[SUBMITTAL INFORMATION]

DESIGN A/E NOTE - GUIDE SPECIFICATION CONVENTIONS

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SECTION 0530 00

STEEL DECKING

(Edited from DeCA September 2017 Design Criteria)

This Section specifies certain requirements and procedures pertaining to sustainable resources and construction practices that are to be performed by the Contractor.

This Section does not specify requirements for planning and design which are addressed in the DeCA Design Criteria Handbook Division 01 Section 013329, Sustainable Design Reporting that are the responsibility of the A/E.

PART 1 - GENERAL

1.1  SUMMARY

  1. Section Includes:
  2. Roof deck.
  3. Composite floor deck.
  4. Noncomposite form deck.
  5. Related Sections:
  6. Division01 Section Sustainable Design Reporting for recycled content of steel products.

1.2  SUBMITTALS

  1. Product Data:
  2. For each type of deck, accessory, and product indicated. Include Manufacturer’s certified test reports for each deck type. Include ICC-ES reports for any mechanical fasteners.
  3. LEED Submittals:
  4. Product Data for Credit MR4: For products having recycled content, documentation indicating percentages by weight of postconsumer and preconsumer recycled content. Include statement indicating cost for each product having recycled content.

"Laboratory Test Reports for CreditEQ4" Subparagraph below applies to LEED for Schools.

  1. Laboratory Test Reports for CreditEQ4: For primers, documentation indicating that products comply with the testing and product requirements of the California Department of Health Services' "Standard Practice for the Testing of Volatile Organic Emissions from Various Sources Using Small-Scale Environmental Chambers".
  2. Shop Drawings:
  3. Show layout and types of deck panels, anchorage details, reinforcing channels, pans, deck openings, special jointing, accessories, and attachments to other construction.
  4. Field quality-control test and inspection reports.
  5. Welding certificates.
  6. Sustainable Design Submittals:
  7. Product Data:
  8. For products having recycled content, documentation indicating percentages by weight of post-consumer and pre-consumer recycled content (Credit MR4.1).
  9. Include statement indicating costs for each product having recycled content.

G.  Qualification Data: for Installer and Special Inspector.

  1. Submittal List:

Reference Submittal Item Quantity Action

1.2A Product Data X R

1.2B LEED Submittals X I

1.2C Shop Drawings X R

1.2D Field Quality-Control Test and Inspection Report X R

1.2E Welding Certificate X RI

1.2F Sustainable Design Submittals X I

X Submit quantity specified in Division 01 Section Administrative Requirements.

R Review each submittal, mark to indicate action taken, and return.

I Submittal is for information or record purposes only. No action will be taken.

1.3  QUALITY ASSURANCE

  1. Installer Qualifications:
  2. An experienced installer who has completed steel deck similar in material, design, and extent to that indicated for this Project and whose work has resulted in construction with a record of successful inservice performance.
  3. Special Inspector qualifications.
  4. Special inspections for welding shall be performed under the direct supervision of a Professional Engineer registered in the State in which the project is located. The personnel performing the inspections shall be ICC-certified Structural Steel and Welding Special Inspector or an equivalent certification program.
  5. Welding:
  6. Qualify procedures and personnel according to AWSD1.1, "Structural Welding CodeSteel," and AWSD1.3, "Structural Welding CodeSheet Steel".
  7. AISI Specifications:
  8. Calculate structural characteristics of steel deck according to AISI's "Specification for the Design of ColdFormed Steel Structural Members".

1.4  DELIVERY, STORAGE, AND HANDLING

  1. Protect steel deck from corrosion, deformation, and other damage during delivery, storage, and handling. Stack steel deck on platforms or pallets and slope to provide drainage. Protect with a waterproof covering and ventilate to avoid condensation.

PART 2 - PRODUCTS

2.1  ROOF DECK

  1. Steel Roof Deck:
  2. Fabricate panels, without topflange stiffening grooves, to comply with ANSI/SDI RD-20102017, Standard For Steel Roof Deck, and the following:
  3. Galvanized Steel Sheet: ASTMA653/A653M, Structural Steel (SS), Grade33, G60 G90 zinc coating; cleaned, and pretreated for field painting.
  4. Provide deck profile, depth and thickness as indicated on the Drawings.
  5. Side Laps: As indicated on Drawings.
  6. Span Condition: Triple span or more.

Delete deck types that are not applicable to Project.

2.2  COMPOSITE FLOOR DECK

  1. Composite Steel Floor Deck:
  2. Fabricate panels, with integrally embossed or raised pattern ribs and interlocking side laps, to comply with ANSI/SDI C-20112017, Standard for Composite Steel Floor Deck-Slab, the minimum section properties indicated, and the following:
  3. Galvanized Steel Sheet: ASTMA653/A653M, Structural Steel (SS), Grade33 (230), G 60 90 zinc coating; cleaned, and pretreated for field painting.
  4. Provide deck profile, depth and thickness as indicated on the Drawings.
  5. Span Condition: Triple span or more.

2.3  NONCOMPOSITE FORM DECK

  1. Nonomposite Steel Form Deck:
  2. Noncomposite Steel Form Deck: Fabricate ribbed-steel sheet noncomposite form-deck panels to comply with ANSI/SDI NC-20112017, Standard for Non-Composite Steel Floor Deck-Slab, with the minimum section properties indicated, and with the following:
  3. Galvanized Steel Sheet: ASTMA653/A653M, Structural Steel (SS), Grade 33, G 60 90 zinc coating; cleaned, and pretreated for field painting.
  4. Provide deck profile, depth and thickness as indicated on the Drawings.
  5. Span Condition: Triple span or more.
  6. Side Laps: As indicated.

2.4  ACCESSORIES

  1. General:
  2. Provide manufacturer's standard accessory materials for deck that comply with requirements indicated.
  3. Mechanical Fasteners: Corrosionresistant, lowvelocity, poweractuated or pneumatically driven carbonsteel fasteners; or selfdrilling, selfthreading screws.
  4. SideLap Fasteners: Corrosionresistant, hexagonal washer head; selfdrilling, carbonsteel screws, No. 10 minimum diameter, unless indicated otherwise.
  5. Miscellaneous Sheet Metal Deck Accessories: Steel sheet, minimum yield strength of 33,000 psi, not less than 0.0359-inch design uncoated thickness, of same material and finish as deck; of profile indicated or required for application.
  6. Steel Sheet Accessories: Steel sheet, of same material, finish, and thickness as deck, unless otherwise indicated.
  7. Pour Stops and Girder Fillers: Steel sheet, minimum yield strength of 33,000 psi, of same material and finish as deck, and of thickness and profile recommended by SDI Publication No. 30 for overhang and slab depth.
  8. Column Closures, End Closures, ZClosures, and Cover Plates: Steel sheet, of same material, finish, and thickness as deck, unless otherwise indicated.
  9. Weld Washers: Uncoated steel sheet, shaped to fit deck rib, 0.0598 inch thick, with factorypunched hole of 5/8-inch minimum diameter.
  10. Roof Sump Receiver (Flat Sump Plate): Singlepiece steel sheet, 0.0747 inch thick, of same material and finish as deck. For drains, cut holes in the field. Exclude roof sump receiver if specified with drains under work of Division 22.
  11. Galvanizing Repair Paint: ASTM A 780.

PART 3 - EXECUTION

3.1  EXAMINATION

  1. Examine supporting frame and field conditions for compliance with requirements for installation tolerances and other conditions affecting performance of the Work.
  2. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2  INSTALLATION

  1. General:
  2. Install deck panels and accessories according to applicable ANSI/SDI deck Standards and specifications and manufacturer's written instructions, and requirements in this Section.
  3. Install temporary shoring before placing deck panels, if required to meet deflection limitations.
  4. Locate decking bundles to prevent overloading of supporting members.
  5. Place deck panels on supporting frame and adjust to final position with ends accurately aligned and bearing on supporting frame before being permanently fastened. Do not stretch or contract sidelap interlocks.
  6. Place deck panels flat and square and fasten to supporting frame without warp or deflection.
  7. Cut and neatly fit deck panels and accessories around openings and other work projecting through or adjacent to decking.
  8. Provide additional reinforcement and closure pieces at openings as required for strength, continuity of decking, and support of other work.
  9. Comply with AWS requirements and procedures for manual shielded metal arc welding, appearance and quality of welds, and methods used for correcting welding work.
  10. Locate mechanical fasteners as indicated and install according to manufacturer’s written instructions.
  11. Roof Deck Installation:
  12. Fasten roof deck panels to steel supporting members by mechanical fasteners or welding as indicated on Drawings. If welded, fasten by arc spot (puddle) welds of the surface diameter indicated or arc seam welds with an equal perimeter, but not less than 1-1/2 inches long, and as follows:
  13. Weld Diameter: 5/8 inch, nominal.
  14. Weld Spacing: as indicated on Drawings.
  15. SideLap and Perimeter Edge Fastening: Fasten side laps and perimeter edges of panels between supports, at intervals not exceeding the lesser of 1/2 of the span or 36 inches, and as follows:
  16. Mechanically fasten or button punch side laps as indicated on Drawings.
  17. Perimeter edge fastening as indicated on Drawings.
  18. End Bearing: Install deck ends over supporting frame with a minimum end bearing of 1-1/2 inches, with end joints as follows:
  19. End Joints: Lapped 2 inches minimum.
  20. Roof Plates: Install over openings provided in roof decking and weld flanges to top of deck. Space welds not more than 12 inches apart with at least 1 weld at each corner.
  21. Miscellaneous Roof Deck Accessories: Install ridge and valley plates, finish strips, cover plates, end closures, and reinforcing channels according to deck manufacturer's written instructions. Weld to substrate to provide a complete deck installation.
  22. Floor Deck Installation:
  23. Fasten floor deck panels to steel supporting members by mechanical fasteners or welding as indicated on Drawings. If welded, fasten by arc spot (puddle) welds of the surface diameter indicated and as follows:
  24. Weld Diameter: 5/8 inch, nominal.
  25. Weld Spacing: As indicated on Drawings.
  26. Side-Lap and Perimeter Edge Fastening: Fasten side laps and perimeter edges of panels between supports, and as follows:
  27. Overlap sides and weld, or fasten, as indicated on Drawings.
  28. Perimeter edge fastening as indicated on Drawings.
  29. End Bearing: Install deck ends over supporting frame with a minimum end bearing of 1-1/2 inches, with end joints as follows:
  30. End Joints: Butted.
  31. Shear Connectors: Weld shear connectors through deck to supporting frame according to AWSD1.1 and manufacturer's written instructions. Butt end joints of deck panels; do not overlap. Remove and discard arc shields after welding shear connectors.
  32. Pour Stops and Girder Fillers: Weld steel sheet pour stops and girder fillers to supporting structure according to SDI recommendations, unless otherwise indicated.
  33. Floor Deck Closures: Weld steel sheet column closures, cell closures, and Z-closures to deck, according to SDI recommendations, to provide tight-fitting closures at open ends of ribs and sides of decking. Weld cover plates at changes in direction of floor deck panels, unless otherwise indicated.
  34. Install piercing hanger tabs not more than 14 inches apart in both directions, within 9 inches of walls at ends, and not more than 12 inches from walls at sides, unless otherwise indicated.

3.3  FIELD QUALITY CONTROL

  1. General:
  2. Field quality control shall be in accordance with the Quality Control Plan, Section 01 45 00.
  3. Contractor shall engage a Special Inspector, approved by the Contracting Officer, to inspect field welds, deck layout, and all deck connections.
  4. Field welds shall be subject to inspection.
  5. In addition to visual inspection, shear connector stud welds shall be tested and inspected according to requirements in AWSD1.1 for stud welding and as follows:

1)  Bend tests shall be performed if visual inspections reveal either a lessthan- continuous 360-degree flash or welding repairs to any shear connector.

2)  Tests shall be conducted on additional shear connectors if weld fracture occurs on shear connectors already tested, according to requirements in AWSD1.1.

  1. Special Inspector shall report test results promptly and in writing to Contractor and Contracting Officer.
  2. Remove and replace work that does not comply with specified requirements.
  3. Additional testing and inspecting, at Contractor's expense, shall be performed to determine compliance of corrected work with specified requirements.

3.4  REPAIRS AND PROTECTION

  1. Galvanizing Repairs:
  2. Prepare and repair damaged galvanized coatings on both surfaces of deck with galvanized repair paint according to ASTMA780 and manufacturer's written instructions.
  3. Protection:
  4. Provide final protection and maintain conditions to ensure that steel deck is without damage or deterioration at time of final acceptance.

END OF SECTION

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STEEL DECKING

053000 - 1