A new three-phase construction timeline aims to begin the Charlton waterline construction in 2018 with individual water connections to complete in 2021, technical teams for ExxonMobil and Kleinfelder recently confirmed.

This long-term, permanent solution is intended to address groundwater contamination problems to which the former LaMountain service station may have contributed. The line has the added benefits of resolving other groundwater issues facing the Town which are not related to the station, such as naturally-occurring arsenic, road salt, radon/ uranium and petroleum releases from the Town Garage.

The initial waterline construction was set to begin in 2017. Yet, as waterline design approvals slowed, technical concerns grew over various issues including pressure testing of Charlton’s existing water lines, which currently lack adequate pressure in some areas, delaying construction.

In rethinking these challenges, ExxonMobil and Kleinfelder determined that we could install the bulk of the Charlton pipeline structure while the towns resolved the ongoing water pressure concerns,” said Beth Zinkevicz of ExxonMobil, who oversees the waterline project. “Provided water pressure testing improves, our new goal is to finish the waterline by 2020 and still complete individual water connections in 2021 as originally planned.”

A working three-phase waterline construction timeline is as follows:

  1. 2018 – 2019: Route 169 pump station and water mixers installation
  2. 2018 – 2019: Charlton Waterline pipe laying construction
  3. 2020 – 2021: Complete remaining pump stations and finalize individual water service connections

PROGRESS HIGHLIGHTS:

  • Installed a 16-inch diameter water main along Route 169 (Aug. – Oct. 2016).
  • Conducted further field work, including professional survey and drilling (Sept. – Oct. 2016).
  • Met with Massachusetts Department of Environmental Protection (MADEP) and the Town of Charlton to negotiate the Settlement Agreement and Administrative Consent Order (Nov. 2016).
  • Submitted utility permits to National Grid, Kinder Morgan and Verizon for construction (Nov. 2016 – Jan. 2017).
  • Submitted draft water line design to Charlton (Dec. 2016); received comments June 2017.
  • Submitted draft designs for pump stations to Charlton (Mar. 2017); received comments June 2017.
  • Submitted Pre-Qualification package to prospective bidders (Apr. 2017).
  • Met with representatives of Charlton Water & Sewer Commission, Police Department, Highway Department, Fire Department, Chris McClure, and Southbridge Department of Public Works to plan for construction and traffic management (ongoing).
  • Met with representatives of The Overlook, Bay Path Regional Technical High School, and Heritage and Charlton Middle Schools to plan for construction (ongoing).
  • Conducted pressure test on existing water system (May 2017).
  • Submitted response to Charlton’s initial review comments of water line design (June 2017).
  • Met with representatives of Charlton and Southbridge to discuss pressure test results and progress water design approvals (June 2017).
  • Conducted second pressure test on existing water system (July-August 2017).
  • Submitted draft and final designs for water tank mixers to Charlton (June and August 2017); received Charlton, Southbridge and MADEP approvals in September 2017
  • Submitted bid to prospective contractors for water tank mixers (September 2017).
  • Reimbursed Charlton for the acquisition of land on Southbridge Road for Route 169 Pump Station (September 2017); Town of Charlton purchased the land in October 2017.
  • Submit final design for Route 169 pump station (December 2017).
  • Submit bids and award construction contract for Route 169 water pump station (Early 2018).
  • Award construction contracts for water tank mixers to improve water quality on the existing Charlton water system (Early 2018).
  • Construction of Route 169 water pump stations and water tank mixers (Mid-2018 – Early 2019).
  • Waterline project design approvals via Charlton and Southbridge (June 2018).
  • Community meeting providing outline details of the project and answering any questions from residents (June 2018).
  • Submit bids and award construction contracts for bulk of Charlton waterline (July 2018).
  • Review of bids, discussions with contractors and approvals (August 2018).
  • NEW – Notice to Proceed awarded to Charlton Waterline Project contractors (September 2018).
  • NEW – Pre-construction meeting scheduled for Charlton Waterline Project (September 2018).
  • NEW – Mobilization for the Charlton Waterline Project begins (Early October 2018).
  • NEW – Construct Charlton waterline project (2018-2019).
  • NEW – 12-month grace period begins to accept waterline connection (2019).
  • NEW – Begin individual water service connections and well abandonment (2019).
  • NEW – 12-month grace period ends to accept waterline connection (2020).
  • NEW – Complete construction of remaining water pump stations (2020-2021).
  • NEW – Individual water service connections and well abandonments completed (2021).