SECTION METAL BUILDING SYSTEMS

Transcription

1 D. Stainless Steel Tubing: ASTM A269, Type 304 or 316. E. Galvanized Sheet Steel: Hot-dipped galvanized steel sheet, ASTM A653/A653M, with G60/Z180 coating. F. Mirror Glass: Float glass, ASTM C1036 Type I, Class 1, Quality Q2, with silvering, protective and physical characteristics complying with ASTM C1503. G. Adhesive: Two component epoxy type, waterproof. H. Fasteners, Screws, and Bolts: Hot dip galvanized, tamper-proof. Expansion shields are not acceptable FINISHES A. Stainless Steel: No. 4 satin brushed finish. B. Chrome/Nickel Plating: ASTM B456, SC 2, polished finish, unless otherwise noted. C. Galvanizing for Items Other than Sheet: Comply with ASTM A123/A123M; galvanize ferrous metal and fastening devices. D. Shop Primed Ferrous Metals: Pretreat and clean, spray apply one coat primer and bake. E. Back paint components where contact is made with building finishes to prevent electrolysis TOILET ROOM ACCESSORIES A. Tissue Dispenser (TA-4): Double roll, surface mounted bracket type, stainless steel. 1. Product: manufactured by ASI. B. Paper Towel Dispenser (TA-5): Folded paper type, stainless steel, surface-mounted, with viewing slots on sides as refill indicator and tumbler lock. 1. Capacity: 525 multifold or 400 C-fold minimum. 2. Product: 0210 manufactured by ASI. C. Waste Receptacle (TA-7): Stainless steel, surface mounted. Provide one in each toilet room. 1. Minimum Capacity: 7 gallons. 2. Product: 0828 manufactured by ASI. D. Soap Dispenser (TA-6): Liquid soap dispenser, wall-mounted, surface, with stainless steel cover and vertical stainless steel tank and working parts; push type soap valve, check valve, and window gage refill indicator. 1. Minimum Capacity: 40 ounces. 2. Product: 0347 manufactured by ASI. E. Mirrors (TA-1): Stainless steel framed, 6 mm thick tempered glass mirror. 1. Size: 24" x 36". 2. Frame: 1/2 inch channel shapes, with mitered corners, and tamperproof hanging system; No.4 finish. 3. Backing: Full-mirror sized, galvanized steel sheet and nonabsorptive filler material. 4. Product: 0620B manufactured by ASI. F. Grab Bars (TA-2 / TA-3): Stainless steel, 1-1/4 inches outside diameter, minimum 0.05 inch wall thickness, nonslip grasping surface finish, concealed flange mounting; 1-1/2 inches clearance between wall and inside of grab bar. 1. Length: 36 inches and 42 inches. 2. Product: and manufactured by ASI. G. Corner Grab Bar (TA-8): Same features as Item F, grab bars. 1. L-Shape; 18" x 36" nominal. 2. Type 74 manufactured by ASI Page 2 of 3

2 2.05 SHOWER ACCESSORIES A. Shower Curtain Rod (TA-12): Heavy duty stainless steel tube, 1 inch outside diameter, 20 gage wall thickness, satin-finished, with 3 inch outside diameter, satin-finished stainless steel flanges, for concealed mounting. 1. Product: 1214 manufactured by ASI. B. Shower Curtain (TA-13): 1. Material: Opaque vinyl, inch thick, matte finish, with antibacterial treatment, flameproof, stain-resistant, machine washable, and mildew-resistant. 2. Size: 42 x 78 inches, hemmed edges; 36 inch opening. 3. Grommets: Aluminum; pierced through top hem on 6 inch centers. 4. Color: White. 5. Shower Curtain Hooks: Chrome-plated or stainless steel spring wire designed for snap closure. 6. Product: 1200-V and 1200-SHU manufactured by ASI. C. Clothes Hook (TA-10): Stainless steel, surface mounted, one piece 11 gage. 1. Product: 8425 manufactured by ASI. D. Wall-Mounted Soap Dish (TA-9): Heavy duty, seamless stainless steel, surface-mounted with drain holes, satin finish; with exposed stainless steel fasteners, suitable for substrate. 1. Product: B-973 manufactured by Bobrick. E. Folding Shower Seat (TA-11): 1/2 inch thick one piece solid phenolic, white matte finish melamine bonded to phenolic core; Type 304 stainless steel frame, flanges, legs, brackets; self-closing mechanism; 32" x 21"; ADA compliant. 1. Wall flanges located and mounted to wall blocking. 2. Product: 957 (left hand) manufactured by Bradley; verify hand type. F. ADA Bench (TA-14): ADA compliant bench; wood bench top with aluminum pedestals. 1. Bench Top: Laminated select hardwood; 1-1/4 inch thick; corners rounded and sanded; two coats clear lacquer; 72 long x 20 deep. 2. Pedestals: Aluminum tubing with aluminum flanges welded to each end; holes for bolt down installation; 16-1/4 inches high; 6 per bench top; black color. 3. Manufacturers: Penco; Global Industrial; Robinson Steel Co. PART 3 EXECUTION 3.01 EXAMINATION A. Verify existing conditions before starting work. B. Verify exact location of accessories for installation. C. Verify that field measurements are as indicated on Drawings. D. See Section for installation of blocking in walls PREPARATION A. Deliver inserts and rough-in frames to site for timely installation. B. Provide templates and rough-in measurements as required INSTALLATION A. Install accessories in accordance with manufacturers' instructions. B. Install plumb and level, securely and rigidly anchored to substrate. C. Mounting Heights and Locations: As indicated on Drawings. END OF SECTION Page 3 of 3

3

4 PART 1 GENERAL 1.01 SECTION INCLUDES SECTION METAL BUILDING SYSTEMS A. Manufacturer-engineered, shop-fabricated structural steel building frame. B. Metal wall and roof panels including soffits, gutters and downspouts, and trim accessories RELATED REQUIREMENTS A. Section Joint Sealers. B. Section Painting and Coating: Primary framing field painting. C. Section Bridge Cranes REFERENCE STANDARDS A. AISC Specification for Structural Steel Buildings; American Institute of Steel Construction, Inc.; B. ASTM A36/A36M - Standard Specification for Carbon Structural Steel; C. ASTM A153/A153M - Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware; D. ASTM A307 - Standard Specification for Carbon Steel Bolts, Studs, and Threaded Rod PSI Tensile Strength; E. ASTM A325 - Standard Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength; F. ASTM A325M - Standard Specification for Structural Bolts, Steel, Heat Treated 830 MPa Tensile Strength (Metric); G. ASTM A529/A529M - Standard Specification for High-Strength Carbon-Manganese Steel of Structural Quality; 2005 (Reapproved 2009). H. ASTM A572/A572M - Standard Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel; I. ASTM A792/A792M - Standard Specification for Steel Sheet, 55% Aluminum-Zinc Alloy-Coated by the Hot-Dip Process; J. ASTM A Standard Specification for Steel, Sheet and Strip, Hot-Rolled, Carbon, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, and Ultra-High Strength. K. ASTM C1107/C1107M - Standard Specification for Packaged Dry, Hydraulic-Cement Grout (Nonshrink); L. AWS A2.4 - Standard Symbols for Welding, Brazing, and Nondestructive Examination; American Welding Society; M. AWS D1.1/D1.1M - Structural Welding Code - Steel; American Welding Society; N. IAS AC472 - Accreditation Criteria for Inspection Programs for Manufacturers of Metal Building Systems; O. MBMA (LR) - Low Rise Building Systems Manual; Metal Building Manufacturers Association; P. SSPC-Paint 20 - Zinc-Rich Primers (Type I, "Inorganic," and Type II, "Organic"); Society for Protective Coatings; 2002 (Ed. 2004). Q. Texas Department of Insurance Windstorm Inspection Program Page 1 of 6

5 1.04 DESIGN REQUIREMENTS A. Design members to withstand dead load, and design loads due to pressure and suction of wind as indicated on Structrual Drawings. 1. Refer to Structural Drawings for additional requirements. 2. Design shall include an interior bridge crane structural supports and bracing as indicated on Drawings. B. Exterior wall and roof system shall withstand imposed loads with maximum allowable deflection as indicated on Structural Drawings. C. Design Load Combinations: The design loads shall be applied to the structure in the following combinations: 1. Dead Load plus (+) Live Load. 2. Dead Load plus (+) Wind Load. 3. Dead Load plus (+) Live Load plus (+) Collateral Loads. D. Provide drainage to exterior for water entering or condensation occurring within wall system. E. Permit movement of components without buckling, failure of joint seals, undue stress on fasteners or other detrimental effects. F. Size and fabricate wall and roof systems free of distortion or defects detrimental to appearance or performance PRE-INSTALLATION MEETING A. Refer to Section B. Convene one week before starting work of this section SUBMITTALS A. See Section for submittal procedures. B. Product Data: Provide data on profiles, component dimensions, fasteners. C. Shop Drawings: Indicate assembly dimensions, locations of structural members, bracing, connections, attachments, and loads; wall and roof system dimensions, panel layout, general construction details, anchorages and method of anchorage, fastener types and spacing frequency, and installation; framing anchor bolt settings, sizes, and locations from datum, foundation loads; indicate welded connections with AWS A2.4 welding symbols; indicate net weld lengths. Indicate design criteria utilized for building structure, and roof/wall cladding of shop drawing design. Submit design calculations. 1. Drawings shall be sealed and signed by a Registered Professional Engineer currently licensed to practice in the State of Texas. D. Samples: Submit two samples of precoated metal panels for color selection in size illustrating color and texture of finish. E. Manufacturer Qualification Statement: Provide current documentation showing metal building manufacturer is accredited under IAS AC472. Include statement that manufacturer designs and fabricates metal building system as integrated components and assemblies, including but not limited to primary structural members, secondary members, joints, roof, and wall cladding components specifically designed to support and transfer loads and properly assembled components form a complete building shell. F. Manufacturer's Instructions: Submit preparation requirements and anchor bolt placement. G. Erection Drawings: Indicate members by label, assembly sequence, and temporary erection bracing. H. Project Record Documents: Record actual locations of concealed components and utilities Page 2 of 6

6 1.07 QUALITY ASSURANCE A. Design structural components, develop shop drawings, under direct supervision of a Professional Structural Engineer experienced in design of this Work. 1. Design Engineer Qualifications: Licensed in the State of Texas. 2. Conform to design requirements. B. Perform work in accordance with AISC Specification for Structural Steel Buildings and MBMA "Low Rise Building Systems Manual". C. Perform welding in accordance with AWS D1.1. D. Manufacturer Qualifications: Company specializing in the manufacture of products similar to those required for this project. 1. Not less than 10 years of documented experience 2. Accredited by IAS according to IAS AC472. E. Erector Qualifications: Company specializing in performing the work of this section with minimum 10 years documented experience WARRANTY A. See Section for closeout submittals and for additional warranty requirements. B. Correct defective Work within a one year period after Date of Substantial Completion. C. Provide 20 year manufacturer warranty for roof and wall panels. 1. Include coverage for exterior pre-finished surfaces to cover pre-finished color coat against chipping, cracking or crazing, blistering, peeling, chalking, or fading. PART 2 PRODUCTS 2.01 MANUFACTURERS A. Metal Buildings: 1. Acceptable Manufacturers: Manufacturer's holding a current IAS AC472 Accreditation and in accordance with Quality Assurance requirements. 2. Provide a building designed and fabricated by a single metal building manufacturer as integrated components and assemblies, including but not limited to structural members, roof and wall cladding components. Contractor shall not provide separate multiple suppliers of structural members, roof and wall cladding, and metal building components METAL BUILDING A. Single span rigid frame. B. Bay Spacing: As indicated. C. Primary Framing (Building Main Framing): Rigid frame of rafter beams and columns, and wind bracing. D. Secondary Framing: Purlins, Girts, Eave struts, Flange bracing, Sill supports, and Clips, and other items detailed. 1. Purlins and Girts: Cold-formed "Z" sections with stiffened edges; 8 inches. 2. Eave Struts: Unequal flange, cold-formed "C" sections; 8 inches. E. Wall System: Preformed insulated metal panels of vertical profile, with sub-girt framing/anchorage assembly, and accessory components. F. Roof System: Preformed insulated metal panels oriented parallel to slope, with sub-girt framing/anchorage assembly, and accessory components as required and indicated. G. Steel for Cold-Formed endwall "C" sections must conform to the requirements of ASTM A1011 Grade 55, or ASTM A653 Grade 50 with a minimum yield strength of 55 ksi. H. X-bracing in roof plane as required, conform to ASTM A36 for rod and angle bracing or ASTM A475 for cable bracing. Refer to Drawings. I. Roof Slope: 2 inches in 12 inches Page 3 of 6