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INDIAN RIVER COUNTY JULY 25, 2014 <br />INTERGENERATIONAL RECREATION CENTER 100% CONSTRUCTION DOCUMENTS <br />PART2-PRODUCTS <br />2.1 IN-LINE, SEALLESS CENTRIFUGAL PUMPS <br />A. Basis -of -Design Product: Subject to compliance with requirements, provide product indicated <br />on Drawings or comparable product by one of the following: <br />1. Bell & Gossett Domestic Pump; ITT Corporation. <br />2. Grundfos Pumps Corp. <br />3. TACO Incorporated. <br />B. Description: Factory -assembled and -tested, in-line, close -coupled, canned -motor, sealless, <br />overhung -impeller centrifugal pumps. <br />C. Pump Construction: <br />1. Pump and Motor Assembly: Hermetically sealed, replaceable -cartridge type with motor <br />and impeller on common shaft and designed for installation with pump and motor shaft <br />horizontal. <br />2. Casing: Bronze, with threaded or companion -flange connections. <br />3. Impeller: Plastic. <br />4. Motor: Single speed, unless otherwise indicated. <br />D. Capacities and Characteristics: <br />1. Refer to plumbing drawings. <br />2.2 MOTORS <br />A. Comply with NEMA designation, temperature rating, service factor, enclosure type, and <br />efficiency requirements for motors specified in Section 220513 "Common Motor Requirements <br />for Plumbing Equipment." <br />1. Motor Sizes: Minimum size as indicated. If not indicated, large enough so driven load <br />will not require motor to operate in service factor range above 1.0. <br />2.3 CONTROLS <br />A. Thermostats: Electric; adjustable for control of hot-water circulation pump. <br />1. Type: Water -immersion temperature sensor, for installation in piping. <br />2. Range: 65 to 200 deg F. <br />3. Operation of Pump: On or off. <br />4. Transformer: Provide if required. <br />5. Power Requirement: 120 V, ac. <br />6. Settings: Start pump at 105 deg F and stop pump at 120 deg F. <br />B. Timers: Electric, for control of hot-water circulation pump. <br />1. Type: Programmable, seven-day clock with manual override on-off switch. <br />2. Operation of Pump: On or off. <br />3. Transformer: Provide if required. <br />DOMESTIC WATER PUMPS 221123 - 2 <br />