Hillsborough Transmission Replacement

Last updated Jun. 22, 2018 - 2:01 pm
  • Planning
  • Design
  • Construction
  • Completed
  • Transmission Main Replacement
  • Public Utilities (Lead)
  • Hazen ( Project Design Consultant)
  • T.A. Loving Company (Construction Contractor)

Current Activity

Posted Friday, June 22

Construction of the 36-inch waterline continues on Hillsborough Street (east of Forest and headed to W. Park). The final tie-ins will be done at the intersection of W. Park and Hillsborough Street which will require the closure of this intersection for approximately two weeks beginning July 2.

Pavement and concrete restoration work continues as well. On the morning of Saturday, June 23, there will be milling operations on Clark Avenue (from Chamberlain to Oberlin) and on Oberlin (from Clark to Park). Paving of this section will follow on Monday, June 25. There will be flagging operations to maintain two-way traffic during these operations, however expect delays and take alternate routes if possible.

Pipe abandonment work will be taking place on Enterprise Street beginning June 26 and ending June 29. During that time, the northbound lane of Enterprise Street will be closed and detoured to allow for this work. Please see the attached detour plan on this page under Maps & Plans.

Please check the webpage often as the project information will be updated regularly.

Construction schedules are subject to change due to unforeseen conditions such as weather, construction delays or conflicts.


Construction is underway on the 36-inch waterline replacement in the Hillsborough Street and Cameron Village vicinity. Many of the adjacent aging water and sewer lines will be replaced as part of this project. As the work progresses, adjacent property owners will receive notifications before work begins on their street. Public Utilities has a full time on site inspector for the project and will provide coordination between the contractor and property owners as needs arise.


Project schedule with dates and descriptions
October 2017Construction Start
October 2017 to February 2018Chamberlain Street from Everett Avenue to Clark Avenue
January 2018 to May 2018Clark Avenue then Oberlin Road
December 2017 to May 2018Cameron Park Streets
May 2018 to August 2018Hillsborough Street
September 2018Project Completion


Issues with the waterline were first discovered in August of 2016 as part of a proactive condition assessment of critical waterlines, which is an important component of the Asset Management Program. The assessment concluded the waterline needs to be replaced to avoid failure.

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