Bid 25E-07-07 Recloser OH 600A 15kV - Addendum No. 1.docx

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Attached to
SPECIFICATION #25E-07-07
Solicitation number
BD-25-1344-00490-00490-118798
Issued by
Norfolk County, Massachusetts

About this file

This document is an Addendum #1 issued by the Wellesley Municipal Light Plant (WMLP) for Bid No. 25E-07-07, pertaining to a 15kV overhead recloser procurement. The bid opportunity is for a 600A overhead recloser with specific technical requirements, with bid opening scheduled for August 19th, 2025. The addendum addresses two key clarification questions from potential bidders: first, detailing the required SEL-651R options, which include a 120VAC power supply, front panel with configurable labels, tri-color LEDs, and a 12V, 16Ah battery capacity; second, specifying acceptable surge arrestor ratings for 15kV voltage class with 8.4 and 10.2 MCOV ratings for a 13.8kV distribution system.

The procurement is for Norfolk County, Massachusetts, and appears to be an open competitive bid for electrical infrastructure equipment. While specific pricing details are not provided, the addendum suggests that newer equivalent products will be considered. The document indicates a direct communication pathway for interested contractors, with technical specifications available by emailing the Supervisory Electrical Engineer, Tim Leung. No explicit information is provided about set-asides, incumbent vendors, or specific funding sources. The procurement seems focused on obtaining a technically compliant electrical switching and protection device for the municipal light plant's power distribution network.

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Text version

WELLESLEY MUNICIPAL LIGHT PLANT

ADDENDUM #1

Bid No. 25E-07-07 July 25, 2025 Recloser OH 600A 15kV

The following are questions seeking clarification that have been sent to Wellesley Municipal Light Plant (WMLP) for Bid 25E-07-07 Recloser OH 600A 15kV. The bid opening will take place on August 19th, 2025 per the specification.

1. What SEL-651R options are required? At a minimum, WMLP is seeking the options available within P/N 0651R2ACXGAAAE1113B6XX. Newer equivalents will be considered. The power supply voltage shall be 120VAC. We are expecting a Front Panel with configurable labels and tri-color LEDs. Battery capacity shall be 12V, 16Ah or greater.

2. What surge arrestor ratings are required? WMLP expects recommended surge arrestor ratings for 15kV voltage class. For our distribution system voltage of 13.8kV, 8.4 and 10.2 MCOV (kV RMS) are accepted.

Please feel free to contact me if you have any questions or if you require any additional information relative to this addendum.

Sincerely,

Tim Leung
Tim Leung
Supervisory Electrical Engineer

Cc: David Wood, WMLP Director Christopher Chan, WMLP Assistant Director

File details come from the government source that posted it. Updated .