Water Street Sewer Interceptor Replacement Project

Construction activities for this week consisted of the following:

• Northern continued construction activities for the final phase of the gravity sewer alignment on Water Street. The last phase includes installing the sewer interceptor from the fifth manhole near Brewster Street to the last manhole near Pilgrim Memorial Park. As part of this work, Northern shut down Water Street from Brewster Street to Pilgrim Memorial Park.
• Northern worked on raising the remaining drainage structures along Water Street in the last phase of the alignment.
• Northern demobilized the frac tanks, temporary office, and equipment from the construction site and removed the site's jersey barriers and chain link fence.
• Northern finished prepping the subgrade for pavement restoration along Water Street, from Chilton Street towards Pilgrim Memorial Park.
• Northern worked on pavement restoration along Water Street. Pavement restoration and sidewalk restoration are scheduled to be completed by the end of Friday, 5/17. Traffic on Water Street will be restored to two lanes following the completion of pavement restoration.
• The existing waterfront sidewalk remains closed to foot traffic while construction is ongoing. The sidewalk will reopen to foot traffic following the completion of site restoration. 
• Traffic will continue to be detoured per the construction signage and the message boards provided for the project. Northern will remove the construction signage, message boards, and erosion controls as part of the site cleanup.
• No construction activities are scheduled for Saturday, 5/18.
• Site cleanup will take place on Friday, 5/17 before leaving the site for the weekend.

Northern will continue work on site next week (week of May 20, 2024) and the following work activities are anticipated to occur:

• Northern will work on roadway striping and general site cleanup along Water Street.
• All construction activities for this construction season are scheduled to be completed by Monday, 5/20.

Construction activities for this week consisted of the following:

• Northern continued construction activities for the final phase of the gravity sewer alignment on Water Street. The last phase includes installing the sewer interceptor from the fifth manhole near Brewster Street to the last manhole near Pilgrim Memorial Park. As part of this work, Northern shut down Water Street from Brewster Street to Pilgrim Memorial Park.
• Northern completed the reconstruction of drainage pipes and structures along Water Street in the last phase of the alignment.
• Northern repaired a water main leak near the intersection of Water Street and Howland Street.
• Northern worked on demobilizing bypass pumps, equipment, and materials from the construction site.
• Northern worked on prepping the site for paving and general site cleanup.
• No construction activities will occur this Saturday, 5/11.
• Site cleanup will take place on Friday before leaving the site for the weekend.
• The existing waterfront sidewalk remains closed to foot traffic while construction is ongoing.
• Traffic will continue to be detoured per the construction signage and the message boards provided for the project.

Northern will continue work on site next week (week of May 13, 2024) and the following work activities are anticipated to occur:

• All construction activities for this construction season are scheduled to be completed by the end of next week.
• Northern will continue prepping the site for pavement restoration along Water Street from Chilton Street toward Pilgrim Memorial Park.
• Northern will work on pavement restoration, sidewalk restoration, line striping, and general site cleanup along Water Street. 
• Pavement restoration is scheduled for Wednesday, 5/15 which will require detouring traffic on Water Street.
• Traffic on Water Street will be restored to two lanes following completion of pavement restoration. Northern will remove construction signage and message boards provided for the project.
• Erosion controls will be removed as part of site cleanup by the end of next week.

Construction activities for this week consisted of the following:

• Northern continued construction activities for the final phase of the gravity sewer alignment on Water Street. The last phase includes installing the sewer interceptor from the fifth manhole near Brewster Street to the last manhole near Pilgrim Memorial Park. As part of this work, Northern shut down Water Street from Brewster Street to Pilgrim Memorial Park.
• Northern's subcontractor, Eastern Concrete, was on site to perform manhole coring at the existing sewer manhole near Pilgrim Memorial Park. As part of this work, Northern's crew made the connection of the new 30-inch PVC gravity sewer interceptor to the existing sewer manhole at this location.
• Northern removed trench shoring around the excavated existing sewer manhole near Pilgrim Memorial Park. Additionally, Northern's crew worked on trench backfilling and material compaction.
• Northern continued reconstruction of drainage pipes and structures along Water Street in the last phase of the alignment.
• Northern's surveyor was on site to take GPS points of the manhole inverts along the interceptor alignment on Water Street.
• No construction activities will occur this Saturday, 5/4.
• Site cleanup will take place on Friday before leaving the site for the weekend.
• The existing waterfront sidewalk remains closed to foot traffic while construction is ongoing.
• Traffic will continue to be detoured per the construction signage and the message boards provided for the project.

Northern will continue work on site next week (week of May 6, 2024) and the following work activities are anticipated to occur over the next two weeks:

• Northern will continue construction activities for the final phase of the alignment on Water Street extending from Brewster Street to the last manhole near Pilgrim Memorial Park.
• Northern will continue the reconstruction of drainage pipes and structures along Water Street in the last phase of the alignment.
• Northern will work on general site cleanup

Construction activities for this week consisted of the following:

• Northern continued construction activities for the final phase of the gravity sewer alignment on Water Street. The last phase includes installing the sewer interceptor from the fifth manhole near Brewster Street to the last manhole near Pilgrim Memorial Park. As part of this work, Northern shut down Water Street from Brewster Street to Pilgrim Memorial Park.
• Northern began trench excavation near the last manhole to expose and evaluate the existing sewer manhole near Pilgrim Memorial Park, the existing 24-inch sewer main, and other connections to the existing sewer manhole. As part of this works, Northern's crew installed timber trench shoring around the excavated existing sewer manhole.  
• Northern worked on the bypass system between the existing sewer manhole near Pilgrim Memorial Park and the sewer manhole near Brewster Street.
• Northern conducted an inspection of the interior of the existing sewer manhole near Pilgrim Memorial Park to evaluate its condition.
• No construction activities will occur this Saturday, 4/27.
• Site cleanup will take place on Friday before leaving the site for the weekend.
• The existing waterfront sidewalk remains closed to foot traffic while construction is ongoing.
• Traffic will continue to be detoured per the construction signage and the message boards provided for the project.

Northern will continue work on site next week (week of April 29, 2024) and the following work activities are anticipated to occur over the next two weeks:

• Northern will continue construction activities for the final phase of the alignment on Water Street extending from Brewster Street to the last manhole near Pilgrim Memorial Park.
• Northern plans to have their subcontractor, Eastern Concrete, on site next Monday, 4/29, to perform manhole coring at the existing manhole near Pilgrim Memorial Park
• Northern will continue the reconstruction of drainage pipes and structures along Water Street in the last phase of the alignment.
• Northern will work on general site cleanup.

Construction activities for this week consisted of the following:

• There were no activities on Monday, 4/15 in observance of Patriots' Day.
• Northern continued construction activities for the final phase of the gravity sewer alignment on Water Street. The last phase includes installing the sewer interceptor from the fifth manhole near Brewster Street to the last manhole near Pilgrim Memorial Park. As part of this work, Northern shut down Water Street from Brewster Street to Pilgrim Memorial Park.
• Northern continued trench excavation and installation of the new 30-inch PVC gravity sewer interceptor along Water Street toward the last manhole near Pilgrim Memorial Park. 
• Northern mobilized bypass equipment and materials to the construction site.
• Construction activities will continue this Saturday, 4/20. Moving forward, the construction schedule will be from Monday to Saturday, weather dependent.
• Site cleanup will take place on Saturday before leaving the site for the weekend. 
• The existing waterfront sidewalk remains closed to foot traffic while construction is ongoing.
• Traffic will continue to be detoured per the construction signage and the message boards provided for the project.

Northern will continue work on site next week (week of April 22, 2024) and the following work activities are anticipated to occur over the next two weeks:

• Northern will continue construction activities for the final phase of the alignment on Water Street extending from Brewster Street to the last manhole near Pilgrim Memorial Park.
• Northern will pressure test the newly installed sewer interceptor from Brewster Street to the last manhole near Pilgrim Memorial Park.
• Northern will continue the reconstruction of drainage pipes and structures along Water Street in the last phase of the alignment.
• Northern will work on building the last manhole's bench and invert.
• Northern will work on general site cleanup.

Construction activities for this week consisted of the following:

• Northern began construction activities for the final phase of the gravity sewer alignment on Water Street. The last phase includes installing the sewer interceptor from the fifth manhole near Brewster Street to the last manhole near Pilgrim Memorial Park. As part of this work, Northern shut down Water Street from Brewster Street to Pilgrim Memorial Park.
• Northern set up temporary traffic controls, following the new detour plan. This included the installation of warning and detour signage and the installation of jersey barriers and chain link fence across Water Street, near #80 Water Street, to restrict vehicle access from Plymouth Rock to Brewster Street.
• Northern works on stripping asphalt surfaces along Water Street between the fifth sewer manhole and the last sewer manhole.
• Northern completed the installation of wells along Water Street between the fifth sewer manhole near Brewster Street and the last sewer manhole near Pilgrim Memorial Park as part of Northern's dewatering system.
• Northern set up equipment and materials to start trench excavation for the installation of the new 30-inch PVC gravity interceptor along Water Street toward the last manhole near Pilgrim Memorial Park. As part of this work, Northern temporarily removed an existing drainage structure and installed a trench box near Brewster Street.
• Construction activities will continue this Saturday, 4/13. Moving forward, the construction schedule will be from Monday to Saturday, weather dependent.
• Site cleanup will take place on Saturday before leaving the site for the weekend. 
• The existing waterfront sidewalk remains closed to foot traffic while construction is ongoing.
• Traffic will continue to be detoured per the construction signage and the message boards provided for the project.

Northern will continue work on site next week (week of April 15, 2024) and the following work activities are anticipated to occur over the next two weeks:

• No construction activities will occur on Monday, April 15, in observance of Patriots Day.
• Northern will continue construction activities for the final phase of the alignment on Water Street extending from Brewster Street to the last manhole near Pilgrim Memorial Park.

Construction activities for this week consisted of the following:

• Northern completed the installation of drainage piping on Water Street between Chilton Street and Howland Street.
• Northern installed a drainage structure near Howland Street.
• Northern continued trench backfilling and soil compaction.
• Northern completed grading and compacting the second travel lane on Water Street as part of the temporary roadway restoration work between Chilton Street and Brewster Street. Following the completion of the temporary roadway restoration, traffic on Water Street from the rotary to Brewster Street, will be restored to two lanes. 
• Northern plans to re-stripe the roadway to reflect two-way traffic on Water Street by the end of Friday.
• Northern worked on general site cleanup.
• No construction activities will occur this Saturday, 4/6. 
• Site cleanup will take place on Friday before leaving the site for the weekend.
• The existing waterfront sidewalk remains closed to foot traffic while construction is ongoing.
• Traffic will continue to be detoured per the construction signage and the message boards provided for the project.

Northern will continue work on site next week (week of April 8, 2024) and the following work activities are anticipated to occur over the next two weeks:

• Construction activities for the final phase of the alignment on Water Street will begin the week of April 8. This last phase includes installing the gravity sewer interceptor from the fifth manhole near Brewster Street to the last manhole near Pilgrim Memorial Park.
• Water Street will be closed from Brewster Street to the public restrooms at the State pier during this phase of construction. The public restrooms as well as local businesses will remain open during construction. Please see the attached detour plan. 

Construction activities for this week consisted of the following:

• Northern completed the removal of bracing sheets in previously completed areas along the interceptor alignment on Water Street.
• Northern continued the installation of drainage piping on Water Street between Chilton Street and Howland Street.
• Northern worked on general site cleanup and demobilization of equipment from previously completed areas.
• Northern's subcontractor, EJ Prescott, was on site to pressure test the newly installed sewer interceptor from the third manhole near Chilton Street up to the fifth manhole near Brewster Street. EJ Prescott's crew also conducted a leakage test on the fourth manhole near Howland Street. All tests passed the required pressure.
• Due to weather conditions, no construction activities occurred on Thursday, 3/28.
• Construction activities will occur this Saturday, 3/30. 
• Site cleanup will take place on Saturday before leaving the site for the weekend.
• The existing waterfront sidewalk remains closed to foot traffic while construction is ongoing.
• Traffic will continue to be detoured per the construction signage and the message boards provided for the project.

Northern will continue work on site next week (week of April 1, 2024) and the following work activities are anticipated to occur over the next two weeks:

• Northern will continue the installation of drainage piping on Water Street. 
• Northern will begin temporary roadway restoration on Water Street between Chilton Street and Brewster Street. 
• Construction activities for the final phase of the alignment on Water Street is anticipated to begin the week of April 8. This last phase includes installing the gravity sewer interceptor from the fifth manhole near Brewster Street to the last manhole near Pilgrim Memorial Park.

Construction activities for this week consisted of the following:

• Northern continued the removal of bracing sheets in previously completed areas along the interceptor alignment on Water Street.
• Northern completed the installation of  steel sheeting along the sewer interceptor alignment up to the fifth manhole near Brewster Street. 
• Northern completed the installation of the new 30-inch PVC gravity sewer interceptor up to the fifth manhole near Brewster Street.
• Northern installed the fifth manhole.
• Northern continued trench backfilling and material compaction.
• Northern began the installation of drainage piping on Water Street between Chilton Street and Howland Street.
• Northern installed a catch basin near Howland Street.
• Northern's subcontractor, Crana & Sons Inc., was on site to clean out the frac tank and dispose of materials off site.
• No construction activities will occur this Saturday, 3/23. 
• Site cleanup will take place on Friday before leaving the site for the weekend.
• The existing waterfront sidewalk remains closed to foot traffic while construction is ongoing.
• Traffic will continue to be detoured per the construction signage and the message boards provided for the project.

Northern will continue work on site next week (week of March 25, 2024) and the following work activities are anticipated to occur over the next two weeks:

• Removal of earth support in previously completed areas. Northern plans to complete the removal of earth support by Tuesday, 3/26. 
• Site cleanup and installation of drainage piping on Water Street
• Construction activities for the final phase of the alignment on Water Street is anticipated to begin the week of April 1. This last phase includes installing the gravity sewer interceptor from the fifth manhole near Brewster Street to the last manhole near Pilgrim Memorial Park.

Construction activities for this week consisted of the following:

• Northern continued the removal of bracing sheets in previously completed areas along the interceptor alignment on Water Street.
• Northern continued driving steel sheeting along the sewer interceptor alignment towards the fifth manhole near Brewster Street. 
• Northern continued installing relief wells inside the sheeting along the sewer interceptor alignment towards Brewster Street as part of their dewatering system. 
• Northern continued installing the new 30-inch PVC gravity sewer interceptor towards the fifth manhole near Brewster Street.
• Northern continued trench backfilling and material compaction.
• Northern installed a catch basin near Chilton Street.
• Construction activities will continue this Saturday, 3/16. Saturday work is anticipated throughout the remainder of construction, weather dependent. 
• Site cleanup will take place on Saturday.
• The existing waterfront sidewalk remains closed to foot traffic while construction is ongoing.
• Traffic will continue to be detoured per the construction signage and the message boards provided for the project.

Northern will continue work on site next week (week of March 18, 2024) and the following work activities are anticipated to occur over the next two weeks:

• Continue trench excavation and installation of the new sewer interceptor towards Brewster Street.
• Removal of earth support in previously completed areas.
• Installation of the the fifth sewer manhole.

Construction activities for this week consisted of the following:

• Northern continued the removal of bracing sheets in previously completed areas along the interceptor alignment on Water Street.
• Northern continued driving steel sheeting along the sewer interceptor alignment towards the fifth manhole near Brewster Street. 
• Northern continued installing relief wells inside the sheeting along the sewer interceptor alignment towards Brewster Street as part of their dewatering system. 
• Northern continued trench backfilling and material compaction.
• Northern installed a catch basin near Howland Street.
• Northern's subcontractor, ACE Concrete Cutting, sawcut existing asphalt pavement at proposed locations between the fifth manhole near Brewster Street and the last manhole for the installation of the sewer interceptor.
• Northern's well grouting company, L. Guerini, was on site and worked on decommissioning wells in previously completed areas. Ten dewatering relief wells outside the sheeting along Water Street were filled with grout.
• Northern's subcontractor, EJ Prescott, was on site to conduct a CCTV inspection of the newly installed sewer interceptor from Chilton Street to Howland Street.
• No construction activities will occur this Saturday, 3/9.
• Site cleanup will take place on Friday in preparation for the weekend.
• The existing waterfront sidewalk remains closed to foot traffic while construction is ongoing.
• Traffic will continue to be detoured per the construction signage and the message boards provided for the project.

Northern will continue work on site next week (week of March 11, 2024) and the following work activities are anticipated to occur over the next two weeks:

• Continue installation of dewatering wells along the sewer interceptor alignment.
• Removal of earth support in previously completed areas.
• Northern will finish driving sheeting up to the fifth manhole near Brewster Street on Tuesday, 3/12.
• Once sheeting has been completed, Northern will begin trench excavation and installation of the new sewer interceptor towards Brewster Street.

Construction activities for this week consisted of the following:

• Northern continued installing the new 30-inch PVC gravity sewer interceptor along Water Street towards the fifth manhole near Brewster Street.
• Northern continued trench backfilling and manhole compaction.
• Northern began the removal of bracing sheets in previously completed areas along the interceptor alignment on Water Street.
• Northern worked on building the invert at the fourth sewer manhole.
• Northern repaired a water main leak encountered near 114 Water Street. No businesses lost water during the repair.
• Northern installed a stop sign at the intersection of Water Street and Brewster Street.
• Northern's subcontractor, American Sweeping Co., was on site to sweep Water Street and other streets near the work zone.
• Northern's subcontractor, Thielsch Engineering, was on site to perform compaction testing along Water Street. All tests between the fourth manhole and the end of sheeting passed the required compaction.
• Construction activities will continue this Saturday, March 2. Moving forward, the construction schedule will be from Monday to Saturday, pending weather conditions.
• Site cleanup will take place on Saturday in preparation for the weekend.
• The existing waterfront sidewalk remains closed to foot traffic while construction is ongoing.
• Traffic will continue to be detoured per the construction signage and the message boards provided for the project.

Northern will continue work on site next week (week of March 4, 2024) and the following work activities are anticipated to occur over the next two weeks:

• Continue installation of dewatering wells along the sewer interceptor alignment.
• Removal of earth support in previously completed areas.
• Northern will continue driving sheeting within the excavated pavement and installing the new sewer interceptor towards Brewster Street.

Construction activities for this week consisted of the following:

• There were no activities on Monday, 2/19, in observance of Presidents' Day.
• Northern continued excavating and installing the intermediate bracing for the sheeting.
• Northern continued installing the new 30-inch PVC gravity sewer interceptor along Water Street from the third manhole near Chilton Street towards the fourth manhole near Howland Street.
• Northern installed the fourth manhole near Howland Street.
• Northern continued trench backfilling and manhole compaction.
• Northern repaired two water main leaks encountered near 114 Water Street. No businesses lost water service during the repairs.
• Northern's subcontractor, Thielsch Engineering, was on site to perform compaction testing along Water Street. All tests between the third manhole and fourth manhole passed the required compaction.
• Construction activities will continue this Saturday, February 24. Moving forward, the construction schedule will be from Monday to Saturday, pending weather conditions.
• Site cleanup will take place on Saturday in preparation for the weekend.
• The existing waterfront sidewalk remains closed to foot traffic while construction is ongoing.
• Traffic will continue to be detoured per the construction signage and the message boards provided for the project.

Northern will continue work on site next week (week of February 26, 2024) and the following work activities are anticipated to occur over the next two weeks:

• Continue installation of dewatering wells along the sewer interceptor alignment.
• Trench excavation for the new sewer interceptor and installation of intermediate bracing for the steel sheeting.
• Northern will continue the installation of the new sewer interceptor along Water Street.
• Trench backfilling and removal of earth support in previously completed areas. 

Construction activities for this week consisted of the following:

• Northern completed the first phase of the excavation support, which included the installation of approximately 330 feet of steel sheeting along the sewer interceptor alignment.
• Northern began excavating and installing the intermediate bracing for the sheeting.
• Northern began installing the new 30-inch PVC gravity sewer interceptor along Water Street toward Howland Street.
• Northern's dewatering subcontractor, McQuilkin Dewatering, continued installing passive relief wells inside the sheeting along the sewer interceptor alignment as part of Northern's dewatering system.  
• McQuilkin Dewatering continued developing the previously installed deep wells.
• Environmental Partner's third-party surveyor, A Plus Construction Services, Inc. was on site to monitor the survey points around the work zone.
• Construction activities will continue this Saturday, February 17. Moving forward, the construction schedule will be from Monday to Saturday, pending weather conditions.
• Site cleanup will take place on Saturday in preparation for the weekend.
• The existing waterfront sidewalk remains closed to foot traffic while construction is ongoing.
• Traffic will continue to be detoured per the construction signage and the message boards provided for the project.

Northern will continue work on site next week (week of February 19, 2024) and the following work activities are anticipated to occur over the next two weeks:

• No work will occur on Monday, February 19, 2024 in observance of Presidents' Day.
• Continue installation of dewatering wells along the sewer interceptor alignment.
• Trench excavation for the new interceptor and installation of intermediate bracing for the sheeting.
• Installation of the new sewer interceptor along Water Street.

Construction activities for this week consisted of the following:

• Northern's dewatering subcontractor, McQuilkin Dewatering, began installing passive relief wells inside the sheeting along the sewer interceptor alignment as part of Northern's dewatering system.  
• Northern continued driving steel sheeting along the interceptor alignment.
• Northern's subcontractor, Crana & Sons Inc., was on site to pump out dewatering relief wells previously installed in 2023. A total of six relief wells were serviced between 114 Water Street and Chilton Street.
• Construction activities will continue this Saturday, February 10. Moving forward, the construction schedule will be from Monday to Saturday, pending weather conditions.
• Site cleanup will take place on Saturday in preparation for the weekend.
• The existing waterfront sidewalk remains closed to foot traffic while construction is ongoing.
• Traffic will continue to be detoured per the construction signage and the message boards provided for the project.

Northern will continue work on site next week (week of February 12, 2024) and the following work activities are anticipated to occur over the next two weeks:

• Northern will continue driving steel sheeting within the excavated pavement along Water Street.
• Continue installation of dewatering passive wells along the proposed interceptor alignment.
• Trench excavation for the new interceptor and installation of intermediate bracing for the sheeting.
• Installation of the new sewer interceptor along Water Street.

Construction activities for this week consisted of the following:

• Northern's dewatering subcontractor, McQuilkin Dewatering, started to develop the previously installed wells for the dewatering system. As part of the well development, Northern's crew worked on setting up sump pumps, pumping water into the 6-inch PVC pipe into frac tanks for silt removal. 
• Northern continued driving steel sheeting along the interceptor alignment.
• Northern installed message boards and traffic signage dedicated to the project on North Park Avenue, Water Street, and Brewster Street.
• Environmental Partner's third-party surveyor, A Plus Construction Services, Inc., was on site to reestablish baseline points around the work zone.
• Construction activities will continue this Saturday, February 3. Moving forward, the construction schedule will be from Monday to Saturday, pending weather conditions.
• Site cleanup will take place on Saturday in preparation for the weekend.
• The existing waterfront sidewalk remains closed to foot traffic while construction is ongoing.
• Traffic will continue to be detoured per the construction signage and the message boards provided for the project.

Northern will continue work on site next week (week of February 5, 2024) and the following work activities are anticipated to occur over the next two weeks:

• Northern will continue driving steel sheeting within the excavated pavement along Water Street.
• Begin installation of dewatering passive wells along the proposed interceptor alignment.
• Trench excavation for the new interceptor and installation of intermediate bracing for the sheeting.
• Pipeline installation is scheduled to begin by the end of next week.

Construction activities for this week consisted of the following:

• Northern's dewatering subcontractor, McQuilkin Dewatering, continued the installation of wells for the dewatering system. Wells were drilled to approximately 40 feet below grade and will serve to depressurize the zone prior to excavation. As part of the installation, Northern's crew worked on asphalt removal, cleanup of drill spoils, installation of 6-inch slotted PVC pipe and cap, installation of steel casing, and backfilling.
• Northern began driving steel sheeting along the interceptor alignment.
• Northern's subcontractor, Inland Waters, was on site to conduct CCTV inspection of the existing sewer line from Brewster Street to Chilton Street. No issues were reported.
• Construction activities will continue this Saturday, January 27. Moving forward, the construction schedule will be from Monday to Saturday, pending weather conditions.
• Site cleanup will take place on Saturday in preparation for the weekend.
• The existing waterfront sidewalk remains closed to foot traffic while construction is ongoing.
• Traffic will continue to be detoured per the construction signage and the message boards provided for the project.

Northern will continue work on site next week (week of January 29, 2024) and the following work activities are anticipated to occur over the next two weeks:

• Northern will continue driving steel sheeting within the excavated pavement along Water Street.
• Continue installation of dewatering wells along the proposed interceptor alignment.
• Trench excavation for the new interceptor and installation of intermediate bracing for the sheeting.

Construction activities for this week consisted of the following:

• Northern continued mobilizing equipment to the construction site, including a crane for steel sheeting installation and the set-up of a frac tank.
• Northern's subcontractor, ACE Concrete Cutting, sawcut existing asphalt pavement at proposed locations between Chilton Street and Howland Street for the installation of dewatering wells and test pits.
• Northern dug test pits between Chilton Street and Howland Street to locate the existing 12-inch ductile iron water main at proposed sewer crossing locations.
• Northern demolished the existing catch basin near station 6+00
• Northern's dewatering contractor, McQuilkin Dewatering, was on site and worked on installing wells for the dewatering system.
• Northern prepped for installation of sheet piles along the interceptor alignment, which is scheduled to being next Monday, January 22.
• Site cleanup will take place on Friday in preparation for the weekend.
• No work is scheduled for this weekend.
• The existing waterfront sidewalk will be closed to foot traffic while construction is ongoing.
• Traffic will continue to be detoured per the construction signage and the message boards provided for the project.

Northern will continue work on site next week (week of January 22, 2024) and the following work activities are anticipated to occur over the next two weeks:

• Northern will begin driving steel sheeting within the excavated pavements (rescheduled for Monday, January 22).
• Continue installation of dewatering wells along the proposed interceptor alignment.
• Trench excavation for the new interceptor and installation of intermediate bracing for the sheeting.

Construction activities for this week consisted of the following:

• Northern continued mobilizing steel sheeting and timber matting to the construction site.
• Northern installed silt sacks in the catch basins within work zone limits.
• Northern established baseline points around the work zone using GPS equipment.
• Northern worked on building sewer manhole inverts.
• Northern prepped for installation of sheet piles and dewatering wells along the interceptor alignment, which is scheduled to begin next week.
• Site cleanup will take place on Friday in preparation for the weekend.
• No work is scheduled for this weekend.
• The existing waterfront sidewalk will be closed to foot traffic while construction is ongoing.
• Traffic will continue to be detoured per the construction signage and the message board provided for the project.

Northern will continue work on site next week (week of January 15, 2024) and the following work activities are anticipated to occur over the next two weeks:

• Northern will begin driving steel sheeting within the excavated pavement (scheduled for Monday, January 15).
• Installation of dewatering wells along the proposed interceptor alignment. Northern's dewatering subcontractor will be on site on January 16.
• Trench excavation for the new interceptor and installation of intermediate bracing for the sheeting

Construction activities for this week consisted of the following:

• Northern remobilized to the construction site and set up temporary traffic controls, following the stage 4A detour traffic plan. This included the installation of warning and detour signage, restriping parking and lane lines, and the installation of jersey barriers. The existing waterfront sidewalk will be closed to foot traffic while construction is on-going.
• Northern's subcontractor, ACE Concrete Cutting, began saw-cutting existing asphalt pavement along proposed trench limits. Northern's subcontractors, Vinny Moffard Excavation and Donovan & Sons, hauled asphalt off-site.
• Northern prepped for installation of sheet piles and dewatering wells along the interceptor alignment, which is scheduled to begin next week.
• Site cleanup will take place on Friday in preparation for the weekend.
• No work is scheduled for this weekend due to the upcoming storm.
• Traffic will continue to be detoured per the construction signage and the message boards provided for the project.

Northern will continue work on site next week (week of January 8, 2024) and the following work activities are anticipated to occur:

• Northern will begin driving steel sheeting within the excavated pavement and install dewatering wells along the proposed interceptor alignment. Once complete, trench excavation for the new interceptor will start, and intermediate bracing for the sheeting will be installed.

Construction activities for this week consisted of the following:

• Northern finished prepping the subgrade for pavement restoration.
• Pavement restoration, sidewalk restoration, and line striping along Water Street from the rotary towards Chilton Street was completed on Wednesday, June 28.
• Northern's on site testing company (Thielsch Engineering) performed compaction testing along Water Street.
• Northern continued demobilization of equipment and materials from the job site, as well as performed general site cleanup around the work zone and in the laydown area in the Memorial Hall parking lot. All equipment and materials will be removed from the job site by end of day Friday, June 30.
• Traffic on Water Street was restored to two lanes of traffic following pavement restoration. 
• Construction signage and message boards for the project will be removed this week.
• Erosion controls will be removed as part of site cleanup this week.
• Businesses on Water Street remained open to the public during construction activities. 

No construction activities are planned for the summer season. Northern anticipates to resume work on site during the fall of 2023 after Thanksgiving.

Construction activities for this week consisted of the following:

• Northern's well grouting company (L. Guerini) was on site and worked on decommissioning wells. All but four wells outside the sheeting along Water Street were filled with grout.
• Northern continued removal of bracing sheets and continued backfilling trench along the interceptor alignment on Water Street.
• Northern began prepping the subgrade for pavement restoration. The crew also installed approximately 190 linear feet of curbing.
• The remainder of work activities this week include installing drainage piping, removing bracing sheets, prepping the subgrade for pavement restoration, and general site cleanup.
• Traffic continued to be detoured per construction signage and message boards provided for the project.
• Site cleanup took place at the end of each day.
• Businesses on Water Street remain open to the public while construction activities are ongoing.
• The sidewalk on the harbor side of Water Street between the rotary and  #122 Water Street will be closed this coming weekend for paving. 

Northern will continue work on site next week (week of June 26, 2023) and the following work activities are anticipated to occur:

• General site cleanup and pavement restoration.

Construction activities for this week consisted of the following:

• Northern excavated, installed, backfilled, and compacted approximately 42 linear feet of the 30-inch PVC gravity sewer interceptor along Water Street toward the end of sheeting, between Chilton Street and Howland Street.
• Northern installed the third sewer manhole, at the end of the sheeting.
• Northern's geotechnical engineer (GeoEngineers) was on site this week to monitor the installed piezometers along Water Street.
• The sewer interceptor from the first sewer manhole to the second sewer manhole was jet cleaned to remove silt.
• The remainder of the work activities by Northern this week include trench backfilling, frac tank cleanup, general site cleanup, and demobilization of equipment.
• Traffic continues to be detoured per the construction signage and the message boards provided for the site.
• Site cleanup took place at the end of each day.
• Businesses on Water Street remain open to the public while construction activities are ongoing. Signage indicating this is installed on site and continues to be maintained. 

Northern will continue work on site next week (week of June 19, 2023) and the following work activities are anticipated to occur:

• General site cleanup and prepping the subgrade for pavement restoration.

Construction activities for this week consisted of the following:

• Northern excavated, installed, and backfilled approximately 112 linear feet of the 30-inch PVC gravity sewer interceptor along Water Street towards Chilton Street and a sewer manhole near Chilton Street.
• Northern's relief well driller (Phoenix Foundation Company, Inc.) finished drilling relief wells along the interceptor alignment on Water Street on Monday (6/5). A total of 33 relief wells have been installed to date.
• Northern's geotechnical engineer (GeoEngineers) was on site this week to monitor the installed piezometers along Water Street and record well drilling observations during drilling work.
• Northern will continue excavating and installing the 30-inch PVC gravity sewer interceptor between Chilton Street and Howland Street on Friday, 6/9 and Saturday, 6/10.
• Signage indicating all businesses are open have been installed and continue to be maintained.
• Traffic is continued to be detoured per the construction signage and the message boards provided for the project.
• Site cleanup took place at the end of each day.

Northern will continue work on site next week (week of June 12, 2023) and the following work activities are anticipated to occur:

• Continue installation of 30-inch PVC gravity sewer interceptor working towards the end of installed sheeting.
• Install a sewer manhole at the end of the sheeting.
• Continue trench backfilling and site restoration.

Construction activities for this week consisted of the following:

• There were no activities on Monday (5/29) in observance of Memorial Day.
• On Tuesday (5/30), Northern’s well driller (Northern Drill Service, Inc) drilled two boreholes along the interceptor alignment on Water Street. Northern’s geotechnical engineer (GeoEngineers) installed piezometers in the boreholes, monitored subsurface conditions, and recorded well drilling observations on-site during this drilling work.
• On Tuesday (5/30), Wednesday (5/31), and Thursday (6/1), Northern’s relief well driller (Phoenix Foundation Company, Inc.) continued the drilling of relief wells along the interceptor alignment on Water Street. A total of 21 relief wells have been installed to date.
• Northern and their well drillers plan on continuing their drilling operations along Water Street for the remainder of this week. The plan is to work on Friday (6/2) and Saturday (6/3).
• Traffic continued to be detoured per the construction signage and the message boards provided for the project.
• Site cleanup took place at the end of each day.

Northern will continue work onsite next week (week of June 5, 2023) and the following work activities are anticipated to occur:

• Based on progress of the relief well system, Northern plans on continuing installation of the gravity sewer interceptor next week.

Construction activities for this week consisted of the following:

• Northern resumed activities on the Water Street Sewer Interceptor project on Monday, 5/22.
• Northern's well driller, Northern Drill Service, Inc., drilled four boreholes along the interceptor  alignment on Water Street on Monday, Tuesday, and Wednesday.
• Northern's relief well driller, Phoenix Foundation Company, Inc., drilled a relief well along the interceptor alignment on Water Street on Wednesday
• Northern's geotechnical engineer, GeoEngineers, installed piezometers in the boreholes, monitored subsurface conditions, and recorded well drilling observations onsite while drilling work occurred.
• Northern's crew monitored the existing crack gauges installed along the interceptor alignment on Water Street and installed additional crack gauges at the Visitors Center.
• Northern's crew assisted the well drillers with their operations and drove additional sheeting near Chilton Street.
• Northern and their well drillers plan to continue drilling operations along Water Street for the remainder of this week, including Saturday, 5/27.
• Traffic continues to be detoured per the construction signage and message boards provided for the project.
• Site cleanup took place at the end of each day.

Northern will continue work onsite next week (week of May 29, 2023) and the following work activities are anticipated to occur: 

• No work activities will be performed on Monday, 5/29 in observance of Memorial Day.
• Northern and their well drillers will be onsite next week to continue their drilling operations along Water Street.
• Northern will have their geotechnical engineer onsite to monitor subsurface conditions and record well drilling observations.
• Based on the progress of the relief well system, Northern plans on continuing installation of the gravity sewer interceptor next week.

Construction activities for this week consisted of the following:

• Northern continued removal of bracing sheets along the new sewer interceptor alignment on Water Street this past week.
• Northern repaired leaks inside the first manhole near Memorial Drive, cleaned the manhole, and started building the manhole's bench and invert. Additionally, Northern installed a temporary walk-through for pedestrian traffic between Memorial Drive and Chilton Street.
• Northern placed a 4" asphalt temporary trench patch for the water main work performed on Water Street between Memorial Drive and Chilton Street.
• Traffic continued to be detoured per the construction signage and the message boards provided for the project.
• Site cleanup took place at the end of each day.

Northern will resume work on-site next week (week of March 6, 2023) and the following work activities are anticipated to occur:

• Northern will continue daily movement and vibration monitoring surveys.
• Northern to continue installation of earth support and work towards Chilton Street.
• Northern will continue excavation and sewer interceptor piping installation along Water Street toward the second manhole near Chilton Street.
• Northern to install second manhole near Chilton Street.
• Trench backfilling and removal of earth support in previously completed areas.

Construction activities for this week consisted of the following:

• There were no activities on Monday (February 20), in observance of Presidents' Day.
• Northern continued removal of bracing sheets along the new sewer interceptor alignment and relocated equipment down Water Street for the project's next phase.
• On Tuesday (February 21), Northern found and repaired a water main leak at the ductile iron tee near the intersection of Water Street and Memorial Drive. The Plymouth Water Department was contacted to isolate the damaged portion of the main.
• On Wednesday (February 22) and Thursday (February 23), Northern continued the replacement of the drainage piping and catch basins on Water Street.
• Northern also re-stripped the roadway to reflect the two-way traffic on the south side of Water Street as per the updated Traffic Management Plan (Water Street Stage 2B). Additionally, Northern repaired the water service line for the Plymouth Visitor Center and restored the electrical connection for the light pole at the Plymouth Visitor Center.
• Traffic continued to be detoured per the construction signage and the message boards provided for the project.
• Site cleanup took place at the end of each day.

Northern will resume work on-site next week (week of February 27, 2023) and the following work activities are anticipated to occur:

• Northern will continue daily movement and vibration monitoring surveys
• Northern to continue installation of earth support and work towards Chilton Street
• Northern to continue to excavate and install sewer interceptor piping along Water Street toward the second manhole near Chilton Street
• Northern to complete replacement of drainage pipe and drainage structures along Water Street

Construction activities for this week consisted of the following:

• Northern Construction Service continued excavating and installing the 30-inch PVC gravity sewer interceptor along Water Street toward Chilton Street. Approximately 102 linear feet of pipe were installed this past week. Pipe joints were sealed prior to backfilling and compacting the trench for the sewer interceptor.
• Northern continued removal of bracing sheets along the alignment on Water Street.
• The dewatering pumps powered down on Sunday (February 5, 2023) due to an issue with the dewatering pump generators. On Monday (February 6, 2023), Northern spent the day dewatering the trench along Water Street and replaced a damaged section of 30-inch PVC with a new section of 30-inch PVC before continuing work activities.
• On Wednesday (February 9, 2023), Northern removed the wellpoint header pipe along Water Street from Station 01+00 to Station 02+50.
• Traffic continued to be detoured per the construction signage and the message boards provided for the project.
• Site cleanup took place at the end of each day.

Northern will resume work on-site next week (week of February 13, 2023) and the following work activities are anticipated to occur:

• Northern will continue daily movement and vibration monitoring surveys.
• Continue to excavate and install sewer interceptor piping from the first manhole toward Chilton Street and beyond Chilton Street towards the second manhole.
• Continue installation of earth support, working towards Chilton Street and the second manhole.
• Trench backfilling and removal of earth support in previously completed areas.
• Continue reconstruction of drainage pipes and structures.

Construction activities for this week consisted of the following:

• Northern Construction Service continued excavating and installing the 30-inch PVC gravity sewer interceptor along Water Street toward Chilton Street.
• Timber lagging removal around utilities in the trench along Water Street.
• Trench backfilling and material compaction.
• On Tuesday (January 31, 2023), a significant leak was observed while removing timber lagging near the adjacent water main. The Plymouth Water Department was contacted to isolate the damaged portion of the main. After the leak was contained, the trench was dewatered, and the water main was repaired.
• On Wednesday (February 1, 2023), the crew worked on dewatering four feet of water located between station 03+00 and station 01+00 along Water Street.
• Northern installed two manhole risers and top section to complete buildout of SMH-06.
• Replacement of a hydrant gate box that was removed during the break.
• Jet cleaned the newly installed sewer interceptor to remove debris resulting from the break that occurred on Wednesday (February 1, 2023).
• Traffic continued to be detoured per the construction signage and the message boards provided for the project.
• Site cleanup took place at the end of each day.

Northern will resume work on-site next week (week of February 6, 2023) and the following work activities are anticipated to occur:

• Northern will continue daily movement and vibration monitoring surveys.
• Continue to excavate and install sewer interceptor piping from the first manhole (SMH-06) toward Chilton Street.
• Continue installation of earth support, working towards Chilton Street and the second manhole (SMH-05A).
• Trench backfilling and removal of earth support in previously completed areas.
• Begin reconstruction of drainage pipes and structures.
• Week Ending January 27, 2023

Construction activities for this week consisted of the following:

• Northern continued driving steel sheeting along Water Street.
• Excavation and installation of 30-inch PVC gravity sewer interceptor along Water Street toward Chilton Street.
• Timber lagging installation around utilities in the trench along Water Street.
• Trench backfilling and material compaction.
• Installation of safety railing along steel sheeting.
• Fabrication of steel beams for trench shoring.
• Removal of existing drainage manhole and drainage pipes.
• Excavation and installation of first sewer manhole.
• Placing of "No parking sign" barrels on Chilton Street and installation of detour sign at Brewster Street intersection.
• The deep dewatering wells continue to pump groundwater 24 hours a day, seven days a week. The sump pump powered down over the weekend. Therefore, Monday morning (January 23, 2023) was spent dewatering the trench.
• Traffic continued to be detoured per the construction signage and the message boards provided for the project.
• Site cleanup took place at the end of each day.

Northern will resume work on-site next week (week of January 30, 2023) and the following work activities are anticipated to occur:

• Northern will continue daily movement and vibration monitoring surveys.
• Continue to excavate and install sewer interceptor piping from the first manhole toward Chilton Street.
• Continue installation of earth support, working towards Chilton Street and the second manhole.
• Trench backfilling and removal of earth support in previously completed areas.backfilling
• Reconstruction of drainage pipes and structures.
• It is anticipated that groundwater will be under control with the deep wells, and additional sumps will handle any water encountered in the trench during the excavations. The contractor will re-evaluate and install as required if a vacuum pump system is needed.

Construction activities for this week consisted of the following:

• Northern continued driving steel sheeting using a hydraulic hammer within the excavated pavement along the first 300 feet of the interceptor alignment.
• The well point dewatering system is running continuously on a 24/7 basis while construction is ongoing.
• Traffic will continue to be detoured per the construction signage and the message boards provided for the project.
• Site cleanup takes place at the end of each day
• Northern will also be working on-site on Saturdays for the next several weeks.

Northern will resume work on-site next week (week of January 16, 2023) and the following work activities are anticipated to occur:

• No work on site on Monday, January 2016 in observance of Martin Luther King Jr. Day
• Northern will continue to drive the remainder of the first 300 feet of sheeting and will continue lagging
• Excavation and pipeline installation will start. It is anticipated that groundwater will be under control with the deep wells. Any water encountered in the trench during the excavation will be handled by additional sumps. Should a vacuum pump system be required, the contractor will re-evaluate and install as required.
• Geotechnical monitors will continue to be monitored daily during construction, including vibration.

Construction activities for this week consisted of the following:

• Northern continued driving steel sheeting using a hydraulic hammer within the excavated pavement along the first 300 feet of the interceptor alignment.
• The well point dewatering system was activated this week and will be running continuously on a 24/7 basis while construction is ongoing.
• Northern installed additional security fencing on jersey barriers near the Water Street rotary for protection of existing crew and equipment.
• Site cleanup will take place on Friday in preparation for the weekend.
• Traffic will continue to be detoured per the construction signage and the message boards provided for the project

Northern will resume work on-site next week (week of January 9, 2023) and the following work activities are anticipated to occur:

• Northern will have two crews working on-site next week:
  • One crew will continue to drive sheeting within the excavated pavement along the first 300 feet of the project
  • The second crew will begin excavation to below pipe subgrade at the manhole closest to the Water Street rotary. Once excavation is below pipe subgrade, Northern will connect the new 30-inch PVC gravity sewer interceptor to the existing 30" pipe stub and proceed with the gravity sewer interceptor installation.
• Vibration monitors will be recording vibration activities on site as the contractor drives sheeting below grades. Should vibration readings exceed thresholds, effort will stop, and appropriate adjustments will be made to mitigate this issue.
• Geotechnical monitors will be monitored daily during construction activities to ensure there will be no movements of sidewalks, walls, and other features along the alignment.