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DocuSign Envelope ID: 9826C043- 4C32- 49CD- A4CC- DC28ABAB7CE7 <br />SECTION 239700 - LOUVERS AND VENTS <br />PART 1 - GENERAL <br />1.1 SUMMARY <br />A. Section Includes: <br />1. Fixed, extruded - aluminum louvers. <br />1.2 PERFORMANCE REQUIREMENTS <br />A. Delegated Design: Design louvers, including comprehensive engineering analysis by a qualified <br />professional engineer, using structural and seismic performance requirements and design criteria <br />indicated. <br />B. Structural Performance: Louvers shall withstand the effects of gravity loads and the following loads <br />and stresses within limits and under conditions indicated without permanent deformation of louver <br />components, noise or metal fatigue caused by louver blade rattle or flutter, or permanent damage to <br />fasteners and anchors. <br />1. Wind Loads: Determine loads based on pressures as indicated on Drawings. <br />2. Wind Loads: Determine loads based on a uniform pressure of 20 Ibf /sq. ft., acting inward or <br />outward. <br />C. Seismic Performance: Louvers, including attachments to other construction, shall withstand the <br />effects of earthquake motions determined according to SEI /ASCE 7. <br />D. Louver Performance Ratings: Provide louvers complying with requirements specified, as <br />demonstrated by testing manufacturer's stock units identical to those provided, except for length and <br />width according to AMCA 500 -L. <br />1.3 SUBMITTALS <br />A. Product Data: For each type of product indicated. <br />1. For louvers specified to bear AMCA seal, include printed catalog pages showing specified <br />models with appropriate AMCA Certified Ratings Seals. <br />B. Shop Drawings: For louvers and accessories. Include plans, elevations, sections, details, and <br />attachments to other work. Show frame profiles and blade profiles, angles, and spacing. <br />C. Samples: For each type of metal finish required. <br />D. Delegated- Design Submittal: For louvers indicated to comply with structural and seismic <br />performance requirements and design criteria, including analysis data signed and sealed by the <br />qualified professional engineer responsible for their preparation. <br />E. Product Test Reports: Based on tests performed according to AMCA 500 -L. <br />PART 2 - PRODUCTS <br />2.1 MATERIALS <br />A. Aluminum Extrusions: ASTM B 221, Alloy 6063 -T5, T -52, or T6. <br />B. Aluminum Sheet: ASTM B 209, Alloy 3003 or 5005 with temper as required for forming, or as <br />otherwise recommended by metal producer for required finish. <br />Reece, Noland & McElrath, Inc. 239700-1 Orange County Board of Elections <br />Orange Co., NC 05/04/18 <br />