ANR PIPELINE CO

gas_transmission Incident —

Incident Information

Report Date
OperatorANR PIPELINE CO
Commodity—
Pipeline Typegas_transmission

Location

State
Coordinates41.56624, -85.16742

Cause

CauseMATERIAL FAILURE OF PIPE OR WELD
Subcause—

Casualties

Fatalities0
Injuries0

Costs

Property Damage
Lost Commodity
Public/Private Damage
Emergency Response
Environmental Remediation
Other Costs

Location Map

Incident Narrative

ON CALL TCPL EMPLOYEE RECEIVED A CALL FROM GAS CONTROL ADVISING A LANDOWNER HAD CALLED IN REPORTING A BUBBLING NOISE IN THE AREA OF THE PIPELINE. TCPL EMPLOYEES INVESTIGATED AND FOUND A SLOW BUBBLE FORMATION EVERY 3 TO 4 SECONDS WAS OBSERVED CLOSE PROXIMITY TO THE 22 INCH 504 TIELINE LOCATED IN THE LAGRANGE SECTION NEAR ORLAND, INDIANA, EAST OF STATE ROUTE 327 NEAR MILEPOST 45. COMPANY INVESTIGATED FURTHER AND USED INSTRUMENTS TO DETECT A GAS LEAK. FOLLOWING ISOLATION OF THE SEGMENT, THE AREA WAS EXCAVATED AND THE PIPE SEGMENT CONTAINING THE LEAK WAS REMOVED FROM THE PIPELINE. SUBSEQUENTLY, THE COMPANY'S PIPE INTEGRITY GROUP HAS EXAMINED THE FAILED SEGMENT OF PIPE THROUGH METALLURGICAL ANALYSIS AND DISCOVERED THAT THE FAILURE WAS DUE TO A LACK OF FUSION IN THE LONGITUDINAL WELD.

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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