Orange County NC Website
Browse       Search
DocuSign Envelope ID: 9826C043- 4C32- 49CD- A4CC- DC28ABAB7CE7 <br />SECTION 239300 - HVAC POWER VENTILATORS <br />PART1- GENERAL <br />1.1 SUMMARY <br />A. This Section includes the following: <br />1. Centrifugal roof ventilators. <br />2. Centrifugal wall ventilators. <br />3. Ceiling- mounting ventilators. <br />4. In -line centrifugal fans. <br />1.2 SUBMITTALS <br />A. Product Data: Include rated capacities, furnished specialties, and accessories for each type <br />of product indicated and include the following: <br />B. Shop Drawings: Detail equipment assemblies and indicate dimensions, weights, loads, <br />required clearances, method of field assembly, components, and location and size of each <br />field connection. <br />C. Field quality- control test reports. <br />D. Operation and maintenance data. <br />1.3 QUALITY ASSURANCE <br />A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in <br />NFPA 70, Article 100, by a testing agency acceptable to authorities having jurisdiction, <br />and marked for intended use. <br />B. NEMA Compliance: Motors and electrical accessories shall comply with NEMA <br />standards. <br />C. UL Standard: Power ventilators shall comply with UL 705. <br />PART 2- PRODUCTS <br />2.1 CENTRIFUGAL ROOF VENTILATORS <br />A. Products: Basis of Design and Comparable Products as shown on Drawings. <br />B. Description: Direct- or belt - driven centrifugal fans consisting of housing, wheel, fan shaft, <br />bearings, motor and disconnect switch, drive assembly, curb base, and accessories. <br />C. Housing: Removable, spun - aluminum, dome top and outlet baffle; square, one - piece, <br />aluminum base with venturi inlet cone. <br />1. Hinged Subbase: Galvanized -steel hinged arrangement permitting service and <br />maintenance. <br />Reece, Noland & McElrath, Inc. 239300-1 Orange County Board of Elections <br />Orange Co., NC 05/04/18 <br />