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Safety is Fundamental to Iroquois’ Operation

Safe operation has always been of fundamental importance to Iroquois. That is reflected in the construction of our natural gas transmission facilities, our daily operations and our ongoing integrity monitoring program.

The Pipeline
Our steel pipeline is made to exacting specifications which guarantee extremely tough pipe.  This toughness, in combination with the thickness of the pipe wall, make the Iroquois pipeline extremely difficult to penetrate and very tolerant to many types of damage.  A high-integrity, fusion-bonded epoxy coating is applied to the steel pipe to prevent corrosion.  Offshore segments of the pipeline are also encased with a steel wire-reinforced concrete coating to counter buoyancy and provide protection from vessel anchors and fishing gear that may be deployed directly over the pipeline.

Compressor Stations
Iroquois’ seven compressor stations -- Croghan, Boonville, Wright, Athens and Dover, New York; and Brookfield and Milford, Connecticut -- each feature redundant, fail-safe station control and monitoring capabilities.  Sophisticated automatic control, detection, emergency shutdown, and fire protection systems are designed to operate whether the station is attended or unattended. 

Safety & Security
To ensure the safety of our system and the public, Iroquois’ in-house Gas Control Center is staffed 24/7/365 days a year by a team of operator-qualified system controllers. Our Supervisory Control and Data Acquisition (SCADA) system - the backbone of the communication system - provides data collection, monitoring and control of the compressor and meter stations.  In addition, Gas Control can operate the system’s mainline block valves remotely if needed.

Cameras provide visual monitoring of the compressor stations for security and safety, and cameras can be used for on-site viewing as well as from our Gas Control Center at our Shelton headquarters.

Iroquois also maintains a comprehensive security plan to address any potential threat to our facilities.

Integrity Monitoring
Our ongoing integrity management program includes activities such as an annual walking inspection of the right-of-way, flyovers to detect any unusual activity, periodic in-line inspections, membership in Connecticut and New York one-call programs and a Public Awareness Program that educates the general public about pipeline safety and provides training to emergency responders in our pipeline communities.

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