HomeMy WebLinkAbout05 52 13.DOCMATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101
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CARMEL CITY CENTER Date 03.26.12 METAL TUBE RAILINGS
MATT THE MILLER’S; CARMEL CITY CENTER; SUITE 101
SECTION 05 52 13 - METAL TUBE 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 tube railings.
B. Related Sections:
1. Section 06 10 00 "Rough Carpentry" for wood blocking for anchoring railings.
2. Section 09 22 16 "Non-Structural Metal Framing" for metal backing for anchoring railings.
1.3 PERFORMANCE REQUIREMENTS
A. Delegated Design: Design railings, including comprehensive engineering analysis by a qualified
professional engineer, using performance requirements and design criteria indicated.
B. General: In engineering railings to withstand structural loads indicated, determine allowable
design working stresses of railing materials based on the following:
1. Steel: 72 percent of minimum yield strength.
C. Structural Performance: 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:
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.
D. 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.
E. Control of Corrosion: Prevent galvanic action and other forms of corrosion by insulating metals
and other materials from direct contact with incompatible materials.
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1.4 ACTION SUBMITTALS
A. Product Data: For the following:
1. Manufacturer's product lines of mechanically connected railings.
2. Railing brackets.
3. Grout, anchoring cement, and paint products.
B. Shop Drawings: Include plans, elevations, sections, details, and attachments to other work.
C. Samples for Initial Selection: For products involving selection of color, texture, or design.
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. Assembled Sample of railing system, made from full-size components, including top rail,
post, handrail, and infill. Sample need not be full height.
a. Show method of finishing members at intersections.
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.
1.5 INFORMATIONAL SUBMITTALS
A. Qualification Data: For qualified professional engineer and testing agency.
B. Mill Certificates: Signed by manufacturers of stainless-steel products 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. Product Test Reports: Based on evaluation of comprehensive tests performed by a qualified
testing agency, according to ASTM E 894 and ASTM E 935.
1.6 QUALITY ASSURANCE
A. Source Limitations: Obtain each type of railing from single source from single manufacturer.
B. Welding Qualifications: Qualify procedures and personnel according to AWS D1.1, "Structural
Welding Code - Steel."
C. Welding Qualifications: Qualify procedures and personnel according to the following:
1. AWS D1.1, "Structural Welding Code - Steel."
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1.7 PROJECT CONDITIONS
A. Field Measurements: Verify actual locations of walls and other construction contiguous with
metal fabrications by field measurements before fabrication.
1.8 COORDINATION AND SCHEDULING
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 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 such 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 satisfy structural performance requirements.
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. Steel Pipe and Tube Railings:
a. Pisor Industries, Inc.
b. Wagner, R & B, Inc.; a division of the Wagner Companies.
2.2 METALS, GENERAL
A. Metal Surfaces, General: Provide materials with smooth surfaces, without seam marks, roller
marks, rolled trade names, stains, discolorations, or blemishes.
B. Brackets, Flanges, and Anchors: Cast or formed metal of same type of material and finish as
supported rails unless otherwise indicated.
2.3 STEEL AND IRON
A. Recycled Content of Steel Products: Postconsumer recycled content plus one-half of pre-
consumer recycled content not less than 25 percent.
B. Tubing: ASTM A 500 (cold formed) or ASTM A 513.
C. Plates, Shapes, and Bars: ASTM A 36.
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2.4 FASTENERS
A. General: Provide the following:
1. Hot-Dip Galvanized Railings: Type 304 stainless-steel or hot-dip zinc-coated steel
fasteners complying with ASTM A 153 or ASTM F 2329 for zinc coating.
B. Fasteners for Anchoring Railings 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. Fasteners for Interconnecting Railing Components:
1. Provide concealed fasteners for interconnecting railing components and for attaching
them to other work, unless exposed fasteners are unavoidable or are the standard
fastening method for railings indicated.
2. Provide Phillips flat-head machine screws for exposed fasteners unless otherwise
indicated.
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, 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.
2.5 MISCELLANEOUS MATERIALS
A. Welding Rods and Bare Electrodes: Select according to AWS specifications for metal alloy
welded.
B. Etching Cleaner for Galvanized Metal: Complying with MPI#25.
C. Galvanizing Repair Paint: High-zinc-dust-content paint complying with SSPC-Paint 20 and
compatible with paints specified to be used over it.
D. Shop Primers: Provide primers that comply with Section 09 91 00 "Painting" and Section 09 96
00 "High-Performance Coatings."
E. 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.
F. Shop Primer for Galvanized Steel: Water based galvanized metal primer complying with
MPI#134.
G. Bituminous Paint: Cold-applied asphalt emulsion complying with ASTM D 1187.
H. Non-shrink, Nonmetallic Grout: Factory-packaged, non-staining, noncorrosive, nongaseous
grout complying with ASTM C 1107. Provide grout specifically recommended by manufacturer
for interior and exterior applications.
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I. Anchoring Cement: Factory-packaged, non-shrink, non-staining, hydraulic-controlled expansion
cement formulation for mixing with water at Project site to create pourable anchoring, patching,
and grouting compound.
2.6 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
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. 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 work true to line and level with accurate angles and surfaces.
E. Fabricate connections that will be exposed to weather in a manner to exclude water. Provide
weep holes where water may accumulate.
F. Cut, reinforce, drill, and tap as indicated to receive finish hardware, screws, and similar items.
G. Connections: Fabricate railings with either welded or non-welded connections unless otherwise
indicated.
H. 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 surfaces smooth and blended so no roughness
shows after finishing and welded surface matches contours of adjoining surfaces.
I. Non-welded 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.
J. Form changes in direction as follows:
1. As detailed.
K. 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.
L. Close exposed ends of railing members with prefabricated end fittings.
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M. 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.
N. Brackets, Flanges, Fittings, and Anchors: Provide wall brackets, flanges, miscellaneous fittings,
and anchors to interconnect railing members to other work unless otherwise indicated.
1. At brackets and fittings fastened to plaster or gypsum board partitions, provide crush-
resistant fillers, or other means to transfer loads through wall finishes to structural
supports and prevent bracket or fitting rotation and crushing of substrate.
O. For railing posts set in concrete, provide steel sleeves not less than 6 inches long with inside
dimensions not less than 1/2 inch greater than outside dimensions of post, with metal plate
forming bottom closure.
1. Provide chain with eye, snap hook, and staple across gaps formed by removable railing
sections at locations indicated. Fabricate from same metal as railings.
2.7 FINISHES, GENERAL
A. Comply with NAAMM's "Metal Finishes Manual for Architectural and Metal Products" for
recommendations for applying and designating finishes.
B. Protect mechanical finishes on exposed surfaces from damage by applying a strippable,
temporary protective covering before shipping.
C. 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.
D. Provide exposed fasteners with finish matching appearance, including color and texture, of
railings.
2.8 STEEL AND IRON FINISHES
A. Galvanized Railings:
1. Hot-dip galvanize indicated steel and iron railings, including hardware, after fabrication.
2. Comply with ASTM A 123 for hot-dip galvanized railings.
3. Comply with ASTM A 153 for hot-dip galvanized hardware.
4. Do not quench or apply post galvanizing treatments that might interfere with paint
adhesion.
5. Fill vent and drain holes that will be exposed in the finished Work, unless indicated to
remain as weep holes, by plugging with zinc solder and filing off smooth.
B. For galvanized railings, provide hot-dip galvanized fittings, brackets, fasteners, sleeves, and
other ferrous components.
C. Preparing Galvanized Railings for Shop Priming: After galvanizing, thoroughly clean railings of
grease, dirt, oil, flux, and other foreign matter, and treat with etching cleaner.
D. 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:
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Shop, Field, and Maintenance Painting of Steel," for shop painting. Primer need not be applied
to surfaces to be embedded in concrete or masonry.
1. Shop prime uncoated railings with universal shop primer unless primers specified in
Section 09 96 00 "High-Performance Coatings" are indicated.
E. Shop-Painted Finish: Comply with Section 09 96 00 "High-Performance Coatings."
1. Color: As selected by Architect from manufacturer's full range.
F. 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: Refer to Finish Legend on Drawings.
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. Corrosion Protection: 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
securing railings and for properly transferring loads to in-place construction.
3.3 RAILING CONNECTIONS
A. Non-welded Connections: Use mechanical or adhesive joints for permanently connecting railing
components. Seal recessed holes of exposed locking screws using plastic cement filler colored
to match finish of railings.
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B. 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.
C. 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. Use metal sleeves preset and anchored into concrete for installing posts. After posts have been
inserted into sleeves, fill annular space between post and sleeve with non-shrink, nonmetallic
grout or anchoring cement, mixed and placed to comply with anchoring material manufacturer's
written instructions.
B. Form or core-drill holes not less than 5 inches deep and 3/4 inch larger than OD of post for
installing posts in concrete. Clean holes of loose material, insert posts, and fill annular space
between post and concrete with non-shrink, nonmetallic grout or anchoring cement, mixed and
placed to comply with anchoring material manufacturer's written instructions.
C. Cover anchorage joint with flange of same metal as post, attached to post with set screws.
D. Anchor posts to metal surfaces with oval flanges, angle type, or floor type as required by
conditions, connected to posts and to metal supporting members as follows:
E. Install removable railing sections, where indicated, in slip-fit metal sockets cast in concrete.
3.5 ATTACHING RAILINGS
A. Anchor railing ends at walls with round flanges anchored to wall construction and connected to
railing ends using non-welded connections.
B. Anchor railing ends to metal surfaces with flanges bolted to metal surfaces and connected to
railing ends using non-welded connections.
C. Attach railings to wall 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
predrilled hole for exposed bolt anchorage.
2. Locate brackets as indicated or, if not indicated, at spacing required to support structural
loads.
D. 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.
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3.6 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 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.
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.
END OF SECTION 05 52 13