Dugout Covers Specifications

Transcription

1 Section 1 - General Dugout Covers Specifications 1.01 Work Included Metal building systems, complete with structural framing (Columns, rafters, struts, purlins, girts, bracing), and optional prefinished roofing, siding, roof and wall insulation, building canopies, metal flashings, trim, gutters, downspouts, fasteners, roof and wall accessories and other components and material required for a complete installation Descriptions Building D-A - Dugout Cover, Single Slope Clear Span single slope rigid frame with uniform depth columns and uniform or variable depth rafters. Building to be 12-0 wide x 52-0 long with 2 26 long bays Building Label: D-A Roof Slope: /12 Column Spacing at Exterior Walls: As shown on drawings and compatible with placement of openings and other requirements. Eave Height: 10'-0" lowside Measured vertically from top of eave strut at sidewall steelline to base of sidewall frame column. Building D-B - Cover #2, Single Slope Clear Span single slope rigid frame with uniform depth columns and uniform or variable depth rafters. Building to be 12-0 wide x 52-0 long with 2 26 long bays Building Label: D-B Roof Slope: /12 Column Spacing at Exterior Walls: As shown on drawings and compatible with placement of openings and other requirements. Eave Height: 10'-0" lowside Measured vertically from top of eave strut at sidewall steelline to base of sidewall frame column. Building D-C - Cover #3, Single Slope Clear Span single slope rigid frame with uniform depth columns and uniform or variable depth rafters. Building to be 12-0 wide x 52-0 long with 2 26 long bays Building Label: D-C Roof Slope: /12 Column Spacing at Exterior Walls: As shown on drawings and compatible with placement of openings and other requirements. Eave Height: 10'-0" lowside Measured vertically from top of eave strut at sidewall steelline to base of sidewall frame column. Building D-D - Cover #4, Single Slope Clear Span single slope rigid frame with uniform depth columns and uniform or variable depth rafters. Building to be 12-0 wide x 52-0 long with 2 26 long bays Building Label: D-D Roof Slope: /12 Column Spacing at Exterior Walls: As shown on drawings and compatible with placement of openings and other requirements. Eave Height: 10'-0" lowside Measured vertically from top of eave strut at sidewall steelline to base of sidewall frame column. Special Conditions All buildings will be hot dipped galvanized for primary and secondary framing. All fasteners to be cad plated.

2 Section 1 - General Continued Quality Assurance Codes and Standards Use the following where applicable in building design: AWS D1.1 "Structural Welding Code-Steel." MBMA "Metal Building Systems Manual," Current Edition. AISI "North American Specification for the Design of Cold-Formed Steel Structural Members," Current Edition. AISC "Steel Construction Manual" and "Specification for Structural Steel Buildings Current Edition." SJI "Standard Specifications and Load Tables and Weight Tables for Steel Joists and Joist Girders." SDI "Diapragm Design Manual" and "Design Manual for Composite Decks, Form Decks and Roof Decks - No. 31." Use the following where applicable in other phases of design: Arkansas Building Code and regulations of the City of Jonesboro. - American Society for Testing and Materials (ASTM). Ratings By Underwriters' Laboratories, Inc. UL 580 Factory Mutual Research. Class 1 Roof. FMRC Standard #4471 Design Criteria Project Use Category Building Code Live/Wind Live Load Trib. Area Reduction Allowed Wind Exposure Wind Speed Snow Ground Snow Load Min Roof Snow Load Thermal Conditions Commercial 2012 Arkansas psf No Exposure C 115 mph psf psf Seismic Spectral Response(Ss) % Spectral Response(Sh) Spectral Response(S1) % Spectral Response(S2) Accelerated Coefficient(Aa) Velocity Coefficient(Av) Jobsite Address 504 CWL Drive Jonesboro, AR, County Craighead Wind Category Miles From Coastline Rain Intensity in/hr Snow Exposure Partially Exposed Rain Load Elevation Above Sea Level % of Snow Load for Seismic Normal Seismic Zone Near Source Factor Design Seismic for Schools Soil Type (D) Stiff Soil Site Class/Soil Type (D) Stiff Soil Collaterals Building UL Classification Ceiling Load Other Load Ceiling Type A - Bleacher Cover None psf psf Acoustical/Other B - Cover #2 None psf psf Acoustical/Other C - Cover #3 None psf psf Acoustical/Other D - Cover #4 None psf psf Acoustical/Other Deflection Criteria Building A - Bleacher Cover Roof Purlins Roof Rafters Live L/150 Live L/180 Snow L/180 Snow L/180 Wind L/180 Wind L/180 Wall Frame Sidesway Endwall Columns Total Lateral H/60 Default

3 Section 1 - General Continued Quality Assurance Continued... Deflection Criteria Continued... Building B - Cover #2 Roof Purlins Roof Rafters Live L/150 Live L/180 Snow L/180 Snow L/180 Wind L/180 Wind L/180 Wall Frame Sidesway Endwall Columns Total Lateral H/60 Building C - Cover #3 Roof Purlins Roof Rafters Live L/150 Live L/180 Snow L/180 Snow L/180 Wind L/180 Wind L/180 Wall Frame Sidesway Endwall Columns Total Lateral H/60 Building D - Cover #4 Roof Purlins Roof Rafters Live L/150 Live L/180 Snow L/180 Snow L/180 Wind L/180 Wind L/180 Wall Frame Sidesway Endwall Columns Total Lateral H/60

4 Section 1 - General Continued Quality Assurance Countinued... Load Combinations As required per the Building Code specified. Minimum Load Combinations Considered: a. DL + LL b. DL + SNOW c. DL + A d. DL + WL e. DL + EQ f. DL + SNOW + A g. DL + SNOW + EQ h. DL + 1/2 WL + A i. DL + 1/2 EQ + A j. DL + SNOW + 1/2 WL k. DL + 1/2 SNOW + WL Key DD Roof Dead Load LL Roof Live Load SNOW Roof Snow Load WL Lateral primary wind load EQ Lateral seismic load A Auxiliary load 1.04 Submittals General To comply with general conditions. Shop Drawings and Calculations Three copies of Design Calculations and Erection Drawings to be submitted to the representative of the City of Jonesboro: Prepared by, or under direct supervision of, a Registered Professional Engineer, licensed to practice in the State of Arkansas with all drawings and calculations bearing engineer's seal. Each type of structural building frame required and their locations within structure shall be shown; details of anchor rod settings; sidewall, endwall and roof framing; diagonal bracing and location within structure; metal floor deck and joist types; wall and roof insulation and types; longitudinal and transverse cross sections; details of curbs, roof jacks, and items penetrating roof; canopy framing and details; trim, gutters, downspouts, liner panels, wall and roof coverings, and all accessory items; materials; finishes; construction and installation details; and other pertinent information required for proper and complete fabrication, assembly and erection of watertight metal building system Product Handling, Delivery, and Storage Deliver and store prefabricated components, sheets, panels, and other manufactured items so they will not be damaged or deformed. Stack materials on platforms or pallets above grade or on concrete slab, covered with opaque tarpaulins or other approved weather-resistant ventilated covering. Store metal sheets and panels if subjected to water accumulation in such a manner so they will drain freely. Do not store sheets and panels in contact with other materials which might cause staining. Inspect panels for quality. Damaged material must be reported to determine if replacement is required. Prevent moisture between panels, and secure as required Warranties All Components: Manufacturer's standard one (1) year material and workmanship warranty. Roof Panels: Manufacturer's Standard: Finish warranty. Wall Panels: Manufacturer's Standard: Finish warranty. Roof panels with full 70 percent polyvinylidene fluoride (Kynar) finish: Ultra premium 20-year warranty. Primary and Secondary Steel Members: All buildings will be hot dipped galvanized for primary and secondary framing. All fasteners to be cad plated.

5 Section 2 - Products and Fabrication 2.01 Structural Steel Materials: Structural Plate or Bar Stock: Minimum yield strength (Fy) of 50,000 psi. Cold Formed Structural Steel: Minimum yield strength (Fy) of 50,000 psi. Primary Structural Bolts: ASTM A325 and A490; Size and quantity required by metal building system Manufacturer. All uncoated structural steel shall be cleaned of all foreign matter and loose scale in accordance with SSPC-SP2 and given a one mil coat of Star Building Systems' standard dark gray primer. Primer shall meet the performance characteristics of Federal Specification SSPC Paint 15. This coating is intended to provide temporary protection for elivery and erection and is not intended or represented as a finish coat. All secondary structural nframing coil stock shall be pre-painted with 0.5 mil minimum dry film thickness of Star Building Systems' standard dark gray primer. This coating process meets or exceeds the performance characteristics of Federal Specification SSPC Paint 15. This coating is intended to provide temporary protection ofor delivery and erection and is not intended or represented as a finish coat. Fabrication: Primary Framing: Rigid frames of shop-welded steel plate columns and rafters, both tapered and uniform depth sections as required by drawing, complete with all necessary stiffeners, connection plates and holes for field-bolted assembly. Columns and Rafters: Fabricated with holes in web and/or flanges for attachment of secondary members. Splice Plates: Factory fabricated for precision for all rafter-to-rafter and/or column-to-rafter connections, complete with connection bolt holes. Base Plates, Cap Plates, Splice Plates and Stiffeners: Fabricate to sizes required, complete with all holes for connection of primary and secondary structural members. Factory weld into place. Join flanges and webs of structural members fabricated of plate or bar stock together by continuous automatic submerged arc welding process with all welding performed by certified welders in accordance with standard practices of AWS D1.1. Make all primary rigid frame field-bolted connections with A325 high-strength bolts of size required by building system Manufacturer. Clean all components of oil, dirt, loose scale, and foreign matters. Factory paint with one (1) coat of Manufacturer's standard shop coat. Endwall Framing: Precision hot rolled, and/or shop-welded steel plate members consisting of rafters and columns fabricated for field-bolted assembly. Columns, Rafters, Splice Plates, Clips, Angles and Channels: Factory fabricate to size required. Plate Stock Endwall Framing Members: Join flanges and webs by continuous automatic submerged arc welding process, by welders certified in accordance with standard practices of AWS D1.1 Clean Components of oil, dirt, loose scale and foreign matter, per SSPC-SP2, and apply one (1) coat of Manufacturer's standard shop coat. Secondary Framing, (Purlins, Girts, Struts, Flange Braces, Base Angles, as required): Purlins Manufacturer's standard 8'-0" Z - Exterior sections, roll formed from minimum (Fy) 55,000 psi steel, punched Eave Struts 8.00" C - Exterior or channel sections of roll formed Fy psf steel, punched for attachment with 0.50" diameter bolts. Roof Struts 8.00" x 3.25" sections of cold formed minimum Fy psf steel, with vertical web to receive sidewall panels and four (4) 0.50" diameter bolt attachments to rigid frame in factory-punched holes in column or bracket. Flange Bracing Provide as required, detailed and shown on final shop drawings, as required by design analysis, with attachment to top flange or rigid frame rafters by two (2) 0.50" minimum size diameter bolts at each end of strut. Flange Braces: Steel angles attached to purlin or girt, to stiffen rigid frame flanges as dictated by design and noted on final shop drawings.

6 Section 2 - Products and Fabrication Continued Roofing Roof Panels: PBR PBR shall have 1 1/4" deep major ribs which are trapezoidal in shape, and are spaced 12.0" on center. Between each major rib are two minor stiffening ribs. The leading edge rib has a bearing leg. Each panel shall provide 3'-0" of lateral coverage. * Note - PBR has achieved UL90 Listing. Roof Panel Finishes: Manufacturer's standard 0.5 oz. per sq. ft. Galvalume Plus alloy-coating with Classic Green* color full 70 percent polyvinylidene fluoride (Kynar) finish. Fasteners Roof Panels: Manufacturer's standard long-life coated #12-14 x 1.25" self-drilling carbon steel screws with sealing washers for PBR roof panels. All exposed fastener heads will be factory colored to match color of panels. Trim Fasteners: Manufacturer's standard plated and finish painted #8 x 0.625" self-drilling screws with 0.25" hex washer head. Sealant: Roof Panel Sealant: Approved type, non-shrinking, non-drying butyl-based sealant, specifically formulated for roof application at temperatures from 20 degrees Fahrenheit to 120 degrees Fahrenheit and shall be in accordance with United States Federal Spec TT-C-1796A (Type II Class B) Wind Bracing Commercial Grade steel rod bracing in roof with portal frames located on low sidewall with no bracing in high sidewall. Steel Rod Bracing: Provide complete with necessary slope washers, flat washers and adjusting nuts at each end. All bracing components to receive one shop coat of paint.

7 Section 3 - Execution 3.01 Erection General: Erection shall be accomplished by a trained, competent erector having experience in erecting metal buildings. Install all metal building system components in strict compliance with Manufacturer's instructions shown on final shop drawings. Handle and store all materials to avoid damage and replace any damaged materials. Erector shall observe and follow recommendations of the Metal Building Manufacturers Association (MBMA), the American Institute of Steel Construction (AISC), and the Occupational Safety and Health Administration (OSHA) practices, procedures and safety standards where applicable. Do not field cut or alter structural members without approval from Manufacturer. Structural Frames: Erect true to line, level and plumb, brace and secure with temporary bracing in all directions as required. Level base plates and secure to anchor rods to level plane with full bearing to foundation supporting structures. Bracing: Install all permanent diagonal rod or angle bracing in roof and sidewalls as approved by Manufacturer. Properly tighten rods to avoid excessive sag. Roofing Panels: Install roof panels in such a manner to permit drainage to eaves of building, with panel ends square to eave. Arrange and nest sidelap joints away from prevailing winds when possible. Apply panels and associated items for neat and weathertight enclosure. Avoid "panel creep" or application not true to grid lines. Protect factory finishes from mechanical damage or abrasions. Install approved type closures to exclude weather. Flash and seal roof panels at eave, gable and perimeter of all openings through roof and elsewhere as required or shown on drawings. Remove all fastener or cut shavings from roof as erection is completed Painting Touch-up all abrasions, scratches, field welds or other damages in shop-coat or factory-finished painted surfaces consistent with shop coat, or factory-finished painting. Provide finish coats which are compatible with metal building Manufacturer's shop coat paints if required. If finish coat is not compatible with shop coat provide approved barrier coats over incompatible shop coats. All finish coats by others should be solvent base or approved by Manufacturer Tolerances All framing members shall be erected plumb, level or aligned not to exceed a deviation 1:500.

8 Section 4 - Credentials Association Memberships: Metal Building Manufacturers Association-Member American Institute of Steel Construction-Associate Member Registered Professioal Engineers: Registered in Arkansas Professional Association Memberships by Manufacturer's Engineers: National Society of Professional Engineers American Society of Civil Engineers American Welding Society International Code Council (ICC) American Society for Testing and Materials (ASTM) American Society of Heating, Refrigeration, and Air-conditioning Engineers (ASHRAE) National Roofing Contractors Association Metal Roofing Systems Association Accreditation: ICC, International Accreditation Service, Inc. Approved for Steel Fabrication under Section of 2003 and 2006 IBC and Section of 1997 UBC Underwriters Laboratories, Inc. Uplift Classified Roof Panels Construction No. 59, 59A, & PBR Roof Panels