051200 - Structural Steel Framing

PASSAIC COUNTY TECHNICAL INSTITUTE CCA 1422 NEW S.T.E.M. BUILDING 2017

Structural Steel Framing 051200 - 1

SECTION 051200

STRUCTURAL STEEL FRAMING

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes: 1. Structural Steel 2. Architecturally Exposed Structural Steel 3. Bolts and/or Welding 4. Shop Painting

B. Related Sections: 1. Division 01 Section “Construction Waste Management and Disposal.” 2. Division 01 Section "Quality Requirements" for independent testing agency procedures and

administrative requirements. 3. Division 05 Section "Steel Decking" for field installation of shear connectors through deck. 4. Division 05 Section "Metal Fabrications" for steel lintels and shelf angles not attached to

structural-steel frame, miscellaneous steel fabrications and other metal items not defined as structural steel.

5. Division 05 Section "Metal Stairs." 6. Division 09 painting Sections and Division 09 Section "High-Performance Coatings" for

surface-preparation and priming requirements.

1.3 DEFINITIONS

A. Structural Steel: Elements of structural-steel frame, as classified by AISC 303, "Code of Standard Practice for Steel Buildings and Bridges."

1.4 PRE-INSTALLATION MEETINGS

A. Pre-Installation Conference: Conduct conference at Project Site.

1.5 PERFORMANCE REQUIREMENTS

A. Connections: Provide details of simple shear connections and moment connections required by the Contract Documents to be selected or completed by structural-steel fabricator, including comprehensive engineering design by a qualified professional engineer, to withstand loads indicated and comply with other information and restrictions indicated. 1. Select and complete connections using general notes provided on the plans and AISC 360.



2. Engineering Responsibility: Fabricator's responsibilities include using a qualified professional engineer to prepare structural analysis data for structural-steel connections.

B. Moment Connections: Type FR, fully restrained.

C. Construction: Combined system of moment frames and braced frames.

1.6 ACTION SUBMITTALS

A. Product Data: For each type of product indicated.

B. Sustainable Product Submittals: 1. For products having recycled content, documentation indicating percentages by weight of

postconsumer and pre-consumer recycled content. Include statement indicating cost for each product having recycled content.

C. Shop Drawings: Show fabrication of structural-steel components.

D. 1. Include details of cuts, connections, splices, camber, holes, and other pertinent data. 2. Include embedment drawings. 3. Indicate welds by standard AWS symbols, distinguishing between shop and field welds, and

show size, length, and type of each weld. 4. Indicate type, size, and length of bolts, distinguishing between shop and field bolts. Identify

pre-tensioned and slip-critical high-strength bolted connections. 5. For structural-steel connections indicated to comply with design loads, include structural

analysis data signed and sealed by the qualified professional engineer responsible for their preparation.

6. Prepare shop drawings in conformance with the best standards of the construction industry, and not less complete than indicated by the applicable procedures shown in “Structural Steel Detailing,” latest edition, published by AISC. Prepare shop drawings under the supervision of competent engineering personnel, licensed by the state in which the construction is to take place. During the preparation of shop drawings, and prior to submittal, coordinate and cross check all shop drawings, including those prepared by subcontractors, for compliance with the Contract Documents. Each shop drawing shall bear the signature of the engineer in charge of structural steelwork for the steelwork subcontractor, and the initials of the individual actually preparing the drawing

7. Show clearly all work, including relationship of structural steel to the adjacent work of other trades and to significant lines of finishes of other trades.

8. Do not fabricate or deliver work to the site before drawings reviewed by the architect have been returned.

9. Show explicitly the type of connection used in each location, the grade, size and number of bolts; the type, number, position, designation and orientation of each hole; and the size of each hole, whether slotted or round. Ensure that adequate wrench clearance for correct bolt tightening is provided and note special bolt tightening sequences where necessary.

10. Prepare original shop drawings. The used of the engineer’s or architect’s drawings as a base for photographic or other reproduction for shop drawings as a base for photographic or other reproduction for shop drawings or details will not be permitted. Show clearly the size and location of each member and the erection mark assigned to each member. Show each field connection with all data and details necessary for assembling the structure. Direct special attention to the possible need for special guying, bracing, or shoring to prevent deformation of existing or new structure due to stresses caused by erection procedures and equipment, by construction loadings, and by forces of natural phenomena.

11. Prepare, keep up-to-date, and submit a complete drawing index cross-referencing each assigned piece mark with the drawing number in which the piece is detailed. Detail drawings



submitted without an up-to-date index and the applicable erection drawing(s) showing the location of each piece will be deemed an incomplete submission and will not be accepted as subject to an agreed shop drawing review schedule.

12. Prepare anchor bolt and baseplate erection drawings containing complete location and placing details, including details of all templates. Provide anchor bolt erection drawings to the concrete trade in advance of applicable concrete work and in coordination with concrete construction sequence.

13. Direct the architect’s attention in writing to any proposed deviations from the Contract Documents, prior to the submission of shop drawings showing the proposed deviation. Submit requests for deviations on the steelwork subcontractor’s letterhead. Deviations not identified, or identified only in letters of transmittal or in shop drawings or both, without the required written request, may not be accepted, and shall be sufficient cause for the architect to return each shop drawings containing such deviations without further action. Acceptance of shop drawing containing deviations not detected by the architect during shop drawing review shall not relieve the steelwork subcontractor from responsibility to conform strictly to the Contract Documents.

14. Prior to resubmission of shop drawings with additions or corrections, circle and identify all changes. Drawings submitted without each change being clearly identified are subject to return for resubmission.

15. Prior to making shop drawings for any portion of the work involving alterations to an existing structure, make all necessary field observations, measurements and surveys of existing conditions. If probes are required to accomplish such measurements, give timely notice where probes will be required.

E. Qualification Data: For qualified Installer, fabricator, professional engineer and testing agency.

F. Welding certificates.

G. Paint Compatibility Certificates: From manufacturers of topcoats applied over shop primers, certifying that shop primers are compatible with topcoats.

H. Mill test reports for structural steel, including chemical and physical properties.

I. Product Test Reports: For the following: 1. Bolts, nuts, and washers including mechanical properties and chemical analysis. 2. Direct-tension indicators. 3. Tension-control, high-strength bolt-nut-washer assemblies. 4. Shear stud connectors. 5. Shop primers. 6. Non-shrink grout.

J. Source quality-control reports.

K. Delegated-Design Submittal: For structural-steel connections indicated to comply with design loads, include analysis data signed and sealed by the qualified professional engineer responsible for their preparation.

1.7 QUALITY ASSURANCE

A. Fabricator Qualifications: A qualified fabricator that participates in the AISC Quality Certification Program and is designated an AISC-Certified Plant, Category STD.

B. Installer Qualifications: A qualified installer, who to the satisfaction of the Architect and Owner, has successfully completed similar projects in size and complexity to the proposed project, and who can provide suitable documentation to confirm this experience and capabilities. Said documentation



shall be data for recent project experience including, but not limited to; owner name and contact information, location, name and contact information for general contractor, gross area of building, use of building, contract amount, and any other information that is deemed appropriate to communicate the installer is appropriately qualified. Installer shall also provide a copy of their detailed written quality assurance plan/program. Qualified installer shall participate in the AISC Quality Certification Program and be designated an AISC-Certified Erector, Category CSE or provide a similar quality program acceptable to the Architect.

C. Welding Qualifications: Qualify procedures and personnel according to AWS D1.1/D1.1M, "Structural Welding Code - Steel."

D. Comply with applicable provisions of the following specifications and documents: 1. AISC 303. 2. AISC 360. 3. RCSC's "Specification for Structural Joints Using ASTM A 325 or A 490 Bolts."

E. Pre-installation Conference: Conduct conference at Project site.

1.8 DELIVERY, STORAGE, AND HANDLING

A. Store materials to permit easy access for inspection and identification. Keep steel members off ground and spaced by using pallets, dunnage, or other supports and spacers. Protect steel members and packaged materials from corrosion and deterioration. 1. Do not store materials on structure in a manner that might cause distortion, damage, or

overload to members or supporting structures. Repair or replace damaged materials or structures as directed.

B. Store fasteners in a protected place in sealed containers with manufacturer's labels intact. 1. Fasteners may be repackaged provided Owner's testing and inspecting agency observes

repackaging and seals containers. 2. Clean and re-lubricate bolts and nuts that become dry or rusty before use. 3. Comply with manufacturers' written recommendations for cleaning and lubricating

ASTM F 1852 fasteners and for retesting fasteners after lubrication.

1.9 COORDINATION

A. Coordinate selection of shop primers with topcoats to be applied over them. Comply with paint and coating manufacturers' recommendations to ensure that shop primers and topcoats are compatible with one another.

B. Coordinate installation of anchorage items to be embedded in or attached to other construction without delaying the Work. Provide setting diagrams, sheet metal templates, instructions, and directions for installation.

1.10 MEASUREMENTS

A. Field-Measurements: Obtain all field measurements required for proper fabrication and installation of work. Submit prior to installation, all measurements indicating discrepancies from the drawings. Describe in writing, and where applicable, by sketches proposed methods of correcting the discrepancies. Measurements are the responsibility of the contractor.

B. Lay out each part of the work in strict accordance with the architectural, structural, mechanical, electrical, plumbing and all other drawings and be responsible for correct location of the same. Lay



out from at least two pre-established benchmarks and axis lines, individually correct for length and bearing.

C. Templates: Furnish templates and layout drawings for exact locations of items to be embedded in concrete, with setting instructions required for installation of embedded items.

PART 2 - PRODUCTS

2.1 STRUCTURAL-STEEL MATERIALS

A. Recycled Content of Steel Products: Provide products with an average recycled content of steel products so postconsumer recycled content plus one-half of pre-consumer recycled content is not less than the following: 1. W-Shapes: 35 percent. 2. Channels, Angles, M, S-Shapes: 35 percent. 3. Plate and Bar: 25 percent. 4. Cold-Formed Hollow Structural Sections: 35 percent. 5. Steel Pipe: 25 percent. 6. All Other Steel Materials: 25 percent.

B. W-Shapes: ASTM A 992/A 992M.

C. Channels, Angles, M, S-Shapes: ASTM A 36/A 36M.

D. Plate and Bar: ASTM A 36/A 36M.

E. Cold-Formed Hollow Structural Sections: ASTM A 500, Grade B, structural tubing.

F. Steel Pipe: ASTM A 53/A 53M, Type E or S, Grade B. 1. Weight Class: As indicated. 2. Finish: Black except where indicated to be galvanized.

G. Steel Castings: ASTM A 216/A 216M, Grade WCB with supplementary requirement S11.

H. Steel Forgings: ASTM A 668/A 668M.

I. Welding Electrodes: Comply with AWS requirements.

2.2 BOLTS, CONNECTORS, AND ANCHORS

A. High-Strength Bolts, Nuts, and Washers: ASTM A 325 or ASTM A490; Cold forged with rolled threads. Do not use A325 and A490 bolts of the same diameter. Different grade boltS must vary in diameter by a minimum of ¼ inch. 1. Direct-Tension Indicators: ASTM F 959, Type 325 compressible-washer type with plain finish.

B. Zinc-Coated High-Strength Bolts, Nuts, and Washers: ASTM A 325 (ASTM A 325M), Type 1, heavy-hex steel structural bolts; ASTM A 563, Grade DH (ASTM A 563M, Class 10S) heavy-hex carbon-steel nuts; and ASTM F 436 (ASTM F 436M), Type 1, hardened carbon-steel washers. 1. Finish: Hot-dip zinc coating. 2. Direct-Tension Indicators: ASTM F 959, Type 325 (ASTM F 959M, Type 8.8), compressible-

washer type with mechanically deposited zinc coating, baked epoxy-coated finish.



C. Tension-Control, High-Strength Bolt-Nut-Washer Assemblies: ASTM F 1852, Type 1, round head assemblies consisting of steel structural bolts with splined ends, heavy-hex carbon-steel nuts, and hardened carbon-steel washers. 1. Finish: Plain.

D. Shear Connectors: ASTM A 108, Grades 1015 through 1020, headed-stud type, cold-finished carbon steel; AWS D1.1/D1.1M, Type B.

E. Unheaded Anchor Rods: ASTM F 1554, Grade 36. 1. Configuration: Straight or Hooked. 2. Nuts: ASTM A 563 (ASTM A 563M) heavy-hex carbon steel. 3. Plate Washers: ASTM A 36/A 36M carbon steel. 4. Washers: ASTM F 436 (ASTM F 436M), Type 1, hardened carbon steel. 5. Finish: Plain except where indicated to be hot-dip zinc coating, ASTM A 153/A 153M,

Class C.

F. Headed Anchor Rods: ASTM F 1554, Grade 36, straight. 1. Nuts: ASTM A 563 (ASTM A 563M) heavy-hex carbon steel. 2. Plate Washers: ASTM A 36/A 36M carbon steel. 3. Washers: ASTM F 436 (ASTM F 436M), Type 1, hardened carbon steel. 4. Finish: Plain.

G. Threaded Rods: ASTM A 36/A 36M. 1. Nuts: ASTM A 563 (ASTM A 563M) heavy-hex carbon steel. 2. Washers: ASTM F 436 (ASTM F 436M), Type 1, hardened carbon steel. 3. Finish: Plain except where indicated to be hot-dip zinc coating, ASTM A 153/A 153M, Class C

2.3 PRIMER

A. Primer for Steel to Receive High-Performance Coating: Primer shall be as specified in Division 9 Section “High-Performance Coatings.”

B. Primer for Other Steel: Fabricator's standard lead- and chromate-free, non-asphaltic, rust-inhibiting primer complying with MPI#79 and compatible with topcoat.

C. Galvanizing Repair Paint: ASTM A 780.

D. VOC Content: Products shall comply with VOC limits of authorities having jurisdiction [and, for interior paints and coatings applied at Project site, the following VOC limits, exclusive of colorants added to a tint base, when calculated according to 40 CFR 59, Subpart D (EPA Method 24)]. 1. Flat Paints and Coatings: 50 g/L. 2. Nonflat Paints and Coatings: 150 g/L. 3. Primers, Sealers, and Undercoaters: 200 g/L. 4. Anticorrosive and Antirust Paints Applied to Ferrous Metals: 250 g/L. 5. Zinc-Rich Industrial Maintenance Primers: 340 g/L.

2.4 GROUT

A. Metallic, Shrinkage-Resistant Grout: ASTM C 1107, factory-packaged, metallic aggregate grout, mixed with water to consistency suitable for application and a 30-minute working time.



2.5 FABRICATION

A. Structural Steel: Fabricate and assemble in shop to greatest extent possible. Fabricate according to AISC's "Code of Standard Practice for Steel Buildings and Bridges" and AISC 360. 1. Camber structural-steel members where indicated. 2. Fabricate beams with rolling camber up. 3. Identify high-strength structural steel according to ASTM A 6/A 6M and maintain markings until

structural steel has been erected. 4. Mark and match-mark materials for field assembly. 5. Complete structural-steel assemblies, including welding of units, before starting shop-priming

operations.

B. Thermal Cutting: Perform thermal cutting by machine to greatest extent possible. 1. Plane thermally cut edges to be welded to comply with requirements in AWS D1.1/D1.1M.

C. Bolt Holes: Cut, drill or punch standard bolt holes perpendicular to metal surfaces.

D. Finishing: Accurately finish ends of columns and other members transmitting bearing loads.

E. Cleaning: Clean and prepare steel surfaces that are to remain unpainted according to SSPC-SP 1, "Solvent Cleaning.”

F. Shear Connectors: Prepare steel surfaces as recommended by manufacturer of shear connectors. Use automatic end welding of headed-stud shear connectors according to AWS D1.1/D1.1M and manufacturer's written instructions.

G. Holes: Provide holes required for securing other work to structural steel and for other work to pass through steel framing members. 1. Cut, drill, or punch holes perpendicular to steel surfaces. Do not thermally cut bolt holes or

enlarge holes by burning. 2. Baseplate Holes: Cut, drill, mechanically thermal cut, or punch holes perpendicular to steel

surfaces. 3. Weld threaded nuts to framing and other specialty items indicated to receive other work.

2.6 SHOP CONNECTIONS

A. High-Strength Bolts: Shop install high-strength bolts according to RCSC's "Specification for Structural Joints Using ASTM A 325 or A 490 Bolts" for type of bolt and type of joint specified. 1. Joint Type: Snug tightened typical; Slip critical where indicated

B. Weld Connections: Comply with AWS D1.1/D1.1M for tolerances, appearances, welding procedure specifications, weld quality, and methods used in correcting welding work. 1. Assemble and weld built-up sections by methods that maintain true alignment of axes without

exceeding tolerances in AISC 303 for mill material.

2.7 SHOP APPLIED COATINGS

A. Shop prime steel surfaces except the following: 1. Surfaces embedded in concrete or mortar. Extend priming of partially embedded members to

a depth of 2 inches. 2. Surfaces to be field welded. 3. Surfaces to be high-strength bolted with slip-critical connections. 4. Surfaces to receive sprayed fire-resistive materials (applied fireproofing). 5. Surfaces receiving intumescent/tnemec coatings.



6. Galvanized surfaces.

B. Surface Preparation: Clean surfaces to be painted. Remove loose rust and mill scale and spatter, slag, or flux deposits. Prepare surfaces according to the following specifications and standards: 1. SSPC-SP 2, "Hand Tool Cleaning." 2. SSPC-SP 3, "Power Tool Cleaning."

C. Architecturally Exposed Structural Steel (AESS) Preparation: Clean surfaces to be painted. Remove loose rust and mill scale and spatter, slag, or flux deposits. Prepare surfaces according to the following specifications and standards: 1. SSPC-SP 6/NACE No. 3, "Commercial Blast Cleaning."

D. Priming: Immediately after surface preparation, apply primer according to manufacturer's written instructions and at rate recommended by SSPC to provide a minimum dry film thickness of 1.5 mils. Use priming methods that result in full coverage of joints, corners, edges, and exposed surfaces. 1. Stripe paint corners, crevices, bolts, welds, and sharp edges. 2. Apply two coats of shop paint to surfaces that are inaccessible after assembly or erection.

Change color of second coat to distinguish it from first.

E. Painting: Prepare steel and apply a one-coat, non-asphaltic primer complying with SSPC-PS Guide 7.00, "Painting System Guide 7.00: Guide for Selecting One-Coat Shop Painting Systems," to provide a dry film thickness of not less than 1.5 mils.

2.8 GALVANIZING

A. Hot-Dip Galvanized Finish: Apply zinc coating by the hot-dip process to structural steel according to ASTM A 123/A 123M. 1. Fill vent and drain holes that will be exposed in the finished Work unless they will function as

weep holes, by plugging with zinc solder and filing off smooth. 2. Galvanize lintels, shelf angles and members which are permanently exposed to weather.

2.9 SOURCE QUALITY CONTROL

A. Testing Agency: Owner will engage an independent testing and inspecting agency to perform shop tests and inspections and prepare test reports. 1. Provide testing agency with access to places where structural-steel work is being fabricated or

produced to perform tests and inspections.

B. Correct deficiencies in Work that test reports and inspections indicate does not comply with the Contract Documents.

C. Bolted Connections: Shop-bolted connections will be tested and inspected according to RCSC's "Specification for Structural Joints Using ASTM A 325 or A 490 Bolts."

D. Welded Connections: In addition to visual inspection, shop-welded connections will be tested and inspected according to AWS D1.1/D1.1M and the following inspection procedures, at testing agency's option: 1. Liquid Penetrant Inspection: ASTM E 165. 2. Magnetic Particle Inspection: ASTM E 709; performed on root pass and on finished weld.

Cracks or zones of incomplete fusion or penetration will not be accepted. 3. Ultrasonic Inspection: ASTM E 164. 4. Radiographic Inspection: ASTM E 94.



E. In addition to visual inspection, shop-welded shear connectors will be tested and inspected according to requirements in AWS D1.1/D1.1M for stud welding and as follows: 1. Bend tests will be performed if visual inspections reveal either a less-than-continuous 360-

degree flash or welding repairs to any shear connector. 2. Tests will be conducted on additional shear connectors if weld fracture occurs on shear

connectors already tested, according to requirements in AWS D1.1/D1.1M.

F. Prepare test and inspection reports.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Verify, with steel Erector present, elevations of concrete- and masonry-bearing surfaces and locations of anchor rods, bearing plates, and other embedments for compliance with requirements. 1. Prepare a certified survey of existing conditions. Include bearing surfaces, anchor rods,

bearing plates, and other embedments showing dimensions, locations, angles, and elevations.

B. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 PREPARATION

A. Provide temporary shores, guys, braces, and other supports during erection to keep structural steel secure, plumb, and in alignment against temporary construction loads and loads equal in intensity to design loads. Remove temporary supports when permanent structural steel, connections, and bracing are in place unless otherwise indicated.

3.3 ERECTION

A. Set structural steel accurately in locations and to elevations indicated and according to AISC 303 and AISC 360.

B. Base Plates: Clean concrete- and masonry-bearing surfaces of bond-reducing materials, and roughen surfaces prior to setting plates. Clean bottom surface of plates. 1. Set plates for structural members on wedges, shims, or setting nuts as required. 2. Weld plate washers to top of baseplate. 3. Snug-tighten anchor rods after supported members have been positioned and plumbed. Do

not remove wedges or shims but, if protruding, cut off flush with edge of plate before packing with grout.

4. 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.

C. Maintain erection tolerances of structural steel within AISC's "Code of Standard Practice for Steel Buildings and Bridges."

D. Align and adjust various members that form part of complete frame or structure before permanently fastening. Before assembly, clean bearing surfaces and other surfaces that will be in permanent contact with members. Perform necessary adjustments to compensate for discrepancies in elevations and alignment. 1. Level and plumb individual members of structure.



2. Make allowances for difference between temperature at time of erection and mean temperature when structure is completed and in service.

E. Splice members only where indicated.

F. Do not enlarge unfair holes in members by burning or using drift pins. Ream holes that must be enlarged to admit bolts.

G. Shear Connectors: Prepare steel surfaces as recommended by manufacturer of shear connectors. Use automatic end welding of headed-stud shear connectors according to AWS D1.1/D1.1M and manufacturer's written instructions.

3.4 FIELD CONNECTIONS

A. High-Strength Bolts: Install high-strength bolts according to RCSC's "Specification for Structural Joints Using ASTM A 325 or A 490 Bolts" for type of bolt and type of joint specified. 1. Joint Type: Snug tightened typical; slip-critical where indicated.

B. Weld Connections: Comply with AWS D1.1/D1.1M for tolerances, appearances, welding procedure specifications, weld quality, and methods used in correcting welding work. 1. Comply with AISC 303 and AISC 360 for bearing, alignment, adequacy of temporary

connections, and removal of paint on surfaces adjacent to field welds. 2. Remove backing bars or runoff tabs, back gouge, and grind steel smooth. 3. Assemble and weld built-up sections by methods that will maintain true alignment of axes

without exceeding tolerances in AISC's "Code of Standard Practice for Steel Buildings and Bridges" for mill material.

3.5 FIELD QUALITY CONTROL

A. Testing Agency: Owner will engage a qualified independent testing and inspecting agency to inspect field welds and high-strength bolted connections.

B. Bolted Connections: Bolted connections will be tested and inspected according to RCSC's "Specification for Structural Joints Using ASTM A 325 or A 490 Bolts."

C. Welded Connections: Field welds will be visually inspected according to AWS D1.1/D1.1M. 1. In addition to visual inspection, field welds will be tested and inspected according to

AWS D1.1/D1.1M and the following inspection procedures, at testing agency's option: a. Liquid Penetrant Inspection: ASTM E 165. b. Magnetic Particle Inspection: ASTM E 709; performed on root pass and on finished

weld. Cracks or zones of incomplete fusion or penetration will not be accepted. c. Ultrasonic Inspection: ASTM E 164. d. Radiographic Inspection: ASTM E 94.

D. In addition to visual inspection, test and inspect field-welded shear connectors according to requirements in AWS D1.1/D1.1M for stud welding and as follows: 1. Perform bend tests if visual inspections reveal either a less-than-continuous 360-degree flash

or welding repairs to any shear connector. 2. Conduct tests on additional shear connectors if weld fracture occurs on shear connectors

already tested, according to requirements in AWS D1.1/D1.1M.

E. Correct deficiencies in Work that test reports and inspections indicate does not comply with the Contract Documents.



3.6 REPAIRS AND PROTECTION

A. Galvanized Surfaces: Clean areas where galvanizing is damaged or missing and repair galvanizing to comply with ASTM A 780.

B. Touchup Painting: Immediately after erection, clean exposed areas where primer is damaged or missing and paint with the same material as used for shop painting to comply with SSPC-PA 1 for touching up shop-painted surfaces. 1. Clean and prepare surfaces by SSPC-SP 2 hand-tool cleaning or SSPC-SP 3 power-tool

cleaning.

C. Touchup Painting: Cleaning and touchup painting are specified in Division 09 painting Sections.

END OF SECTION


Steel Joist Framing 052100 - 1

SECTION 052100

STEEL JOIST FRAMING

PART 1 - GENERAL



1.2 SUMMARY

A. This Section includes the following:

1. K-series steel joists. 2. KCS-type K-series steel joists. 3. K-series steel joist substitutes. 4. Long-span steel joists. 5. Joist accessories.

B. Related Sections include the following:

1. Division 03 Section "Cast-in-Place Concrete" for installing bearing plates in concrete. 2. Division 04 Section "Unit Masonry" for installing bearing plates in unit masonry.

1.3 DEFINITIONS

A. SJI "Specifications": Steel Joist Institute's "Standard Specifications, Load Tables and Weight Tables for Steel Joists and Joist Girders."

B. Special Joists: Steel joists or joist girders requiring modification by manufacturer to support nonuniform, unequal, or special loading conditions that invalidate load tables in SJI's "Specifications."


A. Product Data: For each type of joist, accessory, and product.

B. Sustainable Product Submittals:

1. For products having recycled content, documentation indicating percentages by weight of postconsumer and pre-consumer recycled content. Include statement indicating cost for each product having recycled content.

C. Shop Drawings:

1. Include layout, designation, number, type, location, and spacing of joists. 2. Include joining and anchorage details, bracing, bridging, and joist accessories; splice

and connection locations and details; and attachments to other construction.



3. Indicate locations and details of bearing plates to be embedded in other construction.

1.5 INFORMATIONAL SUBMITTALS

A. Qualification Data: For manufacturer and professional engineer.

B. Welding certificates.

C. Manufacturer certificates.

D. Mill Certificates: For each type of bolt.

E. Comprehensive engineering analysis of special joists signed and sealed by the qualified professional engineer responsible for its preparation.


A. Manufacturer Qualifications: A manufacturer certified by SJI to manufacture joists complying with applicable standard specifications and load tables in SJI's "Specifications."

1. Manufacturer's responsibilities include providing professional engineering services for designing special joists to comply with performance requirements.

B. Welding Qualifications: Qualify field-welding procedures and personnel according to AWS D1.1/D1.1M, "Structural Welding Code - Steel."


A. Deliver, store, and handle joists as recommended in SJI's "Specifications."

B. Protect joists from corrosion, deformation, and other damage during delivery, storage, and handling.

1.8 SEQUENCING

A. Deliver steel bearing plates to be built into cast-in-place concrete construction.

1.9 MEASUREMENTS

A. Field Measurements: Obtain all field measurements required for proper fabrication and installation of work. Submit prior to installation, all measurements indicating discrepancies from the drawings. Describe in writing, and where applicable, by sketches proposed methods of correcting the discrepancies. Measurements are the responsibility of the contractor.

B. Lay out each part of the work in strict accordance with the architectural, structural, mechanical, electrical, plumbing and all other drawings and be responsible for correct location of the same. Lay out from at least two pre-established benchmarks and axis lines, individually correct for length and bearing.




PART 2 - PRODUCTS


A. Structural Performance: Provide special joists and connections capable of withstanding design loads indicated.

1. Use ASD; data are given at service-load level. 2. Design special joists to withstand design loads with live-load deflections no greater

than the following:

a. Roof Joists: Vertical deflection of 1/360 of the span.

B. Recycled Content of Steel Products: Postconsumer recycled content plus one-half of pre-consumer recycled content not less than 25 percent.

2.2 K-SERIES STEEL JOISTS

A. Manufacture steel joists of type indicated according to "Standard Specifications for Open Web Steel Joists, K-Series" in SJI's "Specifications," with steel-angle top- and bottom-chord members, underslung ends, and parallel top chord.

1. Joist Type: K-series steel joists and KCS-type K-series steel joists.

B. Steel Joist Substitutes: Manufacture according to "Standard Specifications for Open Web Steel Joists, K-Series" in SJI's "Specifications," with steel-angle or -channel members.

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

D. Provide holes in chord members for connecting and securing other construction to joists.

E. Top-Chord Extensions: Extend top chords of joists with SJI's Type S top-chord extensions where indicated, complying with SJI's "Specifications."

F. Extended Ends: Extend bearing ends of joists with SJI's Type R extended ends where indicated, complying with SJI's "Specifications."

G. Do not camber joists.

H. Camber joists according to SJI's "Specifications."

I. Equip bearing ends of joists with manufacturer's standard beveled ends or sloped shoes if joist slope exceeds 1/4 inch per 12 inches (1:48).

2.3 LONG-SPAN STEEL JOISTS

A. Manufacture steel joists according to "Standard Specifications for Longspan Steel Joists, LH-Series and Deep Longspan Steel Joists, DLH-Series" in SJI's "Specifications," with steel-angle top- and bottom-chord members; of joist type and end and top-chord arrangements as indicated.

1. Joist Type: DLH-series steel joists. 2. End Arrangement: Top chord bearing as indicated on plans.



3. Top-Chord Arrangement: Double Pitched, with extended ends as indicated on plans. 4. Bottom-Chord Arrangement: Bottom-chord extension (BCX) where indicated on plan.

Design connection for worst-case design moment as indicated on drawings. Bottom chord shall not be extended and connected until dead load has been applied.

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

C. Provide holes in chord members for connecting and securing other construction to joists.

D. Camber long-span steel joists according to SJI's "Specifications.

E. Equip bearing ends of joists with manufacturer's standard beveled ends or sloped shoes if joist slope exceeds 1/4 inch per 12 inches (1:48).

2.4 PRIMERS

A. Low-Emitting Materials: Paints and coatings shall 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."

B. Primer: SSPC-Paint 15, or manufacturer's standard shop primer complying with performance requirements in SSPC-Paint 15.

2.5 JOIST ACCESSORIES

A. Bridging: Provide bridging anchors and number of rows of horizontal and/or diagonal bridging of material, size, and type required by SJI's "Specifications" for type of joist, chord size, spacing, and span. Furnish additional erection bridging if required for stability.

B. Fabricate steel bearing plates with integral anchorages of sizes and thicknesses indicated.

C. Steel bearing plates with integral anchorages are specified in Division 05 Section "Metal Fabrications."

D. Supply ceiling extensions, either extended bottom-chord elements or a separate extension unit of enough strength to support ceiling construction. Extend ends to within 1/2 inch (13 mm) of finished wall surface, unless otherwise indicated.

E. Supply miscellaneous accessories, including splice plates and bolts required by joist manufacturer to complete joist installation.

2.6 CLEANING AND SHOP PAINTING

A. Clean and remove loose scale, heavy rust, and other foreign materials from fabricated joists and accessories by hand-tool cleaning, SSPC-SP 2 or power-tool cleaning, SSPC-SP 3.

B. Do not prime paint joists and accessories to receive sprayed fire-resistive materials.

C. Apply 1 coat of shop primer to joists and joist accessories to be primed to provide a continuous, dry paint film not less than 1 mil (0.025 mm) thick.



PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine supporting substrates, embedded bearing plates, and abutting structural framing for compliance with requirements for installation tolerances and other conditions affecting performance.

1. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 INSTALLATION

A. Do not install joists until supporting construction is in place and secured.

B. Install joists and accessories plumb, square, and true to line; securely fasten to supporting construction according to SJI's "Specifications," joist manufacturer's written recommendations, and requirements in this Section.

1. Before installation, splice joists delivered to Project site in more than one piece. 2. Space, adjust, and align joists accurately in location before permanently fastening. 3. Install temporary bracing and erection bridging, connections, and anchors to ensure

that joists are stabilized during construction. 4. Delay rigidly connecting bottom-chord extensions to columns or supports until dead

loads have been applied.

C. Field weld joists to supporting steel bearing plates and framework. Coordinate welding sequence and procedure with placement of joists. Comply with AWS requirements and procedures for welding, appearance and quality of welds, and methods used in correcting welding work.

D. Bolt joists to supporting steel framework using carbon-steel bolts.

E. Bolt joists to supporting steel framework using high-strength structural bolts. Comply with RCSC's "Specification for Structural Joints Using ASTM A 325 or ASTM A 490 Bolts" for high-strength structural bolt installation and tightening requirements.

F. Install and connect bridging concurrently with joist erection, before construction loads are applied. Anchor ends of bridging lines at top and bottom chords if terminating at walls or beams.


A. Testing Agency: Owner will engage a qualified independent testing and inspecting agency to inspect field welds and bolted connections and to perform field tests and inspections and prepare test and inspection reports.

B. Field welds will be visually inspected according to AWS D1.1/D1.1M.

C. In addition to visual inspection, field welds will be tested according to AWS D1.1/D1.1M and the following procedures, as applicable:

1. Radiographic Testing: ASTM E 94.



2. Magnetic Particle Inspection: ASTM E 709. 3. Ultrasonic Testing: ASTM E 164. 4. Liquid Penetrant Inspection: ASTM E 165.

D. Bolted connections will be visually inspected.

E. High-strength, field-bolted connections will be tested and verified according to procedures in RCSC's "Specification for Structural Joints Using ASTM A 325 or ASTM A 490 Bolts."

F. Correct deficiencies in Work that test and inspection reports have indicated are not in compliance with specified requirements.

G. Additional testing will be performed to determine compliance of corrected Work with specified requirements.


A. Repair damaged galvanized coatings on galvanized items with galvanized repair paint according to ASTM A 780 and manufacturer's written instructions.

B. Touchup Painting: After installation, promptly clean, prepare, and prime or re-prime field connections, rust spots, and abraded surfaces of prime-painted joists, bearing plates, abutting structural steel and accessories.

1. Clean and prepare surfaces by hand-tool cleaning, SSPC-SP 2, or power-tool cleaning, SSPC-SP 3.

2. Apply a compatible primer of same type as shop primer used on adjacent surfaces.

C. Provide final protection and maintain conditions, in a manner acceptable to manufacturer and installer that ensure that joists and accessories are without damage or deterioration at time of Substantial Completion.

END OF SECTION


Steel Decking 053100 - 1

SECTION 053100

STEEL DECKING

PART 1 - GENERAL



1.2 SUMMARY

A. This Section includes the following: 1. Roof deck. 2. Composite Floor Deck 3. Acoustical Roof Deck

B. Related Sections include the following: 1. Section 033000 "Cast-in-Place Concrete" for normal-weight and lightweight structural concrete

fill over steel deck. 2. Section 051200 "Structural Steel Framing" for shop- and field-welded shear connectors.


A. Product Data: For each type of deck, accessory, and product indicated.


postconsumer and preconsumer recycled content. Include statement indicating cost for each product having recycled content.

C. Shop Drawings: Show layout and types of deck panels, anchorage details, reinforcing channels, pans, cut deck openings, special jointing, accessories, and attachments to other construction.

1.4 INFORMATION SUBMITTALS

A. Product Certificates: For each type of steel deck, signed by product manufacturer.

B. Welding certificates.

C. Field quality-control test and inspection reports.

D. Product Test Reports: Based on evaluation of comprehensive tests performed by a qualified testing agency, indicating that each of the following complies with requirements: 1. Power-actuated mechanical fasteners. 2. Acoustical roof deck.

E. Research/Evaluation Reports: For steel deck.




A. Testing Agency Qualifications: An independent agency qualified according to ASTM E 329 for testing indicated.

B. Installer Qualifications: 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 in-service performance.

C. Welding: Qualify procedures and personnel according to AWS D1.3, "Structural Welding Code - Sheet Steel."

D. Fire-Test-Response Characteristics: Where indicated, provide steel deck units identical to those steel deck units tested for fire resistance per ASTM E 119 by a testing and inspection agency acceptable to authorities having jurisdiction. 1. Fire-Resistance Ratings: Indicated by design designations from UL's "Fire Resistance

Directory" or from the listings of another testing and inspecting agency. 2. Steel deck units shall be identified with appropriate markings of applicable testing and

inspecting agency.

E. AISI Specifications: Comply with calculated structural characteristics of steel deck according to AISI's "North American Specification for the Design of Cold-Formed Steel Structural Members.”

F. FMG Listing: Provide steel roof deck evaluated by FMG and listed in its "Approval Guide, Building Materials" for Class 1 fire rating and Class 1-90 windstorm ratings.


A. Protect steel deck from corrosion, deformation, and other damage during delivery, storage, and handling.

B. Stack steel deck on platforms or pallets and slope to provide drainage. Protect with a waterproof covering and ventilate to avoid condensation.

1.7 MEASUREMENTS






PART 2 - PRODUCTS


A. AISI Specifications: Comply with calculated structural characteristics of steel deck according to AISI's "North American Specification for the Design of Cold-Formed Steel Structural Members."

B. Fire-Resistance Ratings: Comply with ASTM E 119; testing by a qualified testing agency. Identify products with appropriate markings of applicable testing agency. 1. Indicate design designations from UL's "Fire Resistance Directory" or from the listings of

another qualified testing agency.

C. Recycled Content of Steel Products: Postconsumer recycled content plus one-half of pre-consumer recycled content not less than 35 percent.

2.2 ROOF DECK

A. Manufacturers: Subject to compliance with requirements, provide products by one of the following: 1. Canam United States; Canam Group Inc. 2. CMC Joist & Deck. 3. Consolidated Systems, Inc.; Metal Dek Group. 4. Epic Metals Corporation. 5. Marlyn Steel Decks, Inc. 6. New Millennium Building Systems, LLC. 7. Nucor Corp.; Vulcraft Group. 8. Wheeling Corrugating Company; Div. of Wheeling-Pittsburgh Steel Corporation. 9.

B. Roof Deck: Fabricate panels, without top-flange stiffening grooves, to comply with "SDI Specifications and Commentary for Steel Roof Deck," in SDI Publication No. 31, and with the following: 1. Galvanized-Steel Sheet: ASTM A 653/A 653M, Structural Steel (SS), Grade 33 (230), G60

(Z180) zinc coating. 2. Deck Profile: As indicated on the drawings. 3. Profile Depth: As indicated on the drawings; 1-1/2 inches (38 mm) minimum. 4. Design Uncoated-Steel Thickness: As indicated; 0.0358 inch (0.91 mm) minimum. 5. Span Condition: Triple span or more. 6. Side Laps: Overlapped or interlocking seam at Contractor's option and in coordination with

deck manufacturer.

2.3 COMPOSITE FLOOR DECK

A. Manufacturers: Subject to compliance with requirements, provide products by one of the following: 1. Canam United States; Canam Group Inc. 2. CMC Joist & Deck. 3. Consolidated Systems, Inc.; Metal Dek Group. 4. Epic Metals Corporation. 5. Marlyn Steel Decks, Inc. 6. New Millennium Building Systems, LLC. 7. Nucor Corp.; Vulcraft Group. 8. Wheeling Corrugating Company; Div. of Wheeling-Pittsburgh Steel Corporation.



B. Composite Floor Deck: Fabricate panels, with integrally embossed or raised pattern ribs and interlocking side laps, to comply with "SDI Specifications and Commentary for Composite Steel Floor Deck," in SDI Publication No. 31, with the minimum section properties indicated, and with the following: 1. Galvanized-Steel Sheet: ASTM A 653/A 653M, Structural Steel (SS), Grade 33 (230), G60

(Z180) zinc coating. 2. Profile Depth: As indicated on the drawings. 3. Design Uncoated-Steel Thickness: As indicated on the drawings; 0.0474 inch (1.20 mm). 4. Span Condition: Triple span or more.

2.4 ACOUSTICAL ROOF DECK

A. Manufacturers: Subject to compliance with requirements, provide products by one of the following: 1. Epic Metals Corporation.

B. Acoustic Roof Deck: Fabricate panels, without top-flange stiffening grooves, to comply with "SDI Specifications and Commentary for Steel Roof Deck," in SDI Publication No. 29, and the following: 1. Galvanized Steel Sheet: ASTM A 653/A 653M, Structural Steel (SS), Grade 33 (230), G60

(Z180) zinc coating. 2. Deck Profile: As indicated on the drawings. 3. Profile Depth: As indicated on the drawings. 4. Design Uncoated-Steel Thickness: As indicated on the drawings. 5. Span Condition: Double span or more. 6. Side Laps: Overlapped or interlocking seam at Contractor's option and in coordination with

deck manufacturer. 7. Acoustical Perforations: Deck units with manufacturer's standard perforated vertical webs 8. Sound-Absorbing Insulation: Manufacturer's standard pre-molded roll or strip glass fiber or

mineral fiber. a. Factory install sound-absorbing insulation into cells of cellular deck according to

manufacturer's written instructions. 9. Acoustical Performance: NRC 0.95, tested according to ASTM C 423.

2.5 ACCESSORIES

A. General: Provide manufacturer's standard accessory materials for deck that comply with requirements indicated.

B. Mechanical Fasteners: Corrosion-resistant, low-velocity, power-actuated or pneumatically driven carbon-steel fasteners; or self-drilling, self-threading screws.

C. Side-Lap Fasteners: Corrosion-resistant, hexagonal washer head; self-drilling, carbon-steel screws, No. 10 (4.8-mm) minimum diameter.

D. Flexible Closure Strips: Vulcanized, closed-cell, synthetic rubber.

E. Miscellaneous Sheet Metal Deck Accessories: Steel sheet, minimum yield strength of 33,000 psi (230 MPa), not less than 0.0359-inch (0.91-mm) design uncoated thickness, of same material and finish as deck; of profile indicated or required for application.

F. Pour Stops and Girder Fillers: Steel sheet, minimum yield strength of 33,000 psi (230 MPa), of same material and finish as deck, and of thickness and profile recommended by SDI Publication No. 30 for overhang and slab depth.



G. Column Closures, End Closures, Z-Closures, and Cover Plates: Steel sheet, of same material, finish, and thickness as deck, unless otherwise indicated.

H. Flat Sump Plate: Single-piece steel sheet, 0.0747 inch (1.90 mm) thick, of same material and finish as deck. For drains, cut holes in the field.

I. Galvanizing Repair Paint: ASTM A 780.

J. Repair Paint: Manufacturer's standard rust-inhibitive primer of same color as primer.

K. VOC Content: Products shall comply with VOC limits of authorities having jurisdiction [and, for interior paints and coatings applied at Project site, the following VOC limits, exclusive of colorants added to a tint base, when calculated according to 40 CFR 59, Subpart D (EPA Method 24)]. 1. Flat Paints and Coatings: 50 g/L. 2. Nonflat Paints and Coatings: 150 g/L. 3. Primers, Sealers, and Undercoaters: 200 g/L. 4. Anticorrosive and Antirust Paints Applied to Ferrous Metals: 250 g/L. 5. Zinc-Rich Industrial Maintenance Primers: 340 g/L.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine supporting frame and field conditions for compliance with requirements for installation tolerances and other conditions affecting performance.

3.2 INSTALLATION, GENERAL

A. Install deck panels and accessories according to applicable specifications and commentary in SDI Publication No. 30, manufacturer's written instructions, and requirements in this Section.

B. Install temporary shoring before placing deck panels, if required to meet deflection limitations.

C. Locate deck bundles to prevent overloading of supporting members.

D. 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 side-lap interlocks.

E. Place deck panels flat and square and fasten to supporting frame without warp or deflection.

F. Cut and neatly fit deck panels and accessories around openings and other work projecting through or adjacent to deck.

G. Provide additional reinforcement and closure pieces at openings as required for strength, continuity of deck, and support of other work.

H. Comply with AWS requirements and procedures for manual shielded metal arc welding, appearance and quality of welds, and methods used for correcting welding work.

I. Mechanical fasteners may be used in lieu of welding to fasten deck. Locate mechanical fasteners and install according to deck manufacturer's written instructions.



3.3 ROOF-DECK INSTALLATION

A. Fasten roof-deck panels to steel supporting members by arc spot (puddle) welds of the surface diameter indicated or arc seam welds with an equal perimeter that is not less than 1-1/2 inches (38 mm) long, and as follows: 1. Weld Diameter: 5/8 inch (16 mm), nominal. 2. Weld Spacing: Weld edge and interior ribs of deck units with a minimum of two welds per

deck unit at each support. Space welds 12 inches (305 mm) apart in the field of roof and 6 inches (150 mm) apart in roof corners and perimeter, based on roof-area definitions in FMG Loss Prevention Data Sheet 1-28.

3. Weld Washers: Install weld washers at each weld location as/if required based on deck gauge.

B. Side-Lap 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 18 inches (450 mm) and as follows: 1. Mechanically fasten with self-drilling, No. 10 (4.8-mm-) diameter or larger, carbon-steel

screws. 2. Fasten with a minimum of 1-1/2-inch- (38-mm-) long welds.

C. End Bearing: Install deck ends over supporting frame with a minimum end bearing of 1-1/2 inches (38 mm), with end joints as follows: 1. End Joints: Lapped 2 inches (51 mm) minimum.

D. Roof Sump Pans and Sump Plates: Install over openings provided in roof deck and weld or mechanically fasten flanges to top of deck. Space welds or mechanical fasteners not more than 12 inches (305 mm) apart with at least one weld or fastener at each corner. 1. Install reinforcing channels or zees in ribs to span between supports and weld or mechanically

fasten.

E. Miscellaneous Roof-Deck Accessories: Install ridge and valley plates, finish strips, end closures, and reinforcing channels according to deck manufacturer's written instructions. Weld or mechanically fasten to substrate to provide a complete deck installation. 1. Weld cover plates at changes in direction of roof-deck panels unless otherwise indicated.

F. Flexible Closure Strips: Install flexible closure strips over partitions, walls, and where indicated. Install with adhesive according to manufacturer's written instructions to ensure complete closure.

3.4 FLOOR-DECK INSTALLATION

A. Fasten floor-deck panels to steel supporting members by arc spot (puddle) welds of the surface diameter indicated and as follows: 1. Weld Diameter: 5/8 inch (16 mm), nominal. 2. Weld Spacing: Weld edge ribs of panels at each support. Space additional welds an average

of 12 inches (305 mm) apart, but not more than 18 inches (457 mm) apart. 3. Weld Spacing: Space and locate welds as indicated. 4. Weld Washers: Install weld washers at each weld location.

B. Side-Lap and Perimeter Edge Fastening: Fasten side laps and perimeter edges of panels between supports, at intervals not exceeding the lesser of half of the span or 36 inches (914 mm), and as follows: 1. Mechanically fasten with self-drilling, No. 10 (4.8-mm-) diameter or larger, carbon-steel

screws. 2. Fasten with a minimum of 1-1/2-inch- (38-mm-) long welds.



C. End Bearing: Install deck ends over supporting frame with a minimum end bearing of 1-1/2 inches (38 mm), with end joints as follows: 1. End Joints: Lapped or butted at Contractor's option.

D. Pour Stops and Girder Fillers: Weld steel sheet pour stops and girder fillers to supporting structure according to SDI recommendations unless otherwise indicated.

E. 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 deck.


A. Testing Agency: Owner will engage a qualified independent testing and inspecting agency to perform field tests and inspections and prepare test reports.

B. Field welds will be subject to inspection.

C. Testing agency will report inspection results promptly and in writing to Contractor and Architect.

D. Remove and replace work that does not comply with specified requirements.

E. Additional inspecting, at Contractor's expense, will be performed to determine compliance of corrected work with specified requirements.


A. Galvanizing Repairs: Prepare and repair damaged galvanized coatings on both surfaces of deck with galvanized repair paint according to ASTM A 780 and manufacturer's written instructions.

B. Provide final protection and maintain conditions to ensure that steel deck is without damage or deterioration at time of Substantial Completion.

END OF SECTION


Cold-Formed Metal Framing 054000 - 1

SECTION 054000

COLD-FORMED METAL FRAMING

PART 1 - GENERAL



1.2 SUMMARY

A. This Section includes the following:

1. Exterior non-load-bearing wall framing. 2. Ceiling joist framing. 3. Soffit framing.

B. Related Sections include the following: 1. Division 05 Section "Metal Fabrications" for masonry shelf angles and connections.

1.3 PREINSTALLATION MEETINGS

A. Preinstallation Conference: Conduct conference at Project site.


A. Product Data: For each type of cold-formed metal framing product and accessory.


postconsumer and preconsumer recycled content. Include statement indicating cost for each product having recycled content.

C. Shop Drawings: 1. Include layout, spacings, sizes, thicknesses, and types of cold-formed steel framing;

fabrication; and fastening and anchorage details, including mechanical fasteners. 2. Indicate reinforcing channels, opening framing, supplemental framing, strapping, bracing,

bridging, splices, accessories, connection details, and attachment to adjoining work. 3. For cold-formed metal framing indicated to comply with design loads, include structural

analysis data signed and sealed by the qualified professional engineer responsible for their preparation.

D. Delegated-Design Submittal: For cold-formed steel framing.

1.5 INFORMATIONAL SUBMITTALS

A. Welding certificates.



B. Qualification Data: For professional engineer.

C. Product Test Reports: For each listed product, for tests performed by a qualified testing agency: 1. Steel sheet. 2. Expansion anchors. 3. Power-actuated anchors. 4. Mechanical fasteners. 5. Vertical deflection clips. 6. Horizontal drift deflection clips 7. Miscellaneous structural clips and accessories.

D. Research/Evaluation Reports: For cold-formed metal framing.


A. Product Tests: Mill certificates or data from a qualified independent testing agency, or in-house testing with calibrated test equipment indicating steel sheet complies with requirements, including base-metal thickness, yield strength, tensile strength, total elongation, chemical requirements, ductility, and metallic-coating thickness.

B. Welding Qualifications: Qualify procedures and personnel according to the following: 1. AWS D1.1/D1.1M, “Structural Welding Code - Steel.” 2. AWS D1.3/D1.3M, “Structural Welding Code - Steel Sheet.”

C. Professional Engineer Qualifications: A professional engineer who is legally qualified to practice in jurisdiction where Project is located and who is experienced in providing engineering services of the kind indicated. Engineering services are defined as those performed for installations of cold-formed metal framing that are similar to those indicated for this Project in material, design, and extent.

D. AISI Specifications and Standards: Comply with AISI's "North American Specification for the Design of Cold-Formed Steel Structural Members" and its "Standard for Cold-Formed Steel Framing - General Provisions." 1. Comply with AISI's "Standard for Cold-Formed Steel Framing - Header Design."


A. Protect cold-formed metal framing from corrosion, deformation, and other damage during delivery, storage, and handling.

B. Store cold-formed metal framing, protect with a waterproof covering, and ventilate to avoid condensation.

1.8 MEASUREMENTS






PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Manufacturers: Subject to compliance with requirements, provide products by one of the following: 1. AllSteel & Gypsum Products, Inc. 2. California Expanded Metal Products Company. 3. ClarkWestern Building Systems, Inc. 4. Consolidated Fabricators Corp.; Building Products Division. 5. Craco Mfg., Inc. 6. Custom Stud, Inc. 7. Design Shapes in Steel. 8. Dietrich Metal Framing; a Worthington Industries Company. 9. Formetal Co. Inc. (The). 10. MarinoWARE 11. Nuconsteel; a Nucor Company. 12. Quail Run Building Materials, Inc. 13. SCAFCO Corporation. 14. Southeastern Stud & Components, Inc. 15. Steel Construction Systems. 16. Steeler, Inc. 17. Super Stud Building Products, Inc. 18. United Metal Products, Inc.


A. Delegated Design: Engage a qualified professional engineer, as defined in Section 014000 “Quality Requirements,” to design cold-formed steel framing.

B. Structural Performance: Provide cold-formed metal framing capable of withstanding design loads within limits and under conditions indicated. 1. Design Loads: As indicated on the contract documents and/or required by code. 2. Deflection Limits: Design framing systems to withstand design loads without deflections

greater than the following:

a. Component deflection limits in first eight subparagraphs below are examples only. Select deflection limits from applicable subparagraphs or insert other limits as appropriate for wall, floor, and ceiling finish materials.

b. Exterior Non-Load-Bearing Framing: Horizontal deflection of 1/480 of the wall height.

c. Ceiling Joist Framing: Vertical deflection of 1/360 of the span. 3. Design framing systems to provide for movement of framing members without damage or

overstressing, sheathing failure, connection failure, undue strain on fasteners and anchors, or other detrimental effects when subject to a maximum ambient temperature change of 120 deg F.

4. Design framing system to maintain clearances at openings, to allow for construction tolerances, and to accommodate live load deflection of primary building structure as follows: a. Upward and downward movement of 3/4 inch.

5. Design exterior non-load bearing wall framing to accommodate horizontal deflection without regard for contribution of sheathing materials.



C. Cold-Formed Steel Framing Design Standards: 1. Floor and Roof Systems: AISI S210. 2. Wall Studs: AISI S211. 3. Headers: AISI S212. 4. Lateral Design: AISI S213.

D. AISI Specifications and Standards: Unless more stringent requirements are indicated, comply with AISI S100 and AISI S200.

E. Fire-Resistance Ratings: Comply with ASTM E 119; testing by a qualified testing agency. Identify products with appropriate markings of applicable testing agency. 1. Indicate design designations from UL’s “Fire Resistance Directory” or from the listings of

another qualified testing agency.

2.3 COLD-FORMED STEEL FRAMING, GENERAL

A. Recycled Content of Steel Products: Provide products with an average recycled content of steel products so postconsumer recycled content plus one-half of preconsumer recycled content is not less than 25 percent.

B. Steel Sheet: ASTM A 1003/A 1003M, Structural Grade, Type H, metallic coated, of grade and coating weight as follows: 1. Grade: As required by structural performance. 2. Coating: G90 or equivalent.

C. Steel Sheet for Vertical Deflection or Drift Clips: ASTM A 653/A 653M, structural steel, zinc coated, of grade and coating as follows: 1. Grade: As required by structural performance. 2. Coating: G90.

2.4 EXTERIOR NON-LOAD-BEARING WALL FRAMING

A. Steel Studs: Manufacturer's standard C-shaped steel studs, of web depths indicated, punched, with stiffened flanges, and as follows: 1. Minimum Base-Metal Thickness: As required by design. 2. Flange Width: As required by design.

B. Steel Track: Manufacturer's standard U-shaped steel track, of web depths indicated, unpunched, with unstiffened flanges, and as follows: 1. Minimum Base-Metal Thickness: Matching steel studs. 2. Flange Width: 1-5/8 inches minimum

C. Vertical Deflection Clips: Manufacturer's standard bypass and head clips, capable of accommodating upward and downward vertical displacement of primary structure through positive mechanical attachment to stud web. 1. Manufacturers: Subject to compliance with requirements, available manufacturers offering

products that may be incorporated into the Work include, but are not limited to the following: a. Dietrich Metal Framing; a Worthington Industries Company. b. MarinoWARE. c. SCAFCO Corporation d. The Steel Network, Inc.

D. Single Deflection Track: Manufacturer's single, deep-leg, U-shaped steel track; unpunched, with unstiffened flanges, of web depth to contain studs while allowing free vertical movement, with flanges



designed to support horizontal and lateral loads and transfer them to the primary structure, and as follows: 1. Minimum Base-Metal Thickness: 0.0538 inch. 2. Flange Width: 1 inch plus the design gap for 1-story structures and 1 inch plus twice the

design gap for other applications.

E. Double Deflection Tracks: Manufacturer's double, deep-leg, U-shaped steel tracks, consisting of nested inner and outer tracks; unpunched, with unstiffened flanges. 1. Outer Track: Of web depth to allow free vertical movement of inner track, with flanges

designed to support horizontal and lateral loads and transfer them to the primary structure, and as follows: a. Minimum Base-Metal Thickness: 0.0538 inch. b. Flange Width: 1 inch plus the design gap for 1-story structures and 1 inch plus twice

the design gap for other applications. 2. Inner Track: Of web depth indicated, and as follows:

a. Minimum Base-Metal Thickness: 0.0538 inch b. Flange Width: Dimension equal to sum of outer deflection track flange width plus 1

inch.

F. Drift Clips: Manufacturer's standard bypass or head clips, capable of isolating wall stud from upward and downward vertical displacement and lateral drift of primary structure.

2.5 CEILING JOIST FRAMING

A. Steel Ceiling Joists: Manufacturer's standard C-shaped steel sections, of web depths indicated, punched with enlarged service holes if required, with stiffened flanges, and as follows: 1. Minimum Base-Metal Thickness: As required by design; 0.0538 inch minimum. 2. Flange Width: 1-5/8 inches, minimum.

2.6 SOFFIT FRAMING

A. Exterior Soffit Frame: Manufacturer's standard C-shaped steel sections, of web depths indicated, with stiffened flanges, and as follows: 1. Minimum Base-Metal Thickness: As required by design; 0.0538 inch minimum. 2. Flange Width: 1-5/8 inches, minimum.

2.7 FRAMING ACCESSORIES

A. Fabricate steel-framing accessories from steel sheet, ASTM A 1003/A 1003M, Structural Grade, Type H, metallic coated, of same grade and coating weight used for framing members.

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. Web stiffeners. 4. Anchor clips. 5. End clips. 6. Foundation clips. 7. Gusset plates. 8. Stud kickers, knee braces, and girts. 9. Joist hangers and end closures. 10. Hole reinforcing plates.



11. Backer plates.

2.8 ANCHORS, CLIPS, AND FASTENERS

A. Steel Shapes and Clips: ASTM A 36/A 36M, zinc coated by hot-dip process according to ASTM A 123/A 123M.

B. Anchor Bolts: ASTM F 1554, Grade 36, threaded carbon-steel hex-headed bolts and carbon-steel nuts; and flat, hardened-steel washers; zinc coated by hot-dip process according to ASTM A 153/A 153M, Class C.

C. Expansion Anchors: Fabricated from corrosion-resistant materials, with capability to sustain, without failure, a load equal to 5 times design load, as determined by testing per ASTM E 488 conducted by a qualified independent testing agency.

D. 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 design load, as determined by testing per ASTM E 1190 conducted by a qualified independent testing agency.

E. Mechanical Fasteners: ASTM C 1513, corrosion-resistant-coated, self-drilling, self-tapping steel drill screws. 1. Head Type: Low-profile head beneath sheathing, manufacturer's standard elsewhere.

F. Welding Electrodes: Comply with AWS standards.

2.9 MISCELLANEOUS MATERIALS

A. Galvanizing Repair Paint: SSPC-Paint 20 or DOD-P-21035 and ASTM A 780.

B. VOC Content: Products shall comply with VOC limits of authorities having jurisdiction [and, for interior paints and coatings applied at Project site, the following VOC limits, exclusive of colorants added to a tint base, when calculated according to 40 CFR 59, Subpart D (EPA Method 24)]. 1. Flat Paints and Coatings: 50 g/L. 2. Nonflat Paints and Coatings: 150 g/L. 3. Primers, Sealers, and Undercoaters: 200 g/L. 4. Anticorrosive and Antirust Paints Applied to Ferrous Metals: 250 g/L. 5. Zinc-Rich Industrial Maintenance Primers: 340 g/L.

C. Nonmetallic, Non-shrink Grout: Premixed, nonmetallic, noncorrosive, non-staining grout containing selected silica sands, portland cement, shrinkage-compensating agents, and plasticizing and water-reducing agents, complying with ASTM C 1107, with fluid consistency and 30-minute working time.

D. Shims: Load bearing, high-density multimonomer plastic, non-leaching.

E. Sealer Gaskets: Closed-cell neoprene foam, 1/4 inch thick, selected from manufacturer's standard widths to match width of bottom track or rim track members.



2.10 FABRICATION

A. Fabricate cold-formed metal framing and accessories plumb, square, and true to line, and with connections securely fastened, according to referenced AISI's specifications and standards, manufacturer's written instructions, and requirements in this Section. 1. Fabricate framing assemblies using jigs or templates. 2. Cut framing members by sawing or shearing; do not torch cut. 3. Fasten cold-formed metal framing members by welding, screw fastening, clinch fastening, or

riveting as standard with fabricator. Wire tying of framing members is not permitted. a. Comply with AWS D1.3 requirements and procedures for welding, appearance and

quality of welds, and methods used in correcting welding work. b. Locate mechanical fasteners and install according to Shop Drawings, with screw

penetrating joined members by not less than three exposed screw threads. 4. Fasten other materials to cold-formed metal framing by welding, bolting, or screw fastening,

according to Shop Drawings.

B. Reinforce, stiffen, and brace framing assemblies to withstand handling, delivery, and erection stresses. Lift fabricated assemblies to prevent damage or permanent distortion.

C. Fabrication Tolerances: Fabricate assemblies level, plumb, and true to line to a maximum allowable tolerance variation of 1/8 inch in 10 feet (1:960) and as follows: 1. Spacing: Space individual framing members no more than plus or minus 1/8 inch from plan

location. Cumulative error shall not exceed minimum fastening requirements of sheathing or other finishing materials.

2. Squareness: Fabricate each cold-formed metal framing assembly to a maximum out-of-square tolerance of 1/8 inch.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine supporting substrates and abutting structural framing for compliance with requirements for installation tolerances and other conditions affecting performance of the Work.

B. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 PREPARATION

A. Before sprayed fire-resistive materials are applied, attach continuous angles, supplementary framing, or tracks to structural members indicated to receive sprayed fire-resistive materials.

B. After applying sprayed fire-resistive materials, remove only as much of these materials as needed to complete installation of cold-formed framing without reducing thickness of fire-resistive materials below that are required to obtain fire-resistance rating indicated. Protect remaining fire-resistive materials from damage.

C. Install sealer gaskets to isolate the underside of wall bottom track or rim track and the top of foundation wall or slab at stud or joist locations.




A. Cold-formed metal framing may be shop or field fabricated for installation, or it may be field assembled.

B. Install cold-formed metal framing according to AISI's "Standard for Cold-Formed Steel Framing - General Provisions" and to manufacturer's written instructions unless more stringent requirements are indicated.

C. Install shop- or field-fabricated, cold-formed framing and securely anchor to supporting structure. 1. Screw, bolt, or weld wall panels at horizontal and vertical junctures to produce flush, even,

true-to-line joints with maximum variation in plane and true position between fabricated panels not exceeding 1/16 inch.

D. Install cold-formed metal framing and accessories plumb, square, and true to line, and with connections securely fastened. 1. Cut framing members by sawing or shearing; do not torch cut. 2. Fasten cold-formed metal framing members by welding, screw fastening, clinch fastening, or

riveting. Wire tying of framing members is not permitted. a. Comply with AWS D1.3 requirements and procedures for welding, appearance and

quality of welds, and methods used in correcting welding work. b. Locate mechanical fasteners and install according to Shop Drawings, and complying

with requirements for spacing, edge distances, and screw penetration.

E. Install framing members in one-piece lengths unless splice connections are indicated for track or tension members.

F. Install temporary bracing and supports to secure framing and support loads comparable in intensity to those for which structure was designed. Maintain braces and supports in place, undisturbed, until entire integrated supporting structure has been completed and permanent connections to framing are secured.

G. Do not bridge building expansion and control joints with cold-formed metal framing. Independently frame both sides of joints.

H. Install insulation, specified in Section 072100 "Thermal Insulation," in built-up exterior framing members, such as headers, sills, boxed joists, and multiple studs at openings, that are inaccessible on completion of framing work.

I. Fasten hole reinforcing plate over web penetrations that exceed size of manufacturer's standard punched openings.

J. Erection Tolerances: Install cold-formed metal framing level, plumb, and true to line to a maximum allowable tolerance variation of 1/8 inch in 10 feet (1:960) and as follows: 1. Space individual framing members no more than plus or minus 1/8 inch from plan location.

Cumulative error shall not exceed minimum fastening requirements of sheathing or other finishing materials.

3.4 EXTERIOR NON-LOAD-BEARING WALL INSTALLATION

A. Install continuous tracks sized to match studs. Align tracks accurately and securely anchor to supporting structure as indicated.

B. Fasten both flanges of studs to top and bottom track, unless otherwise indicated. Space studs as follows:



1. Stud Spacing: 16 inches, unless otherwise required by design.

C. Set studs plumb, except as needed for diagonal bracing or required for nonplumb walls or warped surfaces and similar requirements.

D. Isolate non-load-bearing steel framing from building structure to prevent transfer of vertical loads while providing lateral support. 1. Install single-leg deflection tracks and anchor to building structure. 2. Install double deep-leg deflection tracks and anchor outer track to building structure. 3. Connect vertical deflection clips to bypassing or infill studs and anchor to building structure. 4. Connect drift clips to cold formed metal framing and anchor to building structure.

E. Install horizontal bridging in wall studs, spaced in rows indicated on Shop Drawings but not more than 48 inches apart. Fasten at each stud intersection. 1. Top Bridging for Single Deflection Track: Install row of horizontal bridging within 12 inches of

single deflection track. Install a combination of bridging and stud or stud-track solid blocking of width and thickness matching studs, secured to stud webs or flanges. a. Install solid blocking at centers indicated on Shop Drawings.

2. Bridging: Proprietary bridging bars installed according to manufacturer's written instructions.

F. Install miscellaneous framing and connections, including stud kickers, web stiffeners, clip angles, continuous angles, anchors, fasteners, and stud girts, to provide a complete and stable wall-framing system.

3.5 JOIST INSTALLATION

A. Install perimeter joist track sized to match joists. Align and securely anchor or fasten track to supporting structure at corners, ends, and spacings indicated on Shop Drawings.

B. Install joists bearing on supporting frame, level, straight, and plumb; adjust to final position, brace, and reinforce. Fasten joists to both flanges of joist track. 1. Install joists over supporting frame with a minimum end bearing of 1-1/2 inches. 2. Reinforce ends and bearing points of joists with web stiffeners, end clips, joist hangers, steel

clip angles, or steel-stud sections as indicated on Shop Drawings.

C. Space joists not more than 2 inches from abutting walls, and as follows: 1. Joist Spacing: 16 inches, unless otherwise required by design.

D. Frame openings with built-up joist headers consisting of joist and joist track, nesting joists, or another combination of connected joists if indicated.

E. Install joist reinforcement at interior supports with single, short length of joist section located directly over interior support, with lapped joists of equal length to joist reinforcement, or as indicated on Shop Drawings.

F. Install bridging at intervals indicated on Shop Drawings. Fasten bridging at each joist intersection as follows: 1. Bridging: Joist-track solid blocking of width and thickness indicated, secured to joist webs.

G. Secure joists to load-bearing interior walls to prevent lateral movement of bottom flange.

H. Install miscellaneous joist framing and connections, including web stiffeners, closure pieces, clip angles, continuous angles, hold-down angles, anchors, and fasteners, to provide a complete and stable joist-framing assembly.




A. Testing: Owner will engage a qualified independent testing and inspecting agency to perform field tests and inspections and prepare test reports.

B. Field and shop welds will be subject to testing and inspecting.

C. Testing agency will report test results promptly and in writing to Contractor and Architect.

D. Remove and replace work where test results indicate that it does not comply with specified requirements.

E. Additional testing and inspecting, at Contractor's expense, will be performed to determine compliance of replaced or additional work with specified requirements.


A. Galvanizing Repairs: Prepare and repair damaged galvanized coatings on fabricated and installed cold-formed metal framing with galvanized repair paint according to ASTM A 780 and manufacturer's written instructions.

B. Provide final protection and maintain conditions, in a manner acceptable to manufacturer and Installer that ensure that cold-formed metal framing is without damage or deterioration at time of Substantial Completion.

END OF SECTION

PASSAIC COUNTY TECHNICAL INSTITUTE CCA 1422NEW S.T.E.M. BUILDING 2017

METAL FABRICATIONS 05500 - 1

SECTION 05500 - METAL FABRICATIONS

PART 1 - GENERAL

1.0 SUMMARY

A. This Section includes the following:1. Steel and aluminum ladders.2. Miscellaneous steel framing and supports.


A. Drawings and general provisions of the contract, including General and Supplementary Conditionsand Division 1 Specifications apply to this section.

1.2 SUBMITTALS

A. Product Data: For the following:1. Prefabricated building columns.2. Cast nosings and treads.3. Extruded nosings and treads.4. Grout.

B. Shop Drawings: Include plans, elevations, sections, details of installation, and attachments to otherWork.

C. Templates: For anchor bolts.

PART 2 - PRODUCTS

2.1 METALS

A. Metal Surfaces, General: Provide materials with smooth, flat surfaces without blemishes.

B. Ferrous Metals:1. Steel Plates, Shapes, and Bars: ASTM A 36/A 36M.2. Steel Tubing: Cold-formed steel tubing complying with ASTM A 500.3. Steel Pipe: ASTM A 53, standard weight (Schedule 40), unless another weight is indicated or

required by structural loads.4. Slotted Channel Framing: Cold-formed metal channels (41 by 41 mm) with flange edges

returned toward web and with (14.3-mm-) wide slotted holes in webs at (51 mm) o.c.Channels made from galvanized steel complying with ASTM A 653/A 653M, structural quality,(Grade 230), with (Z275) coating; (2-mm) nominal thickness.

5. Iron Castings: (ASTM A 47M, Grade 22010) malleable iron or (ASTM A 48M, Class 200) grayiron.

6. Concrete Inserts: Threaded or wedge type; galvanized ferrous castings, either (ASTM A 47M)malleable iron or ASTM A 27/A 27M cast steel. Provide bolts, washers, and shims as needed,hot-dip galvanized per ASTM A 153/A 153M.

2.2 PAINT

A. Shop Primer for Ferrous Metal: Fast-curing, lead- and chromate-free, universal modified-alkydprimer complying with performance requirements in FS TT-P-664 and compatible with finish paintsystems indicated.

B. Shop Primer for Ferrous Metal: SSPC-Paint 20, organic zinc-rich primer compatible with topcoat.1. Available Products: Subject to compliance with requirements, products that may be

incorporated into the Work include, but are not limited to, the following:2. Products: Subject to compliance with requirements, provide one of the following:

a. Carboline Company; Carboline 621.b. PPG Industries, Inc.; Aquapon Zinc-Rich Primer 97-670.c. Tnemec Company, Inc.; Tneme-Zinc 90-97.



d. Or approved equal.


A Nonshrink, Nonmetallic Grout: ASTM C 1107, factory-packaged, nonstaining, noncorrosive,nongaseous grout.

B Concrete Fill: Comply with requirements in Division 3 Section "Cast-in-Place Concrete" for normal-weight, air-entrained, ready-mix concrete with a minimum 28-day compressive strength of (20 MPa),unless otherwise indicated.

C. Provide aluminum abrasive insert nosing equal to Balco HS-338 at all new exterior concrete stairs.

2.4 FABRICATION

A. Connections, General: Use connections that maintain structural value of joined pieces.1. Shear and punch metals cleanly and accurately. Remove burrs.2. Weld corners and seams continuously. Use materials and methods that minimize distortion

and develop strength and corrosion resistance of base metals. Obtain fusion without undercutor overlap. Remove welding flux immediately. Finish exposed welds smooth and blended.

3. Fabricate joints that will be exposed to weather in a manner to exclude water, or provide weepholes.

4. Form exposed connections with hairline joints, flush and smooth, using concealed fastenerswhere possible. Locate joints where least conspicuous.

B. Steel Ladders: Comply with ANSI A14.3, unless otherwise indicated.1. Ladders: Comply with ASME A17.1.2. Siderails: Continuous, (12-by-64-mm) steel flat bars, with eased edges, spaced (457 mm)

apart.3. Bar Rungs: (19-mm-) diameter steel bars, spaced (300 mm) o.c.

a. Fit rungs in centerline of side rails; plug-weld and grind smooth on outer rail faces.4. Support each ladder at top and bottom and not more than (1500 mm) o.c. with welded or

bolted steel brackets. Size brackets to support design loads specified in ANSI A14.3.

2.5 FINISHES

A. Finish metal fabrications after assembly. Comply with NAAMM's "Metal Finishes Manual forArchitectural and Metal Products" for recommendations for applying and designating finishes. Shopprime ferrous-metal items not indicated to be galvanized.1 Preparation for Shop Priming: Prepare uncoated ferrous-metal surfaces to comply with SSPC-

SP 3, "Power Tool Cleaning."2 Apply shop primer to comply with SSPC-PA 1, "Paint Application Specification No. 1," for shop

painting.

PART 3 - EXECUTION

3.1 INSTALLATION

A. General: Provide anchorage devices and fasteners for securing metal fabrications to in-placeconstruction. Perform cutting, drilling, and fitting required for installing metal fabrications. Set metalfabrications accurately in location, with edges and surfaces level, plumb, and true.1. Provide temporary bracing or anchors in formwork for items that are to be built into concrete,

masonry, or similar construction.2. Fit exposed connections accurately together. Weld connections, unless otherwise indicated.

Do not weld, cut, or abrade galvanized surfaces.

B. Set bearing and leveling plates on cleaned surfaces using wedges, shims, or leveling nuts. Afterbearing members have been positioned and plumbed, tighten anchor bolts and pack with nonshrink,nonmetallic grout.

C Touch up surfaces and finishes after erection.



1. Painted Surfaces: Clean field welds, bolted connections, and abraded areas and touch uppaint with the same material as used for shop priming.

2. Galvanized Surfaces: Clean field welds, bolted connections, and abraded areas and repairgalvanizing to comply with ASTM A 780.

END OF SECTION 05500


METAL STAIRS 05510 - 1

SECTION 05510 - METAL STAIRS

PART 1 - GENERAL


A. Drawings and general provisions of the Contract, including General and Supplementary Conditionsand Division 1 Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes the following:1. Straight run, steel-framed stairs.2. Steel pipe handrails and railing systems attached to metal stairs.3. Steel pipe handrails attached to walls adjacent to metal stairs.

B. Related Sections: The following Sections contain requirements that relate to this Section.1. Division 4 Section “Masonry”.2. Division 5 Section "Pipe and Tube Railings" for pipe handrails and railing systems, not

attached to metal stairs or to walls adjacent to metal stairs.3. Division 5 Section "Structural Steel".


A. Structural Performance: Engineer, fabricate, and install steel stairs to withstand the followingstructural loads without exceeding the allowable design working stress of the materials involved,including anchors and connections. Apply each load to produce the maximum stress in eachcomponent of steel stairs.1. Treads of Steel Stairs: Capable of withstanding a uniform load of 100 lbf per sq. ft. (4.8

kN/sq. m) or a concentrated load of 300 lbf (1.35 kN) on a area of 4 sq. inches (26 sq. cm)located in the center of the tread, whichever produces the greater stress.

2. Platforms of Steel Stairs: Capable of withstanding a uniform load of 100 lbf per sq. ft. (4.8kN/sq. m).

3. Stair Framing: Capable of withstanding stresses resulting from loads specified above as wellas stresses resulting from railing system loads.

B. Structural Performance: Engineer, fabricate, and install handrails and railing systems to withstandthe following structural loads without exceeding the allowable design working stress of the materialsinvolved, including anchors and connections. Apply each load to produce the maximum stress ineach of the respective components of each metal fabrication.1. Top Rail of Guardrail Systems: Capable of withstanding the following loads applied as

indicated:a. Concentrated load of 200 lbf (890 N) applied at any point and in any direction.b. Uniform load of 50 lbf per linear foot (730 N/m) applied horizontally and concurrently

with uniform load of 100 lbf per linear foot (1460 N/m) applied vertically downward.c. Concentrated and uniform loads above need not be assumed to act concurrently.

2. Handrails Not Serving as Top Rails: Capable of withstanding the following loads applied asindicated:a. Concentrated load of 200 lbf (890 N) applied at any point and in any direction.b. Uniform load of 50 lbf per linear foot (730 N/m) applied in any direction.c. Concentrated and uniform loads above need not be assumed to act concurrently.

3. Infill Area of Guardrail Systems: Capable of withstanding a horizontal concentrated load of200 lbf (890 N) applied to one sq. ft. (0.09 sq. m) at any point in the system including panels,intermediate rails, balusters, or other elements composing the infill area.a. Above load need not be assumed to act concurrently with loads on top rails of railing

systems in determining stress on guard.



1.4 SUBMITTALS

A. General: Submit each item in this Article according to the Conditions of the Contract and Division 1Specification Sections.

B. Product data for metal stairs, prefilled metal pan stair treads, nonslip aggregates and nonslipaggregate surface finishes, cast nosings, extruded nosings, steel floor plate, paint products, andgrout.

C. Shop drawings detailing fabrication and installation of steel stairs. Include plans, elevations,sections, and details of steel stairs and their connections. Show anchorage and accessory items.Provide templates for anchors and bolts specified for installation under other sections.

1. Drawings must show all load conditions and design calculations relative to connection devices,fasteners and anchorage, as well as size and guage of of stair members. Calculations anddrawings MUST be prepared by a structural engineer lisenced in the state of New Jersey andshall be signed and sealed by this engineer.

D. Samples for initial selection of the following products, in the form of manufacturer's color charts orsections of units showing the full range of colors and patterns.

E. Samples for verification of the following products, in the form of sections of units in manufacturer'sstandard sizes. Prepare samples from same material to be used for the Work.1. Concrete-filled stair treads.2. Extruded abrasive nosings.

F. Welder certificates signed by Contractor certifying that welders comply with requirements specifiedunder the "Quality Assurance" Article.

G. Qualification data for firms and persons specified in the "Quality Assurance" Article to demonstratetheir capabilities and experience. Include list of completed projects with project names, addresses,names of architects and owners, and other information specified.


A. Fabricator Qualifications: Firm experienced in producing steel stairs similar to those indicated forthis Project with a record of successful in-service performance and with sufficient productioncapacity to produce required units without delaying the Work.

B. Installer Qualifications: Arrange for steel stair installation specified in this Section by the same firmthat fabricated them.

C. Engineer Qualifications: A professional engineer legally authorized to practice in jurisdiction whereProject is located and experienced in providing engineering services of the kind indicated that haveresulted in the installation of metal stairs (including handrails and railing systems) similar to thisProject in material, design, and extent and that have a record of successful in-service performance.

D. Welding Standards: Comply with applicable provisions of AWS D1.1 "Structural Welding Code--Steel" and AWS D1.3 "Structural Welding Code--Sheet Steel."1. Certify that each welder has satisfactorily passed AWS qualification tests for welding

processes involved and, if pertinent, has undergone recertification.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Available Manufacturers: Subject to compliance with requirements, manufacturers offeringpreassembled stair units that may be incorporated in the Work include, but are not limited to, thefollowing:1. Alfab, Inc.2. American Metal Works, Inc.3. American Stair Corp., Inc.4. The Sharon Companies, Ltd.



5. Or approved equal.

2.2 FERROUS METALS

A. Metal Surfaces, General: For surfaces exposed to view in the completed Work, provide materialsselected for their surface flatness, smoothness, and freedom from surface blemishes. Do not usematerials with exposed pitting, seam marks, roller marks, rolled trade names, roughness, or, forsteel sheet, variations in flatness exceeding those permitted by referenced standards for stretcher-leveled sheet.

B. Steel Plates, Shapes, and Bars: ASTM A 36 (ASTM A 36M).

C. Steel Tubing: Product type (manufacturing method) and as follows:1. Cold-Formed Steel Tubing: ASTM A 500.2. Hot-Formed Steel Tubing: ASTM A 501.

a. For exterior installations and where indicated, provide tubing with hot-dip galvanizedcoating per ASTM A 53.

D. Steel Pipe: ASTM A 53, standard weight (schedule 40), unless otherwise indicated, or anotherweight required by structural loads.1. Galvanized finish for exterior installations and where indicated.

E. Rolled Steel Floor Plate: ASTM A 786 (ASTM A 786M).

F. Uncoated Structural Steel Sheet: Product type (manufacturing method), quality, and grade asfollows:1. Cold-Rolled Structural Steel Sheet: ASTM A 611, grade as follows:

a. Grade A, unless otherwise indicated or required by design loading.2. Hot-Rolled Structural Steel Sheet: ASTM A 570 (ASTM A 570M), grade as follows:

a. Grade 30, unless otherwise indicated or required by design loading.

G. Uncoated Steel Sheet: Commercial quality, product type (method of manufacture) as follows:1. Cold-Rolled Steel Sheet: ASTM A 366 (ASTM A 366M).

I. Welding Rods and Bare Electrodes: Select according to AWS specifications for the metal alloy to bewelded.

2.3 FASTENERS

A. General: Provide plated fasteners complying with ASTM B 633, Class Fe/Zn 25 for electrodepositedzinc coating, for exterior use or where built into exterior walls. Select fasteners for the type, grade,and class required.

B. Bolts and Nuts: Regular hexagon-head type, ASTM A 307, Grade A (ASTM F 568, Property Class4.6), with hex nuts, ASTM A 563 (ASTM A 563M), and flat washers.

C. Machine Screws: ANSI B18.6.3 (ANSI B18.6.7M).

D. Lag Bolts: ANSI B18.2.1 (ANSI B18.2.3.8M).

E. Plain Washers: Round, carbon steel, ANSI B18.22.1 (ANSI B18.22M).

F. Lock Washers: Helical, spring type, carbon steel, ANSI B 18.21.1.

G. Expansion Anchors: Anchor bolt and sleeve assemblies of material indicated below with capabilityto sustain, without failure, a load equal to 6 times the load imposed when installed in unit masonryand equal to 4 times the load imposed when installed in concrete as determined by testing perASTM E 488 conducted by a qualified independent testing agency.1. Material: Carbon steel components zinc-plated to comply with ASTM B 633, Class Fe/Zn 5.2. Material: Group 1 alloy 304 or 316 stainless-steel bolts and nuts complying with ASTM F 593

(ASTM F 738M) and ASTM F 594 (ASTM F 836M).

2.4 PAINT



A. Shop Primer for Ferrous Metal: Fast-curing, lead- and chromate-free, universal modified-alkydprimer complying with performance requirements of FS TT-P-664, selected for good resistance tonormal atmospheric corrosion, compatibility with finish paint systems indicated, and capability toprovide a sound foundation for field-applied topcoats despite prolonged exposure.

2.5 EXTRUDED ABRASIVE NOSINGS

A. Fabricate units of material, sizes, and configurations indicated. Provide extruded aluminum unitswith abrasive filler consisting of aluminum oxide or silicon carbide grits, or a combination of both, inan epoxy-resin binder. Furnish in lengths as required to accurately fit each opening or conditions.1. Provide ribbed units, with abrasive filler strips projecting 1/16 inch (1.5 mm) above the

aluminum extrusion.

B. Available Manufacturers: Subject to compliance with requirements, manufacturers offering productsthat may be incorporated in the Work include, but are not limited to, the following:1. American Safety Tread Co., Inc.2. Balco/Metalines, Inc.3. Safe-T-Metal Co.4. Wooster Products Inc.

C. Provide anchors for embedding units in concrete, either integral or applied to units, as standard withthe manufacturer.

D. Drill for mechanical anchors with countersunk holes located not more than 4 inches (100 mm) fromends and not more than 12 inches (300 mm) o.c., evenly spaced between ends, unless otherwiseindicated. Provide closer spacing if recommended by the manufacturer.

2.6 GROUT

A. Nonshrink, Nonmetallic Grout: Factory-packaged, nonstaining, noncorrosive, nongaseous groutcomplying with ASTM C 1107. Provide grout specifically recommended by manufacturer for interiorand exterior applications.

B. Available Products: Subject to compliance with requirements, products that may be incorporated inthe Work include, but are not limited to, the following:1. Nonshrink, Nonmetallic Grouts:

a. B-6 Construction Grout; W. R. Bonsal Co.b. Diamond-Crete Grout; Concrete Service Materials Co.c. Supreme; Cormix Construction Chemicals.d. Sure-grip High Performance Grout; Dayton Superior Corp.e. Euco N-S Grout; Euclid Chemical Co.f. Five Star Grout; Five Star Products.g. Vibropruf #11; Lambert Corp.h. Crystex; L&M Construction Chemicals, Inc.i. Masterflow 928 and 713; Master Builders Technologies, Inc.j. Sealtight 588 Grout; W. R. Meadows, Inc.k. Sonogrout 14; Sonneborn Building Products--ChemRex, Inc.l. Kemset; The Spray-Cure Company.m. Or approved equal.

2.7 CONCRETE FILL AND REINFORCING MATERIALS

A. Concrete Materials and Properties: Comply with requirements of Division 3 Section "Cast-in-PlaceConcrete" for normal-weight, ready-mixed concrete with a minimum 28-day compressive strength of2,500 psi (17 MPa), unless higher strengths indicated.

B. Nonslip Aggregate Finish: Factory-packaged abrasive aggregate made from fused, aluminum-oxidegrits or crushed emery; rust-proof and nonglazing; unaffected by freezing, moisture, or cleaningmaterials.

C. Reinforcing Bars: ASTM A 615, Grade 60 (ASTM A 615M), Grade 400), unless otherwise indicated.



2.8 FABRICATION, GENERAL

A. Form steel stairs from materials of size, thickness, and shapes indicated, but not less than thatneeded to comply with performance requirements indicated. Work to dimensions indicated oraccepted on shop drawings, using proven details of fabrication and support.

B. Form exposed work true to line and level with accurate angles and surfaces and straight sharpedges.

C. Shear and punch metals cleanly and accurately.

D. Remove sharp or rough areas on exposed surfaces.

E. Ease exposed edges to a radius of approximately 1/32 inch (1 mm), unless otherwise indicated.Form bent-metal corners to smallest radius possible without causing grain separation or otherwiseimpairing work.

F. Weld corners and seams continuously to comply with the following:1. Use materials and methods that minimize distortion and develop strength and corrosion

resistance of base metals.2. Obtain fusion without undercut or overlap.3. Remove welding flux immediately.4. At exposed connections, finish exposed welds and surfaces smooth and blended so that no

roughness shows after finishing, and welded surface matches contours of adjoining surfaces.

G. Form exposed connections with hairline joints, flush and smooth, using concealed fastenerswherever possible. Use exposed fasteners of type indicated or, if not indicated, Phillips flat-head(countersunk) screws or bolts. Locate joints where least conspicuous.

H. Shop Assembly: Preassemble in shop to greatest extent possible to minimize field splicing andassembly. Use connections that maintain structural value of joined pieces. Clearly mark units forfield assembly and coordinated installation.

I. Fabricate joints that will be exposed to weather in a manner to exclude water, or provide weep holeswhere water may accumulate.

2.9 STEEL-FRAMED STAIRS

A. General: Construct stairs to conform to sizes and arrangements indicated. Join pieces together bywelding, unless otherwise indicated. Provide complete stair assemblies, including metal framing,hangers, columns, handrails, railing systems, newels, balusters, struts, clips, brackets, bearingplates, or other components necessary for the support of stairs and platforms, and as required toanchor and contain the stairs on the supporting structure.1. NAAMM Stair Standard: Comply with "Recommended Voluntary Minimum Standards for

Fixed Metal Stairs" in NAAMM "Metal Stair Manual" for class of stair designated, exceptwhere more stringent requirements are indicated.a. Commercial class, unless otherwise indicated.

2. Fabricate treads and platforms of exterior stairs to accommodate slopes to drain in finishedtraffic surfaces.

B. Stair Framing: Fabricate stringers of structural steel channels, plates, or a combination thereof, asindicated. Provide closures for exposed ends of stringers. Construct platforms of structural steelchannel headers and miscellaneous framing members as indicated. Bolt or weld headers tostringers; and bolt or weld newels and framing members to stringers and headers. If using bolts,fabricate and join so bolts are not exposed on finish surfaces.1. Where masonry walls support steel stairs, provide temporary supporting struts designed for

erecting steel stair components before installing masonry.

C. Metal Pan Risers, Subtreads, and Subplatforms: Shape metal pans for risers and subtreads toconform to configuration shown. Provide thicknesses of structural steel sheet for metal pansindicated, but not less than that required, to support total design loading.



1. Form metal pans of uncoated cold-rolled steel sheet, unless otherwise indicated.2. Form metal pans of galvanized-steel sheet.3. Directly weld risers and subtreads to stringers; locate welds on side of metal pans to be

concealed by concrete fill.4. Attach extruded abrasive nosings to pan risers. Make nosings full width of tread with noses

flush with riser faces and tread surfaces.5. At Contractor's option, provide prefabricated stair assemblies with prefilled treads consisting

of prepoured reinforced concrete fill, with nonslip aggregate finish, in welded sheet metal pan,attached to installed stringers using manufacturer's standard connection detail.

6. Provide epoxy-resin-filled treads, reinforced with glass fibers, with slip-resistant, abrasivesurface.

7. Provide subplatforms of configuration and construction indicated; if not indicated, of samemetal as risers and subtreads, in thicknesses required to support design loading. Attachsubplatform to platform framing members with welds.a. Smooth Soffit Construction: Construct subplatforms with smooth soffits.

D. Steel Floor Plate Treads and Platforms: Provide abrasive surface floor plate.1. Abrasive Surface Floor Plate: Manufacturer's standard abrasive granules, rolled into surface

of steel plate. Provide material with coefficient of friction (COF) of 0.6 or higher when testedaccording to ASTM C 1028.

2. Abrasive Surface Floor Plate: Steel plate with abrasive material metallically bonded to steelby proprietary process. Provide material with coefficient of friction (COF) of 0.6 or higherwhen tested according to ASTM C 1028.a. Products: Subject to compliance with requirements, provide one of the following:

1) Mebac, IKG Borden.2) SLIP-NOT, Molnar: W. S. Molnar Company.

3. Form treads of 1/4-inch- (6-mm-) thick steel floor plate with integral nosing and back edgestiffener. Weld steel supporting brackets to stringers and weld treads to brackets.

4. Fabricate platforms of floor plate of thickness indicated. Provide nosing matching that ontreads at all landings. Secure to platform framing members with welds.

2.10 STEEL PIPE HANDRAILS AND RAILING SYSTEMS

A. General: Fabricate pipe handrails and railing systems to comply with requirements indicated fordesign, dimensions, details, finish, and member sizes, including wall thickness of pipe, postspacings, and anchorage, but not less than that required to support structural loads.

B. Interconnect railing and handrail members by butt-welding or welding with internal connectors, atfabricator's option, unless otherwise indicated.1. At tee and cross intersections, cope ends of intersecting members to fit contour of pipe to

which end is joined, and weld all around.

C. Form changes in direction of handrails and rails as follows:1. As detailed.2. By welding in prefabricated flush elbow fittings.3. By radius bends of radius indicated.4. By flush radius bends.5. By bending.6. By any method indicated above, applicable to change of direction involved.

D. Form simple and compound curves by bending pipe in jigs to produce uniform curvature for eachrepetitive configuration required; maintain cylindrical cross section of pipe throughout entire bendwithout buckling, twisting, cracking, or otherwise deforming exposed surfaces of pipe.

E. Provide wall returns at ends of wall-mounted handrails, unless otherwise indicated.

F. Close exposed ends of pipe by welding 3/16-inch- (4.8-mm-) thick steel plate in place or withprefabricated fittings, except where clearance of end of pipe and adjoining wall surface is 1/4 inch (6mm) or less.

G. Fabricate newels of steel tubing and provide newel caps of gray-iron castings, as shown.



H. Brackets, Flanges, Fittings, and Anchors: Provide wall brackets, end closures, flanges,miscellaneous fittings, and anchors for interconnections of pipe and attachment of handrails andrailing systems to other work. Furnish inserts and other anchorage devices for connecting handrailsand railing systems to concrete or masonry work.1. Connect railing posts to stair framing by direct welding, unless otherwise indicated.

I. Fillers: Provide steel sheet or plate fillers of thickness and size indicated or required to supportstructural loads of handrails where needed to transfer wall bracket loads through wall finishes tostructural supports. Size fillers to suit wall finish thicknesses. Size fillers to produce adequatebearing to prevent bracket rotation and overstressing of substrate.

J. For galvanized handrails and railing systems, provide galvanized fittings, brackets, fasteners,sleeves, and other ferrous components.

K. For nongalvanized steel handrails and railing systems, provide nongalvanized ferrous metal fittings,brackets, fasteners, and sleeves, except galvanize anchors embedded in exterior masonry andconcrete construction.

2.11 FINISHES

A. General: Finish metal stairs after assembly.1. Comply with NAAMM "Metal Finishes Manual" for recommendations on application and

designations of finishes.

B. Preparation for Shop Priming: Prepare uncoated ferrous metal surfaces to comply with minimumrequirements indicated below for SSPC surface preparation specifications and environmentalexposure conditions of installed units:1. Exteriors (SSPC Zone 1B): SSPC SP 6 "Commercial Blast Cleaning."2. Interiors (SSPC Zone 1A): SSPC SP 3 "Power Tool Cleaning."

PART 3 - EXECUTION

3.1 PREPARATION

A. Coordinate and furnish anchorages, setting drawings, diagrams, templates, instructions, anddirections for installing anchorages, including concrete inserts, weld plates, and anchor bolts.Coordinate delivery of such items to Project site.


A. Fastening to In-Place Construction: Provide anchorage devices and fasteners where necessary forsecuring steel stairs to in-place construction; include threaded fasteners for concrete and masonryinserts, through-bolts, lag bolts, and other connectors as required.

B. Cutting, Fitting, and Placement: Perform cutting, drilling, and fitting required for installing steelstairs. Set units accurately in location, alignment, and elevation; with edges and surfaces level,plumb, true, and free of rack; and measured from established lines and levels.

C. Install steel stairs by welding stair framing to steel structure or to weld plates cast into concrete,except where otherwise indicated.

D. Provide temporary bracing or anchors in formwork for items that are to be built into concrete,masonry, or similar construction.

E. Fit exposed connections accurately together to form hairline joints. Weld connections that are not tobe left as exposed joints but cannot be shop-welded because of shipping size limitations. Do notweld, cut, or abrade the surfaces of exterior units that have been hot-dip galvanized after fabricationand are intended for bolted field connections.

F. Field Welding: Comply with the following requirements:



1. Use materials and methods that minimize distortion and develop strength and corrosionresistance of base metals.

2. Obtain fusion without undercut or overlap.3. Remove welding flux immediately.4. At exposed connections, finish exposed welds and surfaces smooth and blended so that no

roughness shows after finishing and welded surface matches contours of adjoining surfaces.

3.3 INSTALLING STEEL STAIRS WITH GROUTED BASE PLATES

A. Clean concrete and masonry bearing surfaces of bond-reducing materials and roughen to improvebond to surfaces. Clean bottom surface of base plates.

B. Set steel stair base plates on wedges or other adjustable devices. After the stairs have beenpositioned and aligned, tighten the anchor bolts. Do not remove wedges or shims, but if protruding,cut off flush with the edge of the bearing plate before packing with grout.1. Use nonmetallic, nonshrink grout, unless otherwise indicated.2. Pack grout solidly between bearing surfaces and plates to ensure that no voids remain.

3.4 INSTALLING STEEL PIPE RAILINGS AND HANDRAILS

A. Adjust handrails and railing systems prior to anchoring to ensure matching alignment at abuttingjoints. Space posts at spacing indicated or, if not indicated, as required by design loadings. Plumbposts in each direction. Secure posts and railing ends to building construction as follows:1. Anchor posts to steel by welding directly to steel supporting members.2. Anchor handrail ends into concrete and masonry with steel round flanges welded to rail ends

and anchored into wall construction with drilled-in expansion anchors.

B. Secure handrails to wall with wall brackets and end fittings. Provide bracket with 1-1/2-inch (38-mm)clearance from inside face of handrail and finished wall surface. Locate brackets as indicated or, ifnot indicated, at spacing required to support structural loads. Secure wall brackets and wall returnfittings to building construction as follows:1. Use type of bracket with flange tapped for concealed anchorage to threaded hanger bolt.2. For concrete and solid masonry anchorage, use drilled-in expansion anchor.3. For hollow masonry anchorage, use toggle bolts having square heads.

3.5 ADJUSTING AND CLEANING

A. Touchup Painting: Immediately after erection, clean field welds, bolted connections, and abradedareas of shop paint, and paint exposed areas with same material as used for shop painting tocomply with SSPC-PA 1 requirements for touching up field-painted surfaces.1. Apply by brush or spray to provide a minimum dry film thickness of 2.0 mils (0.05 mm).

B. Touchup Painting: Cleaning and touchup painting of field welds, bolted connections, and abradedareas of shop paint on steel stairs are specified in Division 9 Section "Painting."

C. For galvanized surfaces, clean welds, bolted connections, and abraded areas and apply galvanizingrepair paint to comply with ASTM A 780.



LADDERS 05515 - Page 1 of 5

SPECIFICATION SECTION 05515: LADDERS

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Aluminum access ladders.

B. Aluminum cage ladders.

1.2 RELATED SECTIONS

A. Section 05500 – Metal Fabrications: Fasteners and installation requirements used to attach

ladders to structure.

B. Section 14200 – Elevators: For pit ladders.

C. Section 15050 – Basic Electrical Materials and Methods: For electrical grounding of ladders.

1.3 REFERENCES

A. AA – Aluminum Association.

B. ASTM B 209 - Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate.

C. ASTM B 221 - Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars,

Rods, Wire, Profiles, and Tubes.

D. OSHA 1910.27 – Fixed Ladders.

1.4 SUBMITTALS

A. Submit under provisions of Section 01330.

B. Product Data: Manufacturer's data sheets on each product.

C. Shop Drawings:

1. Detail fabrication and erection of each ladder indicated. Include plans, elevations,

sections, and details of metal fabrications and their connections.

2. Provide templates for anchors and bolts specified for installation under other

Sections.

3. Provide reaction loads for each hanger and bracket.

D. Qualification Data:

1. Refer to Quality Assurance provisions for submittal requirements evidencing



experience, certifications and resources.

E. Selection Samples: For each finish specified, two complete sets of color chips representing

manufacturer's full range of available colors.

F. Verification Samples: For each finish specified, two samples, minimum size 6 inches (150

mm) square, represent actual product color.


A. Manufacturer Qualifications: A firm experienced in producing aluminum metal ladders similar

to those indicated for this Project.

1. Record of successful in-service performance.

2. Sufficient production capacity to produce required units.

3. Professional engineering competent in design and structural analysis to fabricate

ladders in compliance with industry standards and local codes.

B. Installer Qualifications: Competent and experienced firm capable of selecting fasteners and

installing ladders to attain designed operational and structural performance.

C. Product Qualification: Product design shall comply with OSHA 1910.27 minimum standards

for ladders.

D. Mock-Up: Provide a mock-up for evaluation of surface preparation techniques and application

workmanship.

1. Install ladder in area designated by Architect.

2. Do not proceed with remaining work until workmanship and installation are approved

by Architect.

3. Rework mock-up as required to produce acceptable work.


A. Store products in manufacturer's unopened packaging until ready for installation.

1.7 PROJECT CONDITIONS

A. Field Measurements: Verify dimensions by field measurement before fabrication.

1. Established Dimensions: Where field measurements cannot be made without

delaying the Work, indicate established dimensions on shop drawing submittal and

proceed with fabrication.

1.8 WARRANTY

A. A. Manufacturer has responsibility for an extended Corrective Period for work of this Section



for a period of 5 years commencing on the shipment date of the product against all the

conditions indicated below, and when notified in writing from Owner, manufacturer shall

promptly and without inconvenience and cost to Owner correct said deficiencies.

1. Defects in materials and workmanship.

2. Deterioration of material and surface performance below minimum OSHA standards

as certified by independent third party testing laboratory. Ordinary wear and tear,

unusual abuse or neglect excepted.

3. Within the warranty period, the manufacturer shall, at its option, repair, replace, or

refund the purchase price of defective ladder.

B. Manufacturer shall be notified immediately of defective products, and be given a reasonable

opportunity to inspect the goods prior to return. Manufacturer will not assume responsibility,

or compensation, for unauthorized repairs or labor. Manufacturer makes no other warranty,

expressed or implied, to the merchantability, fitness for a particular purpose, design, sale,

installation, or use, of the ladder; and shall not be liable for incidental or consequential

damages, losses of or expenses, resulting from the use of ladder products.

1.9 EXTRA MATERIALS

A. Furnish touchup kit for each type and color of paint finish provided.

PART 2 PRODUCTS

2.1 MANUFACTURERS

A. Acceptable Manufacturer: O’Keeffe’s, Inc.; 100 N Hill Drive, Suite 12, Brisbane, CA 94005.

Toll Free Tel: (888) 653-3333. Tel: (415) 824-4900. Fax: (415) 824-5900. Email:

[email protected]. Web: http://www.okeeffes.com.

B. Architect approved equal

2.2 APPLICATIONS/SCOPE

A. Fixed Access Ladder:

1. Heavy Duty Tubular Rail: Roof Hatch Ladders. See plan for locations. G.C. is

required to verify elevations from finished floor to underside of roof hatch and prepare

shop drawing for approval.

a. Model 501 as manufactured by O’Keeffe’s Inc or approved equal

2. Tubular Rail Low Parapet Access Ladder with Roof over Rail Extension.


3. Tubular Rail Low Parapet Access Ladder with Platform and Return.




4. Tubular Rail Low Parapet Access Ladder with Platform.

a. Model 503A as manufactured by O’Keeffe’s Inc or approved equal

5. Tubular Rail Low Parapet Access Ladder with Walk-through Rail Extension.


2.3 FINISHES

A. Mill finish. As extruded.

B. Clear Anodic Finish: AA-M10C22A41 Mechanical finish as fabricated. Architectural Class I,

clear coating 0.018 mm or thicker.

C. Paint. Urethane over chemically pretreated substrate.

1. Caution Yellow (RAL 1018).

2.4 MATERIALS

A. Aluminum Sheet: Alloy 5005-H34 to comply with ASTM B209.

B. Aluminum Extrusions: Alloy 6063-T6 to comply with ASTM B221.

2.5 FABRICATION

A. Rungs: Not less than 1-1/4 inches (32 mm) in section and 18–3/8 inches (467mm) long,

formed from tubular aluminum extrusions. Squared and deeply serrated on all sides.

1. Rungs shall withstand a 1,500 pound (454 kg) load without deformation or failure.

B. Channel Side Rails: Not less than 1/8 inch (3 mm) wall thickness by 3 inches (76 mm) wide.

C. Heavy Duty Tubular Side Rails: Assembled from two interlocking aluminum extrusions no less

than 1/8 inch (3 mm) wall thickness by 3 inches (76 mm) wide. Construction shall be self-

locking stainless steel fasteners, full penetration TIG welds and clean, smooth and burr-free

surfaces.

D. Walk-Through Rail and Roof Rail Extension: Not less than 3 feet 6 inches (1067 mm) above

the landing and shall be fitted with deeply serrated, square, tubular grab rails.

E. Landing Platform: 1-1/2 inches (38 mm) or greater diameter, tubular aluminum guardrails and

decks of serrated aluminum treads.

F. Ladder Safety Post: Retractable hand hold and tie off.

PART 3 EXECUTION



3.1 EXAMINATION

A. Coordinate anchorages. Furnish setting drawings, templates, and anchorage structural loads

for fastener resistance.

B. Do not begin installation until supporting structure is complete and ladder installation will not

interfere with supporting structure work.

C. If supporting structure is the responsibility of another installer, notify Architect of

unsatisfactory supporting work before proceeding.

3.2 INSTALLATION

A. Install in accordance with manufacturer's instructions and in proper relationship with adjacent

construction.

3.3 PROTECTION

A. Protect installed products until completion of project.

B. Touch-up, repair or replace damaged products before Substantial Completion.

END OF SECTION


PIPE AND TUBE RAILINGS 05521 - 1

SECTION 05521 - PIPE AND TUBE RAILINGS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS:

A. Drawings and General Providions of the Contract, including General and SupplementaryConditions and Division 1 Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes pipe and tube handrails and railings made of the following:1. Steel.

B. Related Sections:1. Division 5 Section "Metal Stairs" for steel pipe handrails and railings included with metal stairs.2. Division 9 “Painting”.

C. See Division 10 Section "Access Flooring" for handrails and railings included with access flooring.


A. Structural Performance of Handrails and Railings:1. Comply with ASTM E 985, based on testing per ASTM E 894 and ASTM E 935.2. Capable of withstanding structural loads required by ASCE 7 without exceeding allowable

design working stresses of materials involved.3. Capable of withstanding the following structural loads without exceeding the allowable design

working stress of materials involved:a. Top Rail of Guards: Concentrated load of 200 lbf (890 N) applied at any point and in

any direction, and a uniform load of 50 lbf/ft. (730 N/m) applied horizontally andconcurrently with uniform load of 100 lbf/ft. (1460 N/m) applied vertically downward.Concentrated and uniform loads need not be assumed to act concurrently.

b. Handrails Not Serving as Top Rails: Concentrated load of 200 lbf (890 N) applied atany point and in any direction, and a uniform load of 50 lbf/ft. (730 N/m) applied in anydirection. Concentrated and uniform loads need not be assumed to act concurrently.

c. Infill Area of Guards: Horizontal concentrated load of 200 lbf (890 N) applied to 1 sq. ft.(0.09 sq. m) at any point in system, including panels, intermediate rails, balusters, orother elements composing infill area. Load on infill area need not be assumed to actconcurrently with loads on top rails.

1.4 SUBMITTALS

A. Product Data: For mechanically connected handrails and railings, grout, anchoring cement, andpaint products.

B. Shop Drawings: Include plans, elevations, sections, details of installation, attachments to otherWork.1. Include structural analysis data signed and sealed by the qualified professional engineer

responsible for their preparation.

C. Samples: For each exposed finish required.

D. Test Reports: Indicating handrails and railings comply with ASTM E 985.

PART 2 - PRODUCTS

2.1 MANUFACTURERS



A. Available Manufacturers: Subject to compliance with requirements, manufacturers offering productsthat may be incorporated into the Work include, but are not limited to, the following:

B. Manufacturers: Subject to compliance with requirements, provide products by one of the following:1. Steel Pipe and Tube Railings:

a. Humane Equipment Co.b. Wagner, R & B, Inc.c. Or approved equal

2.2 METALS

A. Steel:1. Steel Pipe: ASTM A 53, Type F or Type S, Grade A, standard weight (Schedule 40), unless

another grade and weight are required by structural loads.a. Painted finish.

2. Steel Tubing: Cold-formed steel tubing, ASTM A 500, Grade A, unless another grade isrequired by structural loads.

3. Steel Plates, Shapes, and Bars: ASTM A 36/A 36M.


A. Welding Electrodes and Filler Metal: Provide type and alloy as recommended by producer of metalto be welded and as required for color match, strength, and compatibility in fabricated items.

B. Fasteners: Same basic metal as fastened metal; concealed, unless otherwise indicated orunavoidable, and standard with systems indicated.

C. Anchors: Fabricated from corrosion-resistant materials with capability to sustain, without failure, aload equal to six <6> times the load imposed when installed in unit masonry and four <4> times theload imposed when installed in concrete, as determined per ASTM E 488.

D. Shop Primers: Provide primers to comply with applicable requirements in Division 9 Section"Painting."

E. Shop Primer for Ferrous Metal: Fast-curing, lead- and chromate-free, universal modified-alkydprimer complying with performance requirements in FS TT-P-664; with good resistance to corrosion;and compatible with finish paint systems indicated.

2.4 FABRICATION

A. General: Fabricate to design, dimensions, and details indicated, but not less than that required tosupport structural loads.1. Prevent galvanic action and other forms of corrosion by insulating metals and other materials

from direct contact with incompatible materials.

B. Form changes in direction of railing members by bending, mitering, or inserting prefabricated flush-elbow fittings. See drawings for details.

C. Form curves by bending in jigs to produce uniform curvature without buckling, twisting, cracking, orotherwise deforming exposed surfaces.

D. Welded Connections: Connect handrail and railing members by welding. Cope and weld or usewelded-in fittings. Weld connections continuously.

E. Nonwelded Connections: Connect handrail and railing members with concealed mechanicalfasteners and fittings.1. Fabricate splice joints for field connection using an epoxy structural adhesive.

F. Brackets, Flanges, Fittings, and Anchors: Fabricate wall brackets, flanges, miscellaneous fittings,and anchors to connect handrails and railings to other work.



1. Cast or form metal of same material and finish as rails.2. For galvanized handrails and railings, fabricate galvanized brackets, flanges, fittings, and

anchors.

G. Close exposed ends of handrail and railing members with end fittings.

I. Provide wall returns at ends of wall-mounted handrails.

2.5 FINISHES

A. Steel:1. Shop-Primed Steel Finish: Prepare to comply with SSPC-SP 7, "Brush-off Blast Cleaning"

and apply primer. Final color to be selected by the Architect.

PART 3 - EXECUTION

3.1 INSTALLATION

A. General: Perform cutting, drilling, and fitting required to install handrails and railings. Set unitsaccurately in location, alignment, and elevation.1. Prevent galvanic action and other forms of corrosion by insulating metals and other materials

from direct contact with incompatible materials.2. Set posts plumb within a tolerance of 1/16 inch in 3 feet (2 mm in 1 m).3. Align rails so variations from level for horizontal members and from parallel with rake of steps

and ramps for sloping members do not exceed 1/4 inch in 12 feet (5 mm in 3 m).

B. Anchor posts to metal surfaces with round flanges.

C. Anchor railing ends into concrete and masonry with round flanges connected with postinstalledanchors and bolts.

D. Attach handrails to wall with wall brackets.

E. Touch up surfaces and finishes after erection.1. Painted Surfaces: Clean field welds, bolted connections, and abraded areas and touch up

paint with the same material as used for shop painting.


051200 - Structural Steel Framing

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Transcript of 051200 - Structural Steel Framing