Orange County NC Website
SHSC HVAC and Roof Replacement Smith Sinnett / 2020072 <br />Orange County, North Carolina <br /> <br />METAL ROOF SYSTEM 07 41 00 - 2 <br />a. Zone 1 – 60psf. <br />b. Zone 2 – 95psf within 5’-0” of an edge. <br />c. Zone 3 – 130psf corner within 5’-0” of edge in each direction. <br />B. Roof Heights, Importance Factors and other applicable calculation factors are shown on the drawings. <br />C. Air Infiltration: Air leakage through assembly of not more than 0.06 cfm/sq. ft. of roof area when tested <br />according to ASTM E 1680 at the following test-pressure difference: <br />1. Test-Pressure Difference: Negative 1.57 lbf/sq. ft.. <br />2. Test-Pressure Difference: Positive and negative 1.57 lbf/sq. ft.. <br />3. Positive Preload Test-Pressure Difference: Greater than or equal to 15.0 lbf/sq. ft. and the greater <br />of 75 percent of building live load or 50 percent of building design positive wind-pressure <br />difference. <br />4. Negative Preload Test-Pressure Difference: 50 percent of design wind-uplift-pressure difference. <br />D. Water Penetration: No water penetration when tested according to ASTM E 1646 at the following test- <br />pressure difference: <br />1. Test-Pressure Difference: 2.86 lbf/sq. ft. <br />2. Test-Pressure Difference: 20 percent of positive design wind pressure, but not less than 6.24 <br />lbf/sq. ft. and not more than 12.0 lbf/sq. ft. <br />3. Positive Preload Test-Pressure Difference: Greater than or equal to 15.0 lbf/sq. ft. and the greater <br />of 75 percent of building live load or 50 percent of building design positive wind-pressure <br />difference. <br />4. Negative Preload Test-Pressure Difference: 50 percent of design wind-uplift-pressure difference. <br />E. Wind-Uplift Resistance: Provide metal roof panel assemblies that comply with UL 580 for wind-uplift- <br />resistance class indicated. <br />F. FMG Listing: Provide metal roof panels and component materials that comply with requirements in <br />FMG 4471 as part of a panel roofing system and that are listed in FMG's "Approval Guide" for Class 1 or <br />noncombustible construction, as applicable. Identify materials with FMG markings. <br />G. Low sloped roof systems shall be designed and installed for wind loads in accordance with Chpt. 16 of <br />the North Carolina Building Code – latest version and tested for resistance in accordance with <br />ANSI/SPRI ES-1. <br />1.6 SUBMITTALS <br />A. Submit the following in accordance with Conditions of Contract and Division 01 Specification Sections. <br />B. Product data including manufacturer's product specifications, standard details, certified product test <br />results, installation instructions, and general recommendations, as applicable to materials and finishes for <br />each component and for total panel system. <br />C. Samples for initial selection purposes in form of manufacturer's color charts or chips showing full range <br />of colors, textures, and patterns available for roof and wall panels with factory-applied finishes. <br />D. Samples for verification purposes of roof, wall and soffit panels. Provide sample panels 12 inches long <br />by actual panel width, in the profile, style, color, and texture indicated. Include clips, battens, fasteners, <br />closures, snow guard rod with seam clip and other panel accessories. <br />E. Shop Drawings showing layouts of panels on walls and roofs, details of edge conditions, joints, corners, <br />panel profiles, supports, anchorages, gutters, downspouts, trim, flashings, closures, and special details. <br />Distinguish between factory and field assembly work. <br />F. Mock-ups: Submit full size mock-ups of all connections, corners, constructions, jointings, panel <br />constructions, etc, including rain drainage system, as necessary to provide the Architect and Owner with a <br />complete understanding of the system to be installed. <br />G. Certification: Submit certification prepared and sealed by a Professional Engineer, registered to practice <br />in North Carolina, verifying that the roofing system and its anchorage meets or exceeds the loading and <br />design requirements specified above and in the N.C. State Building Code, latest edition. <br />DocuSign Envelope ID: 94E7997D-4F29-42F6-A9B4-0A160438D2A6