262200_Low_Voltage_Transformers.pdf
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- Attached to
- Chicopee Armory Renovations Sub-Contractor Bids
- Solicitation number
- S125144-vCurrent
- Issued by
- Hampden County, Massachusetts
About this file
This document is a technical specification for low voltage transformers as part of the Chicopee Armory Rehabilitation project in Chicopee, Massachusetts. The transformers must comply with ANSI, NEMA, and UL standards and be self-cooled, two-winding, dry type units rated for continuous duty. The transformers must be provided in the sizes and ratings shown on the drawings, with NEMA Type 2 enclosures in a gray finish color. The transformers are required to be tested in accordance with the electrical acceptance testing procedures.
The project is a state and local contract opportunity, with the State of Massachusetts involved. No specific bid submission details, response dates, or award information is provided in the document. Pricing terms, set-asides, incumbents, funding sources, and other commercial details are also not included.
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Text version
CHICOPEE ARMORY REHABILITATION MMD PROJECT NO. 985010
CHICOPEE, MASSACHUSETTS ISSUED FOR BID – 05/20/11
10090 LOW VOLTAGE TRANSFORMERS 262200-1
SECTION 262200
LOW VOLTAGE TRANSFORMERS
PART 1 - GENERAL
1.1 GENERAL
A. The provisions of Section 260500, General Requirements for Electrical Work, apply to the work of this Section.
1.2 CODES AND STANDARDS
A. Products shall comply with the following codes and standards and shall be UL-listed and labeled:
ANSI C89.2
NEMA ST 1
Dry Type Transformer for General Applications
Specialty Transformers
UL506
UL 1561
Specialty Transformers
Dry Type General Purpose and Power Transformers
1.3 SUBMITTALS
A. Manufacturer's product data sheets indicating weights, dimensions, voltage, KVA, impedance ratings, efficiency, rated temperature rise, sound level rating and insulation system.
1.4 MANUFACTURERS
A. Subject to compliance with the requirements of this Section:
ACME
Cutler-Hammer
General Electric
Siemens
Square D
PART 2 - PRODUCTS
2.1 AUTOTRANSFORMERS
A. Autotransformer shall be of the sizes, and ratings shown on the drawings.
B. Autotransformer shall be self-cooled, two-winding, dry type, rated for continuous duty with wiring terminals suitable for connection as autotransformer. Transformer shall comply with NEMA ST 1 and shall be listed and labeled as complying with UL 506 or UL 1561.
C. Autotransformer enclosure shall be NEMA 250, Type 2. Finish color shall be gray.
CHICOPEE ARMORY REHABILITATION MMD PROJECT NO. 985010
CHICOPEE, MASSACHUSETTS ISSUED FOR BID – 05/20/11
10090 LOW VOLTAGE TRANSFORMERS 262200-2
PART 3 - EXECUTION
3.1 INSTALLATION AND TESTING
A. Transformers shall be tested in accordance with Section 260530, Electrical Acceptance
Testing.
B. Transformers shall be installed in accordance with Section 260550, Installation of
Electrical Equipment.
END OF SECTION 262200
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