain

Washers.

D. American Welding Society (AWS):

1. D1.1/D1.1M-15 - Structural Welding Code - Steel.

E. ASTM International (ASTM):

1. A6/A6M-14 - General Requirements for Rolled Structu ral Steel Bars, Plates, Shapes, and Sheet Piling.

2. A36/A36M-14 - Carbon Structural Steel.

3. A53/A53M-12 - Pipe, Steel, Black and Hot-Dip, Zinc- Coated, Welded and Seamless.

4. A123/A123M-15 - Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel

Products.

5. A242/A242M-13 - High-Strength Low-Alloy Structural Steel.

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6. A283/A283M-13 - Low and Intermediate Tensile Streng th Carbon Steel

Plates.

7. A307-14 - Carbon Steel Bolts, Studs, and Threaded R od 60,000 PSI

Tensile Strength.

8. A325-14 - Structural Bolts, Steel, Heat Treated, 12 0/105 ksi Minimum

Tensile Strength.

9. A490-14a - Structural Bolts, Alloy Steel, Heat Trea ted, 150 ksi

Minimum Tensile Strength.

10. A500/A500M-13 - Cold-Formed Welded and Seamless Car bon Steel

Structural Tubing and Rounds and Shapes.

11. A501/A501M-14 - Hot-Formed Welded and Seamless Carb on Steel

Structural Tubing and Rounds and Shapes.

12. A572/A572M-15 - High-Strength Low-Alloy Columbium-V anadium

Structural Steel.

13. A992/A992M-15 - Structural Shapes.

14. F2329/F2329M-15 - Zinc Coating, Hot-Dip, Requiremen ts for

Application to Carbon and Alloy steel Bolts, Screws , washers, Nuts, and Special Threaded Fasteners.

F. Master Painters Institute (MPI):

1. No. 18 - Primer, Zinc Rich, Organic.

G. Military Specifications (Mil. Spec.):

1. MIL-P-21035 - Paint, High Zinc Dust Content, Galvan izing, Repair.

H. Occupational Safety and Health Administration (OSHA ):

1. 29 CFR 1926.752(e) - Guidelines For Establishing Th e Components Of A

Site-Specific Erection Plan.

2. 29 CFR 1926-2001 - Safety Standards for Steel Erect ion.

I. Research Council on Structural Connections (RCSC) o f The Engineering

Foundation:

1. Specification for Structural Joints Using ASTM A325 or A490 Bolts.

1.4 SUBMITTALS

A. Submittal Procedures: Section 01 33 23, SHOP DRAWIN GS, PRODUCT DATA, AND SAMPLES.

B. Submittal Drawings:

1. Show size, configuration, and fabrication and insta llation details.

C. Sustainable Construction Submittals:

1. Recycled Content: Identify post-consumer and pre-co nsumer recycled content percentage by weight.

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D. Test Reports: Certify products comply with specific ations.

1. Welders' qualifying tests.

E. Certificates: Certify each product complies with sp ecifications.

1. Structural steel.

2. Steel connections.

3. Welding materials.

4. Shop coat primer paint.

F. Qualifications: Substantiate qualifications comply with specifications.

1. Fabricator.

2. Installer Welders and welding procedures.

G. Delegated Design Drawings and Calculations: Signed and sealed by responsible Engineer.

1. Non-Standard Connection calculations only.

H. Record Surveys: Signed and sealed by responsible su rveyor or engineer.

1.5 QUALITY ASSURANCE

A. Fabricator Qualifications: AISC Quality Certificati on participant designated as AISC Certified Plant, Category STD.

1. Regularly fabricates specified products.

2. Fabricated specified products with satisfactory ser vice on five similar installations for minimum five years.

B. Installer Qualifications: AISC Quality Certificatio n Program participant designated as AISC-Certified Erector, C ategory ACSE.

1. Regularly installs specified products.

2. Installed specified products with satisfactory serv ice on five similar installations for minimum five years.

C. Before commencement of Work, ensure steel erector p rovides written notification required by OSHA 29 CFR 1926.752(e). S ubmit a copy of the notification to Contracting Officer's Representativ e.

D. Welders and Welding Procedures Qualifications: AWS D1.1/D1.1M.

1.6 WARRANTY

A. Construction Warranty: FAR clause 52.246-21, "Warra nty of

Construction."

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PART 2 - PRODUCTS

2.1 SYSTEM PERFORMANCE

A. Delegated Design: Prepare submittal documents inclu ding design calculations and drawings signed and sealed by regi stered design professional, licensed in state where project is lo cated.

B. Design structural steel framing connections complyi ng with specified performance:

1. Load Capacity: Account for connection and member lo ads and eccentricities.

a. Request additional design criteria when necessary t o complete connection design.

2. Configuration: Design and detail all connections fo r each member size, steel grade and connection type to resist the loads and reactions indicated on the drawings or specified he rein. Use details consistent with details shown on drawings, suppleme nting where necessary. The details shown on drawings are concep tual and do not indicate the required weld sizes or number of bolts unless specifically noted. Use rational engineering design and standard practice in detailing, accounting for all loads and eccentricities in both the connection and the members. Promptly no tify the

Contracting Officer Representative of any location where the connection design criteria is not clearly indicated . The design of all connections is subject to the review and accept ance of the

Contracting Officer's Representative. Submit struct ural calculations prepared and sealed by a qualified engineer registe red in the state where the project is located. Submit calculations f or review before preparation of detail drawings.

2.2 MATERIALS

A. W-Shapes:

1. ASTM A992/A992M.

2. ASTM A572/A572M; Grade 50.

3. ASTM A529; Grade 50.

B. Channel and Angles:

1. ASTM A36/A36M.

C. Plates and Bars:

1. ASTM A572/A572M; Grade 50

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D. Bolts, Nuts and Washers: plain finish for other fra ming .

1. High-strength bolts, including nuts and washers: AS TM A325.

2. Bolts and nuts, other than high-strength: ASTM A307 , Grade A.

3. Plain washers, other than those in contact with hig h-strength bolt heads and nuts: ASME B18.22.1.

E. Welding Materials: AWS D1.1, type to suit applicati on.

2.3 PRODUCTS - GENERAL

A. Basis of Design: Section 09 06 00, SCHEDULE FOR FIN ISHES.

B. Sustainable Construction Requirements:

1. Steel Recycled Content: 30 percent total recycled c ontent, minimum.

2. Low Pollutant-Emitting Materials: Comply with VOC l imits specified in Section 01 81 13, SUSTAINABLE CONSTRUCTION REQUI REMENTS for the following products:

a. Paints and coatings.

2.4 FABRICATION

A. Fabricate structural steel according to Chapter M, AISC 360.

B. Shop and Field Connections:

1. 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 per form type of work required.

2. High-Strength Bolts: High-strength bolts tightened to a bolt tension minimum 70 percent of their minimum tensile strengt h. Tightening done with properly calibrated wrenches, by turn-of- nut method or by use of direct tension indicators (bolts or washers) . Tighten bolts in connections identified as slip-critical using Di rect Tension

Indicators. Twist-off torque bolts are not an accep table alternate fastener for slip critical connections.

2.5 FINISHES

A. Shop Priming:

1. Prime paint structural steel according to AISC 303, Section 6.

a. Interstitial Space Structural Steel: Prime paint, u nless indicated to receive sprayed on fireproofing.

B. Shop Finish Painting: Apply primer and finish paint as specified in

Section 09 91 00, PAINTING.

C. Do not paint:

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1. Surfaces within 50 mm (2 inches) of field welded jo ints.

2. Surfaces indicated to be encased in concrete.

3. Surfaces receiving sprayed on fireproofing.

4. Beam top flanges receiving shear connector studs ap plied.

D. Structural Steel Galvanizing: ASTM A123/A123M, hot dipped, after fabrication. Touch-up after erection: Clean and wir e brush any abraded and other spots worn through zinc coating, includin g threaded portions of bolts and welds and touch-up with galvanizing re pair paint.

1. Galvanize structural steel framing installed at ext erior locations.

E. Bolts, Nuts, and Washers Galvanizing: ASTM F2329, h ot-dipped.

2.6 ACCESSORIES

A. General: Shop paint steel according to AISC 303, Se ction 6.

B. Finish Paint System: Primer and finish as specified in Section

09 91 00, PAINTING.

C. Galvanizing Repair Paint: MPI No. 18.

PART 3 - EXECUTION

3.1 ERECTION

A. Erect structural steel according to AISC 303 and AI SC 360.

B. Set structural steel accurately at locations and el evations indicated on drawings.

C. Maintain erection tolerances of structural steel wi thin AISC 303 requirements.

1. Pour Stop Elevation Tolerance: 6 mm (1/4 inch), max imum, before concrete placement.

D. Weld and bolt connections as specified for shop con nections.

3.2 FIELD PAINTING

A. After welding, clean and prime weld areas to match adjacent finish.

B. Touch-up primer damaged by construction operations.

C. Apply galvanizing repair paint to galvanized coatin gs damaged by construction operations.

D. Finish Painting: As specified in Section 09 91 00, PAINTING.

3.3 FIELD QUALITY CONTROL

A. Record Survey:

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1. Engage registered land surveyor or registered civil engineer as specified in Section 01 00 00, GENERAL REQUIREMENTS to perform survey.

2. Measure and record structural steel framing plumbne ss, level, and alignment after completing bolting and welding and before installation of work supported by structural steel.

3. Identify deviations from allowable tolerances speci fied in

AISC Manual.

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