Project Status



Station B Update - City of New Haven



1. Main Activities During Reporting Period

  • The following Project related documents were provided by CTDEEP to UI :
    • Scope of Study Boiler #13 Concrete Foundation and Other Sampling approval (November 4, 2021).
  • Developing the following Project related documents for submittal to CTDEEP:
    • English Station Boiler 13/14 (High Pressure) Investigation Summary Report.
    • UI Response to EPA & CTDEEP Parcel B PCB RAP Comments and Requests for Clarification(s).
  • Continue to work with the State of Connecticut along with Property Owner(s) of Parcel A & B (and as necessary, the developer) to obtain signatures/acceptance on the current approved RAPs pursuant to requirements in the CTDEEP and EPA approval letters.
  • Performed a pump and recharge test on water levels within Boiler 13, in preparation of the upcoming interim remedial measure (IRM) work activities.
    • Submitted work activity notification to CTDEEP on November 3, 2021 pursuant to PCO condition B.1.g.
  • Continue to refine overall Project schedule and cost estimate(s).
  • Perform required inspections of:
    • Erosion and sediment controls (re)approved under CT DEEP permit number GSN003422 on a monthly frequency. 
    • Eight Significant Environmental Hazard (SEH) areas on a bi-weekly frequency
    • Work with AVANGRID internal stakeholders to develop format for upcoming public information session on Project.
  • Updates to UI’s English Station Project website.


2. Upcoming Activities


  • Submit to CTDEEP:

    • English Station Boiler 13/14 (High Pressure) Investigation Summary Report.

    • UI Response to EPA & CTDEEP Parcel B PCB RAP Comments and Requests for Clarification(s).

  • Work with State of Connecticut on obtaining property owner’s signature/acceptance for current approved Parcel A PCB RAP and Non-PCB Soil RAP (Parcel A&B).

  • Commence certain Phase I soil remediation ancillary activities covered in the Phase I RAPs, pending owner acknowledgement letter and other applicable approvals:

    • Development of support plans for remedial efforts, such as Soil Management Plan, Air Monitoring Plan and others outlined in Plans and Specifications.

    • Evaluate off-site sources for suitable soil/clean fill to be used as cover material for site-wide restoration.

    • Sample debris piles on both Parcel A & B.

  • Pursuant to the sequence of approvals from CTDEEP, perform supplemental environmental media sampling inside of English Station (Western Side, Boiler 1-12, & Boiler 13/14).

  • Begin certain preliminary pre-construction/remediation discussions with UI’s English Station Boiler 13 IRM contractor regarding schedule, administrative submittals and preliminary remedial activities.

  • Work with CT DEEP on any follow-up comments for the following documents:

    • Scope of Study for English Station Eastern Interior Boilers 1 through 12 and High Pressure Boilers 13 & 14 (hazardous building materials).

    • Debris Pile Sampling Memo.

    • Phase I Plans and Specifications.

  • Work with CT DEEP on Project schedule and scope.

  • Continue to refine Project estimates for Main Power Plant.


3.  Site Security

  • Continue to maintain the security measures put in place by, and acquired from, the current property owners.  


Monthly Reports

November 2021

October 2021

September 2021

August 2021

July 2021

June 2021

May 2021

April 2021

March 2021

February 2021

January 2021

December 2020

November 2020

October 2020

September 2020

August 2020

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

May 2019

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