Frequently Asked Questions

Choose from the any of the topics below to find quick answers to some of the most frequently asked questions about the NEXUS project.

NEXUS Project Overview

What is the NEXUS pipeline project?

Additional pipeline transportation infrastructure is needed in the upper U.S. Midwest and Ontario, Canada to support the growing demand for clean-burning natural gas. Another key driver of the project is to help offset the impact of the decline in traditional western Canadian supplies available to serve these markets. As such, the lead developers for Nexus Gas Transmission (NEXUS) have secured significant market interest in new natural gas supplies to provide increased energy diversity, security and reliability to the Ohio, Michigan, Chicago and Ontario markets. The natural gas pipeline study corridor under review originates in Ohio, extends to Michigan and ends in Ontario.

NEXUS is designed to deliver 1.5 billion cubic feet per day (Bcf/d) and will consist of a newly-constructed greenfield pipeline that will extend approximately 250 miles from receipt points in eastern Ohio to interconnects with the existing pipeline grid in southeastern Michigan. The NEXUS project will provide a seamless transportation path for emerging Appalachian shale gas supplies to Dawn, Ontario, by efficiently utilizing both existing and expansion capacity on the DTE Gas transportation system and the Vector Pipeline (Vector) System to access Chicago and the Dawn Hub. The project will help meet the growing environmental need for cleaner and more affordable fuels for power generation and for industrial and commercial customers, as well as home heating and domestic use.

Who are the lead developers of the NEXUS pipeline project?

DTE Energy is a Detroit, Michigan-based diversified energy company with natural gas and electric operations in all segments of the industry. For further information, visit DTE ENERGY.

Spectra Energy Partners, LP (NYSE: SEP), an Enbridge company, is a Houston-based master limited partnership.

Spectra Energy Partners is one of the largest MLPs in the United States and owns interests in pipeline and storage facilities that connect growing supply areas to high-demand markets for natural gas and crude oil.

When would the NEXUS pipeline be in service?


How does natural gas get to consumers? What is a natural gas interstate transmission pipeline?

From wellhead collection points, natural gas is processed to separate valuable components, like oil and natural gas liquids, from impurities, like water, carbon dioxide, and sulfur, which could cause pipeline corrosion.

Processed natural gas is pressurized and introduced into an interstate pipeline network for safe, reliable transport. Large underground steel pipes of up to 48 inches in diameter carry natural gas from processing facilities to consumers – often for thousands of miles. Natural gas is moved along by pressure, which also reduces the volume of the gas, so that it travels more efficiently. As the gas travels, friction and elevation differences gradually reduce the pressure, so compressor stations are staggered along the length of the pipeline to give the gas another “push” or “boost.”

The interstate natural gas pipeline network delivers natural gas directly to some large commercial and industrial consumers, like utilities. The remainder is delivered to local distribution companies which add odorant – to enhance detection of even small leaks – before transporting the gas through smaller distribution pipes, or “mains,” to millions of businesses and homes throughout the U.S. Natural gas companies can store natural gas underground so it can be used during periods of high demand.

The pipeline is built of high-strength carbon steel and is coated with fusion-bonded epoxy, a corrosion-resistant, nonconductive resin that forms a waterproof seal around the pipe. Coating on the entire pipeline is electronically inspected before the pipeline is placed in the ground.

The U.S. Department of Transportation (“USDOT”) regulates the safety of interstate pipelines and the Federal Energy Regulatory Commission (“FERC”) is the lead agency for the siting and construction of new and/or expanded interstate pipeline facilities.

While NEXUS is an interstate pipeline, other pipelines may be called “intrastate” pipelines. Intrastate natural gas pipelines operate within state borders and link natural gas producers to local markets and to the interstate pipeline network. Although an intrastate pipeline system is defined as one that operates totally within a state, an intrastate pipeline company may have operations in more than one state. As long as these operations are separate, that is, they do not physically interconnect, they are considered intrastate and are not jurisdictional to the FERC.

Operations and Safety

What are safety measures for this project?

NEXUS Gas Transmission is dedicated to the safe, reliable operation of facilities and the protection of employees, the public and the environment.

Natural gas pipelines monitor and control safety in many ways and use many different tools. Collectively, these tools make natural gas transmission pipelines one of the safest forms of energy transportation. NEXUS safety programs are designed to prevent pipeline failures, detect anomalies, perform repairs and often exceed regulatory requirements.

The U.S. Department of Transportation’s (“USDOT”) Pipeline and Hazardous Materials Safety Administration (“PHMSA”) oversees the safety of interstate natural gas pipelines and mandates minimum requirements, from the design and construction to testing, operations, maintenance and emergency response. The new pipeline will operate in strict accordance with all federal and state safety requirements.

NEXUS will work closely with local public safety officials to provide them with a thorough awareness of pipelines and pipeline safety.

Once the facilities are placed in service, NEXUS will implement operation procedures designed to monitor the pipeline 24 hours a day/7 days a week, and NEXUS maintains the facilities per applicable federal and state regulations.

To ensure our pipelines remain in safe and reliable operating condition, we employ a number of techniques – from high-tech monitoring at our gas control centers to foot patrols of pipeline right-of-ways.

Gas Control – Our high-tech computer control center is staffed 24-hours a day and monitors the flow of natural gas. As an added safety measure, remote control equipment is installed along the pipeline system, enabling us to operate valves remotely from gas control.

Gas Measurement – We precisely measure the quantity of natural gas along the pipeline as well as sample the natural gas at many sites to identify potential corrosive components.

Rectifiers and Cathodic Protection – Rectifiers transfer a regulated amount of current flow to the pipelines and receive electric current from AC sources like power lines. We check all rectifiers along the pipeline system every two months to ensure they are operating properly. Proper electric current flow along the surface of a pipeline impedes corrosive activity and prolongs the useful life of pipelines for many decades. The amount of electric current applied to the pipelines is harmless to humans, animals and plant life.

Above/Below Ground Coating Maintenance – Above and below ground pipeline facilities are protected by a coating that inhibits corrosion. Routine visual inspection of all above-ground facilities is conducted to determine if any coating damage or deterioration has occurred. During excavation or maintenance activities, we always inspect the coating for damage or deterioration.

Internal Pipe Cleaning – Our pipeline facilities are cleaned to minimize internal corrosion. Cleaning is conducted using devices called “pigs” that travel inside designated sections of the pipeline and remove liquids and debris from inside the pipe.

Inline Inspection – Inline inspections are performed with “smart pigs” which are mechanical tools that allow us to see the pipeline from the inside. These inline inspections can locate possible internal and external corrosion or other irregularities in the pipeline.

Ground Surveys – The pipeline right-of-way is patrolled in populated areas and some other areas of interest on foot and by vehicle. These ground surveys can reveal leaks and other potential issues.

Leak Surveys – We routinely perform leak surveys on all of our facilities. These leak surveys look for fugitive emissions of natural gas. Many miles of the pipeline are surveyed with ground surveying techniques and aerial patrols are also used.

Aerial Patrols – Company planes conduct aerial patrols of the pipeline right-of-ways at least once a week. The aerial patrol looks for ground changes, construction activities or other conditions that could affect the pipeline.

Waterway Inspections – Locations where the pipeline crosses waterways are inspected at the surface every year to check for bank erosion, visible pipeline exposure and natural gas leaks indicated by bubbles. Many waterway crossings are inspected at the bottom of the waterway each year by contract divers under our direction. These divers determine if the pipeline is adequately covered.

Right-of-Way Maintenance – Mowing and clearing the right-of-way allows us to patrol the area by ground and air to discover activity that could lead to pipeline damage. It also allows the company to easily discover leaks and natural earth movement that could damage the pipeline facilities.

Sign/Marker Maintenance – Markers and signs are posted along our pipeline right-of-ways to inform the public of the presence of the natural gas pipelines. The markers are placed at street and road crossings, railroad crossings and other significantly visible points along the right-of-way to reduce the possibility of damage to or interference with the pipeline.

In densely populated areas, we frequently place the markers within “line of sight” proximity – this means the markers are so close together that you can see from one marker to the next. Markers and signs include our name and the phone number to call if any abnormal condition or suspicious activity is detected that would threaten the integrity of the pipeline. In addition, 1 foot below natural grade, we install a bright yellow warning ribbon reflecting the location of the pipeline to notify potential excavators of the pipe’s location.

Pursuant to the Natural Gas Pipeline Safety Act, as amended, PHMSA has exclusive jurisdiction over the design and safety of interstate natural gas pipelines and its associated facilities. In addition, NEXUS will utilize specifications, standards and practices for the design, construction and operation of its facilities that meet or exceed these federal requirements. PHMSA routinely conducts inspections of pipeline construction, operation, maintenance and integrity management to verify that pipeline operators comply with pipeline safety regulations. Each year, PHMSA conducts inspections on pipeline facilities. These inspections are conducted for the following purposes:

Verify that procedures as written are compliant with regulations

Observe the operator and ensure that its procedures are being followed and validate this through documentation

Observe above ground pipeline and facility conditions

PHMSA has a number of enforcement options if it identifies safety concerns, finds noncompliance or if there is an incident. To learn more about pipeline safety and regulations, visit the PHMSA website.

What is your safety record?

Regulatory authorities, including the U.S. Department of Transportation (“DOT”), have established that natural gas transmission pipelines are the safest method of transporting energy products. The companies developing the NEXUS project have decades of collective experience in safely designing, planning, constructing, operating and maintaining a vast network of natural gas pipelines. Safety is our number one priority. Our dedication to continuously improve operational safety practices stems from a relentless focus on protecting the people within the communities where we operate, our employees and the environment. While we already have a strong safety record and implement rigorous safety practices, our goal is zero incidents. No incident is acceptable. When issues are identified, we work hard to quickly, safely and properly remedy the situation as well as learn from them in order to continuously improve.

What other maintenance activities does Spectra Energy Partners apply to its existing pipelines and will they be applied to NEXUS?

NEXUS’s parent company Spectra Energy Partners has gone well beyond the integrity management threshold required by PHMSA, starting with extremely demanding practices across its entire system, not just within the required ‘high consequence areas.’

Spectra Energy Partners' integrity management program also includes detailed risk analysis, integrity assessments that utilize in-line inspections and pressure testing, field investigations, scheduled maintenance, and ongoing evaluation, innovation and improvements.

Spectra Energy Partners has also implemented tremendous technological developments in a number of important areas, including the pipe manufacturing process, advanced detection tools, corrosion prevention, testing methods, in-line inspection and the implementation of remote control valves that enable immediate shutdown as needed.

Spectra Energy Partners is employing best practices and the most advanced safety precautions in the design, construction and operation of the NEXUS pipeline project, and Spectra Energy Partners representatives are engaging with regulatory agencies, elected officials and all interested parties to ensure all concerns and suggestions are addressed.

What is the maximum operating pressure for the natural gas that would be traveling through the NEXUS pipeline project?

The NEXUS pipeline has a maximum allowable operating pressure (“MAOP”) of 1440.

Can the pipeline be buried more than the required 3 feet for safety and to lessen the chance of accidentally cutting into the pipeline?

The pipeline will be buried a minimum of 3 feet (36″), per NEXUS standards, beneath the ground surface (measured to the top of the pipeline). The burial depth of the pipeline in cultivated fields will be determined during discussions with the landowner/tenant farmer to ensure the pipeline will be operated safely and will not hinder farming activities.

Will the gas company be responsible for maintaining and covering any erosion that may occur over the pipeline to ensure that the pipe line remains at the maximum required depth?

NEXUS will maintain the right-of-way. Once the pipeline becomes operational, the company will manage a thorough inspection schedule.

During the construction phase of the project, should an incident arise, what type of planning will be in place, and can you assure that an effective emergency response will be handled?

Prior to construction, NEXUS will coordinate its construction activities for road crossings and emergency response with the affected counties and municipalities. Additionally, the construction contractor is required to file an Emergency Response Plan with NEXUS that details the locations of hospitals, helicopter landing zones, emergency responder contacts, emergency vehicle ingress and egress routes, etc. At the construction site, there will be personnel trained to handle emergencies on site to the best of their ability. Adequate first-aid kits will always be on site.

Who will protect the public from unauthorized digging and construction practices?

Prior to construction, NEXUS will coordinate its construction activities for road crossings and emergency response with the affected counties and municipalities. Additionally, the construction contractor is required to file an Emergency Response Plan with NEXUS that details the locations of hospitals, helicopter landing zones, emergency responder contacts, emergency vehicle ingress and egress routes, etc. At the construction site, there will be personnel trained to handle emergencies on site to the best of their ability. Adequate first-aid kits will always be on site.

How often is NEXUS going to have to dig up the pipeline to inspect it; will this be a risk to area residents?

During the construction phase all inspections occur in advance of the pipeline being buried. Once the pipeline is placed in-service, it is not typically necessary to excavate the pipeline for inspection; therefore, there will be no impact to residents. In-service inspection is performed using an inline inspection tool investigating the pipeline from the inside. Should any excavation occur, NEXUS will contact the surrounding landowners and advise them in advance of any excavation taking place and address any concerns. Once the excavation occurs, NEXUS will restore the area.

What is the potential for pipeline failure caused by negligence, third-party damage, terrorism or an act of God?

There is always certain level of inherent risk in our daily activities as a society; however, NEXUS recognizes and strongly believes that safety and the well-being of the citizens of the communities where we live and operate is of the utmost importance. As a result, the potential risks must be identified and mitigated. The likelihood that there would be a failure in the project pipeline as a result of negligence on the part of NEXUS third-party damage, terrorism or an act of God are very minimal and no greater than the risks residents along the route are exposed to in their daily lives.

Nonetheless, to provide effective mitigation of these risks Spectra Energy Partners incorporates multiple safeguards into the construction, operation and maintenance activities associated with our natural gas transmission pipeline system.

What security systems do you have in place for the NEXUS pipeline once it has been built?

NEXUS will participate proactively with various activities in close collaboration with the U.S. Department of Homeland Security’s Transportation Safety Administration (“TSA”) and key industry groups in the area of security.

Some of the key highlights are listed below:

Comply with the TSA’s Pipeline Security Division’s Security Guidelines, which are also known as smart practices.

Comply with the new guidelines once they are published.

Participate in monthly intelligence meetings both with Department of Homeland Security’s Intelligence Program, and also with TSA’s Pipeline Security Division’s monthly update conference calls.

Attend classified briefings with Department of Homeland Security for the industry, annually and as-needed.

Participate in TSA’s 1-STEP Program which conducts extensive, robust, tabletop crisis management drills. NEXUS’s parent company was the first natural gas pipeline company to participate in the 1-STEP Program. Its scenario was a VBIED (Vehicle Borne Improvised Explosive Device) at metering and regulating Station 058. The parent company has received high marks from TSA for its performance. The company also has a Chair on the Interstate Natural Gas Association of America Security Committee and participates in the American Gas Association Security Committee, as well as the Oil and Natural Gas Sector Coordinating Council’s Pipeline Working Group. All of these activities allow frequent coordination with Department of Homeland Security/TSA.

Participate in the production of a new video, sponsored by TSA, aimed at training law enforcement officers to respond to security events at pipeline facilities Participate, annually, in TSA’s International Pipeline Security Forum.

Report every suspicious incident to the Transportation Security Operations Center, which is an arm of TSA.

Conduct major crisis management drills, at least annually, within the company.

What is the potential for gas leaks?

The potential for gas leaks is very minimal. The project pipeline and associated aboveground facilities will be designed, constructed, maintained and operated to meet or exceed the safety requirements exclusively governed by the USDOT. Pipelines and related facilities are designed and maintained with strict adherence to USDOT standards to ensure public safety, and reliability, and to minimize the opportunity for system failure or leaks. NEXUS will conduct leak detection surveys along its pipeline systems at prescribed intervals to ensure that the pipeline is leak free, as required by the USDOT. NEXUS will also periodically conduct additional surveys to identify any anomalies on its pipelines.

Pipe material is both strong and ductile and the wall thickness for the project facilities will meet or exceed USDOT standards. Each piece of pipe is welded together and each weld is carefully x-rayed to detect any flaws. The entire pipeline is coated with corrosion resistant fusion bonded epoxy to prevent corrosion. The coating material is protected by a technology called cathodic protection. The cathodic protection system impresses a low voltage current to the pipeline to off-set natural soil and groundwater corrosion potential. The functional capability of cathodic protection systems are inspected frequently to ensure proper operating conditions for corrosion mitigation.


The pipeline is pressurized with water to a pressure that is much higher than the operating pressure to verify the pipeline integrity. Prior to placing the pipeline in service, NEXUS operating personnel will patrol the entire pipeline looking for any issues or concerns. While the pipeline is in service, it will be patrolled by operating personnel at least three times a week which exceeds the regulatory requirement.

The project’s pipeline facilities will be equipped with Remote Control Valves. This safety feature allows the valves to be operated remotely by Gas Control in the event of an emergency, usually evidenced by a sudden loss of pressure on the pipeline. Remotely closing the valve allows any leaking or damaged section of the pipeline to be isolated from the rest of the pipeline system. Gas Control also continuously monitors the pressure of the pipeline every few minutes, 24 hours a day/365 days a year, and sends operations personnel to investigate should a change in the pressure be experienced.

How will NEXUS proactively ensure third parties do not damage the pipeline, since that is the most likely possibility for an explosion?

Safeguards will be put in place to mitigate any potential damages caused by the negligence of third-parties excavating close to the vicinity of the proposed pipeline. These safeguards include the notification requirements of the One-Call System, the various types of markers and signage that NEXUS’s parent company Spectra Energy Partners uses to indicate the location of our pipeline, the patrol of the pipeline at a frequency exceeding requirements mandated by the regulations as well as the toughness of our pipe material. Additionally, if there is excavation occurring near a Spectra Energy Partners' pipeline, Spectra Energy Partners operational personnel will remain on site during the work near the pipeline to ensure there is no risk of damage to Spectra Energy Partners’ facilities. Spectra Energy Partners also has a very proactive outreach program which includes, but is not limited to local meetings and mail-outs to ensure that the public is aware of our presence.

What guarantee of safety do residents have given the past industry incidents?

To better quantify past pipeline incidents it is important to understand the different types of products or substances that are transported within a pipeline, how that pipeline is regulated, as well as its intended operating function.

Pipelines are used to transport a variety of different types of products through a pipe. However the most common use is for liquids and gases. For the energy sector, a pipeline can be used to transport crude oil, refined products or natural gas. Each of these types of pipelines are subject to differing regulatory requirements and regulating agencies.

The statistics on pipeline incidents and consequences are often lumped into one generic “pipeline” category so it is important to compare apples to apples when assessing the risk for an individual type of pipeline.

Based on operating function, there are also different types of pipelines, including gathering, transporting and distributing:

Gathering Pipelines – are a group of smaller interconnected pipelines forming complex networks with the purpose of bringing crude oil or natural gas from several nearby wells to a treatment plant or processing facility. In this group, pipelines are usually short – a couple of hundred meters – and with small diameters. Also sub-sea pipelines for collecting product from deepwater production platforms are considered gathering systems. These facilities are typically regulated by the individual state agencies governing gas and electric utilities and by the Bureau of Ocean Energy Management Regulation and Enforcement (formerly, the U.S. Minerals Management Service).

Transmission Pipelines – are mainly long pipes with large diameters, moving products between cities, countries and even continents. These transportation networks include several compressor stations in gas lines or pump stations for crude and multi-products pipelines. These facilities are typically regulated by FERC and USDOT.

Distribution Pipelines – are composed of several interconnected pipelines with small diameters, used to take the products to the final consumer, including feeder lines to distribute gas to homes and businesses downstream. Pipelines at terminals for distributing products to tanks and storage facilities are also included in this group. These facilities are typically regulated by the individual state agencies governing gas and electric utilities.

NEXUS’s parent company Spectra Energy Partners operates interstate natural gas transmission pipelines. Interstate natural gas pipelines are typically long, large diameter pipelines that cross state and international boundaries to transport and deliver products. Intrastate pipelines are typically smaller diameter pipelines that provide product deliveries within an individual state’s borders.

As noted above, Spectra Energy Partners employs multiple safeguards from design to operation and maintenance to ensure incidents do not occur on our transmission pipeline system. There also have been a number of changes in regulations, technology, and procedures:

Changes in regulations:

Mandatory State One Call Systems:

National One Call Program

Damage Prevention Program requirements.

Integrity management programs requiring threat evaluation, risk mitigation, periodic inspection and improved pipeline marking.

Improvements in technology:

Greatly improved technology in properties of pipe developed to prevent puncture and crack propagation.

Enhanced In Line Inspection (“ILI”) technology to detect damage.

Improvements in procedures:

Active Participant in State and National One Call System.

Spectra Energy Partners’ Representatives respond to one call requests and remain present during all third-party excavation around the pipeline.

Pipeline patrolled at a frequency that significantly exceeds USDOT requirements.

Spectra Energy Partners’ Standard Operating Procedures (“SOPs”) and Operations and

Maintenance (“O&M”) Plan actively manage risks and meet/exceed USDOT requirements.

Cathodic Protection Systems utilized to protect pipelines from external corrosion.

ILI program identifies metal loss and dents in the pipe that require repair and validates effectiveness of cathodic protection systems.

Extensive Public Awareness and Industrial Liaison Program, including the yearly mailing to inform the public about pipelines in the area.

Remote Control Valves (“RCVs”) used extensively in heavily populated areas to facilitate rapid response.

Spectra Energy Partners monitors the pipeline systems at its gas control center, which is staffed 365 days a year, 24 hours a day, 7 days a week.

Will Spectra Energy Partners have emergency plans to respond to an incident/disaster involving the pipeline?

Natural gas pipeline operators are required by PHMSA to develop emergency response plans designed to minimize the consequences of a pipeline failure. Operators must also educate local emergency responders on a periodic basis, and have public awareness requirements for informing those living near a pipeline.

NEXUS operating personnel will develop, maintain and implement emergency response plans. NEXUS will work closely with local, state and federal agencies to ensure our pipelines meet or exceed regulatory requirements for safety. NEXUS will also communicate regularly with members of the public who live or work near our pipelines, and we will collaborate with organizations that share our dedication to pipeline safety and public awareness. Periodically, NEXUS employees and local emergency response personnel will come together for emergency drills to test staff readiness and identify improvement opportunities.

What kind of relationship will you have with local emergency responders?

As part of our public awareness program, and in accordance with USDOT regulations, NEXUS will establish a working relationship early on with emergency responders to ensure effective communication, education, and training.


How do I contact a NEXUS representative about my property?

For general information and inquiries about how this may involve your property, please contact us any time at 1-844-589-3655.

What is a stakeholder? Is that different from a landowner?

NEXUS identifies any person, group or organization with interest in or concern regarding the NEXUS project as a “stakeholder.” Stakeholders could be landowners, public officials, community members or organizations, environmental agencies and interested parties, local business owners, contractors, etc.

Will the NEXUS pipeline negatively affect the value of my property?

The Federal Energy Regulatory Commission (FERC), the lead federal agency on the construction of pipelines, researched pipelines effect on property values and reported the results in an Environmental Impact Statement issued in October, 2014 (FERC Docket No. CP13-499-000, pages 4-152 to 4-156). The Environmental Impact Statement found that there was no pipeline-related impact on property value.

Will there be public meetings? What are open houses?

The purpose of the open houses hosted by NEXUS is to provide stakeholders with the opportunity to learn more about the project and to ask questions on specific issues and/or concerns with subject matter experts. It is also an opportunity for NEXUS to listen and understand the issues and/or concerns stakeholders may have on the project, including the proposed project route.

The open house format allows for more one-on-one engagement; thereby ensuring a wide variety of questions specific to a particular landowner can be answered. Additionally, this setting allows for all stakeholders to be comfortable asking their questions in a casual manner.

This format has been effectively utilized for multiple interstate pipeline projects. NEXUS is also open to participating in other community updates, such as county commission meetings, where a formal presentation can be given by NEXUS leadership.

As the project continues, other meetings will be scheduled to provide updates and seek input from the communities.

What kind of input will affected stakeholders have regarding the interstate pipeline project?

NEXUS will continue to communicate with public officials, permitting agencies and area stakeholders during the initial development process and will maintain open lines of communication throughout the project’s development. Landowners and other stakeholders will have multiple opportunities to provide input on the project during the permitting process.

NEXUS has been in contact with property owners since August 2014. The project will host a series of local landowner informational meetings and public open houses for area residents to learn more about the project and ask questions directly to NEXUS officials.

There are also multiple opportunities for stakeholders to discuss and provide feedback on the project through the Federal Energy Regulatory Commission (FERC) process.

You may participate in the process by:

Docket number PF15-10-000.

You may send written comments to FERC at:

Kimberly D. Bose, Secretary

Federal Energy Regulatory Commission

888 First Street, NE, Room 1A

Washington, DC 20426


You may send electronic comments to FERC by using their eComment system at:

Landowners and stakeholders can also contact the toll free hotline anytime with questions or concerns at 1-844-589-3655.

What kind of interactions will NEXUS have with affected property owners and other stakeholders when addressing pipeline questions?

The project’s experienced development team is committed to a comprehensive consultation and ongoing communications with stakeholders to develop a viable pipeline route that lessens impacts to landowners and the environment, and meets or exceeds customer needs, constructability requirements and safety regulations. This process involves evaluating various routes and study corridors. Whenever possible, NEXUS tries to locate the study corridor adjacent to existing utility corridors – either electric transmission lines or underground pipelines.

NEXUS continues to discuss the project directly with each landowner. The survey activities (engineering, environmental and cultural resources) help NEXUS obtain the necessary field data to further assess the pipeline alignments and address individual landowner concerns. These activities will be performed in a minimal amount of time and should not inconvenience any landowner.

NEXUS is also mindful of landowners’ time; and, to that end, agents attempt to contact landowners during business hours, and will restrict calling times as requested by the landowners.

As an Interstate Natural Gas Association of America (INGAA) member company, we believe that each company employee and representative is an ambassador for our industry, as well as our company, and we strive to train our representatives to interact positively and productively with landowners and other stakeholders.

What maps are available to the public?

Regulatory Oversight

Who authorizes the construction of the NEXUS interstate pipeline and what kind of regulatory oversight will the project development have?

The NEXUS Project will obtain necessary regulatory authorizations from the Federal Energy Regulatory Commission (FERC), the federal agency with primary jurisdiction over U.S. interstate natural gas pipeline projects. NEXUS engaged FERC during the fourth quarter of 2014 to initiate the pre-filing process which facilitated early public consultation and involvement in evaluating the proposed NEXUS project facilities prior to submitting the formal application on November 20, 2015. Once the FERC application was filed, the agency’s formal environmental review of the Project began. During this period, FERC evaluated all potential environmental impacts, as well as the company’s plans to address and minimize those impacts.

On November 30, 2016, FERC issued a Final Environmental Impact Statement (“FEIS”) for the project. The FEIS concluded that while construction will temporarily affect the environment, the environmental impacts would be less than significant in light of the project’s proposed mitigation and other mitigation measures recommended by FERC Environmental Staff. With the issuance of the FEIS, the Project moved to the next milestone in the regulatory process which is the FERC Commissioners’ decision to issue a Certificate of Public Convenience and Necessity.

Through the formal review process, FERC and the permitting processes of other federal and state agencies allow interested stakeholders multiple opportunities to comment on the proposed pipeline project. The Project has been assigned docket number CP16-22-000. The docket can be accessed through the FERC website,, using the “eLibrary” link and entering the project’s docket number.

Who authorizes the operation of the NEXUS interstate pipeline once it is placed in service?

Because the pipeline is an interstate line, it will be regulated by the U.S. Department of Transportation (DOT) Office of Pipeline Safety. DOT’s technical specifications and requirements that apply to construction, installation and operation of pipelines will be met or exceeded.

What other agencies require permitting prior to construction of NEXUS?

In addition to its FERC certificate application, NEXUS will seek review from numerous other federal and state agencies, including, the U.S. Army Corps of Engineers, U.S. Fish and Wildlife Service, state departments of environmental protection, as well as other state and local agencies.

What is the regulatory schedule and process of the NEXUS project?

NEXUS has been evaluating proposed routes, design and construction methods and potential impacts on community members and the environment since August 2014. More than 2 years of discussions, surveys, studies, permitting and planning, has developed a balanced plan for the route, construction techniques, and measures to avoid, minimize or mitigate impacts.

On November 30th, NEXUS reached a critical milestone when the Federal Energy Regulatory Commission (“FERC”) issued a timely Final Environmental Impact Statement (“FEIS”) for the project. The issuance of the FEIS leaves the project ripe for action by the Commission. The reord supporting the FEIS and application is complete and ready for prompt FERC approval once a quorum is restored.

Right of Way

What is a right of way?

The permanent right of way, as defined in the Grant of Easement, is typically 50-feet wide. The access to the permanent right of way is limited to the existing public ways and any private access roads identified and acquired for the project.

How do I contact NEXUS about my land?

For general information and inquiries about how this may involve your property, please contact us at any time at 1-844-589-3655.

What is the role of my assigned right of way agent and what issues can they help address?

Right of way and land department personnel, also known as right of way agents or land agents, are trained professionals and are involved in most aspects of a project’s development – from the initial project plan through construction and into operations. As the need for clean-burning natural gas grows and new projects are explored, right-of-way agents assist in the development of new pipeline facilities and the expansion of existing facilities.

Working closely with landowners and project personnel, right of way agents work to ensure that all activities – from route selection to construction and restoration – minimize impacts and disruptions to individual properties, communities and the environment. To help develop new projects, right-of-way agents:

Identify landowners from local property records along the proposed corridor

Notify landowners of a proposed project

Meet with landowners to explain the details of the project, the process for acquiring right-of-way and potential impacts along the proposed pipeline route

Identify specific concerns landowners may have with the proposed route and facilities

Work with landowners, project engineers and environmental specialists to address these concerns

Arrange meetings to begin negotiations for the necessary right of ways (easements)

Does NEXUS have the right to survey my land without my permission?

NEXUS makes every effort to communicate, work with, and seek input from each and every landowner. We take our landowner and stakeholder engagements very seriously and our goal is to reach a mutually agreeable result with all parties. Our efforts to obtain permission to enter properties for survey are a part of our practice of encouraging a collaborative approach in order to obtain important information concerning the possible locations for the pipeline and to minimize impacts to property and environmental resources when and where possible. Many states have existing laws allowing access for the limited purpose of survey. Providing access to the property to conduct these necessary surveys does not authorize NEXUS to build a pipeline on the property and will not be used by NEXUS at anytime to imply that the landowner supports or agrees with the project. NEXUS will continue to work with each landowner in hopes of reaching agreement regarding these surveys and will remain open to considering reasonable conditions that may be specific to each parcel.

What kind of negotiations will NEXUS engage in to secure permanent easement rights and what does that mean for landowners?

Before beginning negotiations for new permanent easement rights, NEXUS retains the services of an independent real estate appraiser who has professional qualifications and is familiar with the project area. The appraiser will develop a market study of land values based on recent sales in the communities where we propose a new or expanded pipeline route.

Based upon the appraiser’s market study, as well as other factors, NEXUS will determine the value (or compensation) for the necessary permanent and temporary easement rights.

If permanent and/or temporary easement rights are necessary, a right-of-way agent will review the calculated values with the landowner in an effort to purchase the Grant of Easement and reach an agreement for compensation. After an agreement is reached on the amount of compensation and the language of the Grant of Easement, the easement agreement is executed and a check is issued by the right-of-way agent to the landowner.

What kind of compensation will landowners receive in return for use of their property?

NEXUS will compensate each landowner fairly for two different aspects relative to the property:


NEXUS will pay fair market value for the rights and interest being acquired as it crosses the landowner’s property. NEXUS also will pay a rental value for any additional land rights required on a temporary basis for use during construction.


In accordance with the provisions contained in the easement or related agreements, NEXUS will pay for damages to any structures, landscaping or decorative trees directly impacted by the construction of the facilities. NEXUS will repair items, such as drain tiles, fences, streets, roads and driveways, and will restore the property as near as practicable to its pre-construction contours.

If future maintenance activities are required on the easement, NEXUS will compensate the landowners for damages associated with that activity.

Who retains ownership of the property according to the permanent easement agreement?

The permanent easement agreement will give NEXUS certain rights to construct, maintain and operate the pipeline, but the landowner will actually retain the ownership of the land covered by the easement. In most cases, the landowner’s use of the land within the easement area, with certain limitations, will remain the same as before construction. If the property is sold, the rights and responsibilities under the easement will stay with the property under the new owner.

Temporary easement rights, obtained for construction purposes, typically will expire once the temporary workspace is re-established and stabilized consistent with the FERC approval. Upon expiration of these rights, the landowner will resume full use and ownership of the land.

Will NEXUS make use of “eminent domain” when negotiating an agreement with landowners?

Please be assured that NEXUS does not and will not use the eminent domain authority as a negotiating tool. We will only exercise that right as a means of last resort.

NEXUS begins each and every easement negotiation with the expectation that a mutual agreement can be reached with the landowner. In the unlikely event that NEXUS cannot reach an agreement with a landowner and must obtain the easement interests through the eminent domain process, a court will determine the appropriate compensation in a valuation proceeding. For further information, please refer to the FERC brochure “An Interstate Natural Gas Facility on My Land? What Do I Need to Know?” which can be found on the FERC’s website at

Route Evaluation

What is the “study corridor” for the NEXUS pipeline project?

Study corridors are established along the proposed pipeline route to determine the best possible locations for the pipeline facilities and potential workspace areas. The initial study corridor will be approximately 600 feet wide, which would allow future pipeline route refinements as necessary to incorporate landowner, environmental and construction related concerns. Once field evaluations are complete, the pipeline corridor will be reduced to a much narrower width that would be necessary to construct the pipeline. Typically, this is approximately 100 feet for construction and the permanent easement is approximately 50 feet.

How are landowners notified if their property is affected?

The right-of-way and land department is responsible for developing and maintaining relationships with landowners near NEXUS Gas Transmission’s pipeline facilities. These personnel, called right-of-way agents or land agents, are trained professionals and are involved in most aspects of a project’s development − from the initial project plan through construction and into operations. Representatives collect and evaluate information necessary to determine the pipeline path. As part of that effort, landowners whose property is within the initial study corridor will be contacted for permission to perform survey activities on their property in connection with a proposed project.

What can I expect to happen during a survey on my property?

Surveys are necessary to obtain field data to assess pipeline alignments for constructability and environmental impacts and to address individual landowner concerns. These activities are planned only along the portion of your property within the study corridor. Prior to survey activities, the appropriate municipal officials will be informed of the surveys and the surveys will be performed in a minimal amount of time with the goal of little to no inconvenience to affected landowners.

Representatives of NEXUS will perform required civil, environmental and cultural resource surveys to thoroughly evaluate the proposed pipeline path to ensure the least overall environmental and landowner impacts, while balancing constructability concerns. The civil survey involves approximately four to five representatives, intermittently placing wooden stakes along a portion of each property to delineate the area described as the “study corridor.” Depending upon the length of the proposed study corridor on the property to be surveyed, this activity should take no longer than two days for each property that will be surveyed.

An environmental survey involves approximately two to three representatives walking within the study corridor, which will be clearly staked, to identify and delineate any vegetative and geological indicators of wetland areas that may be present on the property. The wetlands boundaries will be marked with small colored flags. NEXUS representatives will also look for the presence of any threatened or endangered species, if a suspected habitat is within the staked area. Depending on the length of the proposed route of the pipeline on the property being surveyed, this activity should take no longer than three days for each property that will be surveyed. The cultural resources survey involves two to four representatives walking within the staked study corridor to identify any indicators of potential archaeological resources. If such a site is suspected, then the archaeologists would return to that location with spade shovels and perform a limited excavation of the test hole that would measure approximately 2×2 feet square and approximately 2-3 feet deep. Any area that is excavated for this type of survey will be restored to its preexisting condition. Depending on the length of the proposed route of the pipeline on the property being surveyed, the archaeological walkover will take less than one day. If a limited archaeological excavation is necessary, it should take no longer than two days, weather permitting.

During the survey activities, it is possible that NEXUS personnel may need to re-visit a property several times to complete the surveys. This could be due to inclement weather or because one or more species of a significant plant or animal has been identified. There are specific criteria, methods and timing that have been developed with the appropriate agencies. NEXUS follows these specific guidelines for gathering data on each identified species. In addition, cultural surveys may identify further survey work that needs to be performed.

Do these right-of-way agents need my permission to survey?

NEXUS makes every effort to communicate, work with, and seek input from each and every landowner. Our efforts to obtain permission to enter properties for survey are a part of our practice of encouraging a collaborative approach in order to obtain important information concerning the possible locations for the pipeline and to minimize impacts to property and environmental resources when and where possible. Many states have existing laws allowing access for the limited purpose of survey. Providing access to the property to conduct these necessary surveys does not authorize NEXUS to build a pipeline on the property and will not be used by NEXUS at anytime to imply that the landowner supports or agrees with the project.

What if I have questions as the survey is being conducted on my property?

Because it is important to us that all landowners understand the proposed features of the pipeline and overall project, our right-of-way agents will be available to meet with individual landowners while the surveys are taking place. All survey work will be performed during reasonable daylight hours only and all work will be performed by authorized professional surveyors and their crews.

If my land is surveyed, does this mean the pipeline will be constructed on my property?

NEXUS is required to perform surveys in order to fully understand the study corridor’s attributes and to determine the optimal location for the pipeline. These surveys are also necessary to obtain important information for the federal and state agencies that will be reviewing the environmental impacts of the proposed projects. During the survey process, NEXUS will continue to meet with landowners, agencies and other stakeholders to discuss the project and to seek input on the proposed routing. Providing access to the property to conduct these necessary surveys does not authorize NEXUS to build a pipeline on the property and will not be used by NEXUS at any time to imply that the landowner supports or agrees with the project proposal.

What kind of interactions will NEXUS have with affected stakeholders when addressing the proposed pipeline alignments?

Different companies take different approaches with engagement and communications with the affected public. NEXUS takes a collaborative approach. We communicate early and often about our project activities to build positive relationships and long-lasting partnerships with all those we come in contact. NEXUS’s experienced project development teams are committed to an open and ongoing communications process with stakeholders to develop a viable pipeline route that mitigates impacts to landowners and the environment and meets or exceeds customer needs, constructability requirements and safety regulations. Everyone will have multiple opportunities to interact and engage with the project team, as well as participate in the appropriate regulatory processes.

What sort of environmental impacts will these surveys have locally and regionally?

NEXUS is committed to protecting the environment. While NEXUS certainly does not anticipate any damages to result from these surveys, please be assured that you will be compensated if any damages to your property or crops occur that may be directly caused by these activities.


What does construction of a gas transmission pipeline entail?

Whether your property already has a pipeline where maintenance work is necessary or you have been in communications/negotiations with us to build a pipeline across your property, you can count on NEXUS to always respect your property and minimize disruption to the degree possible.

We will exercise care and diligence throughout the construction process. And we will communicate openly and regularly so that you and other landowners know what to expect and fully understand the construction process and related safeguards we employ.

NEXUS representatives will notify affected landowners well before construction begins, and our inspection team will closely monitor all activities to ensure that the terms of our easement (see Right-of-Way Easement Notification, Negotiations and Acquisition document) and agreed upon restrictions are adhered to.

A NEXUS Right-of-Way Agent will be readily available on short notice to address any construction questions or concerns landowners may have. The Right-of-Way Agent will be responsible for following up on these questions and concerns and will respond to inquiries within 48 hours.

Landowners may call our toll-free, 24-hour information hot line to advise us of any construction or environmental related issues – and we will make every effort to resolve any issues as soon as practicable.

Generally, a width of 100 feet of work area will be required for construction of the pipeline. This includes both the permanent right-of-way and temporary workspace. Additional workspace may also be necessary. In certain circumstances, the workspace may be narrowed or expanded for short distances.

Some disruption to property is unavoidable during construction, and certain damages may result. In all such cases, each landowner will be fairly compensated for any damages.

What are the construction procedures to be followed?

Below, please find the construction procedures that are followed:


Once the individual pipe joints are bent to fit the trench, they are welded together. The welding is highly controlled and performed by qualified welders using approved welding procedures. Each weld made on the pipeline is visually inspected and radiographs or ultrasonic images by way of x-ray are processed on-site to ensure the integrity of every weld. COATING Specialized epoxy coating is applied to each of the weld joint areas after the radiographic inspection is complete and the weld has been approved. The coating on the entire pipe section is electronically checked to ensure satisfaction. HYDROSTATIC TESTING As various long sections are completed and backfilled, they are filled with water and pressurized to a point one and a half times higher than the maximum pressure at which the pipe will be allowed to operate. This test pressure is held for a minimum of eight continuous hours. CLEANUP & RESTORATION Restoration begins as soon as the pipe is backfilled and continues until the construction work area is fully restored as close as possible to its original state. Temporary workspaces will be allowed to return to their previous state.

How long will construction take?

A project of this scope would typically take 7-10 months to complete. The construction of each segment of the pipeline will vary but typically the majority of the work will be conducted in discrete areas over a period of 4 to 8 weeks. This duration will vary based upon features that are being crossed at each location. There will be some areas where construction will take longer based upon construction techniques and existing conditions, such as in areas where the HDD method (defined below) will be utilized. NEXUS will work with each specific landowner along the route to help define the extent of construction on the landowner’s property.

What methods would NEXUS employ to cross rivers and streams during construction?

There are four basic methods for crossing bodies of water. The techniques for each are site-specific:


The open-cut wet-ditch method consists of digging an open trench in the stream bottom, laying the prefabricated length of pipe necessary to reach bank to bank and then backfilling.


The open-cut dry-ditch method uses flume pipe(s) to direct the stream through the disturbed area, which allows trenching to be done in drier conditions. Small sandbag dams are constructed both upstream and downstream around the work area across the stream channel. Stream flow is then diverted through the flume pipe, allowing the excavation to occur in the dry, under the flume pipe.


The pump-around method can act as a substitute to the open-cut dry-ditch method of construction. It may be employed on small, low-flow streams where the dry-ditch method cannot be employed because of site-specific conditions. In application, small sandbag dams are constructed both upstream and downstream around the work area across the stream channel. Stream flow is then diverted around the work area using pumps and hoses.


Installation of a pipeline by HDD is generally accomplished in three stages:

The first stage consists of directionally drilling a small diameter pilot hole along a designed directional path. The path of the drilling string is tracked and directed using surface monitoring systems. The surface monitoring system determines the location of the drill bit in the hole by taking measurements from a grid or point on the surface. This allows the operator to follow the designed directional path. The second stage involves enlarging the pilot hole to a diameter that will accommodate the pipeline. The enlargement process involves the use of hydraulic cutting with drill bits and jet nozzles and hydraulic motors (also called “mud motors”) used to cut harder soils. It can take several passes to enlarge the hole to the required diameter, which is typically 12 inches larger than the pipeline being installed. The third stage begins once the pilot hole is enlarged to the correct size. The section of pipe, prepared in advance, is pulled back through the hole using the horizontal-directional drilling unit.

What methods will NEXUS use to construct the pipeline in agricultural areas?

We recognize the value of agricultural areas, and NEXUS will work diligently with each landowner/tenant farmer to determine any construction requirements specific to each tract of land.

NEXUS will install its pipeline with at least 3 feet of cover over the pipeline in accordance with their specifications. In agricultural areas, NEXUS will install the pipeline at greater depths to allow the continued use of the field consistent with the needs of the landowner.

Our common practices for pipeline construction in agricultural areas include:

Working closely with farmers, Natural Resources Conservation Service and local agricultural extension organizations

Consideration of the types of tilling practices currently utilized

Performing top soil segregation during construction which includes restoration and decompaction in order to return the area to pre-construction conditions

Location and avoidance of irrigation pipes, water, drain tiles, and electrical

Assisting landowners/tenant farmers with livestock management during construction

Performing typical pest and noxious weed control to insure that the area disturbed by construction is the same as the surrounding area

If my property is ultimately affected by the pipeline, what kind of activity should I expect in preparation for construction?

NEXUS representatives will notify affected landowners well before construction begins, and the inspection team will closely monitor all activities to ensure that the terms of the easement and agreed upon restrictions are adhered to.

What kind of workspace will NEXUS require?

Generally, a width of 100 feet of work area will be required for construction of the pipeline. This includes both the permanent right-of-way and temporary workspace. Additional workspace may also be necessary. In certain circumstances, the workspace may be narrowed or expanded for short distances.

What is a temporary work space in the context of this project?

When the pipeline is constructed or expanded, temporary workspace will be needed adjacent to and along the permanent right-of-way. The width of the temporary workspace will vary depending upon the local topography and/or sensitive resource areas in the vicinity of the construction. In certain areas, additional temporary workspace may be required to create safe working environments or to accommodate special crossing techniques required by permit conditions.

These areas may include rocky or sloping terrain, as well as street, road, stream, railroad or wetland crossings. NEXUS will work with each landowner who is directly affected by the proposed construction to negotiate fair compensation for the permanent right-of-way and temporary workspace.

Is there a possibility of damages to my property during construction and how will these damages be addressed?

Some disruption to property is unavoidable during construction and certain damages may result. In all such cases, each landowner will be fairly compensated for any damages.

How will NEXUS work to identify structures and minimize any impact on these?

Early on, it is very important to identify to NEXUS any structures to ensure they are not impacted by construction. In certain areas, blasting is necessary to create the trench. All blasting will be performed by registered licensed blasters, in accordance with all appropriate state and local approvals, and monitored by blasting inspectors.

In the unlikely event that NEXUS construction directly causes any damage to a structure, NEXUS will either repair the damage or fairly compensate the owner for the damages.

How will NEXUS work to restore the land they impacted during construction once the project is done?

Following pipeline installation, all disturbed areas will be returned as close as possible to the original contours.

Temporary workspace will be allowed to return to its original state. The entire work area will be restored in compliance with all applicable federal, state and local permits.

All temporary fencing and gates required during construction will be removed. All fences will be restored as near as practicable to pre-construction condition.

NEXUS right-of-way agents will be available throughout restoration to respond to landowner questions and concerns. After the landowner and right-of-way agent have reviewed the restoration, NEXUS will return to review and evaluate any follow-up issues or concerns.

While NEXUS will maintain the permanent right-of-way per the Grant of Easement, temporary work areas will revert to the property owner following construction and restoration.

Will there be barriers to absorb bright lights of the construction site?

Any local lighting for nighttime activities will be pointed down toward the work area and not up in the air.

What kind of welding techniques are anticipated to be utilized during the construction of the pipeline?

NEXUS will use a combination of mechanized and manual welding for the field welding on the pipeline. Each field will be ultrasonically or x-ray inspected to ensure each weld meets or exceeds all federal safety requirements and regulations.

Who will oversee those contracted to build on this site?

It has been our experience that the U.S. Department of Transportation (“USDOT”) and FERC representatives will perform inspections and audits of significant pipeline construction projects, such as this project. When USDOT’s representatives inspect and/or perform audits on projects, they examine criteria, such as the design of the pipeline, the selection of pipe and its material characteristics, welding, hydrostatic testing just to name a few. USDOT’s representatives want to verify that all the aspects mentioned above are in full compliance with the regulations. FERC’s representatives typically make frequent visits to the work site to ensure that the project team is fully adhering to all the conditions and requirements mandated by FERC for the project. NEXUS will also implement a comprehensive quality assurance program, including multiple on-site inspectors, to assure the work performed by the contractor is conducted in accordance with the project plans, specifications, regulations and permit conditions.

How will the project affect and manage traffic?

For the most part, public roads will not be directly affected by construction activities as they will be bored under using either HDD or conventional jack and bore methods. However, equipment, materials and work force will utilize public roads to go to and from the job site. It is not expected that this will have a dramatic effect on the everyday traffic flow. In heavily traffic congested areas, there may be requirements by local authorities that some sections of the pipeline be constructed at night to minimize interruptions to the traffic flow or in order to complete construction faster. Where the flow of traffic is affected by construction activities, a traffic control plan will be provided to the local authorities for approval and implementation.

Traffic engineers with experience in the local area will design site-specific traffic control plans that will be coordinated with local authorities. The traffic control plans will be designed to minimize the disruption of local traffic patterns and ensure maintenance of the traffic flow with safe driving conditions along the pipeline route during construction. Pipeline construction within roadways is typically accomplished in a manner that avoids road closures. Traffic will be directed by police or flaggers past the work area, which will typically be in one lane of the roadway. Emergency access for fire and police will be a priority of the traffic control plan as will insuring any residents of the area will be able to access their homes.

Will the pipeline be at least 200 feet away from residences?

While there is no code mandating minimum distances a pipeline can be constructed from structures, in the context of pipeline routing and construction, residential areas are generally defined as areas where residential structures are located within 50 feet of the construction work areas, as well as land classified as residential yard, subdivision and approved planned residential development.

Construction through or near residential areas is undertaken to minimize adverse impacts on residents by ensuring that construction and restoration proceeds quickly and thoroughly. Additionally, landowners are notified prior to the commencement of construction, and work hours may be arranged to take landowners’ needs into consideration. Site-specific construction plans typically are prepared to depict the temporary and permanent right-of-way, as well as any special construction techniques proposed for residences located within 25 feet of proposed construction work areas.

The FERC Guidance Manual For Environmental Report Preparation titled “Residential Areas” in Resource Report 8 states that FERC will allow residences to be within 25 feet of the construction work area – or actually within the construction work area itself, as long as a site specific plan is included in the FERC application. In these instances, special construction techniques would be necessary.

Given NEXUS’s early surveys and route analysis, structures are being identified and avoided as much as possible.

The distance of the project from houses and structures vary along the proposed pipeline route. The pipeline will be designed with consideration to the proximity of dwellings; however, there are locations where the pipeline will be closer than 200 feet to a house. USDOT mandates the design of any pipeline based on Class Locations (i.e. Class 1, 2, 3 and 4) depending on the types of structures and human occupancy close to the pipeline.

Could other pipelines and utilities located near the pipeline be damaged?

NEXUS does not anticipate any impacts to the existing utilities or other pipelines during construction or maintenance of the project facilities. NEXUS will obtain maps of the existing utilities and meet with appropriate municipal engineers and planners to assess different construction options to minimize impacts to these utilities.

NEXUS will continue to meet with engineers and planners as the route is further refined to ensure it has accurate information of utility location. Prior to excavating (during construction and maintenance), each utility will be located to determine its horizontal and vertical location so the pipeline can be installed without impacts to the existing infrastructure. Should any damage occur, such as utilities that were not identified, they will be immediately repaired to the satisfaction of the municipality or company that owns the utility.

Once the pipeline is in-service, NEXUS will continue to work with municipality to identify any modifications to existing utilities which could affect pipeline maintenance activities.

NEXUS’s parent company Spectra Energy Partners has co-existed with utilities for more than 60 years and maintenance of the pipeline in both urban and rural areas has not had an adverse impact on utilities or surrounding businesses.

How will the public know when construction will take place?

NEXUS representatives will notify affected landowners and/or tenants of the actual timing of construction as far in advance as possible, and the inspection team will closely monitor all activities to ensure that they adhere to the terms of the easement and agreed-upon restrictions. The early notification will include a general timeline and description of construction activities in order to allow the landowner to schedule activities with construction in mind and detailed information on how to contact NEXUS with any construction related concerns.

During construction a NEXUS right-of-way agent will be readily available on short notice to address any construction questions or concerns landowners may have. The right-of-way agent will also be responsible for following up on these questions and concerns and will respond to inquiries within 48 hours.

During construction of the proposed facilities NEXUS will set-up a toll-free 24-hour hotline to address construction- or environmentally-related issues.

What kind of noise can the public expect during construction activities?

Construction activities will be performed with standard (normal) construction-type equipment, such as track-excavators, backhoes, side-boom tractors, dump truck(s), etc. Much of the construction machines operate intermittently and the types of machines in use during construction change with each construction phase. The noise that can be expected during construction will be no different than the daily construction activities that occur in the project area on a daily basis. Noise buffering measures to be employed during construction include ensuring that sound muffling devices that are provided as standard equipment by the construction equipment manufacturer are kept in good working order.

Will residents be required to pay for construction and maintenance through their tax dollars?

No, residents’ tax dollars will not be used to pay for construction and maintenance of the project which is one of the benefits of an interstate natural gas pipeline. NEXUS will pay for the cost of constructing and maintaining the pipeline and facilities. Once the project facilities are in place, NEXUS will be assessed appropriate annual property taxes on their respective project facilities and will not draw on the municipalities’ services (i.e. schools, water, etc.). NEXUS will pay ongoing, annual property tax dollars that will support the communities.

Will the project require 24-hour or nighttime construction?

Nighttime or 24-hour construction is not expected to be necessary (i.e., site construction to occur primarily during daylight hours). If it is determined that night construction is required, notice would be provided to the general public concerning these locations in advance of any work taking place.

Has construction begun anywhere along the NEXUS pipeline project at this point?

Only survey activities are occurring at this time. Construction of the pipeline and related facilities cannot begin until authorization is received from the Federal Energy Regulatory Commission (“FERC”) and all necessary permits and environmental clearances have been obtained from federal, state and local agencies.

Will the construction or operation of the pipeline result in more tax dollars going to support increased police and other protective services?

No, the project will not require any additional municipal facilities to operate and maintain the pipeline. However, the pipeline could generate property tax relief that can be allocated to these and other municipal services.

How will NEXUS protect topsoil during construction?

Up to 1 foot (12 inches) of top soil for the entire width of the construction right-of-way will be removed and stock piled along the edge of the right-of-way. The top soil will be returned and graded over the right-of-way as the final step in restoration.

In agricultural and residential areas, topsoil will be stripped and stockpiled separately from the subsoil during grading. There may be some areas where the construction right-of-way is limited and topsoil will need to be stockpiled offsite. Topsoil will be replaced with appropriate imported material as required. The mixing of topsoil with subsoil will be minimized by using topsoil segregation construction methods in wetlands (except when standing water or saturated soils are present). Rock will be removed from all actively cultivated or rotated agricultural land. The size, density and distribution of rock left in construction work areas should be similar to adjacent areas not disturbed by construction, unless otherwise approved in writing by the landowner.

Compressor Stations

What is a compressor station and what does it do?

Natural gas is highly pressurized as it travels through the interstate pipeline system. To ensure that the gas continues to flow optimally, it must be periodically compressed and pushed through pipelines by 700 to 1,600 pounds per square inch of pressure. Over distance, friction and elevation differences slow the gas and reduce pressure, so compressor stations are placed about 70 miles apart along the pipeline to give the gas a "boost." These stations operate day and night, year-round to push re-pressurized gas through the pipelines.

What are the measures in place to help ensure the safety of a compressor station and the people and resources in its vicinity?

Compressor stations integrate a variety of safety systems and practices to protect the public and station employees and properties. For example, every station has an emergency shutdown system that stops the compressor units and isolates and vents the compressor station gas piping. Regulations require that compressor stations periodically test or perform maintenance on the emergency shutdown system to ensure reliability. During the shutdown, natural gas in the pipeline will be able to bypass the station.

All compressor stations are monitored - and some are even controlled remotely - by highly-trained personnel at a centralized gas control center. Experienced personnel operate and maintain the station equipment and pipelines.

What effect will the project construction have on air quality?

Air emissions from the project will comply with all applicable federal and state air quality regulations. Federal and state ambient air quality standards are promulgated to protect the public health, welfare and environment by limiting the levels of pollutants that can occur in the outside air. Beyond construction and in the long-term, the pipeline will deliver clean natural gas to the area, carbon dioxide emissions will be reduced.

How are compressor station sites determined?

The Federal Energy Regulatory Commission (FERC) and U.S. Department of Transportation (USDOT) have established, respectively, rigorous siting and safety requirements for interstate pipeline compressor stations. The Environmental Protection Agency (EPA), through the state environmental agencies, strictly regulates compressor station emissions. Location criteria for compressor stations are determined by a number of factors that include: 1.) stakeholder considerations; 2.) engineering design with favorable pipeline hydraulic performance; 3.) geographic suitability; 4.) environmental resource impacts; and, 5.) constructible terrain. As part of its environmental review, FERC makes the final decision as to the compressor station location generally considering these factors.

How are interstate pipeline compressor stations monitored?

To ensure safe operations, well trained gas controllers work around the clock in a high-tech control center to monitor and control the gas as it travels through all sections of our pipeline network. Compressor stations are maintained by highly skilled and experienced pipeline personnel along our pipeline systems. Our employees operate over 100 compressor station sites around the clock – with nearly two million horsepower in the United States and over 65 years of success.

How loud are interstate pipeline compressor stations?

FERC regulates interstate pipeline compressor stations and require that the station’s noise levels do not exceed an average day-night sound level (Ldn) of 55 decibels (dBA) at the nearest noise sensitive area (NSA), e.g., residences, schools, hospitals, churches, playgrounds and camping facilities, when operating at full load. Noise surveys are conducted before and after construction to verify these federal noise levels are not exceeded. As a point of reference, the average home dishwasher is 50 dBA.

What are the public safety measures in place at compressor stations?

Compressor stations are highly regulated facilities that must meet rigorous siting, safety and environmental standards established respectively by FERC, USDOT and the EPA. NEXUS’ compressor stations integrate a variety of safety systems and practices designed to protect the public, our employees and the environment. Compressor stations are designed with continuous monitoring devices along with emergency shutdown systems capable of isolating the station and safely venting the gas very quickly in the unlikely event of an emergency. Since natural gas is lighter than air, natural gas rises and dissipates quickly into the atmosphere. These systems are designed and routinely tested to be reliable, which is why it is extremely rare to have compressor station incidents. Compressors stations are also designed with emergency manual shutdown buttons strategically placed throughout the facility which can be activated by station operators. Every one of our compressor stations is operated and maintained by highly skilled, experienced personnel trained to safely maintain the station and its pipelines.

Do you coordinate with local first responders?

NEXUS is committed to providing pertinent information about our facilities and working with nearby emergency responders. USDOT also requires interstate pipeline operators to develop a public liaison program for each municipality we go through. An emergency response plan specific to each compressor station is developed and local first responder organizations are trained in how to coordinate a response with NEXUS in the unlikely event of an emergency at the compressor station. Evacuation of areas surrounding the compressor station property is not typically necessary in the unlikely event of an emergency. However, if evacuation is warranted, the evacuation zone would be dependent on the nature, extent and location of the incident.

What will the emissions be from the compressor station?

The turbines that drive the gas compressors will have low emission technology and are fueled by clean burning natural gas. Federal regulations require the turbines to be designed to achieve a nitrogen oxide (NOx) emission rate of 25 ppmvd (parts per million by volume, dry basis) during normal operations. The turbines will be designed to achieve a NOx emission rate of 9 ppmvd during normal operations. This is lower than what is required by federal and state regulation. In addition, while this is not required by any federal regulations, we will be equipping the turbines with oxidation catalysts, which are designed to significantly reduce carbon monoxide, volatile organic compounds, and Hazardous Air Pollutants emissions.

Are pipeline liquids generated at the compressor station and how is this material managed?

Stations are equipped with filter separators and/or scrubbers that remove any natural gas liquids or solid particles that may have entered the pipeline from various interconnects and/or receipt points along the pipeline prior to the gas entering the gas compressors. Any pipeline liquids collected in these systems are managed in accordance with all regulations and transported to federal and state approved sites.

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