Naval Ammo Depot

Remedial Investigation / Feasibility Study

The Army Corps of Engineers and their consultants will be conducting site investigation work throughout Bare Cove Park beginning in late April and continuing through July.  Please check this page regularly for area closures and other important information

Current Hingham NAD RI field activities 

MA-3A BRIDGE CLOSURE – Due to ongoing environmental investigations being completed by the US Army Corps of Engineers, the bridge on MA-3A crossing over the Weymouth Back River will be closed during the night on 16-18 October 2018 from 9:00 PM to 5:00 AM.

MBTA Bus Route 220 Diversion (PDF) 

Previous Week (8-12 October 2018)

  • Intrusive analog polygon and transect investigations in the Weymouth Back River and South Pier.
  • Road closure awareness signage (electric signs) were installed on Tuesday, 9 October 2018.

Next Week (15-19 October 2018)

  • Intrusive investigations in the North Pier during the night between 2100 and 0500.
  • MA-3A closure during the nights of 16-18 October 2018 (Tuesday – Thursday).
  • Detour route signage will be installed and removed each night during MA-3A closure.

Out Week 1 (22-26 October 2018)

  • Monday, 22 October 2018 – Tear down, load, and stow. No anticipated intrusive operations.
  • Tuesday, 23 October 2018 – Intrusive investigations in the Furnace Area.
  • Wednesday, 24 October 2018 – Demobilization


  • See attached figure for next weeks anticipated work locations and for the larger intrusive project schedule. This is subject to change and will be managed by the on-site SUXOS/Dive Supervisor and UXOQC/SO in coordination with the Project Management Team.
  • Intrusive work is scheduled to be completed during the week of 22 October 2018.

Highlights or Outstanding Issues

  • The remaining background sampling in Great Esker Park and in the southeast portion of Bare Cove Park has been postponed. Notification and an updated schedule will be provided prior to additional sampling activities.
  • We have MassDOT approval of the Traffic Control Plan. The permit itself is circulating for signature but we have been informed there are no issues with the work scheduled for next week.
  • Attached are the meeting minutes from the 3 October 2018 MA-3A closure meeting in Hingham.
  • The on-site Quality Control/Safety Officer (Bill Bendel) is being switched next week. Contact information will be provided once we receive approval of replacement personnel.


Hingham NAD RIFS Field Work