Division 5 specs - Metals.pdf

SAMUEL S. STRATTON VA MEDICAL CENTER

DESIGN NEW EMERGENCY DEPARTMENT

VA PROJECT NO. 528-809

11-01-18

05 12 00 - 1

SECTION 05 12 00

STRUCTURAL STEEL FRAMING

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Structural steel shapes, plates, and bars.

2. Structural pipe.

3. Bolts, nuts, and washers.

1.2 RELATED REQUIREMENTS

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

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

C. Composite Steel Deck: Section 05 36 00, COMPOSITE METAL DECKING.

D. Fireproofing: Section 07 81 00, APPLIED FIREPROOFING.

E. Steel Framing: Section 08 44 13, GLAZED ALUMINUM CURTAIN WALLS

F. Steel Finishes: Section 09 06 00, SCHEDULE FOR FINISHES.

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 Bridges.

3. 360-10: Specification for Structural Steel Buildings.

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

1. B18.22.1-09 - Washers: Helical Spring-Lock, Tooth Lock, 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 Structural 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.

05 12 00 - 2

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

Products.

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

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

Plates.

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

Tensile Strength.

8. A500/A500M-13 - Cold-Formed Welded and Seamless Carbon Steel

Structural Tubing and Rounds and Shapes.

9. A501/A501M-14 - Hot-Formed Welded and Seamless Carbon Steel

Structural Tubing and Rounds and Shapes.

10. A572/A572M-15 - High-Strength Low-Alloy Columbium-Vanadium

Structural Steel.

11. A992/A992M-15 - Structural Shapes.

12. F2329/F2329M-15 - Zinc Coating, Hot-Dip, Requirements for

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

13. 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

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, Galvanizing, Repair.

H. Occupational Safety and Health Administration (OSHA):

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

Site-Specific Erection Plan.

2. 29 CFR 1926-2001 - Safety Standards for Steel Erection.

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

Foundation:

1. Specification for Structural Joints Using ASTM F3125 Bolts.

1.4 SUBMITTALS

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

B. Submittal Drawings:

05 12 00 - 3

1. Show size, configuration, and fabrication and installation details.

C. Test Reports: Certify products comply with specifications.

1. Welders' qualifying tests.

D. Certificates: Certify each product complies with specifications.

1. Structural steel.

2. Steel connections.

3. Welding materials.

4. Shop coat primer paint.

E. Qualifications: Substantiate qualifications comply with specifications.

1. Fabricator with project experience list .

2. Installer with project experience list .

3. Welders and welding procedures.

F. Delegated Design Drawings and Calculations: Signed and sealed by the responsible Engineer in Charge who is a licensed Professional Engineer in the State of New York. .

1. Connection calculations.

1.5 QUALITY ASSURANCE

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

1. Regularly fabricates specified products.

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

B. Installer Qualifications: AISC Quality Certification Program participant designated as AISC-Certified Erector, Category ACSE.

1. Regularly installs specified products.

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

C. 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.

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

1.6 WARRANTY

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

Construction."

05 12 00 - 4

PART 2 - PRODUCTS

2.1 SYSTEM PERFORMANCE

A. Delegated Design: Prepare submittal documents including design calculations and drawings signed and sealed by registered design professional, licensed in state where project is located.

B. Design structural steel framing connections complying with specified performance:

1. Load Capacity: Resist loads indicated on drawings and described in this specification section. Account for connection and member loads and eccentricities.

a. Where reactions are not shown, request additional design criteria including reactions from the Engineer of Record to complete connection design.

2. Configuration: Design and detail all connections for each member size, steel grade and connection type to resist the loads and reactions indicated on the drawings or specified herein. Use details consistent with details shown on drawings, supplementing where necessary. The details shown on drawings are conceptual 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 notify 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 acceptance of the

Contracting Officer's Representative. Submit structural calculations prepared and sealed by a qualified engineer registered in the state where the project is located. Submit calculations for review before preparation of detail drawings.

3. Slide Bearings: Structural bearing system with upper element consisting of steel bearing plate faced with stainless steel and lower element consisting of a steel bearing plate faced with PTFE

(Teflon). Stainless steel shall be minimum 20-gauge, ASTM A240, Type 304, having a surface finish of less than 20 microinches RMS on side in contact with lower element. Stainless steel shall be epoxy bonded in center as well as TIG stitch welded around periphery.

05 12 00 - 5

PTFE shall be nominal 1/16-inch-thick, glass-filled, virgin material tested in accordance with ASTM D4894 or D4895 and factory bonded with tested epoxy to steel back-up plate. Coefficient of friction shall average 0.05 under a compressive load of 2,000 psi. Bearing

Type CSB as manufactured by Con-Serv Inc. or accepted equivalent.

2.2 MATERIALS

A. W-Shapes:

1. ASTM A992/A992M.

B. Channel and Angles:

1. ASTM A36/A36M.

C. Plates and Bars:

1. ASTM A36/A36M.

D. Hollow Structural Sections:

1. ASTM A500/A500M.

E. Structural Pipe: ASTM A53/A53M, Grade B.

F. Bolts, Nuts and Washers: Galvanized for galvanized framing and plain finish for other framing .

1. High-strength bolts, including nuts and washers: ASTM F3125.

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

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

G. Welding Materials: AWS D1.1, type to suit application.

2.3 PRODUCTS - GENERAL

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

B. Sustainable Construction Requirements:

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

2. Low Pollutant-Emitting Materials: Comply with VOC limits specified in Section 01 81 13, SUSTAINABLE CONSTRUCTION REQUIREMENTS 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

05 12 00 - 6 qualified by tests as prescribed in AWS D1.1 to perform type of work required.

2. High-Strength Bolts: High-strength bolts tightened to a snug tight condition. an acceptable 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, unless indicated to receive sprayed on fireproofing.

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

Section 09 91 00, PAINTING.

1. See Section 09 06 00, SCHEDULE FOR FINISHES for paint color selections for exposed locations.

C. Do not paint:

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

2. Surfaces receiving sprayed on fireproofing.

3. Beam top flanges receiving shear connector studs applied.

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

1. Galvanize structural steel framing installed at exterior locations.

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

2.6 ACCESSORIES

A. General: Shop paint steel according to AISC 303, Section 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 AISC 360.

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

05 12 00 - 7

C. Maintain erection tolerances of structural steel within AISC 303 requirements.

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

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

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 coatings damaged by construction operations.

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

3.3 FIELD QUALITY CONTROL

A. Record Survey:

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 plumbness, level, and alignment after completing bolting and welding and before installation of work supported by structural steel.

3. Identify deviations from allowable tolerances specified in

AISC Manual.

- - E N D - -

01-01-21

05 31 00 - 1

SECTION 05 31 00

STEEL DECKING

1.1 SUMMARY

A. Section Includes:

1. Single pan fluted metal roof deck as roof substrate.

1.2 RELATED WORK

A. Section 05 21 00, STRUCTURAL STEEL FRAMING: Structural Steel Shapes.

1.3 APPLICABLE PUBLICATIONS

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

B. AISI - American Iron and Steel Institute.

S100-16.................Specification for the Design of Cold-formed

Steel Structural Members.

C. American Welding Society (AWS):

D1.1/D1.1M-20...........Structural Welding Code - Steel.

1.3/D1.3M-18............ Structural Welding Code - Sheet Steel.

D. ASTM International (ASTM):

A36/A36M-19.............Standard Specification for Carbon Structural

Steel.

A653/A653M-20...........Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron

Alloy-Coated (Galvannealed) by the Hot-Dip

Process.

A1008/A1008M-20.........Standard Specification for Steel, Sheet, Cold-Rolled, Carbon, Structural, High-Strength

Low-Alloy, High-Strength Low-Alloy with

Improved Formability, Solution Hardened, and

Baked Hardenable.

C423-17.................Standard Test Method for Sound Absorption and

Sound Absorption Coefficients by the

Reverberation Room Method.

E119-20.................Standard Test Methods for Fire Tests of

Building Construction and Materials.

05 31 00 - 2

E. FM Global (FM):

1-28-15.................Wind Design.

Factory Mutual Research Approval Guide.

F. Master Painters Institute (MPI):

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

G. Military Specifications (Mil. Spec.):

MIL-P-21035B............ Paint, High Zinc Dust Content, Galvanizing

Repair.

H. Steel Deck Institute (SDI):

No. 31-07...............Design Manual for Composite Deck, Form Decks, and Roof Decks.

I. UL LLC (UL):

Listed Online Certifications Directory.

580.....................Tests for Uplift Resistance of Roof Assemblies.

1.4 SUBMITTALS

A. Submittal Procedures: Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES. All items indicated below are required submittals requiring Contracting Officer’s Representative (COR) review and approval.

B. Submittal Drawings:

1. Show layout, connections to supporting members, anchorage, sump pans, accessories, deck openings and reinforcements.

2. Show similar information necessary for completing installation as shown and specified, including supplementary framing, ridge and valley plates, cant strips, cut openings, special jointing or other accessories.

3. Show welding, side lap, closure, deck reinforcing and closure reinforcing details.

4. Show openings required for work of other trades, including openings not shown on structural drawings. Indicate where temporary shoring is required to satisfy design criteria.

C. Manufacturer's Literature and Data:

1. Description of each product.

2. Show steel decking section properties and structural characteristics.

D. Sustainable Construction Submittals:

05 31 00 - 3

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

E. Certificates: Certify each product complies with specifications.

1. Fire Resistance Product Listing: For each metal deck type and thickness supporting concrete slab or fill.

F. Qualifications: Substantiate qualifications comply with specifications.

1. Welders and welding procedures.

1.5 WARRANTY

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

Construction."

PART 2 - PRODUCTS

2.1 MATERIALS

A. Galvanized Steel Sheet: ASTM A653/A653M; G60 coating.

B. Painted Steel Sheet: ASTM A1008/A1008M, Grade C or D, shop primed.

C. Steel Shapes: ASTM A36/A36M.

2.2 PRODUCTS - GENERAL

A. Sustainable Construction Requirements:

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

2.3 METAL ROOF DECK

A. Metal Roof Deck:

1. Steel decking of the type, depth, thickness, and section properties as shown.

B. Metal Roof Deck: Single pan fluted units with flat horizontal top surfaces as permanent support for superimposed loads.

1. Deck Style:

a. Wide Rib (Type B) deck.

2. Depth and Thickness: As indicated on drawings.

3. Material: Galvanized sheet steel.

C. Do not use steel deck for hanging supports of building components including suspended ceilings, electrical light fixtures, plumbing, heating, or air conditioning pipes or ducts or electrical conduits.

05 31 00 - 4

2.4 FABRICATION

A. Fabricate steel decking in sufficient lengths to extend over 3 or more supports, except for interstitial levels.

1. Cut metal deck units to proper length in shop.

B. Fabricate accessories required to complete installation of steel decking.

1. Exposed to View: Fabricate from sheet steel matching metal decking.

2. Concealed from View: Fabricate from galvanized sheet steel.

C. Sheet Metal Accessories:

1. Metal Cover Plates: For end-abutting decking, to close gaps at changes in deck direction, columns, walls and openings.

a. Sheet Steel: Minimum 1.0 mm (0.04 inch) thick.

2. Continuous Sheet Metal Edging: At openings, concrete slab edges and roof deck edges.

a. Sheet Steel: Minimum 1.0 mm (0.04 inch) thick.

3. Metal Closure Strips: For openings between decking and other construction. Form to configurations required to provide tight-fitting closures at open ends of flutes and sides of decking.

a. Sheet Steel: Minimum 1.0 mm (0.04 inch) thick.

4. Seat Angles for Deck: Provide where beam does not frame into column.

5. Sump Pans for Roof Drains: Fabricated from single piece galvanized sheet steel with level bottoms and sloping sides to direct water flow to drain. Provide sump pans of adequate size to receive roof drains and with bearing flanges minimum 75 mm (3 inches) wide.

Recess pans minimum 38 mm (1-1/2 inches) below roof deck surface, unless otherwise shown or required by deck configuration. Drain holes will be field cut.

a. Sheet Steel: Minimum 1.7 mm (0.06 inch) thick.

2.5 FINISHES

A. Shop prime painted sheet steel with two coats of primer.

2.6 ACCESSORIES

A. Primer: Manufacturer's standard primer compatible with finish painting specified in Section 09 91 00, PAINTING.

B. Welding Materials: AWS D1.1, type to suit application.

C. Galvanizing Repair Paint: MPI No. 18.

D. Touch-Up Paint: Match shop finish.

05 31 00 - 5

PART 3 - EXECUTION

3.1 PREPARATION

A. Examine and verify substrate suitability for product installation.

B. Protect existing construction and completed work from damage.

C. Remove contaminates from structural steel surfaces where steel decking will be welded.

D. Verify structural steel framing installation is completed, plumbed, and aligned with temporary bracing installed where required.

E. Coordinate with structural steel erector to prevent overloading of structural members when placing steel decking for installation.

3.2 ERECTION

A. Do not use floor deck units for storage or working platforms until permanently secured. Do not overload deck units once placed. Replace deck units that become damaged after erection and before casting concrete at no cost additional to the Government.

B. Place steel decking at right angles to supporting members with ends located over supports.

C. Lap end joints 50 mm (2 inches), minimum.

D. Roof Deck Fastening:

1. Fasten decking to steel supporting members by welding or mechanical fasteners. Mechanical Fasteners: Corrosion-resistant, low-velocity, powder-actuated, or pneumatically driven carbon steel fasteners or self-tapping screws.

2. 1. “X-ENP-19 L15” or “X-HSN-24” powder-actuated fasteners by Hilti, or accepted equivalent.

3. Welds: 5/8-inch diameter puddle welds a.

4. Fasten decking to each supporting member at ribs where side laps occur.

a. Power driven fasteners is acceptable in lieu of welding if strength equivalent to welding specified above is provided.

Submit test data and design calculations verifying equivalent design strength.

E. Cutting and Fitting:

05 31 00 - 6

1. Field cut steel decking to accommodate columns and other penetrating items.

2. Cut openings located and dimensioned on Structural Drawings.

3. Coordinate openings for other penetrations shown on approved submittal drawings but not shown on Structural Drawings.

a. Cut and reinforce required opening.

4. Make cuts neat and trim using metal saw, drill or punch-out device.

Cutting with torches is prohibited.

5. Do not make cuts in the metal deck that are not shown on the approved metal decking submittal drawings.

a. When additional openings are required, submit scaled drawing, locating required opening and other openings and supports in immediate area.

b. Do not cut the opening until drawing is approved by Contracting

Officer's Representative.

c. Provide additional reinforcing and framing required for opening.

d. Failure to comply with these requirements is cause for rejection of the work and removal and replacement of the affected steel decking.

6. Opening Reinforcement: Provide additional metal reinforcement and closure pieces as required for strength, continuity of decking, and support of other work.

F. Touch up damaged factory finishes.

1. Apply galvanizing repair paint to damaged galvanized surfaces.

2. Apply touch up paint to damaged shop painted surfaces.

- - E N D - -

05 36 00 - 1

SECTION 05 36 00

COMPOSITE METAL DECKING

1.1 DESCRIPTION

A. This section specifies material and services required for installation of composite steel decking including shear connector studs and miscellaneous closures required to prepare deck for concrete placement as shown and specified.

1.2 RELATED WORK

A. Section 01 45 29, TESTING LABORATORY SERVICES: Materials testing and inspection during construction.

1.3 SUBMITTALS

A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT

DATA, AND SAMPLES. All items indicated below are required submittals requiring Contracting Officer’s Representative (COR) review and approval.

B. Shop Drawings: Shop and erection drawings showing decking unit layout, connections to supporting members, and information necessary to complete the installation as shown and specified, including supplementary framing, cant strips, cut openings, special jointing or other accessories.

1. Show welding, side lap, closure, deck reinforcing and closure reinforcing details.

2. Show openings required for work of other trades, including openings not shown on structural drawings.

3. Indicate where temporary shoring is required to satisfy design criteria.

C. Manufacturer's Literature and Data: Showing steel decking section properties and specifying required structural characteristics.

D. Manufacturer's written recommendations for:

1. Shape of decking section.

2. Cleaning of steel decking prior to concrete placement.

E. Test Report - Establishing structural characteristics of composite concrete and steel decking system.

F. Test Report - Stud base qualification.

G. Welding power setting recommendation by shear stud manufacturer.

05 36 00 - 2

H. Shear Stud Layouts: Submit drawings showing the quantity, pattern, spacing and configuration of shear studs for each beam and girder.

I. Certification: For each type and gauge of metal deck supporting concrete slab or fill, submit certification of specified fire ratings.

Certify that units supplied are UL listed as a “Steel Floor and Form

Unit”.

J. Manufacturers Certificates for deck units attesting compliance with specified requirements.

K. Submit manufacturer’s catalog data for Welding Equipment and Welding

Rods and Accessories intended use.

L. Power Actuated Tool Operator Certificates.

M. Welders qualifications.

1.4 QUALITY ASSURANCE

A. Fire Safety

1. Insurance Certification: Assist the Government in preparation and submittal of roof installation acceptance certification as may be necessary in connection with fire and extended coverage insurance.

B. Deck Units: Provide deck units and accessory products from a manufacturer engaged in the manufacture of steel decking for more than three (3) years. Submit manufacturer’s certificates attesting that the decking material complies with the specified requirements.

C. Certification of Powder-Actuated Tool Operator: Manufacturer’s certificate attesting that the operators are authorized to use the low velocity powder-actuated tool.

D. Qualifications for Welding Work: Submit qualified welder qualifications in accordance with AWS D1.1/D1.1M or under an approved qualification test.

1.5 APPLICABLE PUBLICATIONS:

A. Publications listed below form a part of this specification to extent referenced. Publications are referenced in text by basic designation only. Refer to the latest edition of referenced Standards and codes.

B. American Iron and Steel Institute (AISI):

S-100-16................North American Specification for the Design of

Cold-Formed Steel Structural Members

C. ASTM International (ASTM):

05 36 00 - 3

A36/A36M-19.............Standard Specification for Carbon Structural

Steel

A108-18.................Standard Specification for Steel Bar, Carbon and Alloy, Cold-Finished

A653/A653M-20...........Standard Specification for Steel Sheet, Zinc

Coated (Galvanized) or Zinc Iron Alloy Coated

(Galvannealed) by the Hot Dip Process

D. American Institute of Steel Construction (AISC):

1. Specification for Structural Steel Buildings – Allowable Stress

Design and Plastic Design (Latest Edition)

2. Load and Resistance Factor Design Specification for Structural Steel

Buildings (Latest Edition)

E. American Welding Society (AWS):

D1.1/D1.1M-20...........Structural Welding Code - Steel

D1.3/D1.3M-18...........Structural Welding Code - Sheet Steel

F. FM Global (FM):

APP Guide...............Approval Guide

DS 1-28-15..............Design Wind Loads

G. Military Specifications (Mil. Spec.):

MIL-P-21035B............Paint, High Zinc Dust Content, Galvanizing

Repair

H. Underwriters Laboratories (UL):

Bld Mat Dir(Annually)...Building Materials Directory

2.1 MATERIALS

A. Steel Decking and Flashings: ASTM A653/A653M, Structural Quality suitable for shear stud weld-through techniques

B. Galvanizing: ASTM A653/A653M, G60 /. Thickness not less than indicated on drawings

C. Shear connector studs: ASTM A108, Grades 1015-1020, yield 350 Mpa

(50,000 pound/square inch) minimum, tensile strength - 400 Mpa (60,000 pounds/square inch) minimum, reduction of area 50 percent minimum.

1. Provide studs of uniform diameter, with heads concentric and on same axis to shaft.

2. Provide studs, after welding, free from substance or defect which would interfere with its function as a shear connector.

05 36 00 - 4

3. Do not paint or galvanize studs.

4. Provide size of studs as shown on drawings.

5. Provide studs manufactured by a company normally engaged in the manufacturer of shear studs, and can furnish equipment suitable for weld-through installation of shear studs.

D. Miscellaneous Steel Shapes: ASTM A36/A36M.

E. Welding Electrode: E60XX minimum.

F. Sheet Metal Accessories: ASTM A653/A653M, galvanized, unless noted otherwise. Provide accessories of every kind required to complete the installation of metal decking in the system shown. Finish sheet metal items to match deck including, but not limited to, the following items:

1. Metal Cover Plates: For end-abutting deck units, to close gaps at changes in deck direction, columns, walls and openings. Same quality as deck units but not less than 1.3 mm (18 gauge) sheet steel.

2. Continuous sheet metal edging: at openings and concrete slab edges.

Same quality as deck units but not less than 1.3 mm (18 gauge) steel. Side and end closures supporting concrete and their attachment to supporting steel to be designed by the manufacturer to safely support the wet weight of concrete and construction loads.

The deflection of cantilever closures to be limited to a total of 3 mm (1/8 inch) maximum.

3. Metal Closure Strips: For openings between decking and other construction, of not less than 1.3 mm (18 gauge) sheet steel of the same quality as the deck units. Form to the configuration required to provide tight-fitting closures at open ends of flutes and sides of decking.

4. Seat angles for deck: Where a beam does not frame into a column.

2.2 REQUIREMENTS

A. Steel decking depth, gauge, and section properties to be as shown on contract documents. Provide edges of deck with vertical interlocking male and female lip providing for a positive mechanical connection.

B. Fabricate deck units with integral embossments to provide mechanical bond with concrete slab. Deck units combined with concrete slab to be capable of supporting total design loads.

05 36 00 - 5

PART 3 - EXECUTION

3.1 ERECTION:

A. Do not start installation of metal decking until corresponding steel framework has been plumbed, aligned and completed, and until temporary shoring, where required, has been installed.

1. Remove oil, dirt, paint, ice, water and rust from steel surfaces to which metal decking will be welded.

B. Coordinate and cooperate with structural steel erector in locating decking bundles to prevent overloading of structural members.

C. Do not use floor deck units for storage or working platforms until permanently secured.

1. Do not overload deck units once placed.

2. Replace deck units that become damaged after erection and prior to casting concrete at no additional cost to the Government.

D. Erect steel deck in accordance with manufacturer's printed instructions.

E. Ship steel deck units in standard widths and fabricated to proper length.

F. Provide steel decking in sufficient lengths to extend over 3 or more spans, except where structural steel layout does not permit.

G. Place steel decking units on supporting steel framework and adjust to final position before being permanently fastened.

1. Bring each unit to proper bearing on supporting beams.

2. Place deck units in straight alignment for entire length of run of flutes and with close registration of flutes of one unit with those of abutting unit.

3. 3. Maximum space between ends of abutting units is 13 mm (1/2 inch).

If space exceeds 13 mm (1/2 inch), install closure plates.

H. Fastening Deck Units:

1. Fasten floor deck units to steel supporting members by not less than

16 mm (5/8 inch) diameter puddle welds or elongated welds of equal strength, spaced not more than 305 mm (12 inches) on center with a minimum of two welds per unit at each support. Where two units abut, fasten each unit individually to the supporting steel framework.

2. Tack weld or use self-tapping No. 8 or larger machine screws at

914 mm (3 feet) on center for fastening end closures. Only use welds to attach longitudinal end closures.

05 36 00 - 6

3. Weld side laps of adjacent floor deck units that span more than

1524 mm (5 feet). Fasten at midspan or 914 mm (3 feet) on center, whichever is smaller.

I. Weld in conformance to AWS D1.3/D1.3M and done by qualified experienced welding mechanics.

J. Clean and touch-up area and welds scarred during erection, and repair with zinc rich galvanizing repair paint.

1. Paint touch-up is not required for welds or scars that are to be in direct contact with concrete.

K. Provide metal concrete stops at edges of deck.

L. Cutting and Fitting:

1. Fabricate metal deck units to proper length prior to shipping.

2. Field cutting by the metal deck erector is restricted to bevel cuts, notching to fit around columns and similar items, and cutting openings that are located and dimensioned on the structural drawings.

3. Other penetrations shown on the approved metal deck shop drawings but not shown on the structural drawings are to be located, cut and reinforced.

4. Make cuts and penetrations neat and trim using a metal saw, drill or punchout device; cutting with torches is prohibited.

5. Do not make cuts in the metal deck that are not shown on the approved metal deck drawings.

6. If an additional opening not shown on the approved shop drawings is required, submit a sketch, to scale, locating the required new opening and other openings and supports in the immediate area. Do not cut the opening until the sketch has been reviewed and accepted by the Contracting Officer Representative (COR). Provide additional reinforcing or framing required for the opening at no additional cost to the Government.

7. Reinforcement at Openings: Provide additional metal reinforcement and closure pieces as required for strength, continuity of decking and support of other work shown.

M. Install shear connector studs through previously installed metal deck in conformance to AWS D1.1/D1.1M, Section 7.

Exception: Install studs with automatically timed welding equipment and as specified below:

05 36 00 - 7

1. Do not place welded wire reinforcing or other materials and equipment which will interfere with stud installation on steel deck until shear connector studs are installed.

2. Clean steel deck sheets free of oil, rust, dirt, and paint. Release water in deck’s valley so that it does not become entrapped between deck and beam. Clean and dry surface to which stud is to be welded.

3. Rest metal deck tightly upon top flange of structural member with bottom of deck rib in full contact with top of beam flange.

4. Weld studs only through a single thickness of deck. Place decking so that a butt joint is obtained. Place studs directly over beam web, where one row of studs are required.

5. Provide ferrules specially developed for the weld-through technique, and appropriate for size of studs installed. Remove ferrules after welding.

3.2 CLEANING

A. Clean deck in accordance with manufacturer's recommendation before concrete placement.

- - - E N D - - -

05 40 00-1

SECTION 05 40 00

COLD-FORMED METAL FRAMING

DESCRIPTION

A. This section specifies materials and services required for installation of cold-formed steel, including tracks and required accessories as shown and specified. This Section includes the following:

1. Exterior non-load-bearing steel stud curtain wall.

RELATED WORK

A. Section 05 12 00, STRUCTURAL STEEL FRAMING: Structural steel framing.

B. Section 09 22 16, NON-STRUCTURAL METAL FRAMING: Non-load-bearing metal stud framing assemblies.

C. Section 09 29 00, GYPSUM BOARD: Gypsum board assemblies.

D. Cold Formed Metal Framing Blast Performance Requirements:

Exterior wall cold-formed steel studs must be per the material, stud size, and spacing as specified in the structural drawings. In addition, the connections of the studs to the supporting structure at top and bottom, and the connections between stud members at framing around openings, must be as detailed in the structural drawings.

SUBMITTALS

A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT

DATA, AND SAMPLES. All items indicated below are required submittals requiring Contracting Officer’s Representative (COR) review and approval

B. Shop Drawings: Shop and erection drawings showing steel unit layout, connections to supporting members, and information necessary to complete installation as shown and specified.

C. Manufacturer's Literature and Data: Showing steel component sections and specifying structural characteristics.

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

05 40 00-2

APPLICABLE PUBLICATIONS

A. Publications listed below form a part of this specification to extent referenced. Publications are referenced in text by basic designation only.

B. American Iron and Steel Institute (AISI): Specification and Commentary for the Design of Cold-Formed Steel Structural Members (2016)

C. ASTM International (ASTM):

A36/A36M-19.............Standard Specification for Carbon Structural

Steel

A123/A123M-17...........Standard Specifications for Zinc (Hot-Dip

Galvanized) Coatings on Iron and Steel Products

A153/A153M-16a..........Standard Specifications for Zinc Coating (Hot-

Dip) on Iron and Steel Hardware

A307-14e1...............Standard Specifications for Carbon Steel Bolts, Studs, and Threaded Rod 60,000 PSI Tensile

Strength

A653/A653M-20...........Standard Specification for Steel Sheet, Zinc

Coated (Galvanized) or Zinc Iron Alloy Coated

(Galvannealed) by the Hot Dip Process

C955-18e1...............Standard Specification for Cold Formed Steel

Structural Framing Members

C1107/1107M-20..........Standard Specification for Packaged Dry, Hydraulic-Cement Grout (Non-shrink)

E488/E488M-18...........Standard Test Methods for Strength of Anchors in Concrete Elements

E1190-11(2018)..........Standard Test Methods for Strength of Power-

Actuated Fasteners Installed in Structural

Members

D. American Welding Society (AWS):

D1.3/D1.3M-18...........Structural Welding Code-Sheet Steel

E. Military Specifications (Mil. Spec.):

MIL-P-21035B............Paint, High Zinc Dust Content, Galvanizing

Repair

F. VA Physical Security and Resiliency Design Manual October 1, 2020.

http://www.astm.org/Standards/C955.htm http://www.astm.org/Standards/C955.htm

05 40 00-3

MATERIALS

A. Sheet Steel for joists, studs and accessories 16 gauge and heavier:

ASTM A653, structural steel, zinc coated G60 with a yield of 340 MPa

(50 ksi) minimum.

B. Galvanizing Repair Paint: MIL-P-21035B.

C. Welding Electrodes: Comply with AWS standards.

WALL FRAMING

A. Steel Studs: Complying with ASTM C 955. Manufacturer’s standard C-shaped steel studs of web depth indicated, with lipped flanges, and complying with the following:

1. Minimum Base-Steel Thickness(uncoated): As called for on Drawings

2. Flange Width: 1-5/8 inches

3. Web: Punched

B. Steel Track: Manufacturer’s standard U-shaped steel track, unpunched, of web depths indicated, with straight flanges, and complying with the following:

1. Design Uncoated-Steel Thickness: Matching steel studs.

2. Flange Width: Manufacturer’s standard deep flange where indicated, standard flange elsewhere.

FRAMING ACCESSORIES

A. Fabricate steel framing accessories of the same material and finish used for framing members, with a minimum yield strength of 230 MPa (33 ksi).

B. Provide accessories of manufacturer’s standard thickness and configuration, unless otherwise indicated, as follows:

1. Supplementary framing.

2. Bracing, bridging, and solid blocking.

3. Deflection track and vertical slide clips.

ANCHORS, CLIPS, AND FASTENERS

A. Steel Shapes and Clips: ASTM A36, zinc coated by the hot-dip process according to ASTM A123.

05 40 00-4

B. Expansion Anchors: Fabricated from corrosion-resistant materials, with capability to sustain, without failure, a load equal to 5 times the design load, as determined by testing per ASTM E488 conducted by a qualified independent testing agency.

C. Power-Actuated Anchors: Fastener system of type suitable for application indicated, fabricated from corrosion-resistant materials, with capability to sustain, without failure, a load equal to 10 times the design load, as determined by testing per ASTM E1190 conducted by a qualified independent testing agency.

D. Mechanical Fasteners: Corrosion-resistant coated, self-drilling, self-threading steel drill screws. Low-profile head beneath sheathing, manufacturer’s standard elsewhere.

REQUIREMENTS

A. Welding in accordance with AWS D1.3

Welding Electrodes: As permitted by AWS.

B. Furnish members and accessories by one manufacturer only.

PART 3 - EXECUTION

FABRICATION

A. Framing components may be preassembled into panels. Panels shall be square with components attached.

B. Cut framing components squarely or as required for attachment. Cut framing members by sawing or shearing; do not torch cut.

C. Hold members in place until fastened.

D. Fasten cold-formed metal framing members by welding or screw fastening, as standard with fabricator. Wire tying of framing members is not permitted.

1. Comply with AWS requirements and procedures for welding, appearance and quality of welds, and methods used in correcting welding work.

2. Locate mechanical fasteners and install according to cold-formed metal framing manufacturer’s instructions with screw penetrating joined members by not less than 3 exposed screw threads.

E. Where required, provide specified insulation in double header members and double jamb studs which will not be accessible after erection.

05 40 00-5

ERECTION

A. Handle and lift prefabricated panels (if used) in a manner as to not distort any member.

B. Securely anchor tracks to supports as shown.

C. At butt joints, securely anchor two pieces of track to same supporting member or butt-weld or splice together.

D. Plumb, align, and securely attach studs to flanges or webs of both upper and lower tracks.

E. Install jack studs above and below openings and as required to furnish support. Securely attach jack studs to supporting members.

F. Install headers in all openings that are larger than the stud spacing in that wall.

G. Attach bridging for studs in a manner to prevent stud rotation. Space bridging rows as shown.

H. Studs in one piece for their entire length, splices will not be permitted.

I. Provide temporary bracing and leave in place until framing is permanently stabilized.

J. Do not bridge building expansion joints with cold-formed metal framing.

Independently frame both sides of joints.

K. Fasten reinforcement plate over web penetrations that exceed size of manufacturer’s standard punched openings.

L. Welds shall be fillet, plug, butt, or seam unless noted otherwise.

Comply with AWS D1.3/D1.3M requirements and procedures for welding, appearance and quality of welds, and methods used in correcting welding work.

M. At track butt joints, abutting pieces of track shall be butt-welded or spliced together.

TOLERANCES

A. Vertical alignment (plumbness) of studs shall be within 1/960th of the span.

B. Horizontal alignment (levelness) of walls shall be within 1/960th of their respective lengths.

C. Spacing of studs shall not be more than 3 mm (1/8 inch) +/- from the designed spacing providing that the cumulative error does not exceed the requirements of the finishing materials.

05 40 00-6

D. Prefabricated panels shall be not more than 3 mm (1/8 inch) +/- out of square within the length of that panel.

FIELD REPAIR

A. Touch-up damaged galvanizing with galvanizing repair paint.

08-01-18

05 50 00- 1

SECTION 05 50 00

METAL FABRICATIONS

A. This section specifies items and assemblies fabricated from structural steel shapes and other materials as shown and specified.

B. Items specified.

1. Support for Wall and Ceiling Mounted Items: (SD055000-01, SD055000-02, SD102113-01, SD102600-01, SD123100-01 &

SD123100-02)

2. Frames

3. Loose Lintels

4. Safety Nosings

5. Ladders

6. Railings:

7. Steel Pipe Bollards – See Civil

1.2 RELATED WORK

A. Railings attached to steel stairs: Section 05 51 00, METAL STAIRS.

B. Colors, finishes, and textures: Section 09 06 00, SCHEDULE FOR

FINISHES.

C. Prime and finish painting: Section 09 91 00, PAINTING.

1.3 SUBMITTALS

A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT

DATA, AND SAMPLES.

B. Manufacturer's Literature and Data:

Steel frames Loose Lintels

Ladders Railings

Steel Bollards– See Civil

Manhole Covers- See Civil Safety nosing

C. Shop Drawings:

1. Each item specified, showing complete detail, location in the project, material and size of components, method of joining various components and assemblies, finish, and location, size and type of anchors.

05 50 00- 2

2. Mark items requiring field assembly for erection identification and furnish erection drawings and instructions.

3. Provide templates and rough-in measurements as required.

D. Manufacturer's Certificates:

1. Anodized finish as specified.

2. Live load designs as specified.

E. Design Calculations for specified live loads including dead loads.

1. Manufacturer shall provide calculations and drawings with Engineer’s

Stamp documenting the supplied products comply with loading requirements as indicated or per Code requirements.

F. Furnish setting drawings and instructions for installation of anchors to be preset into concrete and masonry work, and for the positioning of items having anchors to be built into concrete or masonry construction.

1.4 QUALITY ASSURANCE

A. Each manufactured product shall meet, as a minimum, the requirements specified, and shall be a standard commercial product of a manufacturer regularly presently manufacturing items of type specified.

B. Each product type shall be the same and be made by the same manufacturer.

C. Assembled product to the greatest extent possible before delivery to the site.

D. Include additional features, which are not specifically prohibited by this specification, but which are a part of the manufacturer's standard commercial product.

1.5 APPLICABLE PUBLICATIONS

A. The publications listed below form a part of this specification to the extent referenced. The publications are referenced in the text by the basic designation only.

B. American Society of Mechanical Engineers (ASME):

B18.6.1-97..............Wood Screws

B18.2.2-87(R2010).......Square and Hex Nuts

C. American Society for Testing and Materials (ASTM):

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

A47-99(R2014)...........Malleable Iron Castings

A48-03(R2012)...........Gray Iron Castings

A53-12..................Pipe, Steel, Black and Hot-Dipped, Zinc-Coated

Welded and Seamless

05 50 00- 3

A123-15.................Zinc (Hot-Dip Galvanized) Coatings on Iron and

Steel Products

A240/A240M-15...........Standard Specification for Chromium and

Chromium-Nickel Stainless Steel Plate, Sheet and Strip for Pressure Vessels and for General

Applications.

A307-14.................Carbon Steel Bolts and Studs, 60,000 PSI

Tensile Strength

A391/A391M-07(R2015)....Grade 80 Alloy Steel Chain

A786/A786M-15...........Rolled Steel Floor Plate

C1107-13................Packaged Dry, Hydraulic-Cement Grout

(Nonshrink)

F436-16.................Hardened Steel Washers

F468-06(R2015)..........Nonferrous Bolts, Hex Cap Screws, Socket Head

Cap Screws and Studs for General Use

F593-13.................Stainless Steel Bolts, Hex Cap Screws, and

Studs

F1667-15................Driven Fasteners: Nails, Spikes and Staples

D. American Welding Society (AWS):

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

D1.2-14.................Structural Welding Code Aluminum

D1.3-18.................Structural Welding Code Sheet Steel

E. National Association of Architectural Metal Manufacturers (NAAMM)

AMP 521-01(R2012).......Pipe Railing Manual

AMP 500-06..............Metal Finishes Manual

MBG 531-09(R2017).......Metal Bar Grating Manual

MBG 532-09..............Heavy Duty Metal Bar Grating Manual

F. Structural Steel Painting Council (SSPC)/Society of Protective

Coatings:

SP 1-15.................No. 1, Solvent Cleaning

SP 2-04.................No. 2, Hand Tool Cleaning

SP 3-04.................No. 3, Power Tool Cleaning

G. Federal Specifications (Fed. Spec):

RR-T-650E...............Treads, Metallic and Nonmetallic, Nonskid

05 50 00- 4

PART 2 - PRODUCTS

2.1 DESIGN CRITERIA

A. 1. Manufacturer shall provide calculations and drawings with

Engineer’s Stamp documenting the supplied products comply with loading requirements as indicated or per Code requirements.

B. In addition to the dead loads, design fabrications to support the following live loads unless otherwise specified.

C. Ladders and Rungs: 120 kg (250 pounds) at any point.

D. Railings and Handrails: 900 N (200 pounds) in any direction at any point.

2.2 MATERIALS

A. Structural Steel: ASTM A36.

C. Aluminum, Extruded: ASTM B221, Alloy 6063-T5 unless otherwise specified. For structural shapes use alloy 6061-T6 and alloy 6061-

T4511.

E. Steel Pipe (Bollard): ASTM A53.

1. Galvanized for exterior locations.

2. Type S, Grade A unless specified otherwise.

3. NPS (inside diameter) as shown.

F. Cast-Iron: ASTM A48, Class 30, commercial pattern.

G. Malleable Iron Castings: A47.

H. Primer Paint: As specified in Section 09 91 00, PAINTING.

I. Stainless Steel Tubing: ASTM A269, type 302 or 304.

J. Modular Channel Units:

1. Factory fabricated, channel shaped, cold formed sheet steel shapes, complete with fittings bolts and nuts required for assembly.

2. Form channel within turned pyramid shaped clamping ridges on each side.

3. Provide case hardened steel nuts with serrated grooves in the top edges designed to be inserted in the channel at any point and be given a quarter turn so as to engage the channel clamping ridges.

Provide each nut with a spring designed to hold the nut in place.

4. Factory finish channels and parts with oven baked primer when exposed to view. Channels fabricated of ASTM A525, G90 galvanized steel may have primer omitted in concealed locations. Finish screws and nuts with zinc coating.

05 50 00- 5

5. Fabricate snap-in closure plates to fit and close exposed channel openings of not more than 0.3 mm (0.0125 inch) thick stainless steel.

K. Grout: ASTM C1107, pourable type.

2.3 HARDWARE

A. Rough Hardware:

1. Furnish rough hardware with a standard plating, applied after punching, forming and assembly of parts; galvanized, cadmium plated, or zinc-coated by electro-galvanizing process. Galvanized G-90 where specified.

2. Use G90 galvanized coating on ferrous metal for exterior work unless non-ferrous metal or stainless is used.

B. Fasteners:

1. Bolts with Nuts:

a. ASME B18.2.2.

b. ASTM A307 for 415 MPa (60,000 psi) tensile strength bolts.

c. ASTM F468 for nonferrous bolts.

d. ASTM F593 for stainless steel.

2. Screws: ASME B18.6.1.

3. Washers: ASTM F436, type to suit material and anchorage.

4. Nails: ASTM F1667, Type I, style 6 or 14 for finish work.

2.4 FABRICATION GENERAL

A. Material

1. Use material as specified. Use material of commercial quality and suitable for intended purpose for material that is not named or its standard of quality not specified.

2. Use material free of defects which could affect the appearance or service ability of the finished product.

B. Size:

1. Size and thickness of members as shown.

2. When size and thickness is not specified or shown for an individual part, use size and thickness not less than that used for the same component on similar standard commercial items or in accordance with established shop methods.

C. Connections

1. Except as otherwise specified, connections may be made by welding, riveting or bolting.

05 50 00- 6

2. Field riveting will not be approved.

3. Design size, number and placement of fasteners, to develop a joint strength of not less than the design value.

4. Holes, for rivets and bolts: Accurately punched or drilled and burrs removed.

5. Size and shape welds to develop the full design strength of the parts connected by welds and to transmit imposed stresses without permanent deformation or failure when subject to service loadings.

6. Use Rivets and bolts of material selected to prevent corrosion

(electrolysis) at bimetallic contacts. Plated or coated material will not be approved.

7. Use stainless steel connectors for removable members machine screws or bolts.

D. Fasteners and Anchors

1. Use methods for fastening or anchoring metal fabrications to building construction as shown or specified.

2. Where fasteners and anchors are not shown, design the type, size, location and spacing to resist the loads imposed without deformation of the members or causing failure of the anchor or fastener, and suit the sequence of installation.

3. Use material and finish of the fasteners compatible with the kinds of materials which are fastened together and their location in the finished work.

4. Fasteners for securing metal fabrications to new construction only, may be by use of threaded or wedge type inserts or by anchors for welding to the metal fabrication for installation before the concrete is placed or as masonry is laid.

5. Fasteners for securing metal fabrication to existing construction or new construction may be expansion bolts, toggle bolts, power actuated drive pins, welding, self-drilling and tapping screws or bolts.

E. Workmanship

1.…