HomeMy WebLinkAbout15030.pdf BICKFORD OF CARMEL, IN 12/12/2012
ELECTRICAL REQUIREMENTS FOR MECHANICAL EQUIPMENT 15030-1
SECTION 15030
ELECTRICAL REQUIREMENTS FOR MECHANICAL EQUIPMENT
PART 1 - GENERAL
1.1 RELATED DOCUMENTS
A. Drawings and general provisions of Contract, including General and Supplementary Conditions
and Division-1 Specification section, apply to work of this section.
1.2 SUMMARY
A. This section specifies the basic requirements for electrical components which are an integral part
of packaged mechanical equipment. These components may include, but are not limited to,
factory installed motors, starters, and disconnect switches furnished as an integral part of
packaged mechanical equipment. Specific electrical requirements (i.e. horsepower and electrical
characteristics) for mechanical equipment are scheduled on the Drawings.
1.3 QUALITY ASSURANCE
A. Electrical components and material shall be UL labeled, comply with National Electrical Code
(NFPA 70) and the following standards:
1. NEMA Standards MG 1: Motors and Generators.
2. NEMA Standard ICS 2: Industrial Control Devices, Controllers, and Assemblies.
3. NEMA Standard 250: Enclosures for Electrical Equipment
4. NEMA Standard KS 1: Enclosed Switches.
PART 2 - PRODUCTS
2.1 MOTORS
A. Motor sizes shall be large enough so that the driven load will not require the motor to operate in
the service factor range. 2-speed motors shall have 2 separate windings on poly-phase motors.
Service Factor shall be 1.15 for poly-phase motors and 1.35 for single phase motors. Motor
construction shall be NEMA Standard MG 1, general purpose, continuous duty, Design “B”,
except “C” where required for high starting torque.
2.2 STARTERS, ELECTRICAL DEVICES, AND WIRING
A. Enclosures shall be NEMA 1, general purpose enclosures with padlock ears. Manual switches
shall have pilot lights. Overload protection via melting alloy type thermal overload relays.
1. Magnetic Starters: Maintained contact push buttons and pilot lights, properly arranged for
single speed operation as indicated. Trip-free thermal overload relays, each phase.
Interlocks and similar devices as required. Built-in 120 volts control circuit transformer, fused
from line side, where service exceeds 240 volts. Externally operated manual reset. Under-
voltage release or protection.
PART 3 - EXECUTION (Not Applicable).
END OF SECTION