Project MDACC No. XX-XXXX A/E Name A/E Project No. SECTION 05 50 00 METAL FABRICATIONS
MDACC PROJECT NAME Issue Description Month, 00, 0000
PART 1 - GENERAL 0.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section. B. Specifications throughout all Divisions of the Project Manual are directly applicable to this Section, and this Section is directly applicable to them. 0.2 REFERENCE STANDARDS A. The latest published edition of a reference shall be applicable to this Project unless identified by a specific edition date. B. All reference amendments adopted prior to the effective date of this Contract shall be applicable to this Project. C. All materials, installation and workmanship shall comply with all applicable requirements and standards. 0.3 QUALITY ASSURANCE A. Fabricator Qualifications: Firm experienced in successfully producing metal fabrications similar to that indicated for this Project, with sufficient production capacity to produce required units without causing delay in the Work. B. Installer Qualifications: Arrange for installation of metal fabrications specified in this section by same firm that fabricated them. C. Qualify welding processes and welding operators in accordance with AWS D1.1 "Structural Welding Code Steel," D1.3 "Structural Welding Code Sheet Steel", and D1.2 "Structural Welding Code Aluminum." 1. Certify that each welder has satisfactorily passed AWS qualification tests for welding processes involved and, if pertinent, has undergone recertification. 0.4 SUBMITTALS A. Product Data: 1. 2. Owner. B. Record Documents: 1. Shop drawings detailing fabrication and erection of each metal fabrication indicated. Include plans, elevations, sections, and details of metal fabrications and their connections. Show anchorage and accessory items. Provide templates for anchors and bolts specified for installation under other sections. The University of Texas M. D. Anderson Cancer Center MS010107 METAL FABRICATIONS 05 50 00 1 OF 13 Product data and installation instructions for each prefabricated item of miscellaneous metal fabrications and accessories. Samples representative of materials and finished products as may be requested by
MDACC Project No. XX-XXXX A/E Name A/E Project No. a.
MDACC PROJECT NAME Issue Description Month, 00, 0000
Where installed metal fabrications are indicated to comply with certain design loadings, include structural computations, material properties, and other information needed for structural analysis that has been signed and sealed by the qualified professional engineer who was responsible for their preparation.
0.5
PROJECT CONDITIONS A. Field Measurements: Check actual locations of walls and other construction to which metal fabrications must fit, by accurate field measurements before fabrication; show recorded measurements on final shop drawings. Coordinate fabrication schedule with construction progress to avoid delay of Work.
1.
Where field measurements cannot be made without delaying the Work, guarantee dimensions and proceed with fabrication of products without field measurements. Coordinate construction to ensure that actual opening dimensions correspond to guaranteed dimensions. Allow for trimming and fitting. PART 2 - PRODUCTS 0.1 GENERAL A. All materials shall meet or exceed all applicable referenced standards, federal, state and local requirements, and conform to codes and ordinances of authorities having jurisdiction. 0.2 FERROUS METALS A. For metal fabrications exposed to view upon completion of the Work, provide materials selected for their surface flatness, smoothness, and freedom from surface blemishes. Do not use materials whose exposed surfaces exhibit pitting, seam marks, roller marks, rolled trade names, roughness, and, for steel sheet, variations in flatness exceeding those permitted by reference standards for stretcher leveled sheet. B. Steel Plates, Shapes, and Bars: ASTM A 36. C. Rolled Steel Floor Plates: ASTM A 786. D. Steel Bars for Gratings: ASTM A 569 or ASTM A 36. E. Wire Rod for Grating Cross Bars: ASTM A 510. F. Steel Tubing: Product type (manufacturing method) and as follows:
1.
Cold Formed Steel Tubing: ASTM A 500, grade as indicated below: a. b. Grade A, unless otherwise indicated or required for design loading. For exterior installations and where indicated, provide tubing with hot dip galvanized coating per ASTM A 53. Commercial quality, product type (method of manufacture) as
G. Uncoated Steel Sheet: follows: 1.
Cold Rolled Steel Sheet: ASTM A 366 H. Galvanized Steel Sheet: Commercial Quality; ASTM A 526, G90 coating designation unless otherwise indicated. The University of Texas M. D. Anderson Cancer Center MS010107 METAL FABRICATIONS 05 50 00 2 OF 13
MDACC Project No. XX-XXXX A/E Name A/E Project No. I. Steel Pipe: ASTM A 53; finishand type as follows: 1. 2. J. Black finish, unless otherwise indicated. Galvanized finish for exterior installations and where indicated. Gray Iron Castings: ASTM A 48, Class 30.
MDACC PROJECT NAME Issue Description Month, 00, 0000
K. Malleable Iron Castings: ASTM A 47, grade 32510. L. Brackets, Flanges and Anchors: Cast or formed metal of the same type material and finish as supported rails, unless otherwise indicated. M. Concrete Inserts: Threaded or wedge type; galvanized ferrous castings, either malleable iron, ASTM A 47, or cast steel, ASTM A 27. Provide bolts, washers, and shims as required, hot dip galvanized per ASTM A 153. N. Welding Rods and Bare Electrodes: Select in accordance with AWS specifications for the metal alloy to be welded. 0.3 MEDICAL EQUIPMENT SUPPORT SYSTEM A. To establish standards of manufacture, operation, performance, and appearance, drawings and specifications are based on products of Unistrut Corporation. Provided compliance with requirements, products of other manufacturers may also be acceptable if accepted in advance by the Owner. B. Provide all Metal Framing material, fittings and related strut system accessories as required by Project conditions. Rails at finished ceiling shall be on centers as required by equipment manufacturer and allow continuous attachment along any point on the rail. System shall be true, plumb and level to the tolerances indicated when maximum loading conditions are applied due to equipment operation. 1. 2. Support Members: "K series" X-Ray channel with spacing to allow installation of standard modular 24" ceiling fixtures and equipment. Vertical Supports: 12 gage Telespar vertical supports with provision for both basic and micro vertical adjustments. C. Loading: Design the support structure to support the maximum concentrated load that will be encountered by positioning the equipment at the extremities of its travel at any single point along the exposed rails. D. Safety Factor: The system shall be designed with a minimum safety factor of 3 based upon ultimate strength under static loading conditions. E. Provide all components finished with manufacturer's standard electro-galvanized finish. 0.4 STAINLESS STEEL A. Bar Stock: ASTM A 276, Type 302 or 304. B. Plate: ASTM A 167, Type 302 or 304. 0.5 ALUMINUM A. Extruded Bars and Shapes: ASTM B 221, alloys 6063-T6: The University of Texas M. D. Anderson Cancer Center MS010107 METAL FABRICATIONS 05 50 00 3 OF 13
MDACC Project No. XX-XXXX A/E Name A/E Project No. B. Aluminum Alloy Rolled Tread Plate: ASTM B 632, alloys 6061-T6:
MDACC PROJECT NAME Issue Description Month, 00, 0000
C. Aluminum Sheet for Expanded Aluminum Grating: ASTM B 209, alloy 5052 H32. 0.6 GROUT AND ANCHORING CEMENT A. Nonshrink Nonmetallic Grout: Premixed, factory packaged, nonstaining, noncorrosive, nongaseous grout complying with ASTM C 1107. Provide grout specifically recommended by manufacturer for interior and exterior applications of type specified in this section. 1. 2. 3. 4. 5. 6. 7. 8. 9. "B-6 Construction Grout"; W. R. Bonsal Co. "Diamond Crete Grout"; Concrete Service Materials Co. "Euco N S Grout"; Euclid Chemical Co. "Masterflow 928 and 713"; Master Builders. "Sealtight 588 Grout"; W. R. Meadows, Inc. "Sonogrout 14"; Sonneborn Building Products. "Stoncrete NM1"; Stonhard, Inc. "Five Star Grout"; U. S. Grout Corp. "Vibropruf #11"; Lambert Corp. B. Interior Anchoring Cement: Factory prepackaged, nonshrink, nonstaining, hydraulic controlled expansion cement formulation for mixing with water at Project Site to create pourable anchoring, patching, and grouting compound. Use for interior applications only. 1. 2. "Bonsal Anchor Cement"; W. R. Bonsal Co. "Por Rok"; Minwax Construction Products Division. C. Nonshrink Metallic Grout: Premixed, factory packaged, ferrous aggregate grout complying with ASTM C 1107 2, specifically recommended by manufacturer for heavy duty loading applications of type specified in this section. 1. 2. 3. 4. Products, Inc. 0.7 FASTENERS A. Provide zinc coated fasteners for exterior use or where built into exterior walls. fasteners for the type, grade, and class required. B. Bolts and Nuts: Regular hexagon head type, ASTM A 307, Grade A. C. Lag Bolts: Square head type, FS FF B 561. The University of Texas M. D. Anderson Cancer Center MS010107 METAL FABRICATIONS 05 50 00 4 OF 13 Select "Metox RM"; Chem Masters Corp. "Hi Mod Grout"; Euclid Chemical Co. "Embeco 885 and 636"; Master Builders. "Ferrolith G Redi Mix and G NC"; Sonneborn Building Products Div., Rexnord Chemical
MDACC Project No. XX-XXXX A/E Name A/E Project No. D. Machine Screws: Cadmium plated steel, FS FF S 92. E. Wood Screws: Flat head carbon steel, FS FF S 111. F. Plain Washers: Round, carbon steel, FS FF W 92.
MDACC PROJECT NAME Issue Description Month, 00, 0000
G. Drilled In Expansion Anchors: Expansion anchors complying with FS FF S 325, Group VIII (anchors, expansion, [nondrilling]), Type I (internally threaded tubular expansion anchor); and machine bolts complying with FS FF B 575, Grade 5. H. Toggle Bolts: Tumble wing type, FS FF B 588, type, class, and style as required. I. Lock Washers: Helical spring type carbon steel, FS FF W 84. 0.8 PAINT A. Shop Primer for Ferrous Metal: Manufacturer's or fabricator's standard, fast curing, lead free, universal modified alkyd primer selected for good resistance to normal atmospheric corrosion, for compatibility with finish paint systems indicated, and for capability to provide a sound foundation for field applied topcoats despite prolonged exposure complying with performance requirements of FS TT P 645. B. Galvanizing Repair Paint: High zinc dust content paint for regalvanizing welds in galvanized steel, with dry film containing not less than 94 percent zinc dust by weight, and complying with DOD P 21035 or SSPC Paint 20. C. Bituminous Paint: Cold applied asphalt mastic complying with SSPC Paint 12 except containing no asbestos fibers. 0.9 FABRICATION, GENERAL A. Form metal fabrications from materials of size, thickness, and shapes indicated but not less than that needed to comply with performance requirements indicated. Work to dimensions indicated or accepted on shop drawings, using proven details of fabrication and support. Use type of materials indicated or specified for various components of each metal fabrication. B. Form exposed work true to line and level with accurate angles and surfaces and straight sharp edges. C. Allow for thermal movement resulting from 100 degrees F (55.5 degrees C) maximum change (range) in ambient temperature in the design, fabrication, and installation of installed metal assemblies to prevent buckling, opening up of joints, and overstressing of welds and fasteners. Base design calculations on actual surface temperatures of metals due to both solar heat gain and nighttime sky heat loss. D. Shear and punch metals cleanly and accurately. Remove burrs. E. Ease exposed edges to a radius of approximately 1/32 inch, unless otherwise indicated. Form bent metal corners to smallest radius possible without causing grain separation or otherwise impairing work. F. Remove sharp or rough areas on exposed traffic surfaces. G. Weld corners and seams continuously to comply with AWS recommendations and the following:
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MDACC Project No. XX-XXXX A/E Name A/E Project No. 1. 2. 3. 4.
MDACC PROJECT NAME Issue Description Month, 00, 0000
Use materials and methods that minimize distortion and develop strength and corrosion resistance of base metals. Obtain fusion without undercut or overlap. Remove welding flux immediately. At exposed connections, finish exposed welds and surfaces smooth and blended so that no roughness shows after finishing and contour of welded surface matches those adjacent. H. Form exposed connections with hairline joints, flush and smooth, using concealed fasteners wherever possible. Use exposed fasteners of type indicated or, if not indicated, Phillips flat head (countersunk) screws or bolts. Locate joints where least conspicuous. I. Provide for anchorage of type indicated; coordinate with supporting structure. Fabricate and space anchoring devices to provide adequate support for intended use. J. Preassemble items in shop to greatest extent possible to minimize field splicing and assembly. 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.
K. Cut, reinforce, drill and tap miscellaneous metal work as indicated to receive finish hardware, screws, and similar items. L. Fabricate joints that will be exposed to weather in a manner to exclude water, or provide weep holes where water may accumulate. 0.10 ROUGH HARDWARE A. Furnish bent or otherwise custom fabricated bolts, plates, anchors, hangers, dowels, and other miscellaneous steel and iron shapes as required for framing and supporting woodwork, and for anchoring or securing woodwork to concrete or other structures. Straight bolts and other stock rough hardware items are specified in Division 06 sections. B. Fabricate items to sizes, shapes, and dimensions required. Furnish malleable iron washers for heads and nuts which bear on wood structural connections; elsewhere, furnish steel washers. 0.11 STEEL LADDERS A. Fabricate ladders for the locations shown, with dimensions, spacing, and anchorages as indicated. Unless otherwise indicated, fabricate ladders with component parts specified herein. Comply with requirements of ANSI A14.3. B. Siderails: Continuous steel flat bars, 1/2 inch x 2 1/2 inches, with eased edges, spaced 18 inches apart. C. Bar Rungs: Round steel bars, 3/4 inch diameter, spaced 12 inches on center. D. Bar Rungs: Square steel bars, 3/4 inch, spaced 12 inches on center. E. Fit rungs in centerline of side rails, plug weld and grind smooth on outer rail faces. F. Support each ladder at top and bottom and at intermediate points spaced not more than 5' 0" on center by means of welded or bolted steel brackets. The University of Texas M. D. Anderson Cancer Center MS010107 METAL FABRICATIONS 05 50 00 6 OF 13
MDACC Project No. XX-XXXX A/E Name A/E Project No. 1. 2.
MDACC PROJECT NAME Issue Description Month, 00, 0000
Size brackets to support design dead and live loads indicated and to hold centerline of ladder rungs clear of the wall surface by not less than 7 inches. Extend side rails 42 inches above top rung, and return rails to wall or structure unless other secure handholds are provided. If the adjacent structure does not extend above the top rung, goose neck the extended rails back to the structure to provide secure ladder access. G. Provide non slip surface on top of each rung, either by coating the rung with aluminum oxide granules set in epoxy resin adhesive, or by using a type of manufactured rung which is filled with aluminum oxide grout. 0.12 SHIP'S LADDERS A. Provide ship's ladders where indicated. Fabricate of open type construction with structural steel channel or steel plate stringers, pipe handrails, and open steel grating treads, unless otherwise indicated. Provide all necessary brackets and fittings for installation. B. Galvanize all ladders, including, brackets and fasteners. 0.13 ABRASIVE NOSINGS A. Provide abrasive nosings stair on treads where indicated fabricated with an aluminum base and an aluminum oxide or silicone carbide abrasive filler.
1. 2. 3. minimum.
Provide configuration of nosings as indicated and appropriate to the stair construction. Size nosings to extend full width of concrete-filled steel pan treads and approximately 3 inches short of each end of concrete stair treads. Provide color of filler as selected by Owner from manufacturer's standards; 8 choices B. Product: Subject to compliance with requirements, provide "Supergrit Safety Nosings" by Wooster Products Inc., or equal product of one of the following:
1. 2. 3. 4. 0.14
Amstep Products American Safety Tread Co. Armstrong Products Inc. Safe-T-Metal Co. Inc. LOOSE BEARING AND LEVELING PLATES A. Provide loose bearing and leveling plates for steel items bearing on masonry or concrete construction, made flat, free from warps or twists, and of required thickness and bearing area. Drill plates to receive anchor bolts and for grouting as required. Galvanize after fabrication. 0.15 MISCELLANEOUS FRAMING AND SUPPORTS A. Provide steel framing and supports for applications indicated or which are not parts of structural steel framework, as required to complete work.
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MDACC Project No. XX-XXXX A/E Name A/E Project No.
MDACC PROJECT NAME Issue Description Month, 00, 0000
B. Fabricate units to sizes, shapes, and profiles indicated and required to receive adjacent other construction retained by framing and supports. Fabricate from structural steel shapes, plates, and steel bars of welded construction using mitered joints for field connection. Cut, drill, and tap units to receive hardware, hangers, and similar items. 1. Equip units with integrally welded anchors for casting into concrete or building into masonry. Furnish inserts if units must be installed after concrete is placed. a. Except as otherwise indicated, space anchors 24 inches on center and provide minimum anchor units in the form of steel straps 1-1/4 inches wide x 1/4 inch x 8 inches long.
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METAL BAR GRATINGS A. Produce metal bar gratings of description indicated per NAAMM marking system that comply with the following:
1. 2.
Metal Bar Grating Standard "Standard Specifications for Metal Bar Grating and Metal Bar Grating Treads" published in ANSI/NAAMM A202.1 "Metal Bar Grating Manual." Heavy Duty Metal Bar Grating Standard: "Guide Specifications for Heavy Duty Metal Bar Grating" published in NAAMM "Heavy Duty Metal Bar Grating Manual." B. To establish standards of manufacturer, specification is based upon products of Reliance Steel Products, Inc. Subject to compliance with requirements, other manufacturers offering metal bar gratings that may be incorporated in the Work include, but are not limited to, the following:
1. 2. 3. 4. 5. 6. 7. 8.
Alabama Metal Industries Corp. Barnett/Bates Corp. Blaw Knox Grating Div., Blaw Knox Corp. IKG Industries Klemp Corp. Ohio Gratings, Inc. Seidelhuber Metal Products, Inc. Trueweld, Inc. C. Galvanized Steel Bar Grating: Provide Reliance Steel Products Company hot dipped galvanized steel "Type 3/4R4 Electro Pressure Welded" grating with 1-1/2 inch x inch bearing bars spaced at 1 inch centers and inch x 3/16 inch rectangular cross bars spaced at 4 inch centers. Slot bearing bars for rectangular cross bars prior to electropressure welding. Provide banding bars of same size as bearing bars. D. Prime Painted Steel Bar Grating: Provide Reliance Steel Products Company "Type 1R4 Electro Pressure Welded" grating with 1-1/2 inch x inch bearing bars spaced 1-1/4 inch centers and inch x 3/16 inch rectangular cross bars spaced at 4 inch centers. Provide one shop coat Tnemec 10 99G (green) modified alkyd rust inhibitive primer as specified after fabrication.
The University of Texas M. D. Anderson Cancer Center MS010107
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MDACC Project No. XX-XXXX A/E Name A/E Project No. 0.17 STEEL PIPE RAILINGS AND HANDRAILS
MDACC PROJECT NAME Issue Description Month, 00, 0000
A. Fabricate pipe railings and handrails to comply with requirements indicated for design, dimensions, details, finish, and member sizes, including wall thickness of pipe, post spacings, and anchorage, but not less than that required to support structural loads. B. Interconnect railing and handrail members by butt welding or welding with internal connectors, at fabricator's option, unless otherwise indicated. 1. At tee and cross intersections, notch ends of intersecting members to fit contour of pipe to which end is joined and weld all around. C. Form changes in direction of railing members as follows: 1. 2. 3. 4. 5. By insertion of prefabricated elbow fittings. By radius bends of radius indicated. By mitering at elbow bends. By bending. By any method indicated above, applicable to change of direction involved. D. Form simple and compound curves by bending pipe in jigs to produce uniform curvature for each repetitive configuration required; maintain cylindrical cross section of pipe throughout entire bend without buckling, twisting, cracking, or otherwise deforming exposed surfaces of pipe. E. Provide wall returns at ends of wall mounted handrails, unless otherwise indicated. F. Close exposed ends of pipe by welding 3/16 inch thick steel plate in place or by use of prefabricated fittings, except where clearance of end of pipe and adjoining wall surface is 1/4 inch or less. G. Brackets, Flanges, Fittings, and Anchors: Provide wall brackets, end closures, flanges, miscellaneous fittings, and anchors for interconnections of pipe and attachment of railings and handrails to other work. Furnish inserts and other anchorage devices for connecting railings and handrails to concrete or masonry work. H. For exterior steel railings and handrails formed from steel pipe with galvanized finish, galvanize fittings, brackets, fasteners, sleeves, and other ferrous components. I. For interior steel railings and handrails formed from steel pipe with galvanized finish, galvanize fittings, brackets, fasteners, sleeves, and other ferrous components. J. For interior steel railings formed from steel pipe with black finish, provide nongalvanized ferrous metal fittings, brackets, fasteners, and sleeves, except galvanize anchors embedded in exterior masonry and concrete construction.
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STEEL AND IRON FINISHES A. Galvanizing: For those items indicated for galvanizing, apply zinc coating by the hot dip process compliance with the following requirements:
1.
ASTM A 153 for galvanizing iron and steel hardware. The University of Texas M. D. Anderson Cancer Center MS010107 METAL FABRICATIONS 05 50 00 9 OF 13
MDACC Project No. XX-XXXX A/E Name A/E Project No. 2.
MDACC PROJECT NAME Issue Description Month, 00, 0000
ASTM A 123 for galvanizing both fabricated and unfabricated iron and steel products made of uncoated rolled, pressed, and forged shapes, plates, bars, and strip 0.0299 inch thick and heavier. B. Preparation for Shop Priming: Prepare uncoated ferrous metal surfaces to comply with minimum requirements indicated below for SSPC surface preparation specifications and environmental exposure conditions of installed metal fabrications:
1. 2.
Exteriors (SSPC Zone 1B): SSPC SP6 "Commercial Blast Cleaning." Interiors (SSPC Zone 1A): SSPC SP3 "Power Tool Cleaning: C. Apply shop primer to uncoated surfaces of metal fabrications, except those with galvanized finish or to be embedded in concrete, sprayed on fireproofing, or masonry, unless otherwise indicated. Comply with requirements of SSPC PA1 "Paint Application Specification No. 1" for shop painting.
1.
Stripe paint all edges, corners, crevices, bolts, welds, and sharp edges. PART 3 - EXECUTION 0.1 PREPARATION A. Coordinate and furnish anchorages, setting drawings, diagrams, templates, instructions, and directions for installation of anchorages, including concrete inserts, sleeves, anchor bolts, and miscellaneous items having integral anchors that are to be embedded in concrete or masonry construction. Coordinate delivery of such items to the Project Site. B. Center nosings on tread widths with noses flush with riser faces and tread surfaces. C. Set sleeves in concrete with tops flush with finish surface elevations; protect sleeves from water and concrete entry. D. Sequencing and Scheduling:
1.
Sequence and coordinate installation of wall handrails as follows: a. b. Mount handrails only on completed walls. Do not support handrails temporarily by any means not satisfying structural performance requirements. Mount handrails only on gypsum board assemblies reinforced to receive anchors, and where the location of concealed anchor plates has been clearly marked for benefit of Installer.
0.2
INSTALLATION A. Installation shall meet or exceed all applicable federal, state and local requirements, referenced standards and conform to codes and ordinances of authorities having jurisdiction. B. All installation shall be in accordance with manufacturer's published recommendations. C. Fastening to In Place Construction: Provide anchorage devices and fasteners where necessary for securing miscellaneous metal fabrications to in place construction; include threaded fasteners for concrete and masonry inserts, toggle bolts, through bolts, lag bolts, wood screws, and other connectors as required.
The University of Texas M. D. Anderson Cancer Center MS010107
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MDACC Project No. XX-XXXX A/E Name A/E Project No.
MDACC PROJECT NAME Issue Description Month, 00, 0000
D. Cutting, Fitting, and Placement: Perform cutting, drilling, and fitting required for installation of miscellaneous metal fabrications. Set metal fabrication accurately in location, alignment, and elevation; ...