HomeMy WebLinkAbout055000 Metal Fabrications.pdf Giant Eagle Market #6550 The Bridges, Carmel, Indiana
Building Shell Bid & Permit
DLA Project 2014040.00
August 12, 2014
METAL FABRICATIONS 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 overhead doors and grilles.
3. Steel framing and supports for mechanical and electrical equipment.
4. Steel framing and supports for applications where framing and supports are not specified
in other Sections.
5. Steel shapes for supporting elevator door sills.
6. Shelf angles.
7. Metal ladders.
8. Elevator pit sump covers.
9. Miscellaneous steel trim including steel angle corner guards, steel edgings and loading-
dock edge angles.
10. Metal bollards.
11. Downspout guards.
12. Cast-iron wheel guards.
13. Metal downspout boots.
14. Loose bearing and leveling plates for applications where they are not specified in other
Sections.
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 033000 "Cast-in-Place Concrete" for installing anchor bolts, steel pipe sleeves,
slotted-channel inserts, wedge-type inserts, and other items cast into concrete.
2. Section 042000 "Unit Masonry" for installing loose lintels, anchor bolts, and other items
built into unit masonry.
3. Section 051200 "Structural Steel Framing."
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METAL FABRICATIONS 2
4. Section 055113 “Metal Pan Stairs.”
5. Sections 055213 “Pipe and Tube Railings.”
6. Section 099100 “Painting.”
7. Section 129300 "Site Furnishings" for bicycle racks.
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 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. Paint products.
2. Grout.
B. LEED Submittals:
1. Product Data for Credit MR 4: For products having recycled content, documentation
indicating percentages by weight of postconsumer and preconsumer recycled content.
Include statement indicating cost for each product having recycled content.
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 overhead doors and grilles.
3. Steel framing and supports for mechanical and electrical equipment.
4. Steel framing and supports for applications where framing and supports are not specified
in other Sections.
5. Steel shapes for supporting elevator door sills.
6. Shelf angles.
7. Metal ladders.
8. Elevator pit sump covers.
9. Structural-steel door frames.
10. Miscellaneous steel trim including steel angle corner guards steel edgings and loading-
dock edge angles.
11. Metal bollards.
12. Downspout guards.
13. Metal downspout boots.
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Building Shell Bid & Permit
DLA Project 2014040.00
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METAL FABRICATIONS 3
14. Loose steel lintels.
D. Delegated-Design Submittal: For ladders, including analysis data signed and sealed by the
qualified professional engineer responsible for their preparation.
1.5 INFORMATIONAL SUBMITTALS
A. Qualification Data: For professional engineer.
B. Mill Certificates: Signed by stainless-steel manufacturers, certifying that products furnished
comply with requirements.
C. Welding certificates.
D. Paint Compatibility Certificates: From manufacturers of topcoats applied over shop primers,
certifying that shop primers are compatible with topcoats.
E. Research/Evaluation Reports: For post-installed anchors, from ICC-ES.
1.6 QUALITY ASSURANCE
A. Welding Qualifications: Qualify procedures and personnel according to AWS D1.1/D1.1M,
"Structural Welding Code - Steel."
B. Welding Qualifications: Qualify procedures and personnel according to the following:
1. AWS D1.1/D1.1M, "Structural Welding Code - Steel."
2. AWS D1.2/D1.2M, "Structural Welding Code - Aluminum."
3. AWS D1.6/D1.6M, "Structural Welding Code - Stainless Steel."
1.7 FIELD CONDITIONS
A. Field Measurements: Verify actual locations of walls 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.
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METAL FABRICATIONS 4
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 (67 deg C), ambient
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 not less than 25percent.
C. Steel Plates, Angles, Rods, and Bars: ASTM A 36/A 36M.
D. Steel Shapes (W shapes and Channels): ASTM A992/A 992M.
1.
E. Steel Tubing: ASTM A 500/A 500M, cold-formed steel tubing.
F. Steel Pipe: ASTM A 53/A 53M, Standard Weight (Schedule 40) unless otherwise indicated.
G. Cast Iron: Either gray iron, ASTM A 48/A 48M, or malleable iron, ASTM A 47/A 47M, unless
otherwise indicated.
2.3 FASTENERS
A. Steel Bolts and Nuts: Regular hexagon-head bolts, ASTM A 325, Type 3 (ASTM A 325M,
Type 3); with hex nuts, ASTM A 563, Grade C3 (ASTM A 563M, Class 8S3); and, where
indicated, flat washers.
B. Anchor Bolts: ASTM F 1554, Grade 36, of dimensions indicated; with nuts, ASTM A 563
(ASTM A 563M); and, where indicated, flat washers.
1. Hot-dip galvanize or provide mechanically deposited, zinc coating where item being
fastened is indicated to be galvanized.
C. Anchors, General: 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.
D. Cast-in-Place Anchors in Concrete: Either threaded type or wedge type unless otherwise
indicated; galvanized ferrous castings, either ASTM A 47/A 47M malleable iron or
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METAL FABRICATIONS 5
ASTM A 27/A 27M cast steel. Provide bolts, washers, and shims as needed, all hot-dip
galvanized per ASTM F 2329.
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 B 633 or ASTM F 1941 (ASTM F 1941M), Class Fe/Zn 5, unless otherwise
indicated.
2.4 MISCELLANEOUS MATERIALS
A. Shop Primers: Provide primers that comply with Section 099100 "Painting."
B. 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.
C. Water-Based Primer: Emulsion type, anticorrosive primer for mildly corrosive environments
that is resistant to flash rusting when applied to cleaned steel, complying with MPI#107 and
compatible with topcoat.
D. Epoxy Zinc-Rich Primer: Complying with MPI#20 and compatible with topcoat.
E. Shop Primer for Galvanized Steel: Primer formulated for exterior use over zinc-coated metal
and compatible with finish paint systems indicated.
F. Galvanizing Repair Paint: High-zinc-dust-content paint complying with SSPC-Paint 20 and
compatible with paints specified to be used over it.
G. Nonshrink, Nonmetallic Grout: Factory-packaged, nonstaining, noncorrosive, nongaseous grout
complying with ASTM C 1107/C 1107M. Provide grout specifically recommended by
manufacturer for interior and exterior applications.
H. 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 (20
MPa).
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 (1 mm) unless otherwise indicated. Remove sharp or rough areas on
exposed surfaces.
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Building Shell Bid & Permit
DLA Project 2014040.00
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METAL FABRICATIONS 6
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
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.
1. Provide continuous weld all around at seams, joints and connections. Grind all welds
smooth.
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 (3.2 by 38 mm), with a minimum 6-inch (150-
mm) embedment and 2-inch (50-mm) hook, not less than 8 inches (200 mm) from ends and
corners of units and 24 inches (600 mm) 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.
C. Fabricate supports for operable partitions from continuous steel beams of sizes indicated with
attached bearing plates, anchors, and braces as indicated and [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.
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Building Shell Bid & Permit
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METAL FABRICATIONS 7
D. Galvanize miscellaneous framing and supports where indicated.
E. Prime miscellaneous framing and supports with zinc-rich primer.
2.7 SHELF AND RELIEF ANGLES
A. Fabricate shelf and relief angles from steel angles of sizes indicated and for attachment to steel
framing.
1. Provide mitered and welded units at corners.
2. Provide open joints in shelf and relief 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 and relief angles located in exterior walls.
2.8 METAL LADDERS
A. General:
1. 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 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. Provide nonslip surfaces on top of each rung by coating with abrasive material
metallically bonded to rung.
7. Support each ladder at top and bottom and not more than 60 inches o.c. with welded or
bolted steel brackets.
8. Prime exterior ladders, including brackets and fasteners, with zinc-rich primer.
2.9 ELEVATOR PIT SUMP COVERS
A. Fabricate from welded or pressure-locked steel bar grating Limit openings in gratings to no
more than 1/2 inch (12 mm) in least dimension.
B. Provide steel angle supports at perimeter of formed sump.
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Building Shell Bid & Permit
DLA Project 2014040.00
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METAL FABRICATIONS 8
2.10 MISCELLANEOUS STEEL TRIM
A. Unless otherwise indicated, fabricate units from steel shapes, plates, and bars of profiles shown
with continuously welded joints and smooth exposed edges. Miter corners and use concealed
field splices where possible.
B. Provide cutouts, fittings, and anchorages as needed to coordinate assembly and installation with
other work.
1. Provide with integrally welded steel strap anchors for embedding in concrete or masonry
construction.
C. Prime exterior miscellaneous steel trim with zinc-rich primer.
2.11 METAL BOLLARDS
A. Fabricate metal bollards from Schedule 40 steel pipe.
B. Cap bollards with 1/4-inch-thick steel plate.
C. Prime bollards with zinc-rich primer.
2.12 DOWNSPOUT GUARDS
A. Fabricate downspout guards from 3/8-inch- thick by 12-inch-wide by 24 inch high steel plate,
bent to fit flat against the wall or column at both ends and to fit around pipe with 2-inch
clearance between pipe and pipe guard. Drill each end for two 3/4-inch anchor bolts.
B. Galvanize downspout guards.
2.13 METAL DOWNSPOUT BOOTS
A. Provide downspout boots made from cast iron in heights indicated with inlets of size and shape
to suit downspouts. Provide units with flanges and holes for countersunk anchor bolts.
1. Outlet: Vertical, to discharge into pipe.
B. Prime cast-iron downspout boots with zinc-rich primer.
2.14 LOOSE BEARING AND LEVELING PLATES
A. Provide loose bearing and leveling plates for steel items bearing on masonry or concrete
construction. Drill plates to receive anchor bolts and for grouting.
B. Galvanize plates located in exterior walls.
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METAL FABRICATIONS 9
C. Prime plates with primer specified in Section 099100 “Painting”.
2.15 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. Galvanize loose steel lintels located in exterior walls.
2.16 STEEL WELD PLATES AND ANGLES
A. Provide steel weld plates and angles not specified in other Sections, for items supported from
concrete construction as needed to complete the Work. Provide each unit with no fewer than
two integrally welded steel strap anchors for embedding in concrete.
2.17 FINISHES, GENERAL
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.
2.18 STEEL AND IRON FINISHES
A. Galvanizing: Hot-dip galvanize items as indicated to comply with ASTM A 153/A 153M for
steel and iron hardware and with ASTM A 123/A 123M 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 railings 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 or masonry, or unless otherwise indicated.
1. Shop prime with primers specified in Section 099100 “Painting”. "
D. Preparation for Shop Priming: Prepare surfaces to comply with [SSPC-SP 6/NACE No. 3,
"Commercial Blast Cleaning."
1. Exterior Items: SSPC-SP 6/NACE No. 3, "Commercial Blast Cleaning."
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METAL FABRICATIONS 10
2. Items Indicated to Receive Zinc-Rich Primer: SSPC-SP 6/NACE No. 3, "Commercial
Blast Cleaning."
3. Items Indicated to Receive Primers Specified in Section 099100 “Painting SSPC-
SP 6/NACE No. 3, "Commercial Blast Cleaning."
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 INSTALLING 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.
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METAL FABRICATIONS 11
B. Anchor supports for operable partitions, overhead doors] and overhead grilles securely to, and
rigidly brace from, building structure.
C. Support steel girders on solid grouted masonry, concrete, or steel pipe columns. Secure girders
with anchor bolts embedded in grouted masonry or concrete or with bolts through top plates of
pipe columns.
1. Where grout space under bearing plates is indicated for girders supported on concrete or
masonry, install as specified in "Installing Bearing and Leveling Plates" Article.
D. Install pipe columns on concrete footings with grouted baseplates. Position and grout column
baseplates as specified in "Installing Bearing and Leveling Plates" Article.
1. Grout baseplates of columns supporting steel girders after girders are installed and
leveled.
3.3 INSTALLING METAL BOLLARDS
A. Fill metal-capped bollards solidly with concrete and allow concrete to cure seven days before
installing.
1. Do not fill removable bollards with concrete.
B. Anchor bollards in place with concrete footings. Center and align bollards in holes 3 inches
above bottom of excavation. Place concrete and vibrate or tamp for consolidation. Support and
brace bollards in position until concrete has cured.
C. Fill bollards solidly with concrete, mounding top surface to shed water.
3.4 INSTALLING NOSINGS, TREADS, AND THRESHOLDS
A. Center nosings on tread widths unless otherwise indicated.
B. For nosings embedded in concrete steps or curbs, align nosings flush with riser faces and level
with tread surfaces.
C. Seal thresholds exposed to exterior with elastomeric sealant complying with Section 079200
"Joint Sealants" to provide a watertight installation.
3.5 INSTALLING BEARING AND LEVELING PLATES
A. Clean concrete and masonry bearing surfaces of bond-reducing materials, and roughen to
improve bond to surfaces. Clean bottom surface of plates.
B. Set bearing and leveling plates on wedges, shims, or leveling nuts. After bearing members have
been positioned and plumbed, tighten anchor bolts. Do not remove wedges or shims but, if
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METAL FABRICATIONS 12
protruding, cut off flush with edge of bearing plate before packing with nonshrink grout. Pack
grout solidly between bearing surfaces and plates to ensure that no voids remain.
3.6 ADJUSTING AND CLEANING
A. Touchup Painting: Immediately after erection, clean field welds, bolted connections, and
abraded areas. Paint uncoated and abraded areas with the 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.
B. Galvanized Surfaces: Clean field welds, bolted connections, and abraded areas and repair
galvanizing to comply with ASTM A 780/A 780M.
END OF SECTION 055000