HVAC and Electrical Upgrades at Branch Ave. and North Main St. Fire Stations SPECS

Description

HVAC and Electrical Upgrades at Branch Ave and North Main St Fire Stations Project Specifications Mechanical Specifications Creative No. 20250752 Branch Avenue and North Main Street Fire Stations MECHANICAL TABLE OF CONTENTS Division 23 Title 230513 230518 230548.13 230553 230593 230713 230719 230923 230923 232300 233113 233300 233346 233423 237224 238126 238127 Common Motor Requirements for HVAC Equipment Escutcheons for HVAC Piping Vibration Controls for HVAC Identification for HVAC Piping and Equipment Testing, Adjusting, and Balancing for HVAC Duct Insulation HVAC Piping Insulation BAS Master Direct Digital Control (DDC System for HVAC Refrigerant Piping Metal Ducts Air Duct Accessories Flexible Ducts HVAC Power Ventilators Dedicated Outdoor Air Systems VRV Split-System Ventilator VRF Split-System Air Conditioners MECHANICAL TABLE OF CONTENTS 1 Creative No. 20250752 Branch Avenue and North Main Street Fire Stations SECTION 230513 COMMON MOTOR REQUIREMENTS FOR HVAC EQUIPMENT PART 1 - GENERAL 1.1 SUMMARY A. 1.2 Section includes general requirements for single-phase and polyphase, general-purpose, horizontal, small and medium, squirrel-cage induction motors for use on alternating-current power systems up to 600 V and installed at equipment manufacturer's factory or shipped separately by equipment manufacturer for field installation. COORDINATION A. Coordinate features of motors, installed units, and accessory devices to be compatible with the following: 1. 2. 3. 4. Motor controllers. Torque, speed, and horsepower requirements of the load. Ratings and characteristics of supply circuit and required control sequence. Ambient and environmental conditions of installation location. PART 2 - PRODUCTS 2.1 GENERAL MOTOR REQUIREMENTS A. 2.2 Comply with NEMA MG 1 unless otherwise indicated. MOTOR CHARACTERISTICS A. Duty: Continuous duty at ambient temperature of 40 deg C and at altitude of 3300 feet (1000 m) above sea level. B. Capacity and Torque Characteristics: Sufficient to start, accelerate, and operate connected loads at designated speeds, at installed altitude and environment, with indicated operating sequence, and without exceeding nameplate ratings or considering service factor. 2.3 POLYPHASE MOTORS A. Description: NEMA MG 1, Design B, medium induction motor. B. Efficiency: Premium efficient, as defined in NEMA MG 1. C. Service Factor: 1.15. D. Multispeed Motors: Variable torque. 1.