TENNESSEE GAS PIPELINE COMPANY

gas_transmission Incident — — December 21, 2015

Incident Information

Incident DateDecember 21, 2015
OperatorTENNESSEE GAS PIPELINE COMPANY
CommodityNATURAL GAS
Pipeline Typegas_transmission

Location

State
Coordinates42.87448, -75.16735

Cause

CauseEQUIPMENT FAILURE
Subcause"FAILURE OF EQUIPMENT BODY (EXCEPT COMPRESSOR), VESSEL PLATE, OR OTHER MATERIAL"

Casualties

Fatalities0
Injuries0

Costs

Property Damage$1,500
Emergency Response$0
Other Costs$0

Location Map

Incident Narrative

"ON 12/21/2015 AT 8:25 AM (LOCAL TIME)TENNESSE GAS PIPELINE EXPERIENCED AN ESD AT COMPRESSOR STATION 245 IN WEST WINFIELD, NY. IT WAS DETERMINED THAT STATION 245 C-BUILDING INITIATED A FUEL GAS SHUTDOWN WHEN A RUPTURE DISC ACTIVATED DURING MAINTENANCE ACTIVITIES ON THE BOILER WATER HEATING SYSTEM. SLIGHT GAS PRESSURE INADVERTENTLY CHARGED THE RED ESD PIPING DUE TO AN IMPROPERLY RATED 1/2 INCH CHECK VALVE. THIS CAUSED THE 8 INCH SUCTION ESD BLOW OFF VALVE TO OPEN, BUT DID NOT SUPPLY ENOUGH PRESSURE TO CLOSE THE SIDE VALVES. A&B BUILDINGS ALSO SHUT DOWN DUE TO FUEL LOSS WHEN THE FUEL VALVE BLOCKED AND BLED. THERE WAS AN UNINTENTIONAL RELEASE OF 5,780 MCF OF NATURAL GAS."

About This Pipeline Incident

Pipeline incident data is reported to the Pipeline and Hazardous Materials Safety Administration (PHMSA). All significant incidents involving fatalities, injuries, or property damage over $50,000 must be reported.

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