Project Status


Station B Update - City of New Haven



1. Main Activities During Reporting Period


  • Develop supplemental sampling plan for English Station Western Side based on CTDEEP’s responses for Western Side Scope of Study and Investigation Report RTCs.
  • Develop a revised English Station First Floor & Interstitial Fill Scope of Study based on comments received from CTDEEP.
  • Develop response to CTDEEP comments on English Station Boiler 13/14 (environmental media only) Scope of Study
  • Continue to correspond with CTDEEP & EPA on Parcel B remedial approach.
  • Work with contractor and LEP to address the CTDEEP approved solution for NOVWSPCB 19-002 violation #3, dated June 11, 2020 related to stormwater.
  • Submit summary report on Situation #3 Station B South Cooling Water Discharge Tunnel.
  • Finalize for submittal March 2020 Groundwater Summary Report.
  • Finalize for submittal Parcel A PCB RAP Modification based on Station B Cooling Water Discharge Tunnel
  • Based on additional comments by CTDEEP, performing revisions to the Phase I Plans and Specifications related to the approved RAPs.
  • Continue to work with the Property Owner(s) of Parcel A & B (and as necessary, the developer) in order to obtain signatures/acceptance on the current approved RAPs pursuant to requirements in the CTDEEP and EPA approval letters.
  • Continue developing Contractor Work Plan and ancillary documents associated with the Parcel A PCB Remedial Action Plan.
  • UI/AVANGRID meeting(s) with Property Developer to discuss future development plans and how it corresponds with UI's current PCO obligations and remedial plans.
  • Continue to refine overall Project schedule and cost estimate(s) associated Main Power Plant scope.
  • Finalize award with AVANGRID Procurement to identify a contractor for the soil remediation activities on Phase I.
  • Conduct another round of groundwater sampling on monitoring wells network.
  • Perform required stormwater inspections of the site erosion and sediment controls for the Phase I activities approved under CT DEEP permit number GSN003422.
  • TRC performed bi-weekly inspections of the Significant Environmental Hazard (SEH) areas and submitted inspection reports to UI.
  • Updated of Project Website.


2. Upcoming Activities


  • Work with EPA and CT DEEP on the authorization of the Phase I - Parcel B PCB RAP.
  • Commence certain Phase I PCB and other COC soil remediation activities covered in the Phase I RAPs, such as:
  • Evaluate off-site sources for suitable soil/clean fill to be used as cover material for site-wide restoration.
  • Sample debris piles.
  • Submit Parcel A PCB RAP Modification.
  • Finalize the Contractor Work Plan and ancillary documents associated with EPA’s requirements under the Parcel A PCB RAP approval letter.
  • Follow-up meeting with CTDEEP, CTAGO, City of New Haven, Property Developer and Owner to discuss Project.
  • Perform supplemental environmental media sampling efforts inside of English Station (Western Side, Boiler 1-12, Boiler 13/14 & Interstitial Fill Area(s)).
  • Work with CT DEEP on any follow-up comments for the Scope of Study for English Station Eastern Interior Boilers 1 through 12 and High Pressure Boilers 13 & 14 (hazardous building materials).
  • Work with CT DEEP on Project schedule and scope.
  • Continue to refine Project estimates for Main Power Plant.


Monthly Reports

July 2020

June 2020

May 2020

April 2020

March 2020

February 2020

January 2020

December 2019

November 2019

October 2019

September 2019

August 2019

July 2019

June 2019

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April 2019

March 2019

February 2019

January 2019

December 2018

November 2018

October 2018

September 2018

August 2018

July 2018

June 2018

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April 2018

March 2018