More than a million New Yorkers use natural gas in their homes and businesses every day. Natural gas is clean, efficient, and delivered safely and reliably straight to their doorstep. Maintaining the highest level of service has been a priority since Con Edison's predecessor company first began supplying gas service to New Yorkers in 1824. Today, Con Edison operates approximately 4,300 miles of natural gas pipelines in Manhattan, the Bronx, parts of Queens, and Westchester County.

Natural gas comes from underground wells as far away as the Gulf of Mexico and Western Canada, and is supplied to our region through large-diameter, high-pressure gas mains. Con Edison's customers receive gas through the company's distribution system, which is made up of small-diameter, lower pressure gas mains. Moving the gas from the suppliers to our distribution system is accomplished through Con Edison's gas transmission system, which consists of 50 miles of main.

Integrity Management Plan (IMP)
Recent changes in the Code of Federal Regulations requires operators around the country, including Con Edison, to monitor and document all activity associated with transmission pipelines. Generally, Con Edison's Integrity Management Plan (IMP) consists of a written set of inspection, testing and documentation standards. These standards cover items such as:

	defining employees' roles and responsibilities
	identifying high-consequence areas along our transmission system
	assessing risks to our transmission system
	inspecting the condition of our transmission system and remediating potential problems
	taking preventative and mitigative measures
	continually assessing and evaluating the transmission system
	documenting all activity
	educating the public

Integrity Activities and Prevention Measures
Con Edison is proactively involved in the integrity management process and takes steps to ensure the safety and reliability of our transmission system, in accordance with regulatory standards. These steps include:

	utilizing design criteria and materials consistent with industry standards
	installing remote operated valves that allow us to quickly isolate our system
	inspecting and maintaining our system
	monitoring system performance 24 hours a day, 365 days a year
	actively participating in the regional one-call system in an effort to prevent third-party damage
	monitoring all known third-party activity within 25 feet of our transmission system
	continuously patrolling our entire transmission system to detect unreported third-party activity
	marking and identifying underground transmission mains
	installing pipeline markers to warn excavators to “call before you dig”
	adhering to stringent operator qualifications standards
	performing internal reviews of operations, procedures, and emergency plans
	assisting external reviews by federal and state government agencies
	sharing information with our local fire departments to facilitate and practice emergency response efforts
	using an Incident Command System to control and mitigate incidents

We work diligently to keep our entire system safe and reliable. For additional information on transmission pipelines, please visit:

• The National Pipeline Mapping System on the Web (www.npms.rspa.dot.gov)
• The Northeast Gas Association (www.northeastgas.org/aware/index.cfm)
  

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