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HomeMy WebLinkAbout233423 EXHAUST FANSTHE KENT 23 34 23 - 1 THE KENT Issue Date 05.09.18 EXHAUST FAN THE KENT SECTION 23 34 23 - EXHAUST FANS PART 1 - GENERAL 1.01 RELATED SECTIONS: A. Drawings, general provisions of the Contract, including General and Supplementary Conditions, and Division-1 Specification Sections and Division 20 Specification Sections, apply to work of this Section. 1.02 DESCRIPTION OF WORK: A. The Contractor shall furnish all the labor, materials, equipment, appliances, services and drayage, and perform all the operations in connection with the construction and installation of the Work. All Work to be as herein specified and as denoted on the accompanying Drawings. B. This Section of the Work includes the furnishing and installation of the roof-mounted powered exhaust ventilators and direct drive wall exhaust fans, complete with associated ductwork, dampers, etc., as herein specified and/or indicated on the Drawings. 1.03 QUALITY ASSURANCE: A. Units shall be licensed to bear the Air Moving and Conditioning Association, Inc. AMCA) seal for air moving performance shall be tested in accordance with AMCA Standard 210. B. Some ratings listed for specific performances shall be in accordance with methods outlined in AMCA Bulletin 301. C. UL Compliance - Fans shall be designed, manufactured, and tested in accordance with UL 705 "Power Ventilators." D. NEMA Compliance - Motors and electrical accessories shall comply with NEMA standards. E. Electrical Component Standard - Components and installation shall comply with NFPA 70 "National Electrical Code." 1.04 ACCEPTABLE MANUFACTURERS: A. Manufacturers: Subject to compliance with requirements provide exhaust fans of one of the following manufacturers 1. Carnes 2. Greenheck Fan Corp. 3. JenCo Fan 4. Loren Cook Company 5. PennBarry 6. Twin City Fan & Blower 7. CaptiveAire THE KENT 23 34 23 - 2 THE KENT Issue Date 05.09.18 EXHAUST FAN THE KENT 1.05 SUBMITTALS: A. General - Submit the following in accordance with the requirements of Division 1. 1. Product Data - for selected models, including specialties, accessories, and the following: a. Certified fan performance curves with system operating conditions indicated. b. Certified fan sound power ratings. c. Motor ratings and electrical characteristics plus motor and fan accessories. d. Materials gauges and finishes, including color charts. e. Dampers, including housings, linkages, and operators. PART 2 - PRODUCTS 2.01 CABINET-TYPE EXHAUST FANS: A. Fan housing constructed of heavy gauge galvanized steel. B. Housing interior shall be acoustically lined with 1/2" insulation. C. Discharge outlet to be adaptable to horizontal or vertical positions. D. Terminal box shall be internally mounted for motor hook-up. E. Motor shall be direct drive and be mounted on resilient elastic grommets. F. Fan shall have a forward curved centrifugal wheel, dynamically balanced to insure vibration-free performance. G. A toggle disconnect switch shall be mounted on the outside of the housing, wired to the internal terminal box. PART 3 - EXECUTION 3.01 INSTALLATION: A. Mount wall exhausters to the wall with a mounting plate. Remainder of unit is attached by fasteners to mounting plate. B. Provide spring type isolators sized to match the weight of each individual fan. Brackets shall be furnished with the units for hanging from structure above. C. Provide flexible connectors on inlet and discharge side of in-line exhaust fans; connect to ductwork. D. Check all units for proper performance, fan and/or motor rotation, and adjust as required. E. Refer to Section 20 01 90 for proper identification tagging of equipment. END OF SECTION