HomeMy WebLinkAbout05 MetalsPark Grove – Cayuga Medical Center
MEDICAL OFFICE BUILDING
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HOLT Project No. 2018089
STRUCTURAL STEEL FRAMING 051200 - 1
SECTION 051200 - STRUCTURAL STEEL FRAMING
PART 1 - GENERAL
1.1 SUMMARY
A. Section Includes:
1. Structural steel.
2. Shear stud connectors, shop and field welded.
3. Shrinkage-resistant grout.
B. Related Requirements:
1. Section 053100 "Steel Decking" for field installation of shear stud connectors
through deck.
2. Section 055000 "Metal Fabrications" for steel lintels and shelf angles not
attached to structural-steel frame, miscellaneous steel fabrications, and other steel
items not defined as structural steel.
3. Section 078123 "Intumescent Fireproofing" and Section 099123 "Interior
Painting" for painting requirements.
1.2 DEFINITIONS
A. Structural Steel: Elements of the structural frame indicated on Drawings and as
described in ANSI/AISC 303.
B. Heavy Sections: Rolled and built-up sections as follows:
1. Shapes included in ASTM A6/A6M with flanges thicker than 1-1/2 inches.
2. Welded built-up members with plates thicker than 2 inches.
3. Column base plates thicker than 2 inches.
1.3 COORDINATION
A. Coordinate selection of shop primers with topcoats to be applied over them. Comply
with paint and coating manufacturers' written 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.
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MEDICAL OFFICE BUILDING
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HOLT Project No. 2018089
STRUCTURAL STEEL FRAMING 051200 - 2
1.4 PREINSTALLATION MEETINGS
A. Preinstallation Conference: Conduct conference at Project site.
1.5 ACTION SUBMITTALS
A. Product Data:
1. Structural-steel materials.
2. High-strength, bolt-nut-washer assemblies.
3. Shear stud connectors.
4. Anchor rods.
5. Threaded rods.
6. Forged-steel hardware.
7. Shop primer.
8. Galvanized-steel primer.
9. Etching cleaner.
10. Galvanized repair paint.
11. Shrinkage-resistant grout.
B. Sustainable Design Submittals:
1. Environmental Product Declaration: For each product.
2. Health Product Declaration: For each product.
3. Sourcing of Raw Materials: Corporate sustainability report for each
manufacturer.
C. Shop Drawings: Show fabrication of structural-steel components.
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. Show backing bars that are
to be removed and supplemental fillet welds where backing bars are to remain.
4. Indicate type, size, and length of bolts, distinguishing between shop and field
bolts. Identify pretensioned and slip-critical, high-strength bolted connections.
D. Welding Procedure Specifications (WPSs) and Procedure Qualification Records
(PQRs): Provide in accordance with AWS D1.1/D1.1M for each welded joint qualified
by testing, including the following:
1. Power source (constant current or constant voltage).
2. Electrode manufacturer and trade name, for demand-critical welds.
E. Delegated Design Submittal: For structural-steel connections indicated on Drawings to
comply with design loads, include analysis data signed and sealed by the qualified
professional engineer responsible for their preparation.
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MEDICAL OFFICE BUILDING
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HOLT Project No. 2018089
STRUCTURAL STEEL FRAMING 051200 - 3
1.6 INFORMATIONAL SUBMITTALS
A. Qualification Data: For Installer and fabricator.
B. Welding certificates.
C. Paint Compatibility Certificates: From manufacturers of topcoats applied over shop
primers, certifying that shop primers are compatible with topcoats.
D. Mill test reports for structural-steel materials, including chemical and physical
properties.
E. 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.
F. Survey of as-built anchor rod locations signed and sealed by a licensed surveyor.
G. Source quality-control reports.
H. Field quality-control reports.
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 BU or is
accredited by the IAS Fabricator Inspection Program for Structural Steel (Acceptance
Criteria 172).
B. Installer Qualifications: A qualified Installer who participates in the AISC Quality
Certification Program and is designated an AISC-Certified Erector, Category CSE.
C. Welding Qualifications: Qualify procedures and personnel in accordance with AWS
D1.1.
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.
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MEDICAL OFFICE BUILDING
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HOLT Project No. 2018089
STRUCTURAL STEEL FRAMING 051200 - 4
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 relubricate bolts and nuts that become dry or rusty before use.
3. Comply with manufacturers' written recommendations for cleaning and
lubricating ASTM F3125/F3125M, Grade F1852 bolt assemblies and for
retesting bolt assemblies after lubrication.
PART 2 - PRODUCTS
2.1 PERFORMANCE REQUIREMENTS
A. Comply with applicable provisions of the following specifications and documents:
1. ANSI/AISC 303.
2. ANSI/AISC 341.
3. ANSI/AISC 360.
4. RCSC's "Specification for Structural Joints Using High-Strength Bolts."
B. Connection Design Information:
1. Option 2: Fabricator's experienced steel detailer shall select or complete
connections in accordance with ANSI/AISC 303.
a. Select and complete connections using schematic details indicated and
ANSI/AISC 360.
b. Use Load and Resistance Factor Design; data are given at factored-load
level.
2. Alternatively - Option 3 and 3B: Design connections and final configuration of
member reinforcement at connections in accordance with ANSI/AISC 303 by
fabricator's qualified professional engineer.
a. Use Load and Resistance Factor Design; data are given at factored-load
level.
C. Moment Connections: Type FR, fully restrained.
D. Construction: Combined system of moment frame and braced frame.
2.2 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 preconsumer
recycled content is not less than the following:
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STRUCTURAL STEEL FRAMING 051200 - 5
1. W-Shapes: 60 percent.
2. Channels, Angles: 60 percent.
3. Plate and Bar: 25 percent.
4. Cold-Formed Hollow Structural Sections: 25 percent.
5. Steel Pipe: 25 percent.
6. All Other Steel Materials: 25 percent.
B. Structural Steel Grades: Provide material of grades as indicated on the Contract
Drawings.
C. Steel Forgings: ASTM A668.
D. Welding Electrodes: Comply with AWS requirements.
2.3 BOLTS AND CONNECTORS
A. High-Strength A325 Bolts, Nuts, and Washers: ASTM F3125/F3125M, Grade A325
(Grade A325M), Type 1, heavy-hex steel structural bolts; ASTM A563, Grade DH
(ASTM A563M, Class 10S), heavy-hex carbon-steel nuts; and ASTM F436/F436M,
Type 1, hardened carbon-steel washers; all with plain finish.
1. Direct-Tension Indicators: ASTM F959/F959M, Type 325-1 (Type 8.8-1),
compressible-washer type with plain finish.
B. High-Strength A490 Bolts, Nuts, and Washers: ASTM F3125/F3125M, Grade A490
(Grade A490M), Type 1, heavy-hex steel structural bolts or Grade F2280
tension-control, bolt-nut-washer assemblies with splined ends; ASTM A563, Grade DH
(ASTM A563M, Class 10S), heavy-hex carbon-steel nuts; and ASTM F436/F436M,
Type 1, hardened carbon-steel washers; all with plain finish.
1. Direct-Tension Indicators: ASTM F959/F959M, Type 490-1 (Type 10.9-1),
compressible-washer type with plain finish.
C. Zinc-Coated High-Strength A325 Bolts, Nuts, and Washers: ASTM F3125/F3125M,
Grade A325 (Grade A325M), Type 1, heavy-hex steel structural bolts; ASTM A563,
Grade DH (ASTM A563M, Class 10S), heavy-hex carbon-steel nuts; and ASTM
F436/F436M, Type 1, hardened carbon-steel washers.
1. Finish: Hot-dip or mechanically deposited zinc coating.
2. Direct-Tension Indicators: ASTM F959/F959M, Type 325-1 (Type 8.8-1),
compressible-washer type with [mechanically deposited zinc coating finish.
D. Tension-Control, High-Strength Bolt-Nut-Washer Assemblies: ASTM F3125/F3125M,
Grade F1852, Type 1, heavy-hex or round head assemblies, consisting of steel
structural bolts with splined ends; ASTM A563, Grade DH (ASTM A563M, Class
10S), heavy-hex carbon-steel nuts; and ASTM F436/F436M, Type 1, hardened
carbon-steel washers.
1. Finish: Plain.
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HOLT Project No. 2018089
STRUCTURAL STEEL FRAMING 051200 - 6
E. Shear Stud Connectors: ASTM A108, AISI C-1015 through C-1020, headed-stud type,
cold-finished carbon steel; AWS D1.1/D1.1M, Type B.
2.4 RODS
A. Unheaded, Headed and Threaded Anchor Rods: ASTM F1554, Grade 55, weldable.
1. Configuration: Straight.
2. Nuts: ASTM A563 (ASTM A563M) heavy-hex carbon steel.
3. Plate Washers: ASTM A36/A36M carbon steel.
4. Washers: ASTM F436 (ASTM F436M), Type 1, hardened carbon steel.
5. Finish: Plain, unless noted otherwise on the contract drawings.
2.5 PRIMER
A. Steel Primer:
1. Fabricator's standard lead- and chromate-free, nonasphaltic, rust-inhibiting
primer complying with MPI#79 and compatible with topcoat.
B. Galvanized-Steel Primer: As noted on the contract drawings.
2.6 SHRINKAGE-RESISTANT GROUT
A. Nonmetallic, Shrinkage-Resistant Grout: ASTM C1107/C1107M, factory-packaged,
nonmetallic aggregate grout, noncorrosive and nonstaining, mixed with water to
consistency suitable for application and a 30-minute working time.
2.7 FABRICATION
A. Structural Steel: Fabricate and assemble in shop to greatest extent possible. Fabricate in
accordance with ANSI/AISC 303 and to ANSI/AISC 360.
1. Camber structural-steel members where indicated.
2. Fabricate beams with rolling camber up.
3. Identify high-strength structural steel in accordance with ASTM A6/A6M and
maintain markings until structural-steel framing 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.
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STRUCTURAL STEEL FRAMING 051200 - 7
C. Bolt Holes: Cut, drill, mechanically thermal cut, or punch 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 in accordance
with SSPC-SP 2.
F. Holes: Provide holes required for securing other work to structural steel and for other
work to pass through steel members.
1. Cut, drill, or punch holes perpendicular to steel surfaces
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.
2.8 SHOP CONNECTIONS
A. High-Strength Bolts: Shop install high-strength bolts in accordance with RCSC's
"Specification for Structural Joints Using High-Strength Bolts" for type of bolt and
type of joint employed.
2.9 GALVANIZING
A. Hot-Dip Galvanized Finish: Apply zinc coating by the hot-dip process to structural
steel in accordance with ASTM A123/A123M.
1. Fill vent and drain holes that are exposed in the finished Work unless they
function as weep holes, by plugging with zinc solder and filing off smooth.
2. Galvanize lintels and shelf angles located in exterior walls and exterior exposed
structural steel.
2.10 SHOP PRIMING
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 (50 mm).
2. Surfaces to be field welded.
3. Surfaces of high-strength bolted, slip-critical connections.
4. Surfaces to receive sprayed fire-resistive materials (applied fireproofing).
5. Galvanized surfaces.
6. Surfaces enclosed in interior construction.
B. Surface Preparation of Steel: Clean surfaces to be painted. Remove loose rust and mill
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STRUCTURAL STEEL FRAMING 051200 - 8
scale and spatter, slag, or flux deposits. Prepare surfaces in accordance with the
following specifications and standards:
1. SSPC-SP 2 for typical structural steel.
2. SSPC-SP 11 at steel surfaces that will remain exposed to view without receiving
intumescent coatings.
C. Priming: Immediately after surface preparation, apply primer in accordance with
manufacturer's written instructions and at rate recommended by SSPC to provide a
minimum dry film thickness of 1.5 mils (0.038 mm). Use priming methods that result
in full coverage of joints, corners, edges, and exposed surfaces.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Verify, with certified 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 on Drawings.
3.3 ERECTION
A. Set structural steel accurately in locations and to elevations indicated and in accordance
with ANSI/AISC 303 and ANSI/AISC 360.
B. Baseplates, Bearing Plates and Leveling 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
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STRUCTURAL STEEL FRAMING 051200 - 9
plumbed. Do not remove wedges or shims but, if protruding, cut off flush with
edge of plate before packing with grout.
4. Promptly pack shrinkage-resistant 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
grouting.
C. Maintain erection tolerances of structural steel within ANSI/AISC 303.
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
are in permanent contact with members. Perform necessary adjustments to compensate
for discrepancies in elevations and alignment.
1.Level and plumb individual members of structure. Slope roof framing members
to slopes indicated on Drawings.
E. Splice members only where indicated.
F. Do not use thermal cutting during erection.
G. Do not enlarge unfair holes in members by burning or using drift pins. Ream holes that
must be enlarged to admit bolts.
3.4 FIELD CONNECTIONS
A. High-Strength Bolts: Install high-strength bolts in accordance with RCSC's
"Specification for Structural Joints Using High-Strength Bolts" for bolt and joint type
employed.
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 ANSI/AISC 303 and ANSI/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 where indicated, back gouge, and grind steel
smooth.
3. Assemble and weld built-up sections by methods that maintain true alignment of
axes without exceeding tolerances in ANSI/AISC 303 for mill material.
C. Shear Stud Connectors: Prepare steel surfaces as recommended by manufacturer of
shear connectors. Weld using end welding of headed-stud shear connectors in
accordance with AWS D1.1/D1.1M and manufacturer's written instructions.
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MEDICAL OFFICE BUILDING
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STRUCTURAL STEEL FRAMING 051200 - 10
3.5 REPAIR
A. Galvanized Surfaces: Clean areas where galvanizing is damaged or missing, and repair
galvanizing to comply with ASTM A780/A780M.
B. Touchup Painting:
1. 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.
a. Clean and prepare surfaces by SSPC-SP 2 hand-tool cleaning or SSPC-SP
3 power-tool cleaning.
C. Touchup Priming: Cleaning and touchup priming are specified in Section 099600
"High-Performance Coatings."
3.6 FIELD QUALITY CONTROL
A. Special Inspections: Owner will engage a special inspector to perform the following
special inspections:
1. Verify structural-steel materials and inspect steel frame joint details.
2. Verify weld materials and inspect welds.
3. Verify connection materials and inspect high-strength bolted connections.
B. Testing Agency: Owner will engage qualified testing agency to perform tests and
inspections.
1. Bolted Connections: Inspect and test bolted connections in accordance with
RCSC's "Specification for Structural Joints Using High-Strength Bolts."
2. Welded Connections: Visually inspect field welds in accordance with AWS
D1.1/D1.1M.
a. In addition to visual inspection, test and inspect field welds in accordance
with AWS D1.1/D1.1M and the following inspection procedures, at testing
agency's option:
1) Liquid Penetrant Inspection: ASTM E165/E165M.
2) Magnetic Particle Inspection: ASTM E709; performed on root pass
and on finished weld. Cracks or zones of incomplete fusion or
penetration are not accepted.
3) Ultrasonic Inspection: ASTM E164.
4) Radiographic Inspection: ASTM E94/E94M.
3. Shear Stud Connectors: 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:
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STRUCTURAL STEEL FRAMING 051200 - 11
a. Perform bend tests if visual inspections reveal either a less-than-continuous
360-degree flash or welding repairs to any shear connector.
b. Conduct tests according to requirements in AWS D1.1/D1.1M on
additional shear connectors if weld fracture occurs on shear connectors
already tested.
END OF SECTION 051200
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STEEL DECKING 053100 - 1
SECTION 053100 - STEEL DECKING
PART 1 - GENERAL
1.1 SUMMARY
A. Section Includes:
1. Roof deck.
2. Composite floor deck.
B. Related Requirements:
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.
3.Section 055000 "Metal Fabrications" for framing deck openings with
miscellaneous steel shapes.
1.2 ACTION SUBMITTALS
A. Product Data:
1. Roof deck.
2. Composite floor deck.
B. Shop Drawings:
1. Include layout and types of deck panels, anchorage details, reinforcing channels,
pans, cut deck openings, special jointing, accessories, and attachments to other
construction.
C. Sustainable Design Submittals:
1. Product Data: For recycled content, indicating postconsumer and preconsumer
recycled content and cost.
2. Environmental Product Declaration (EPD): For each product.
1.3 INFORMATIONAL SUBMITTALS
A.Certificates:
1. Welding certificates.
2. Product Certificates: For each type of steel deck.
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STEEL DECKING 053100 - 2
B. Test and Evaluation Reports:
1. Product Test Reports: For tests performed by a qualified testing agency,
indicating that each of the following complies with requirements:
a. Power-actuated mechanical fasteners.
2. Research Reports: For steel deck, from ICC-ES showing compliance with the
building code.
C. Qualification Statements: For welding personnel.
1.4 QUALITY ASSURANCE
A. Qualifications:
1. Welding Qualifications: Qualify procedures and personnel in accordance with
SDI QA/QC and the following welding codes:
a. AWS D1.1/D1.1M.
b. AWS D1.3/D1.3M.
1.5 DELIVERY, STORAGE, AND HANDLING
A. Protect steel deck from corrosion, deformation, and other damage during delivery,
storage, and handling.
B. Store products in accordance with SDI MOC3. Stack steel deck on platforms or pallets
and slope to provide drainage. Protect with a waterproof covering and ventilate to avoid
condensation.
PART 2 - PRODUCTS
2.1 PERFORMANCE REQUIREMENTS
A. AISI Specifications: Comply with calculated structural characteristics of steel deck in
accordance with AISI S100.
B. Fire-Resistance Ratings: Comply with ASTM E119; 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
listings of another qualified testing agency.
C. Recycled Content of Steel Products: Postconsumer recycled content plus one-half of
preconsumer recycled content not less than 25 percent.
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STEEL DECKING 053100 - 3
2.2 ROOF DECK
A. 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:
1. New Millennium Building Systems, LLC.
2. Nucor Corp.
3. Vulcraft; Nucor Vulcraft Group.
B. Roof Deck: Fabricate panels, without top-flange stiffening grooves, to comply with
SDI RD and with the following:
1. Galvanized-Steel Sheet: ASTM A653/A653M, Structural Steel (SS), G90 zinc
coating.
2. Deck Profile: As indicated.
3. Profile Depth: As indicated.
4. Design Uncoated-Steel Thickness: As indicated.
5. Span Condition: As indicated.
6.Side Laps: Overlapped.
2.3 COMPOSITE FLOOR DECK
A. 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:
1. New Millennium Building Systems, LLC.
2. Nucor Corp.
3. Vulcraft; Nucor Vulcraft Group.
B. Composite Floor Deck: Fabricate panels, with integrally embossed or raised pattern
ribs and interlocking side laps, to comply with SDI C, with the minimum section
properties indicated, and with the following:
1. Galvanized-Steel Sheet: ASTM A653/A653M, Structural Steel (SS), G60 zinc
coating.
2. Design Uncoated-Steel Thickness: As indicated.
3. Span Condition: As indicated.
2.4 ACCESSORIES
A. 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.
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STEEL DECKING 053100 - 4
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 standards for overhang and slab depth or as indicated
on the drawings.
G. Column Closures, End Closures, Z-Closures, and Cover Plates: Steel sheet, of
same material, finish, and thickness as deck unless otherwise indicated.
H. Shear Stud Connectors: ASTM A108, AISI C-1015 through C-1020,
headed-stud type, cold-finished carbon steel; AWS D1.1/D1.1M, Type B.
I. Flat Sump Plates: 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.
J. Galvanizing Repair Paint: [ASTM A780/A780M] [SSPC-Paint 20 or
MIL-P-21035B, with dry film containing a minimum of 94 percent zinc dust by
weight].
K. Repair Paint: Manufacturer's standard rust-inhibitive primer of same color as
primer.
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 of the Work.
B.Proceed with installation only after unsatisfactory conditions have been corrected.
3.2 INSTALLATION, GENERAL
A. Install deck panels and accessories in accordance with SDI C, SDI NC, and SDI RD, as
applicable; 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.
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STEEL DECKING 053100 - 5
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 in accordance with deck manufacturer's written instructions.
J. Shear Stud Connectors: Prepare steel surfaces as recommended by manufacturer of
shear connectors. Weld using end welding of headed-stud shear connectors in
accordance with AWS D1.1/D1.1M and manufacturer's written instructions.
3.3 INSTALLATION OF ROOF DECK
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: As Indicated.
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 as indicated.
B. Side-Lap and Perimeter Edge Fastening: Fasten side laps and perimeter edges of panels
between supports, at intervals not exceeding the lesser of one-half of the span or 18
inches (460 mm), and as follows:
1. Mechanically fasten with self-drilling, No. 10 (4.8-mm-) diameter or larger,
carbon-steel screws.
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 (50 mm) minimum or butted at Contractor's option.
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 (300 mm) apart with at least one weld or fastener at
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STEEL DECKING 053100 - 6
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 in accordance with 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.
3.4 INSTALLATION OF FLOOR DECK
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:
a. Weld edge ribs of panels at each support. Space additional welds an
average of 16 inches (400 mm) apart, but not more than 18 inches (460
mm) apart.
B. Side-Lap and Perimeter Edge Fastening: Fasten side laps and perimeter edges of panels
between supports, at intervals not exceeding the lesser of one-half of the span or 36
inches (1 m), 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 in accordance with SDI recommendations unless otherwise
indicated.
E. Floor-Deck Closures: Weld steel sheet column closures, cell closures, and Z-closures to
deck, in accordance with SDI recommendations, to provide tight-fitting closures at
open ends of ribs and sides of deck.
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STEEL DECKING 053100 - 7
3.5 REPAIR
A. Galvanizing Repairs: Prepare and repair damaged galvanized coatings on both surfaces
of roof deck with galvanized repair paint in accordance with ASTM A780/A780M and
manufacturer's written instructions.
3.6 FIELD QUALITY CONTROL
A. Testing Agency: Owner will engage a qualified testing agency to perform tests and
inspections.
B. Tests and Inspections:
1. Special inspections and qualification of welding special inspectors for
cold-formed steel floor and roof deck in accordance with quality-assurance
inspection requirements of SDI QA/QC.
a. Field welds will be subject to inspection.
2. Steel decking will be considered defective if it does not pass tests and
inspections.
3. Shear Stud Connectors: In addition to visual inspection, test and inspect
field-welded shear connectors in accordance with requirements in AWS
D1.1/D1.1M for stud welding and as follows:
a. Perform bend tests if visual inspections reveal either a less-than-continuous
360-degree flash or welding repairs to any shear connector.
C. Prepare test and inspection reports.
END OF SECTION 053100
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COLD-FORMED METAL FRAMING 054000 - 1
SECTION 054000 - COLD-FORMED METAL 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. Load-bearing wall framing.
2. Exterior non-load-bearing wall framing.
3. Interior non-load-bearing wall framing.
4. Roof rafter framing.
5. Ceiling joist framing.
6. Soffit framing.
B. Related Requirements:
1. Section 055000 "Metal Fabrications" for miscellaneous steel shapes, masonry
shelf angles, and connections used with cold-formed metal framing.
2. Section 092116.23 "Gypsum Board Shaft Wall Assemblies" for interior
non-load-bearing, metal-stud-framed, shaft-wall assemblies, with height
limitations.
3. Section 092216 "Non-Structural Metal Framing" for standard, interior
non-load-bearing, metal-stud framing, with height limitations and
ceiling-suspension assemblies.
1.3 PREINSTALLATION MEETINGS
A. Preinstallation Conference: Conduct conference at Project site.
1.4 ACTION SUBMITTALS
A. Product Data: For the following:
1. Cold-formed steel framing materials.
2. Load-bearing wall framing.
3. Exterior non-load-bearing wall framing.
4. Interior non-load-bearing wall framing.
5. Vertical deflection clips.
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COLD-FORMED METAL FRAMING 054000 - 2
6. Single deflection track.
7. Double deflection track.
8. Drift clips.
9. Roof-rafter framing.
10. Ceiling joist framing.
11. Soffit framing.
12. Post-installed anchors.
13. Power-actuated anchors.
14. Sill sealer gasket.
B. Sustainable Design Submittals:
1. Product Data: For recycled content, indicating postconsumer and preconsumer
recycled content and cost.
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.
D. Delegated-Design Submittal: For cold-formed steel framing.
1.5 INFORMATIONAL SUBMITTALS
A. Qualification Data: For testing agency.
B. Welding certificates.
C. Product Certificates: For each type of code-compliance certification for studs and
tracks.
D. Product Test Reports: For each listed product, for tests performed by manufacturer and
witnessed 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.
E. Research Reports:
1. For nonstandard cold-formed steel framing, post-installed anchors, and
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COLD-FORMED METAL FRAMING 054000 - 3
power-actuated fasteners, from ICC-ES or other qualified testing agency
acceptable to authorities having jurisdiction.
2. For sill sealer gasket, showing compliance with ICC-ES AC380.
1.6 QUALITY ASSURANCE
A. Testing Agency Qualifications: Qualified according to ASTM E329 for testing
indicated.
B. Product Tests: Mill certificates or data from a qualified independent testing
agency, indicating steel sheet complies with requirements, including base-metal
thickness, yield strength, tensile strength, total elongation, chemical requirements, and
metallic-coating thickness.
C. Code-Compliance Certification of Studs and Tracks: Provide documentation that
framing members are certified according to the product-certification program of the
Steel Framing Industry Association or the Steel Stud Manufacturers Association.
D. 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 - Sheet Steel."
PART 2 - PRODUCTS
2.1 MANUFACTURERS
A. 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:
1. AllSteel & Gypsum Products, Inc.
2. CEMCO; California Expanded Metal Products Co.
3. ClarkDietrich.
4. Nuconsteel, A Nucor Company.
5. SCAFCO Steel Stud Company.
6. The Steel Network, Inc.
2.2 PERFORMANCE REQUIREMENTS
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 steel framing capable of withstanding
design loads within limits and under conditions indicated.
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COLD-FORMED METAL FRAMING 054000 - 4
1. Design Loads: As indicated on Drawings.
2. Deflection Limits: Design framing systems to withstand design loads without
deflections greater than those indicated on Drawings.
3. Design framing systems to provide for movement of framing members located
outside the insulated building envelope 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 (67 deg C).
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 1 inch (25 mm).
5. Design exterior non-load-bearing wall framing to accommodate horizontal
deflection without regard for contribution of sheathing materials.
C. Cold-Formed Steel Framing Standards: Unless more stringent requirements are
indicated, framing shall comply with AISI S100, AISI S200, and the following:
1. Floor and Roof Systems: AISI S210.
2. Wall Studs: AISI S211.
3. Headers: AISI S212.
D. Fire-Resistance Ratings: Comply with ASTM E119; 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 acceptable to authorities having
jurisdiction.
2.3 COLD-FORMED STEEL FRAMING MATERIALS
A. Recycled Content of Steel Products: Postconsumer recycled content plus one-half of
preconsumer recycled content not less than 25 percent.
B. Steel Sheet: ASTM A1003/A1003M, Structural Grade, Type H, metallic coated, of
grade and coating designation as follows:
1. Grade: ST50H (ST340H).
2. Coating: G60 (Z180) at interior conditions, G90 (Z275) outside the building
thermal envelope.
C. Steel Sheet for Vertical Deflection and Drift Clips: ASTM A653/A653M, structural
steel, zinc coated, of grade and coating as follows:
1. Grade: As required by structural performance.
2. Coating: G60 (Z180) at interior conditions, G90 (Z275) outside the building
thermal envelope.
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COLD-FORMED METAL FRAMING 054000 - 5
2.4 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 indicated on the Drawings.
2. Flange Width: As indicated on the Drawings.
B. Steel Track: Manufacturer's standard U-shaped steel track, of web depths indicated,
unpunched, with straight flanges.
1. Minimum Base-Metal Thickness: Matching steel studs.
C. Steel Box or Back-to-Back Headers: Manufacturer's standard C-shapes used to form
header beams, of web depths indicated, unpunched, with stiffened flanges, and as
follows:
1. Minimum Base-Metal Thickness: As indicated on the Drawings.
2. Flange Width: As indicated on the Drawings.
2.5 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 indicated on the Drawings.
2. Flange Width: As indicated on the Drawings.
B. Steel Track: Manufacturer's standard U-shaped steel track, of web depths indicated,
unpunched, with unstiffened flanges.
1. Minimum Base-Metal Thickness: As indicated on the Drawings.
2. Flange Width: 1-1/4 inches (32 mm).
C. Vertical Deflection Clips: Manufacturer's standard bypass or 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. AllSteel & Gypsum Products, Inc.
b. ClarkDietrich.
c. MarinoWARE.
d. SCAFCO Steel Stud Company.
e. Simpson Strong-Tie Co., Inc.
f. Steeler, Inc.
g. The Steel Network, Inc.
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COLD-FORMED METAL FRAMING 054000 - 6
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 loads and transfer them
to the primary structure, and as follows:
1. Minimum Base-Metal Thickness: As indicated on the Drawings.
2. Flange Width: 1 inch (25 mm) plus twice the design.
2.6 INTERIOR 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 indicated on the Drawings.
2. Flange Width: As indicated on the Drawings.
B. Steel Track: Manufacturer's standard U-shaped steel track, of web depths indicated,
unpunched, with unstiffened flanges.
1. Minimum Base-Metal Thickness: As indicated on the Drawings.
2. Flange Width: 1-1/4 inches (32 mm).
C. Vertical Deflection Clips: Manufacturer's standard bypass or 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. AllSteel & Gypsum Products, Inc.
b. ClarkDietrich.
c. MarinoWARE.
d. SCAFCO Steel Stud Company.
e. Simpson Strong-Tie Co., Inc.
f. Steeler, Inc.
g. 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 loads and transfer them
to the primary structure, and as follows:
1. Minimum Base-Metal Thickness: As indicated on the Drawings.
2. Flange Width: 1 inch (25 mm) plus twice the design.
E.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
through positive mechanical attachment to stud web and structure.
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2.7 ROOF JOIST FRAMING
A. Steel Joists: Manufacturer's standard C-shaped steel sections, of web depths indicated,
with stiffened flanges, and as follows:
1. Minimum Base-Metal Thickness: As indicated on the Drawings.
2. Flange Width: 1 inch (25 mm) plus twice the design.
2.8 CEILING JOIST FRAMING
A. Steel Ceiling Joists: Manufacturer's standard C-shaped steel sections, of web depths
indicated, punched with enlarged service holes, with stiffened flanges, and as follows:
1. Minimum Base-Metal Thickness: As indicated on the Drawings.
2. Flange Width: 1 inch (25 mm) plus twice the design.
2.9 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 indicated on the Drawings.
2. Flange Width: 1 inch (25 mm) plus twice the design.
2.10 FRAMING ACCESSORIES
A. Fabricate steel-framing accessories from ASTM A1003/A1003M, Structural Grade,
Type H, metallic coated steel sheet, of same grade and coating designation 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 and knee braces.
9. Joist hangers and end closures.
10. Hole-reinforcing plates.
11.Backer plates.
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COLD-FORMED METAL FRAMING 054000 - 8
2.11 ANCHORS, CLIPS, AND FASTENERS
A. Post-Installed Anchors: Fastener systems with bolts of same basic metal as fastened
metal, if visible, unless otherwise indicated; with working capacity greater than or
equal to the design load, according to an evaluation report acceptable to authorities
having jurisdiction, based on ICC-ES AC01, ICC-ES AC193, ICC-ES AC58, or,
ICC-ES AC308 as appropriate for the substrate.
1. Uses: Securing cold-formed steel framing to structure.
2. Material for Interior Locations: Carbon-steel components zinc plated to comply
with ASTM B633 or ASTM F1941 (ASTM F1941M), Class Fe/Zn 5, unless
otherwise indicated.
3. Material for Exterior or Interior Locations and Where Stainless Steel Is
Indicated: Alloy [Group 1 (A1)] [Group 2 (A4)] stainless-steel bolts,
ASTM F593 (ASTM F738M), and nuts, ASTM F594 (ASTM F836M).
B. Power-Actuated Anchors: Fastener systems with working capacity greater than or equal
to the design load, according to an evaluation report acceptable to authorities having
jurisdiction, based on ICC-ES AC70.
C. Mechanical Fasteners: ASTM C1513, corrosion-resistant-coated, self-drilling,
self-tapping, steel drill screws.
1. Head Type: Low-profile head beneath sheathing; manufacturer's standard
elsewhere.
D. Welding Electrodes: Comply with AWS standards.
2.12 MISCELLANEOUS MATERIALS
A. Galvanizing Repair Paint: ASTM A780/A780M or SSPC-Paint 20.
B. Shims: Load-bearing, high-density, multimonomer, nonleaching plastic; or cold-formed
steel of same grade and metallic coating as framing members supported by shims.
C. Sill Sealer Gasket: Closed-cell neoprene foam, 1/4 inch (6 mm) thick, selected from
manufacturer's standard widths to match width of bottom track or rim track members as
required.
2.13 FABRICATION
A. Fabricate cold-formed steel 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 steel framing members by welding, screw fastening, clinch
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fastening, pneumatic pin fastening, or riveting as standard with fabricator. Wire
tying of framing members is not permitted.
a. Comply with AWS D1.3/D1.3M 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
screws penetrating joined members by no fewer than three exposed screw
threads.
4. Fasten other materials to cold-formed steel framing by welding, bolting,
pneumatic pin fastening, or screw fastening, according to Shop Drawings.
B. Reinforce, stiffen, and brace framing assemblies to withstand handling, delivery, and
erection stresses. Lift fabricated assemblies by means that prevent damage or
permanent distortion.
C. Tolerances: Fabricate assemblies level, plumb, and true to line to a maximum allowable
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
(3 mm) from plan location. Cumulative error shall not exceed minimum fastening
requirements of sheathing or other finishing materials.
2. Squareness: Fabricate each cold-formed steel framing assembly to a maximum
out-of-square tolerance of 1/8 inch (3 mm).
PART 3 - EXECUTION
3.1 EXAMINATION
A. Examine substrates, areas, conditions, 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. Install sill sealer gasket at the underside of wall bottom track or rim track and at the top
of foundation wall or slab at stud or joist locations.
3.3 INSTALLATION, GENERAL
A. Cold-formed steel framing may be shop or field fabricated for installation, or it may be
field assembled.
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B. Install cold-formed steel framing according to AISI S200, AISI S202, and
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 (1.6 mm).
D. Install cold-formed steel 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 steel framing members by welding, screw fastening, clinch
fastening, or riveting. Wire tying of framing members is not permitted.
a. Comply with AWS D1.3/D1.3M requirements and procedures for welding,
appearance and quality of welds, and methods used in correcting welding
work.
b. Locate mechanical fasteners, install according to Shop Drawings, and
comply 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 equal 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. Install insulation, specified in Section 072100 "Thermal Insulation," in
framing-assembly members, such as headers, sills, boxed joists, and multiple studs at
openings, that are inaccessible on completion of framing work.
H. Fasten hole-reinforcing plate over web penetrations that exceed size of manufacturer's
approved or standard punched openings.
3.4 INSTALLATION OF LOAD-BEARING WALL FRAMING
A. Install continuous top and bottom tracks sized to match studs. Align tracks accurately
and securely anchor at corners and ends, and at spacings as follows:
1. Anchor Spacing: 32 inches (813 mm).
B. Squarely seat studs against top and bottom tracks, with gap not exceeding 1/8 inch (3
mm) between the end of wall-framing member and the web of track.
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1. Fasten both flanges of studs to top and bottom tracks.
2. Space studs as follows:
a. Stud Spacing: 24 inches (610 mm) on center, maximum.
C. Set studs plumb, except as needed for diagonal bracing or required for nonplumb walls
or warped surfaces and similar configurations.
D. Align studs vertically where floor framing interrupts wall-framing continuity. Where
studs cannot be aligned, continuously reinforce track to transfer loads.
E. Align floor and roof framing over studs according to AISI S200, Section C1. Where
framing cannot be aligned, continuously reinforce track to transfer loads.
F. Anchor studs abutting structural columns or walls, including masonry walls, to
supporting structure.
G. Install headers over wall openings wider than stud spacing. Locate headers above
openings. Fabricate headers of compound shapes indicated or required to transfer load
to supporting studs, complete with clip-angle connectors, web stiffeners, or gusset
plates.
1. Frame wall openings with not less than a double stud at each jamb of frame.
Fasten jamb members together to uniformly distribute loads.
2. Install tracks and jack studs above and below wall openings. Anchor tracks to
jamb studs with clip angles or by welding, and space jack studs same as
full-height wall studs.
H. Install supplementary framing, blocking, and bracing in stud framing indicated to
support fixtures, equipment, services, casework, heavy trim, furnishings, and similar
work requiring attachment to framing.
1. If type of supplementary support is not indicated, comply with stud
manufacturer's written recommendations and industry standards in each case,
considering weight or load resulting from item supported.
I. Install horizontal bridging in stud system, spaced vertically 48 inches (1220 mm).
Fasten at each stud intersection.
1. Strap Bridging: Combination of flat, taut, steel sheet straps of width and
thickness indicated and stud-track solid blocking of width and thickness to match
studs. Fasten flat straps to stud flanges, and secure solid blocking to stud webs or
flanges.
2. Bar Bridging: Proprietary bridging bars installed according to manufacturer's
written instructions.
J. Install miscellaneous framing and connections, including supplementary framing, web
stiffeners, clip angles, continuous angles, anchors, and fasteners, to provide a complete
and stable wall-framing system.
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COLD-FORMED METAL FRAMING 054000 - 12
3.5 INSTALLATION OF EXTERIOR NONLOADBEARING WALL FRAMING
A. Install continuous tracks sized to match studs. Align tracks accurately and securely
anchor to supporting structure.
B. Fasten both flanges of studs to bottom track unless otherwise indicated. Space studs as
follows:
1. Stud Spacing: As indicated on Drawings.
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 deep-leg deflection tracks and anchor to building structure.
2. Connect vertical deflection clips to bypassing] [infill] studs and anchor to
building structure.
E. Install horizontal bridging in wall studs, spaced vertically in rows indicated on Shop
Drawings but not more than 48 inches (1220 mm) apart. Fasten at each stud
intersection.
1. Strap Bridging: Combination of flat, taut, steel sheet straps of width and
thickness indicated and stud-track solid blocking of width and thickness to match
studs. Fasten flat straps to stud flanges and secure solid blocking to stud webs or
flanges.
2. Bar Bridging: Proprietary bridging bars installed according to manufacturer's
written instructions.
F. Top Bridging for Single Deflection Track: Install row of horizontal bridging within 12
inches (305 mm) 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.
1. Install solid blocking at centers indicated on Shop Drawings.
G. Install miscellaneous framing and connections, including stud kickers, web stiffeners,
clip angles, continuous angles, anchors, and fasteners, to provide a complete and stable
wall-framing system.
3.6 INSTALLATION OF INTERIOR NONLOADBEARING WALL FRAMING
A. Install continuous tracks sized to match studs. Align tracks accurately and securely
anchor to supporting structure.
B. Fasten both flanges of studs to bottom track unless otherwise indicated. Space studs as
follows:
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COLD-FORMED METAL FRAMING 054000 - 13
1. Stud Spacing: As indicated on Drawings
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 deep-leg deflection tracks and anchor to building structure.
2. Connect vertical deflection clips to studs and anchor to building structure.
E. Install horizontal bridging in wall studs, spaced vertically in rows indicated on Shop
Drawings but not more than 48 inches (1220 mm) apart. Fasten at each stud
intersection.
1. Strap Bridging: Combination of flat, taut, steel sheet straps of width and
thickness indicated and stud-track solid blocking of width and thickness to match
studs. Fasten flat straps to stud flanges and secure solid blocking to stud webs or
flanges.
2. Bar Bridging: Proprietary bridging bars installed according to manufacturer's
written instructions.
F. Top Bridging for Single Deflection Track: Install row of horizontal bridging within 18
inches (450 mm) 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.
1. Install solid blocking at centers indicated on Shop Drawings.
G. Install miscellaneous framing and connections, including stud kickers, web stiffeners,
clip angles, continuous angles, anchors, and fasteners, to provide a complete and stable
wall-framing system.
3.7 INSTALLATION OF JOIST FRAMING
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 or provide joist
hangers.
1. Install joists over supporting frame with a minimum end bearing of 1-1/2 inches
(38 mm).
2. Reinforce ends and bearing points of joists with web stiffeners, end clips, joist
hangers, steel clip angles, or steel-stud sections.
C. Space joists as indicated on the Drawings.
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COLD-FORMED METAL FRAMING 054000 - 14
D. Frame openings with built-up joist headers, consisting of joist and joist track or another
combination of connected joists if indicated.
E. Install bridging at intervals indicated on Shop Drawings. Fasten bridging at each joist
intersection as follows:
F. Secure joists to load-bearing interior walls to prevent lateral movement of bottom
flange.
G.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.
3.8 INSTALLATION TOLERANCES
A. Install cold-formed steel 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 (3 mm)
from plan location. Cumulative error shall not exceed minimum fastening
requirements of sheathing or other finishing materials.
3.9 REPAIR
A. Galvanizing Repairs: Prepare and repair damaged galvanized coatings on fabricated
and installed cold-formed steel framing with galvanized repair paint according to
ASTM A780/A780M and manufacturer's written instructions.
3.10 FIELD QUALITY CONTROL
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. Cold-formed steel framing will be considered defective if it does not pass tests and
inspections. Burn through of welds shall be cause for rejection.
E. Additional testing and inspecting, at Contractor's expense, will be performed to
determine compliance of replaced or additional work with specified requirements.
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COLD-FORMED METAL FRAMING 054000 - 15
3.11 PROTECTION
A. Provide final protection and maintain conditions, in a manner acceptable to
manufacturer and Installer, that ensure that cold-formed steel framing is without
damage or deterioration at time of Substantial Completion.
END OF SECTION 054000
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METAL FABRICATIONS 055000 - 1
SECTION 055000 - METAL FABRICATIONS
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. Steel framing and supports for operable partitions.
2. Steel framing and supports for countertops.
3. Steel framing and supports for equipment.
4. Steel tube reinforcement for low partitions.
5. Steel framing and supports for applications where framing and supports are not specified
in other Sections.
6. Elevator machine beams, hoist beams, divider beams.
7. Steel shapes for supporting elevator door sills.
8. Slotted channel framing.
9. Shelf angles.
10. Metal ladders.
11. Elevator pit sump covers.
B. Products furnished, but not installed, under this Section include the following:
1. Loose steel lintels.
2. Anchor bolts, steel pipe sleeves, slotted-channel inserts, and wedge-type inserts indicated
to be cast into concrete or built into unit masonry.
3. Steel weld plates and angles for casting into concrete for applications where they are not
specified in other Sections.
C. Related Requirements:
1. Section 042000 "Unit Masonry" for installing loose lintels, anchor bolts, and other items
built into unit masonry.
2. Section 051200 "Structural Steel Framing" for steel framing, supports, elevator machine
beams, hoist beams, divider beams, door frames, and other steel items attached to the
structural-steel framing.
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METAL FABRICATIONS 055000 - 2
1.3 COORDINATION
A. Coordinate selection of shop primers with topcoats to be applied over them. Comply with paint
and coating manufacturers' written instructions to ensure that shop primers and topcoats are
compatible with one another.
B. Coordinate installation of metal fabrications that are anchored to or that receive other work.
Furnish setting drawings, templates, and directions for installing anchorages, including sleeves,
concrete inserts, anchor bolts, and items with integral anchors, that are to be embedded in
concrete or masonry. Deliver such items to Project site in time for installation.
1.4 ACTION SUBMITTALS
A. Product Data: For the following:
1. Nonslip aggregates and nonslip-aggregate surface finishes.
2. Fasteners.
3. Shop primers.
4. Slotted channel framing.
5. Manufactured metal ladders.
B. Sustainable Design Submittals:
1. Environmental Product Declaration (EPD): For each product.
C. Shop Drawings: Show fabrication and installation details. Include plans, elevations, sections,
and details of metal fabrications and their connections. Show anchorage and accessory items.
Provide Shop Drawings for the following:
1. Steel framing and supports for operable partitions.
2. Steel framing and supports for countertops.
3. Steel tube reinforcement for low partitions.
4. Steel framing and supports for applications where framing and supports are not specified
in other Sections.
5. Elevator machine beams, hoist beams, and divider beams.
6. Steel shapes for supporting elevator door sills.
7. Shelf angles.
8. Metal ladders.
9. Elevator pit sump covers.
10. Loose steel lintels.
D. Samples for Verification: For each type and finish of extruded tread.
E. Delegated-Design Submittal: For ladders, including analysis data signed and sealed by the
qualified professional engineer responsible for their preparation.
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METAL FABRICATIONS 055000 - 3
1.5 INFORMATIONAL SUBMITTALS
A. Qualification Data: For professional engineer's experience with providing delegated-design
engineering services of the kind indicated, including documentation that engineer is licensed in
the jurisdiction in which Project is located.
B. Welding certificates.
1.6 QUALITY ASSURANCE
A. Welding Qualifications: Qualify procedures and personnel in accordance with the following:
1. AWS D1.1/D1.1M, "Structural Welding Code - Steel."
2. AWS D1.6/D1.6M, "Structural Welding Code - Stainless Steel."
1.7 FIELD CONDITIONS
A. Field Measurements: Verify actual locations of walls, floor slabs, decks, and other construction
contiguous with metal fabrications by field measurements before fabrication.
PART 2 - PRODUCTS
2.1 PERFORMANCE REQUIREMENTS
A. Delegated Design: Engage a qualified professional engineer, as defined in Section 014000
"Quality Requirements," to design ladders.
B. Thermal Movements: Allow for thermal movements from ambient and surface temperature
changes acting on exterior metal fabrications by preventing buckling, opening of joints,
overstressing of components, failure of connections, and other detrimental effects.
1. Temperature Change: 120 deg F, ambient; 180 deg F, material surfaces.
2.2 METALS
A. Metal Surfaces, General: Provide materials with smooth, flat surfaces unless otherwise
indicated. For metal fabrications exposed to view in the completed Work, provide materials
without seam marks, roller marks, rolled trade names, or blemishes.
B. Recycled Content of Steel Products: Postconsumer recycled content plus one-half of
preconsumer recycled content.
C. Steel Plates, Shapes, and Bars: ASTM A36/A36M.
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METAL FABRICATIONS 055000 - 4
D. Stainless Steel Sheet, Strip, and Plate: ASTM A240/A240M or ASTM A666, Type 304.
E. Stainless Steel Bars and Shapes: ASTM A276/A276M, Type 304.
a. ROSS TECHNOLOGY CORP.
F. Steel Tubing: ASTM A500/A500M, cold-formed steel tubing.
G. Steel Pipe: ASTM A53/A53M, Standard Weight (Schedule 40) unless otherwise indicated.
H. Slotted Channel Framing: Cold-formed metal box channels (struts) complying with MFMA-4.
1. Size of Channels: 1-5/8 by 1-5/8 inches.
2. Material: Galvanized steel, ASTM A653/A653M, commercial steel, Type B, with G90
coating; 0.108-inch (12-gauge equivalent) nominal thickness.
I. Nickel Silver Extrusions: ASTM B151/B151M, Alloy UNS No. C74500.
J. Nickel Silver Castings: ASTM B584, Alloy UNS No. C97600 (20 percent leaded nickel
bronze).
2.3 FASTENERS
A. General: Unless otherwise indicated, provide Type 304 stainless steel fasteners for exterior use
and zinc-plated fasteners with coating complying with ASTM B633 or ASTM F1941/F1941M,
Class Fe/Zn 5, at exterior walls. Select fasteners for type, grade, and class required.
1. Provide stainless steel fasteners for fastening stainless steel or nickel silver.
B. Steel Bolts and Nuts: Regular hexagon-head bolts, ASTM A307, Grade A; with hex nuts,
ASTM A563; and, where indicated, flat washers.
C. Stainless Steel Bolts and Nuts: Regular hexagon-head annealed stainless steel bolts,
ASTM F593; with hex nuts, ASTM F594; and, where indicated, flat washers; Alloy Group 1.
D. Anchors, General: Capable of sustaining, without failure, a load equal to six times the load
imposed when installed in unit masonry and four times the load imposed when installed in
concrete, as determined by testing in accordance with ASTM E488/E488M, conducted by a
qualified independent testing agency.
E. Post-Installed Anchors: Torque-controlled expansion anchors or chemical anchors.
1. Material for Interior Locations: Carbon-steel components zinc plated to comply with
ASTM B633 or ASTM F1941/F1941M, Class Fe/Zn 5, unless otherwise indicated.
2. Material for Exterior Locations and Where Stainless Steel Is Indicated: Alloy Group 1
stainless steel bolts, ASTM F593, and nuts, ASTM F594.
F. Slotted-Channel Inserts: Cold-formed, hot-dip galvanized-steel box channels (struts) complying
with MFMA-4, 1-5/8 by 7/8 inches by length indicated with anchor straps or studs not less than
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METAL FABRICATIONS 055000 - 5
3 inches long at not more than 8 inches o.c. Provide with temporary filler and tee-head bolts,
complete with washers and nuts, all zinc-plated to comply with ASTM B633, Class Fe/Zn 5, as
needed for fastening to inserts.
2.4 MISCELLANEOUS MATERIALS
A. Universal Shop Primer: Fast-curing, lead- and chromate-free, universal modified-alkyd primer
complying with MPI#79 and compatible with topcoat.
1. Use primer containing pigments that make it easily distinguishable from zinc-rich primer.
B. Epoxy Zinc-Rich Primer: Complying with MPI#20 and compatible with topcoat.
C. Shop Primer for Galvanized Steel: Primer formulated for exterior use over zinc-coated metal
and compatible with finish paint systems indicated.
D. Galvanizing Repair Paint: High-zinc-dust-content paint complying with SSPC-Paint 20 and
compatible with paints specified to be used over it.
E. Bituminous Paint: Cold-applied asphalt emulsion complying with ASTM D1187/D1187M.
F. Shrinkage-Resistant Grout: Factory-packaged, nonmetallic, nonstaining, noncorrosive,
nongaseous grout complying with ASTM C1107/C1107M. Provide grout specifically
recommended by manufacturer for interior and exterior applications.
G. Concrete: Comply with requirements in Section 033000 "Cast-in-Place Concrete" for
normal-weight, air-entrained concrete with a minimum 28-day compressive strength of 3000 psi.
2.5 FABRICATION, GENERAL
A. Shop Assembly: Preassemble items in the shop to greatest extent possible. Disassemble units
only as necessary for shipping and handling limitations. Use connections that maintain
structural value of joined pieces. Clearly mark units for reassembly and coordinated
installation.
B. Cut, drill, and punch metals cleanly and accurately. Remove burrs and ease edges to a radius of
approximately 1/32 inch unless otherwise indicated. Remove sharp or rough areas on exposed
surfaces.
C. Form bent-metal corners to smallest radius possible without causing grain separation or
otherwise impairing work.
D. Form exposed work with accurate angles and surfaces and straight edges.
E. Weld corners and seams continuously to comply with the following:
1. Use materials and methods that minimize distortion and develop strength and corrosion
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METAL FABRICATIONS 055000 - 6
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 no
roughness shows after finishing and contour of welded surface matches that of adjacent
surface.
F. Form exposed connections with hairline joints, flush and smooth, using concealed fasteners or
welds where possible. Where exposed fasteners are required, use Phillips flat-head
(countersunk) fasteners unless otherwise indicated. Locate joints where least conspicuous.
G. Fabricate seams and other connections that are exposed to weather in a manner to exclude
water. Provide weep holes where water may accumulate.
H. Cut, reinforce, drill, and tap metal fabrications as indicated to receive finish hardware, screws,
and similar items.
I. Provide for anchorage of type indicated; coordinate with supporting structure. Space anchoring
devices to secure metal fabrications rigidly in place and to support indicated loads.
J. Where units are indicated to be cast into concrete or built into masonry, equip with integrally
welded steel strap anchors, 1/8 by 1-1/2 inches, with a minimum 6-inch embedment and 2-inch
hook, not less than 8 inches from ends and corners of units and 24 inches o.c., unless otherwise
indicated.
2.6 MISCELLANEOUS FRAMING AND SUPPORTS
A. General: Provide steel framing and supports not specified in other Sections as needed to
complete the Work.
B. Fabricate units from steel shapes, plates, and bars of welded construction unless otherwise
indicated. Fabricate to sizes, shapes, and profiles indicated and as necessary to receive adjacent
construction.
1. Fabricate units from slotted channel framing where indicated.
2. Furnish inserts for units installed after concrete is placed.
C. Fabricate supports for operable partitions from continuous steel beams of sizes recommended
by partition manufacturer with attached bearing plates, anchors, and braces as recommended by
partition manufacturer. Drill or punch bottom flanges of beams to receive partition track hanger
rods; locate holes where indicated on operable partition Shop Drawings.
D. Galvanize miscellaneous framing and supports where indicated.
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METAL FABRICATIONS 055000 - 7
2.7 SHELF ANGLES
A. Fabricate shelf angles from steel angles of sizes indicated and for attachment to concrete
framing. Provide horizontally slotted holes to receive 3/4-inch bolts, spaced not more than 6
inches from ends and 24 inches o.c., unless otherwise indicated.
1. Provide mitered and welded units at corners.
2. Provide open joints in shelf angles at expansion and control joints. Make open joint
approximately 2 inches larger than expansion or control joint.
B. For cavity walls, provide vertical channel brackets to support angles from backup masonry and
concrete.
C. Galvanize shelf angles located in exterior walls.
D. Furnish wedge-type concrete inserts, complete with fasteners, to attach shelf angles to
cast-in-place concrete.
2.8 METAL LADDERS
A. General:
1. Comply with ANSI A14.3, except for elevator pit ladders.
2. For elevator pit ladders, comply with ASME A17.1/CSA B44.
B. Steel Ladders:
1. Space siderails 18 inches apart unless otherwise indicated.
2. Siderails: Continuous, 3/8-by-2-1/2-inch steel flat bars, with eased edges.
3. Rungs: 3/4-inch- diameter or 1-inch- square, steel bars.
4. Fit rungs in centerline of siderails; plug-weld and grind smooth on outer rail faces.
5. Provide nonslip surfaces on top of each rung, either by coating rung with
aluminum-oxide granules set in epoxy-resin adhesive or by using a type of manufactured
rung filled with aluminum-oxide grout.
6. Support each ladder at top and bottom and not more than 60 inches o.c. with welded or
bolted steel brackets.
7. Galvanize and prime ladders, including brackets.
2.9 ELEVATOR PIT SUMP COVERS
A. Fabricate from 3/16-inch rolled-steel floor plate with four 1-inch- diameter holes for water
drainage and for lifting.
B. Fabricate from welded or pressure-locked steel bar grating. Limit openings in gratings to no
more than 1/2 inch in least dimension.
C. Provide steel angle supports unless otherwise indicated.
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METAL FABRICATIONS 055000 - 8
2.10 LOOSE STEEL LINTELS
A. Fabricate loose steel lintels from steel angles and shapes of size indicated for openings and
recesses in masonry walls and partitions at locations indicated. Fabricate in single lengths for
each opening unless otherwise indicated. Weld adjoining members together to form a single
unit where indicated.
B. Size loose lintels to provide bearing length at each side of openings equal to 1/12 of clear span,
but not less than 8 inches unless otherwise indicated.
C. Galvanize and prime loose steel lintels located in exterior walls.
D. Prime loose steel lintels located in exterior walls with zinc-rich primer.
2.11 FALL ARREST ANCHORS
A. Forged Eye Weldable Anchors: Provide Thaler Metal; FARA-14SS Forged Eye Stainless
Steel Fall Arrest Anchors.
B. Materials: Stainless steel
2.12 GENERAL FINISH REQUIREMENTS
A. Finish metal fabrications after assembly.
B. Finish exposed surfaces to remove tool and die marks and stretch lines, and to blend into
surrounding surface.
2.13 STEEL AND IRON FINISHES
A. Galvanizing: Hot-dip galvanize items as indicated to comply with ASTM A153/A153M for
steel and iron hardware and with ASTM A123/A123M for other steel and iron products.
1. Do not quench or apply post galvanizing treatments that might interfere with paint
adhesion.
B. Preparation for Shop Priming Galvanized Items: After galvanizing, thoroughly clean
galvanized surfaces of grease, dirt, oil, flux, and other foreign matter, and treat with metallic
phosphate process.
C. Shop prime iron and steel items not indicated to be galvanized unless they are to be embedded
in concrete, sprayed-on fireproofing, or masonry, or unless otherwise indicated.
D. Preparation for Shop Priming: Prepare surfaces to comply with SSPC-SP 6/NACE No. 3,
"Commercial Blast Cleaning."
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METAL FABRICATIONS 055000 - 9
E. Shop Priming: Apply shop primer to comply with SSPC-PA 1, "Paint Application Specification
No. 1: Shop, Field, and Maintenance Painting of Steel," for shop painting.
1. Stripe paint corners, crevices, bolts, welds, and sharp edges.
PART 3 - EXECUTION
3.1 INSTALLATION, GENERAL
A. Cutting, Fitting, and Placement: Perform cutting, drilling, and fitting required for installing metal
fabrications. Set metal fabrications accurately in location, alignment, and elevation; with edges
and surfaces level, plumb, true, and free of rack; and measured from established lines and levels.
B. Fit exposed connections accurately together to form hairline joints. Weld connections that are
not to be left as exposed joints but cannot be shop welded because of shipping size limitations.
Do not weld, cut, or abrade surfaces of exterior units that have been hot-dip galvanized after
fabrication and are for bolted or screwed field connections.
C. Field Welding: Comply with the following requirements:
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 no
roughness shows after finishing and contour of welded surface matches that of adjacent
surface.
D. Fastening to In-Place Construction: Provide anchorage devices and fasteners where metal
fabrications are required to be fastened to in-place construction. Provide threaded fasteners for
use with concrete and masonry inserts, toggle bolts, through bolts, lag screws, wood screws,
and other connectors.
E. Provide temporary bracing or anchors in formwork for items that are to be built into concrete,
masonry, or similar construction.
3.2 INSTALLATION OF MISCELLANEOUS FRAMING AND SUPPORTS
A. General: Install framing and supports to comply with requirements of items being supported,
including manufacturers' written instructions and requirements indicated on Shop Drawings.
B. Anchor supports for operable partitions securely to, and rigidly brace from, building structure.
C. Anchor shelf angles securely to existing construction with anchor bolts.
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METAL FABRICATIONS 055000 - 10
3.3 REPAIRS
A. Touchup Painting:
1. Immediately after erection, clean field welds, bolted connections, and abraded areas.
Paint uncoated and abraded areas with same material as used for shop painting to comply
with SSPC-PA 1 for touching up shop-painted surfaces.
a. Apply by brush or spray to provide a minimum 2.0-mil dry film thickness.
B. Galvanized Surfaces: Clean field welds, bolted connections, and abraded areas and repair
galvanizing to comply with ASTM A780/A780M.
END OF SECTION 055000
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METAL PAN STAIRS 055113 - 1
SECTION 055113 - METAL PAN STAIRS
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. Preassembled steel stairs with concrete-filled and precast terrazzo treads.
2. Steel tube railings attached to metal stairs.
3. Steel tube handrails attached to walls adjacent to metal stairs.
B. Related Requirements:
1. Section 033000 "Cast-in-Place Concrete" for concrete fill for stair treads and platforms.
2. Section 057300 "Decorative Metal Railings" for stainless steel cable railings.
3. Section 096613 "Portland Cement Terrazzo Flooring" for precast terrazzo stair treads and
risers and poured-in-place terrazzo landings.
1.3 COORDINATION
A. Coordinate selection of shop primers with topcoats to be applied over them. Comply with
paint and coating manufacturers' written recommendations to ensure that shop primers and
topcoats are compatible with one another.
B. Coordinate installation of anchorages for metal stairs. Furnish setting drawings, templates, and
directions for installing anchorages, including sleeves, concrete inserts, anchor bolts, and items
with integral anchors, that are to be embedded in concrete or masonry. Deliver such items to
Project site in time for installation.
C. Coordinate locations of hanger rods and struts with other work so that they do not encroach on
required stair width and are within the fire-resistance-rated stair enclosure.
1.4 ACTION SUBMITTALS
A. Product Data: For metal pan stairs and the following:
1. Paint products.
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HOLT Project No. 2018089
METAL PAN STAIRS 055113 - 2
B. Sustainable Design Submittals:
1. Environmental Product Declaration (EPD): For each product.
2. Chain-of-Custody Certificates: For certified wood products. Include statement of costs.
C. Shop Drawings: Include plans, elevations, sections, details, and attachments to other work.
D. Delegated-Design Submittal: For stairs and railings, including analysis data signed and sealed
by the qualified professional engineer responsible for their preparation.
1.5 QUALITY ASSURANCE
A. Installer Qualifications: Fabricator of products.
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 - Sheet Steel."
PART 2 - PRODUCTS
2.1 PERFORMANCE REQUIREMENTS
A. Delegated Design: Engage a qualified professional engineer, as defined in Section 014000
"Quality Requirements," to design stairs and railings.
B. Structural Performance of Stairs: Metal stairs shall withstand the effects of gravity loads and
the following loads and stresses within limits and under conditions indicated:
1. Uniform Load: 100 lbf/sq. ft..
2. Concentrated Load: 300 lbf applied on an area of 4 sq. in..
3. Uniform and concentrated loads need not be assumed to act concurrently.
4. Stair Framing: Capable of withstanding stresses resulting from railing loads in addition
to loads specified above.
5. Limit deflection of treads, platforms, and framing members to L/360 or 1/4 inch,
whichever is less.
C. Structural Performance of Railings: Railings shall withstand the effects of gravity loads and
the following loads and stresses within limits and under conditions indicated:
1. Handrails and Top Rails of Guards:
a. Uniform load of 50 lbf/ft. applied in any direction.
b. Concentrated load of 200 lbf applied in any direction.
c. Uniform and concentrated loads need not be assumed to act concurrently.
2. Infill of Guards:
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METAL PAN STAIRS 055113 - 3
a. Concentrated load of 50 lbf applied horizontally on an area of 1 sq. ft..
b. Infill load and other loads need not be assumed to act concurrently.
2.2 METALS
A. Metal Surfaces, General: Provide materials with smooth, flat surfaces unless otherwise
indicated. For components exposed to view in the completed Work, provide materials without
seam marks, roller marks, rolled trade names, or blemishes.
B. Recycled Content of Steel Products: Postconsumer recycled content plus one-half of
preconsumer recycled content.
C. Steel Plates, Shapes, and Bars: ASTM A 36/A 36M.
D. Steel Tubing: ASTM A 500 (cold formed) or ASTM A 513.
E. Cast Iron: Either gray iron, ASTM A 48/A 48M, or malleable iron, ASTM A 47/A 47M,
unless otherwise indicated.
F. Uncoated, Cold-Rolled Steel Sheet: ASTM A 1008/A 1008M, either commercial steel, Type
B, or structural steel, Grade 25, unless another grade is required by design loads; exposed.
2.3 FASTENERS
A. General: Provide zinc-plated fasteners with coating complying with ASTM B 633 or ASTM F
1941, Class Fe/Zn 12 for exterior use, and Class Fe/Zn 5 where built into exterior walls.
Select fasteners for type, grade, and class required.
B. Bolts and Nuts: Regular hexagon-head bolts, ASTM A 307, Grade A; with hex nuts, ASTM A
563; and, where indicated, flat washers.
C. Anchor Bolts: ASTM F 1554, Grade 36, of dimensions indicated; with nuts, ASTM A 563;
and, where indicated, flat washers.
D. Post-Installed Anchors: Torque-controlled expansion anchors or chemical anchors capable of
sustaining, without failure, a load equal to six times the load imposed when installed in unit
masonry and four times the load imposed when installed in concrete, as determined by testing
according to ASTM E 488/E 488M, conducted by a qualified independent testing agency.
1. Material for Interior Locations: Carbon-steel components zinc plated to comply with
ASTM B 633 or ASTM F 1941, Class Fe/Zn 5, unless otherwise indicated.
2.4 MISCELLANEOUS MATERIALS
A. Universal Shop Primer: Fast-curing, lead- and chromate-free, universal modified-alkyd primer
complying with MPI#79 and compatible with topcoat.
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METAL PAN STAIRS 055113 - 4
1. Use primer containing pigments that make it easily distinguishable from zinc-rich primer.
B. Bituminous Paint: Cold-applied asphalt emulsion complying with ASTM D 1187/D 1187M.
C. Concrete Materials and Properties: Comply with requirements in Section 033000
"Cast-in-Place Concrete" for normal-weight, air-entrained, ready-mix concrete with a minimum
28-day compressive strength of 3000 psi unless otherwise indicated.
D. Welded Wire Reinforcement: ASTM A 185/A 185M, 6 by 6 inches, W1.4 by W1.4, unless
otherwise indicated.
E. Wood Rails:
1. Clear, straight-grained hardwood rails secured to exposed metal subrail.
a. Species: White maple.
b. Finish: Clear.
c. Staining: None.
d. Profile: Round, 1-1/2 inch diameter.
2. Certified Wood: Wood products shall be certified as "FSC Pure" or "FSC Mixed Credit"
according to FSC STD-01-001 and FSC STD-40-004.
2.5 FABRICATION, GENERAL
A. Provide complete stair assemblies, including metal framing, hangers, struts, railings, clips,
brackets, bearing plates, and other components necessary to support and anchor stairs and
platforms on supporting structure.
1. Join components by welding unless otherwise indicated.
2. Use connections that maintain structural value of joined pieces.
B. Preassembled Stairs: Assemble stairs in shop to greatest extent possible. Disassemble units
only as necessary for shipping and handling limitations. Clearly mark units for reassembly and
coordinated installation.
C. Cut, drill, and punch metals cleanly and accurately. Remove burrs and ease edges to a radius
of approximately 1/32 inch unless otherwise indicated. Remove sharp or rough areas on
exposed surfaces.
D. Form bent-metal corners to smallest radius possible without causing grain separation or
otherwise impairing work.
E. Form exposed work with accurate angles and surfaces and straight edges.
F. Weld connections to comply with the following:
1. Use materials and methods that minimize distortion and develop strength and corrosion
resistance of base metals.
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METAL PAN STAIRS 055113 - 5
2. Obtain fusion without undercut or overlap.
3. Remove welding flux immediately.
4. Weld exposed corners and seams continuously unless otherwise indicated.
5. At exposed connections, finish exposed welds to comply with NOMMA's "Voluntary
Joint Finish Standards" for Type 3 welds: partially dressed weld with spatter removed.
G. Form exposed connections with hairline joints, flush and smooth, using concealed fasteners
where possible. Where exposed fasteners are required, use Phillips flat-head (countersunk)
screws or bolts unless otherwise indicated. Locate joints where least conspicuous.
2.6 STEEL-FRAMED STAIRS
A. NAAMM Stair Standard: Comply with "Recommended Voluntary Minimum Standards for
Fixed Metal Stairs" in NAAMM AMP 510, "Metal Stairs Manual," Commercial Class, unless
more stringent requirements are indicated.
B. Stair Framing:
1. Fabricate stringers of steel plates or channels.
a. Provide closures for exposed ends of channel stringers.
2. Construct platforms of steel plate or channel headers and miscellaneous framing
members as needed to comply with performance requirements.
3. Weld stringers to headers; weld framing members to stringers and headers.
4. Where stairs are enclosed by gypsum board assemblies, provide hanger rods or struts to
support landings from floor construction above or below. Locate hanger rods and struts
where they do not encroach on required stair width and are within the
fire-resistance-rated stair enclosure.
5. Where masonry walls support metal stairs, provide temporary supporting struts designed
for erecting steel stair components before installing masonry.
C. Metal Pan Stairs: Form risers, subtread pans, and subplatforms to configurations shown from
steel sheet of thickness needed to comply with performance requirements, but not less than
0.067 inch.
1. Steel Sheet: Uncoated cold-rolled steel sheet unless otherwise indicated.
2. Directly weld metal pans to stringers; locate welds on top of subtreads where they are
concealed by concrete fill. Do not weld risers to stringers.
3. Shape metal pans to include nosing integral with riser.
4. Provide subplatforms of configuration indicated or, if not indicated, the same as
subtreads. Weld subplatforms to platform framing.
a. Smooth Soffit Construction: Construct subplatforms with flat metal under
surfaces to produce smooth soffits.
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METAL PAN STAIRS 055113 - 6
2.7 STAIR RAILINGS
A. For Stair #1 only: Comply with applicable requirements in Section 057300 "Decorative Metal
Railings."
B. Steel Tube Railings: Fabricate railings to comply with requirements indicated for design,
dimensions, details, finish, and member sizes, including wall thickness of tube, post spacings,
and anchorage, but not less than that needed to withstand indicated loads.
1. Rails and Posts: 1-5/8-inch- diameter top and 1-3/4 by 3/8 inch flat bar bottom rails and
1 by 3/8 inch flat bar posts.
2. Intermediate Rails Infill: 1 by 3/8 inch flat bar intermediate rails spaced less than 12
inches clear.
3. Handrails: 1-1/2-inch- outside diameter wood handrails.
a. Species/finish: Clear white maple.
C. Welded Connections: Fabricate railings with welded connections. Cope components at
connections to provide close fit, or use fittings designed for this purpose. Weld all around at
connections, including at fittings.
1. Finish welds to comply with NOMMA's "Voluntary Joint Finish Standards" for Type 1
welds: no evidence of a welded joint as shown in NAAMM AMP 521.
D. Form changes in direction of railings as follows:
1. By radius bends of radius indicated or by inserting prefabricated elbow fittings of radius
indicated.
E. For changes in direction made by bending, use jigs to produce uniform curvature for each
repetitive configuration required. Maintain cross section of member throughout entire bend
without buckling, twisting, cracking, or otherwise deforming exposed surfaces of components.
F. Close exposed ends of railing members with prefabricated end fittings.
G. Provide wall returns at ends of wall-mounted handrails unless otherwise indicated. Close ends
of returns unless clearance between end of rail and wall is 1/4 inchor less.
H. Connect posts to stair framing by direct welding unless otherwise indicated.
I. Brackets, Flanges, Fittings, and Anchors: Provide wall brackets, end closures, flanges,
miscellaneous fittings, and anchors for interconnecting components and for attaching to other
work. Furnish inserts and other anchorage devices for connecting to concrete or masonry
work.
1. For nongalvanized railings, provide nongalvanized ferrous-metal fittings, brackets,
fasteners, and sleeves, except galvanize anchors embedded in exterior masonry and
concrete construction.
2. Provide type of bracket with predrilled hole for exposed bolt anchorage and that provides
1-1/2-inch clearance from inside face of handrail to finished wall surface.
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METAL PAN STAIRS 055113 - 7
J. Fillers: Provide fillers made from steel plate, or other suitably crush-resistant material, where
needed to transfer wall bracket loads through wall finishes to structural supports. Size fillers
to suit wall finish thicknesses and to produce adequate bearing area to prevent bracket rotation
and overstressing of substrate.
2.8 FINISHES
A. Finish metal stairs after assembly.
B. Preparation for Shop Priming: Prepare uncoated ferrous-metal surfaces to comply with
SSPC-SP 3, "Power Tool Cleaning."
C. Apply shop primer to uncoated surfaces of metal stair components, except those with
galvanized finishes and those to be embedded in concrete or masonry unless otherwise
indicated. Comply with SSPC-PA 1, "Paint Application Specification No. 1: Shop, Field,
and Maintenance Painting of Steel," for shop painting.
PART 3 - EXECUTION
3.1 INSTALLING METAL PAN STAIRS
A. Fastening to In-Place Construction: Provide anchorage devices and fasteners where necessary
for securing metal stairs to in-place construction. Include threaded fasteners for concrete and
masonry inserts, through-bolts, lag bolts, and other connectors.
B. Cutting, Fitting, and Placement: Perform cutting, drilling, and fitting required for installing
metal stairs. Set units accurately in location, alignment, and elevation, measured from
established lines and levels and free of rack.
C. Install metal stairs by welding stair framing to steel structure or to weld plates cast into concrete
unless 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 to be left as exposed joints but cannot be shop welded because of shipping size limitations.
Do not weld, cut, or abrade surfaces of exterior units that have been hot-dip galvanized after
fabrication and are for bolted or screwed field connections.
F. Field Welding: Comply with requirements for welding in "Fabrication, General" Article.
G. Place and finish concrete fill for treads and platforms to comply with Section 033000
"Cast-in-Place Concrete."
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METAL PAN STAIRS 055113 - 8
3.2 INSTALLING RAILINGS
A. Adjust railing systems before anchoring to ensure matching alignment at abutting joints.
Space posts at spacing indicated or, if not indicated, as required by design loads. Plumb posts
in each direction. Secure posts and rail ends to building construction as follows:
1. Anchor posts to steel by welding or bolting to steel supporting members.
B. Attach handrails to wall with wall brackets. Locate brackets as indicated or, if not indicated, at
spacing required to support structural loads. Secure wall brackets to building construction as
required to comply with performance requirements.
1. For steel-framed partitions, use self-tapping screws fastened to steel framing or to
concealed steel reinforcements.
3.3 ADJUSTING AND CLEANING
A. Touchup Painting: Immediately after erection, clean field welds, bolted connections, and
abraded areas of shop paint, and paint exposed areas with same material as used for shop
painting to comply with SSPC-PA 1 for touching up shop-painted surfaces.
1. Apply by brush or spray to provide a minimum 2.0-mil dry film thickness.
END OF SECTION 055113
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HOLT Project No. 2018089
COLUMN COVERS 055813 - 1
SECTION 055813 - COLUMN COVERS
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 snap-together metal column covers.
1.3 QUALITY ASSURANCE
A. Fabricator Qualifications: A firm experienced in producing column covers similar to that
indicated for this Project and with a record of successful in-service performance, as well as
sufficient production capacity to produce required units.
B. Anodic Finisher Qualifications: A firm experienced in successfully applying anodic finishes of
type indicated and that employs competent control personnel to conduct continuing, effective
quality-control program to ensure compliance with requirements.
1.4 DELIVERY, STORAGE, AND HANDLING
A. Deliver column covers wrapped in protective coverings and strapped together in suitable packs
or in heavy-duty cartons. Remove protective coverings before they stain or bond to finished
surfaces.
PART 2 - PRODUCTS
2.1 SNAP-TOGETHER COLUMN COVERS
A. Manufacturers: Subject to compliance with requirements, provide Basis-of-Designs products as
indicated on Drawings by PAC-CLAD, or comparable products by the following:
1. ATAS International, Inc.
2. Firestone Metal Products, LLC; Una-Clad.
3. Fry Reglet Corporation.
4. Pittcon Industries.
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COLUMN COVERS 055813 - 2
B. Form column covers to shapes indicated from metal of type and minimum thickness indicated
below. Return vertical edges and bend to form hook that engages continuous mounting clips.
1. Aluminum Sheet: ASTM B 209, with not less than strength and durability properties of
Alloy 5005-H32, 0.063 inch Insert dimension thick.
a. Finish: Clear anodic.
2. Column covers may be fabricated from prefinished metal sheet in lieu of finishing after
fabrication provided unfinished edges are concealed from view.
3. Increase metal thickness or reinforce with concealed stiffeners, backing materials, or
both, as needed to provide flat surfaces where indicated.
4. Support joints with concealed stiffeners as needed to hold exposed faces of adjoining
sheets in flush alignment.
5. Form returns at vertical joints to provide hairline V-joints.
6. Fabricate column covers without horizontal joints.
7. Fabricate with calk stop/stiffener ring.
2.2 MISCELLANEOUS MATERIALS
A. Fasteners: Fabricated from same basic metal and alloy as fastened metal unless otherwise
indicated. Do not use metals that are incompatible with materials joined.
1. Provide concealed fasteners for interconnecting column covers and for attaching them to
other work unless otherwise indicated.
2. Provide tamper-resistant flat-head machine screws for exposed fasteners unless otherwise
indicated.
B. Backing Materials: Provided or recommended by column cover manufacturer.
2.3 FABRICATION, GENERAL
A. Coordinate dimensions and attachment methods of column covers with those of adjoining
construction to produce integrated assemblies with closely fitting joints and with edges and
surfaces aligned unless otherwise indicated.
B. Form metal to profiles indicated, in maximum lengths to minimize joints. Produce flat, flush
surfaces without cracking or grain separation at bends.
2.4 GENERAL FINISH REQUIREMENTS
A. Complete mechanical finishes of flat sheet metal surfaces before fabrication where possible.
After fabrication, finish all joints, bends, abrasions, and other surface blemishes to match sheet
finish.
B. Protect mechanical finishes on exposed surfaces from damage by applying a strippable,
temporary protective covering before shipping.
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COLUMN COVERS 055813 - 3
C. Apply organic and anodic finishes to formed metal after fabrication unless otherwise indicated.
D. Appearance of Finished Work: Variations in appearance of abutting or adjacent pieces are
acceptable if they are within one-half of the range of approved Samples. Noticeable variations
in the same piece are not acceptable. Variations in appearance of other components are
acceptable if they are within the range of approved Samples and are assembled or installed to
minimize contrast.
2.5 ALUMINUM FINISHES
A. Clear Anodic Finish: AAMA 611, AA-M12C22A41, Class I, 0.018 mm or thicker.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Examine substrates, areas, and conditions, with Installer present, for compliance with
requirements for installation tolerances and other conditions affecting performance of column
covers.
B. Proceed with installation only after unsatisfactory conditions have been corrected.
3.2 INSTALLATION
A. Locate and place column covers plumb and in alignment with adjacent construction. Perform
cutting, drilling, and fitting required to install column covers.
1. Do not cut or abrade finishes that cannot be completely restored in the field. Return items
with such finishes to the shop for required alterations, followed by complete refinishing,
or provide new units as required.
B. Use concealed anchorages where possible.
C. Form tight joints with exposed connections accurately fitted together. Provide reveals and
openings for sealants and joint fillers as indicated.
D. Corrosion Protection: Apply bituminous paint or other permanent separation materials on
concealed surfaces where metals would otherwise be in direct contact with substrate materials
that are incompatible or could result in corrosion or deterioration of either material or finish.
3.3 ADJUSTING AND CLEANING
A. Restore finishes damaged during installation and construction period so no evidence remains of
correction work. Return items that cannot be refinished in the field to the shop; make required
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alterations and refinish entire unit or provide new units.
3.4 PROTECTION
A. Protect finishes from damage during construction period. Remove temporary protective
coverings at time of Substantial Completion.
END OF SECTION 055813
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DECORATIVE METAL RAILINGS 057300 - 1
SECTION 057300 - DECORATIVE METAL RAILINGS
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. Steel and iron decorative railings with stainless-steel wire-rope guard infill.
B. Related Requirements:
1. Section 055113 "Metal Pan Stairs" for railings fabricated from pipe and tube
components.
1.3 DEFINITIONS
A. Railings: Guards, handrails, and similar devices used for protection of occupants at open-sided
floor areas and for pedestrian guidance and support, visual separation, or wall protection.
1.4 COORDINATION AND SCHEDULING
A. Coordinate selection of shop primers with topcoats to be applied over them. Comply with paint
and coating manufacturers' written instructions to ensure that shop primers and topcoats are
compatible.
B. Coordinate installation of anchorages for railings. Furnish setting drawings, templates, and
directions for installing anchorages, including sleeves, concrete inserts, anchor bolts, and items
with integral anchors, that are to be embedded in concrete or masonry. Deliver items to Project
site in time for installation.
C. Schedule installation so wall attachments are made only to completed walls. Do not support
railings temporarily by any means that do not meet structural performance requirements.
1.5 PREINSTALLATION MEETINGS
A. Preinstallation Conference: Conduct conference at Project site.
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DECORATIVE METAL RAILINGS 057300 - 2
1.6 ACTION SUBMITTALS
A. Product Data: For the following:
1. Manufacturer's product lines of railings assembled from standard components.
B. Sustainable Design Submittals:
1. Chain-of-Custody Certificates: For certified wood products. Include statement of costs.
C. Shop Drawings: Include plans, elevations, sections, and attachment details.
D. Samples for Verification: For each type of exposed finish required.
1. Sections of each distinctly different linear railing member, including handrails, top rails,
posts, and balusters.
2. Fittings and brackets.
3. Welded connections.
4. Assembled Samples of railing systems, made from full-size components, including top
rail, post, handrail, and infill. Show method of finishing members at intersections.
Samples need not be full height.
E. Delegated-Design Submittal: For installed products indicated to comply with performance
requirements and design criteria, including analysis data signed and sealed by the qualified
professional engineer responsible for their preparation.
1.7 QUALITY ASSURANCE
A. Welding Qualifications: Qualify procedures and personnel according to the following:
1. AWS D1.1/D1.1M, "Structural Welding Code - Steel."
1.8 FIELD CONDITIONS
A. Field Measurements: Verify actual locations of walls and other construction contiguous with
railings by field measurements before fabrication and indicate measurements on Shop
Drawings.
PART 2 - PRODUCTS
2.1 MANUFACTURERS
A. Steel and Iron Decorative Railings:
1. Manufacturers: Subject to compliance with requirements, provide products by one of the
following:
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DECORATIVE METAL RAILINGS 057300 - 3
a. Blum, Julius & Co., Inc.
b. C.R. Laurence Co., Inc.
c. Livers Bronze Co.
d. R & B Wagner, Inc.
B. Source Limitations: Obtain each type of railing from single source from single manufacturer.
C. Product Options: Information on Drawings and in Specifications establishes requirements for
system's aesthetic effects and performance characteristics. Aesthetic effects are indicated by
dimensions, arrangements, alignment, and profiles of components and assemblies as they relate
to sightlines, to one another, and to adjoining construction. Performance characteristics are
indicated by criteria subject to verification by one or more methods, including structural
analysis, preconstruction testing, field testing, and in-service performance.
1. Do not modify intended aesthetic effects, as judged solely by Architect, except with
Architect's approval. If modifications are proposed, submit comprehensive explanatory
data to Architect for review.
2.2 PERFORMANCE REQUIREMENTS
A. Delegated Design: Engage a qualified professional engineer, as defined in Section 014000
"Quality Requirements," to design railings, including attachment to building construction.
B. General: In engineering railings to withstand structural loads indicated, determine allowable
design working stresses of railing materials based on the following:
1. Stainless Steel: 60 percent of minimum yield strength.
2. Steel: 72 percent of minimum yield strength.
C. Structural Performance: Railings, including attachment to building construction, shall withstand
the effects of gravity loads and the following loads and stresses within limits and under
conditions indicated:
1. Handrails and Top Rails of Guards:
a. Uniform load of 50 lbf/ft. applied in any direction.
b. Concentrated load of 200 lbf applied in any direction.
c. Uniform and concentrated loads need not be assumed to act concurrently.
2. Infill of Guards:
a. Concentrated load of 50 lbf applied horizontally on an area of 1 sq. ft..
b. Infill load and other loads need not be assumed to act concurrently.
2.3 METALS, GENERAL
A. Metal Surfaces, General: Provide materials with smooth surfaces, without seam marks, roller
marks, rolled trade names, stains, discolorations, or blemishes.
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DECORATIVE METAL RAILINGS 057300 - 4
B. Brackets, Flanges, and Anchors: Same metal and finish as supported rails unless otherwise
indicated.
1. Provide formed-steel brackets with predrilled hole for bolted anchorage and with snap-on
cover that matches rail finish and conceals bracket base and bolt head.
2.4 STAINLESS STEEL
A. Wire Rope and Fittings:
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. Cable Connection (The).
b. Carl Stahl DecorCable, Inc.
c. Esmet, Inc.
d. Feeney, Inc.
e. Hayn Enterprises, LLC.
f. Johnson, C. Sherman, Co., Inc.
g. Loos & Co., Inc.; Cableware Division.
h. Ronstan International Inc.
i. Secosouth, Inc.
2. Wire Rope: 1-by-19 wire rope made from wire complying with ASTM A 492, Type 316.
3. Wire-Rope Fittings: Connectors of types indicated, fabricated from stainless steel, and
with capability to sustain, without failure, a load equal to minimum breaking strength of
wire rope with which they are used.
2.5 STEEL AND IRON
A. Recycled Content of Steel Products: Postconsumer recycled content plus one-half of
preconsumer recycled content not less than 25 percent.
B. Tubing: ASTM A 500/A 500M (cold formed) or ASTM A 513.
C. Bars: Hot-rolled, carbon steel complying with ASTM A 29/A 29M, Grade 1010.
D. Plates, Shapes, and Bars: ASTM A 36/A 36M.
E. Cast Iron: Either gray iron, ASTM A 48/A 48M, or malleable iron, ASTM A 47/A 47M, unless
otherwise indicated.
F. Woven-Wire Mesh: Intermediate-crimp, diamond square pattern, 2-inch woven-wire mesh,
made from 0.135-inch nominal diameter wire complying with ASTM A 510/A 510M.
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Cayuga Park, Ithaca, NY 14850
HOLT Project No. 2018089
DECORATIVE METAL RAILINGS 057300 - 5
2.6 FASTENERS
A. Fastener Materials: Unless otherwise indicated, provide the following:
1. Stainless-Steel Components: Type 316 stainless-steel fasteners.
2. Uncoated Steel Components: Plated-steel fasteners complying with ASTM B 633, Class
Fe/Zn 25 for electrodeposited zinc coating where concealed; Type 304 stainless-steel
fasteners where exposed.
3. Dissimilar Metals: Type 316 stainless-steel fasteners.
B. Fasteners for Anchoring to Other Construction: Select fasteners of type, grade, and class
required to produce connections suitable for anchoring railings to other types of construction
indicated and capable of withstanding design loads.
C. Provide concealed fasteners for interconnecting railing components and for attaching railings to
other work unless otherwise indicated.
1. Provide square or hex socket flat-head machine screws for exposed fasteners unless
otherwise indicated.
D. Post-Installed Anchors: Fastener systems with working capacity greater than or equal to the
design load, according to an evaluation report acceptable to authorities having jurisdiction,
based on ICC-ES AC193 or ICC-ES AC308.
1. Material for Interior Locations: Carbon-steel components zinc plated to comply with
ASTM B 633 or ASTM F 1941, Class Fe/Zn 5, unless otherwise indicated.
2.7 MISCELLANEOUS MATERIALS
A. Wood Rails: Clear, straight-grained hardwood rails secured to exposed metal subrail.
1. Species: White maple.
2. Finish: Manufacturer's standard, low VOC product.
3. Staining: None.
4. Profile: Round, 1-1/2-inch diameter.
5. Certified Wood: Fabricate wood rails from wood obtained from forests certified by an
FSC-accredited certification body to comply with FSC STD-01-001, "FSC Principles and
Criteria for Forest Stewardship."
B. Shop Primers: Provide primers that comply with Section 055113 "Metal Pan Stairs."
C. Intermediate Coats and Topcoats: Provide products that comply with Section 099123 "Interior
Painting."
2.8 FABRICATION
A. General: Fabricate railings to comply with requirements indicated for design, dimensions,
member sizes and spacing, details, finish, and anchorage, but not less than that required to
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Park Grove - Cayuga Medical Center
MEDICAL OFFICE BUILDING
Cayuga Park, Ithaca, NY 14850
HOLT Project No. 2018089
DECORATIVE METAL RAILINGS 057300 - 6
support structural loads.
B. Assemble railings in the shop to greatest extent possible to minimize field splicing and
assembly. Disassemble units only as necessary for shipping and handling limitations. Clearly
mark units for reassembly and coordinated installation. Use connections that maintain structural
value of joined pieces.
C. Make up wire-rope assemblies in the shop to field-measured dimensions with fittings machine
swaged. Minimize amount of turnbuckle take-up used for dimensional adjustment so maximum
amount is available for tensioning wire ropes. Tag wire-rope assemblies and fittings to identify
installation locations and orientations for coordinated installation.
D. Cut, drill, and punch metals cleanly and accurately. Remove burrs and ease edges to a radius of
approximately 1/32 inch unless otherwise indicated. Remove sharp or rough areas on exposed
surfaces.
E. Form work true to line and level with accurate angles and surfaces.
F. Fabricate connections that will be exposed to weather in a manner to exclude water. Provide
weep holes where water may accumulate. Locate weep holes in inconspicuous locations.
G. Cut, reinforce, drill, and tap as indicated to receive finish hardware, screws, and similar items.
H. Connections: Fabricate railings with welded connections unless otherwise indicated.
I. Welded Connections: Cope components at connections to provide close fit, or use fittings
designed for this purpose. Weld all around at connections, including at fittings.
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 flux immediately.
4. At exposed connections, finish exposed welds to comply with NOMMA's "Voluntary
Joint Finish Standards" for Type 1 welds; no evidence of a welded joint.
J. Mechanical Connections: Connect members with concealed mechanical fasteners and fittings.
Fabricate members and fittings to produce flush, smooth, rigid, hairline joints.
1. Fabricate splice joints for field connection using an epoxy structural adhesive if this is
manufacturer's standard splicing method.
K. Form changes in direction as follows:
1. By radius bends of radius indicated or by inserting prefabricated elbow fittings of radius
indicated.
L. Bend members in jigs to produce uniform curvature for each configuration required; maintain
cross section of member throughout entire bend without buckling, twisting, cracking, or
otherwise deforming exposed surfaces of components.
Received by DiMarco 02/25/2021
Park Grove - Cayuga Medical Center
MEDICAL OFFICE BUILDING
Cayuga Park, Ithaca, NY 14850
HOLT Project No. 2018089
DECORATIVE METAL RAILINGS 057300 - 7
M. Close exposed ends of hollow railing members with prefabricated end fittings.
N. Provide wall returns at ends of wall-mounted handrails unless otherwise indicated. Close ends
of returns, unless clearance between end of rail and wall is 1/4 inch or less.
O. Brackets, Flanges, Fittings, and Anchors: Provide wall brackets, flanges, miscellaneous fittings,
and anchors to interconnect railing members to other work unless otherwise indicated.
P. Provide inserts and other anchorage devices for connecting railings to concrete or masonry
work. Fabricate anchorage devices capable of withstanding loads imposed by railings.
Coordinate anchorage devices with supporting structure.
Q. Toe Boards: Where indicated, provide toe boards at railings around openings and at edge of
open-sided floors and platforms. Fabricate to dimensions and details indicated.
2.9 GENERAL FINISH REQUIREMENTS
A. Comply with NAAMM's "Metal Finishes Manual for Architectural and Metal Products"
recommendations for applying and designating finishes.
B. Protect mechanical finishes on exposed surfaces from damage by applying a strippable,
temporary protective covering before shipment.
C. Appearance of Finished Work: Noticeable variations in same piece are not acceptable.
Variations in appearance of abutting or adjacent pieces are acceptable if they are within
one-half of the range of approved Samples. Variations in appearance of other components are
acceptable if they are within the range of approved Samples and are assembled or installed to
minimize contrast.
D. Provide exposed fasteners with finish matching appearance, including color and texture, of
railings.
2.10 STAINLESS-STEEL FINISHES
A. Surface Preparation: Remove tool and die marks and stretch lines, or blend into finish.
B. When polishing is completed, passivate and rinse surfaces. Remove embedded foreign matter
and leave surfaces chemically clean.
2.11 STEEL AND IRON FINISHES
A. For nongalvanized-steel railings, provide nongalvanized ferrous-metal fittings, brackets,
fasteners, and sleeves, but galvanize anchors to be embedded in exterior concrete or masonry.
B. Preparing Nongalvanized Items for Shop Priming: Prepare uncoated ferrous-metal surfaces to
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Park Grove - Cayuga Medical Center
MEDICAL OFFICE BUILDING
Cayuga Park, Ithaca, NY 14850
HOLT Project No. 2018089
DECORATIVE METAL RAILINGS 057300 - 8
comply with SSPC-SP 7/NACE No. 4, "Brush-off Blast Cleaning."
C. Primer Application: Apply shop primer to prepared surfaces of railings unless otherwise
indicated. Comply with requirements in SSPC-PA 1, "Paint Application Specification No. 1:
Shop, Field, and Maintenance Painting of Steel," for shop painting. Primer need not be applied
to surfaces to be embedded in concrete or masonry.
D. High-Performance Coating: Apply epoxy intermediate and polyurethane topcoats to
prime-coated surfaces. Comply with coating manufacturer's written instructions and with
requirements in SSPC-PA 1, "Paint Application Specification No. 1: Shop, Field, and
Maintenance Painting of Steel," for shop painting. Apply at spreading rates recommended by
coating manufacturer.
1. Color: As selected by Architect from manufacturer's full range.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Examine plaster and gypsum board assemblies, where reinforced to receive anchors, to verify
that locations of concealed reinforcements have been clearly marked for Installer. Locate
reinforcements and mark locations if not already done.
3.2 INSTALLATION, GENERAL
A. Fit exposed connections together to form tight, hairline joints.
B. Perform cutting, drilling, and fitting required for installing railings. Set railings accurately in
location, alignment, and elevation; measured from established lines and levels and free of rack.
1. Do not weld, cut, or abrade surfaces of railing components that have been coated or
finished after fabrication and that are intended for field connection by mechanical or
other means without further cutting or fitting.
2. Set posts plumb within a tolerance of 1/16 inch in 3 feet.
3. Align rails so variations from level for horizontal members and variations from parallel
with rake of steps and ramps for sloping members do not exceed 1/4 inch in 12 feet.
C. Control of Corrosion: Prevent galvanic action and other forms of corrosion by insulating metals
and other materials from direct contact with incompatible materials.
1. Coat concealed surfaces of aluminum that will be in contact with grout, concrete,
masonry, wood, or dissimilar metals, with a heavy coat of bituminous paint.
D. Adjust railings before anchoring to ensure matching alignment at abutting joints.
E. Fastening to In-Place Construction: Use anchorage devices and fasteners where necessary for
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Park Grove - Cayuga Medical Center
MEDICAL OFFICE BUILDING
Cayuga Park, Ithaca, NY 14850
HOLT Project No. 2018089
DECORATIVE METAL RAILINGS 057300 - 9
securing railings and for properly transferring loads to in-place construction.
3.3 RAILING CONNECTIONS
A. Welded Connections: Use fully welded joints for permanently connecting railing components.
Comply with requirements for welded connections in "Fabrication" Article whether welding is
performed in the shop or in the field.
B. Expansion Joints: Install expansion joints at locations indicated but not farther apart than
required to accommodate thermal movement. Provide slip-joint internal sleeve extending 2
inches beyond joint on either side, fasten internal sleeve securely to one side, and locate joint
within 6 inches of post.
3.4 ANCHORING POSTS
A. Cover anchorage joint with flange of same metal as post, welded to post after placing anchoring
material.
B. Leave anchorage joint exposed with anchoring material flush with adjacent surface.
C. Anchor posts to metal surfaces with flanges, angle type, or floor type as required by conditions,
connected to posts and to metal supporting members as follows:
1. For steel railings, weld flanges to posts and bolt to metal-supporting surfaces.
3.5 ATTACHING RAILINGS
A. Anchor railing ends to metal surfaces with flanges bolted to metal surfaces and welded to
railing ends.
B. Attach handrails to walls with wall brackets except where end flanges are used. Provide
brackets with 1-1/2-inch clearance from inside face of handrail and finished wall surface.
Locate brackets as indicated or, if not indicated, at spacing required to support structural loads.
1. Use type of bracket with flange tapped for concealed anchorage to threaded hanger bolt.
2. Locate brackets as indicated or, if not indicated, at spacing required to support structural
loads.
C. Secure wall brackets and railing end flanges to building construction as follows:
1. For steel-framed partitions, use hanger or lag bolts set into fire-retardant-treated wood
backing between studs. Coordinate with stud installation to locate backing members.
2. For steel-framed partitions, fasten brackets directly to steel framing or concealed steel
reinforcements using self-tapping screws of size and type required to support structural
loads.
Received by DiMarco 02/25/2021
Park Grove - Cayuga Medical Center
MEDICAL OFFICE BUILDING
Cayuga Park, Ithaca, NY 14850
HOLT Project No. 2018089
DECORATIVE METAL RAILINGS 057300 - 10
3.6 CLEANING
A. Clean stainless steel by washing thoroughly with clean water and soap, rinsing with clean
water, and wiping dry.
B. Clean wood rails by wiping with a damp cloth and then wiping dry.
C. Touchup Painting: Immediately after erection, clean field welds, bolted connections, and
abraded areas of shop paint, and paint exposed areas with the same material used for shop
painting to comply with SSPC-PA 1 for touching up shop-painted surfaces.
1. Apply by brush or spray to provide a minimum 2.0-mil dry film thickness.
D. Touchup Painting: Cleaning and touchup painting of field welds, bolted connections, and
abraded areas of shop paint are specified in Section 099123 "Interior Painting."
3.7 PROTECTION
A. Protect finishes of railings from damage during construction period with temporary protective
coverings approved by railing manufacturer. Remove protective coverings at time of
Substantial Completion.
B. Restore finishes damaged during installation and construction period so no evidence remains of
correction work. Return items that cannot be refinished in the field to the shop; make required
alterations and refinish entire unit, or provide new units.
END OF SECTION 057300
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