Rebuild by Design Meadowlands
Liberty Street Pump Station & Force Main
Boroughs of Little Ferry and Moonachie, Bergen County
Construction Advisory Email Updates
Frequently Asked Questions
(Last revised August 30, 2024)
Project Design
Will the Liberty Street Pumping Station and Force Main project reduce flooding on my property?
A: The purpose of the project is to reduce the risk of flooding in the vicinity due to rainfall events, but the amount of flood reduction will depend on where your property is located and the severity of the rainfall event. The new Pumping Station will start to operate when the existing Losen Slote pipeline located beneath 15 Liberty Street is approximately three-quarters (¾) full. This pumping station will not prevent flooding caused by tidal storm surge from the Hackensack River. Once the tidal surge waters begin to recede, the Pumping Station project would evacuate flood water from the area more rapidly than in existing conditions.
Why wasn’t the force main outfall at Birch Street designed to discharge further downstream?
A: The location at the end of Birch Street is the optimized location for the outfall based on modelling, cost, and environmental impacts. The pumping station will remove floodwater upstream and the force main will discharge it back to the Losen Slote below the populated area and in a location where the Losen Slote channel has the capacity to accept the floodwater. In addition, the existing decommissioned tide gate structure in Losen Slote downstream of Birch Street was removed to make the flow in the stream less obstructed and reduce flooding under all rainfall scenarios.
Losen Slote Channel
The decommissioned tide gate structure in Losen Slote was removed. Are there any plans to dredge Losen Slote?
A: The United States Department of Housing and Urban Development (HUD) funds allocated for the Rebuild by Design Meadowlands project cannot be used for maintenance activities. HUD considers dredging to be maintenance; therefore, the Losen Slote channel cannot be dredged as part of this project. This project continues to support this initiative and would encourage maintenance of the Losen Slote by the local municipality to promote additional drainage in the project area.
Why isn’t the project approaching Losen Slote the way it is approaching the East Riser Ditch (stabilizing banks, widening, adding native plantings and a wetlands shelf)?
A: The goal of improvements in the East Riser Ditch is to increase capacity in the waterway, whereas the goal in the Losen Slote is to bypass the restricted capacity. Improvements such as those being made to East Riser Ditch would have resulted in encroachments into residents’ yards along the Losen Slote. Some residents would have permanently lost portions of their backyards and any structures adjacent to the waterway.
Operation of the Losen Slote Pumping Station and Liberty Street Pumping Station
What happens if the Liberty Street Pumping Station stops working during a flood event?
A: This scenario is unlikely to occur. The Pumping Station will be equipped with an emergency generator that will operate the pumping station on natural gas in the event of power failure. The Pumping Station will also be equipped with three pumps, one of which is a spare. In the unlikely event that the Pumping Station stops working, flooding will occur as it does in existing conditions.
What happens if the existing Losen Slote Pumping Station stops working during a flood event?
(This pump station is located downstream at the mouth of Losen Slote, adjacent to the Bergen County Utilities Authority)
A: The Losen Slote upstream of the tide gate would essentially fill up with water if the downstream pumping station stops working during a storm event. However, this existing pumping station has an emergency generator designed to operate the pumping station in the event of a power outage therefore it is unlikely that this pumping station would stop working during a storm event.
When will the Liberty Street Pumping Station turn on (activate)?
A: The Losen Slote flows within an underground pipe on the 15 Liberty Street property. The Pumping Station will turn on when the underground pipe is approximately three-quarters (¾) full. This underground pipe is a choke point in the conveyance system and is why the pumping station and force main (bypass) is needed to reduce flooding in the area.
Will the Pumping Station be loud when it operates?
A: No, the Pumping Station will not be loud. The emergency generator is the main noise-producing equipment associated with the pumping station. The generator would only operate in the event of a power loss during a storm event. There will be noise-attenuating features incorporated in the generator enclosure that are designed to meet Little Ferry and Federal Noise Ordinance criteria.
Discharge/Outfall at Birch Street into Losen Slote
Will this new outfall increase flooding in the area of Birch Street?
A: No. Modeling was conducted to demonstrate that the flows in Losen Slote would be no different than what is currently experienced at Birch Street. In fact, this modeling showed a minor decrease in water levels due to the removal of the existing decommissioned tide gate structure from Losen Slote.
Will this new outfall cause erosion in the area?
A: No. The discharge velocity of water from the force main will be reduced via an energy dissipation structure prior to discharge into Losen Slote. Reducing the discharge velocity of the stream means that there will be less energy available to cause erosion. Additional erosion protection in the stream is provided via a riprap/stone design.
Will the outfall be loud when it operates?
A: No. The flap gate will ease open or closed based on water flows.
Construction of the Liberty Street Pumping Station and Force Main Project
How long will you be in front of my house during construction?
A: The Force Main excavation and construction from Birch St, down Eckel Rd to Liberty St will be completed as a phased approach estimated to be completed by early 2025. Residents will experience different durations of construction in front of their homes based upon the work to be conducted. We estimate that the main construction work may take a few months but there may be other work required that may extend that time. There will be ongoing communication and we encourage you to sign up for the Projects’ listserv to get weekly project updates (https://bit.ly/RBDM-Weekly-Advisories). You may email or call to ask any specific questions at RBDM-LS-PSFM-inquiries@portal3.pbid.com and Hotline: 800-676-6458.
Will you be replacing the sidewalk and/or driveway apron if damaged?
A: Any disturbance including sidewalks or driveway aprons will be restored by the contractor by the end of the project.
When will you re-seed my lawn and replace plants and shrubs damaged and/or removed for construction?
A: If construction requires removal of lawn, plants and shrubs or they are damaged during construction, they will be restored by the contractor by the end of the project.
How loud is the construction?
A: Construction noise levels are variable. Construction techniques (i.e. helical piles) have been selected to reduce noise. Short duration noise levels are not allowed to exceed 90 dB. Noise monitors are placed near construction activities and are checked on a daily basis.
Will my garbage and recycling be picked up while you are under construction in front of my house?
A: Yes.
What is causing vibration?
A: Residents can expect vibration from H-Piles being driven into the ground at 15 Liberty Street. The helical piles being used for the Force Main construction generate less vibration. This construction technique was selected to minimize vibration. Residents near the Force Main construction will only experience vibration associated with installation of shoring boxes for subsurface support. This vibration will be of short duration.
Will vibration from construction equipment cause cracking in my house foundation?
A: Construction work is not expected to cause damage to foundations. If you are within 100-ft of construction, we offer a foundation inspection to document existing conditions. Construction techniques (i.e. helical piles) have been selected to reduce vibration.
We respectfully ask you to respond via email and schedule a time for our engineers to access your property to libertystreet@unionpaving.com.
When will my road be paved?
A: Residents can expect temporary paving after each segment of Force Main installation is completed and final curb to curb paving near the end of the project.
Will you be producing dust?
A: Construction activities may product dust. In accordance with the Dust Control Plan, the contractor uses a street sweeper to clean the road. The usage of water is used to minimize dust.
What if a big storm happens during construction and flooding occurs? What are your contingencies to ensure that construction debris and damage does not occur on my property?
A: All work equipment is secured at the end of every work period.
Will this affect my ability to park in front of my house?
A: Access for parking may potentially be impacted for a short period of time by the road opening necessary to install the force main. Stay up to date with construction updates by signing up to our weekly advisories: https://bit.ly/RBDM-Weekly-Advisories.
Who do I call if I can’t get to my house or if I have an issue (e.g., property damage)?
A: Access to all homes will be maintained at all times. However, it may be more convenient/beneficial to residents to have access to a back or side door, rather than the front door, for a period while construction activities are occurring in the immediate vicinity of your home. DEP set up a dedicated email address and telephone hotline to receive communications from residents regarding this project. Email: RBDM-LS-PSFM-inquiries@portal3.pbid.com & Hotline: 800-676-6458. A Construction Community Liaison (CCL) has been appointed to ensure that all inquiries are addressed in a timely manner. These details are available on the Little Ferry and DEP/Rebuild by Design Meadowlands websites. In addition, flyers with this information have been and will continue to be distributed to residents in the vicinity of construction.
Will I be informed before construction starts?
A: Notifications will be made no less than 30 days before the Contractor’s work starts in your area. Note that prior to construction, there will be utility work conducted in the area that is not overseen by the Contractor of this project. Stay up to date with construction updates by singing up to our weekly advisories: https://bit.ly/RBDM-Weekly-Advisories.
How long will it take to construct the pumping station/force main?
A: Construction of the Pumping Station will take approximately 2 years, while the force main construction is estimated to be completed by early 2025. The total construction period is 28 months.
Where can I get construction updates?
A: Construction updates are provided on the Little Ferry website, as well as the Rebuild by Design Meadowlands website. Email updates are available, via registration for a dedicated email list specific to the project. Anyone can sign up to receive updates on the Rebuild by Design Meadowlands website at https://bit.ly/RBDM-Weekly-Advisories.
Operations & Maintenance of the Liberty Street Pumping Station and Force Main Project
What happens if the Liberty Street Pumping Station stops working during a flood event?
A: This scenario is unlikely to occur. The Pumping Station will be equipped with an emergency generator that will operate the pumping station on natural gas in the event of power failure. The Pumping Station will also be equipped with three pumps, one of which is a spare. In the unlikely event that the Pumping Station stops working, flooding will occur as it does in existing conditions.
What happens if the existing Losen Slote Pumping Station located downstream near the Hackensack River stops working during a flood event?
A: This scenario is unlikely to occur. The Pumping Station is equipped with an emergency generator that will operate the pumping station in the event of power failure. In the unlikely event that the Pumping Station stops working during a storm event, flooding may occur.
When will the Liberty Street Pumping Station turn on (activate)?
A: The Losen Slote flows within an underground pipe on the 15 Liberty Street property. The Pumping Station will turn on when the underground pipe is approximately three-quarters (¾) full. This underground pipe is a choke point in the conveyance system and is why the pumping station and force main (bypass) is needed to reduce flooding in the area.
Will the Pumping Station be loud when it operates?
A: No, the Pumping Station will not be loud. The emergency generator is the main noise-producing equipment associated with the pumping station. The generator would only operate in the event of a power loss during a storm event. There will be noise-attenuating features incorporated in the generator enclosure that are designed to meet Little Ferry and Federal Noise Ordinance criteria.
Discharge/Outfall at Birch Street into Losen Slote
Will this new outfall increase flooding in the area of Birch Street?
A: No. Modeling was conducted to demonstrate that the flows in Losen Slote would be no different than what is currently experienced at Birch Street. In fact, this modeling showed a minor decrease in water levels due to the removal of the decommissioned tide gate structure from Losen Slote.
Will this new outfall cause erosion in the area?
A: No. The discharge velocity of water from the force main will be reduced via an energy dissipation structure prior to discharge into Losen Slote. Reducing the discharge velocity of the stream means that there will be less energy available to cause erosion. Additional erosion protection in the stream is provided via a riprap/stone design.
Will the outfall be loud when it operates?
A: No. The flap gate will ease open or closed based on water flows.
Operations & Maintenance of the Liberty Street Pumping Station and Force Main Project
Who will Operate and Maintain (O&M) the Liberty Street Pumping Station and Force Main project once it is constructed?
A: Little Ferry has agreed to operate and maintain the Pumping Station, Force Main and associated components.
Who will pay for O&M?
A: Little Ferry will bear the cost of operations and maintenance.
How much will O&M cost?
A: The cost of operations and maintenance will depend on the amount of rainfall, the Pumping Station’s usage, and the equipment ultimately purchased by the Contractor.
For additional information please reach out to our Community Communication Liaison
- Phone: 1-800-676-6458
- Email: RBDM-LS-PSFM-inquiries@portal3.pbid.com
Dennis Reinknecht, Director
Division of Resilience Engineering and Construction
44 S Clinton Ave
Trenton, NJ 08625
PH: 609-777-4152