CYPRESS GAS PIPELINE COMPANY

gas_transmission Incident — — March 22, 2010

Incident Information

Incident DateMarch 22, 2010
OperatorCYPRESS GAS PIPELINE COMPANY
CommodityNATURAL GAS
Pipeline Typegas_transmission

Location

State
Coordinates29.00000, -91.00000

Cause

CauseCORROSION FAILURE
SubcauseEXTERNAL CORROSION

Casualties

Fatalities0
Injuries0

Costs

Property Damage$226,466
Emergency Response$308,811
Other Costs$0

Location Map

Incident Narrative

ON MARCH 22, 2010, LOCAL OPERATING PERSONNEL WAS NOTIFIED BY OPERATIONS CONTROL THAT THERE WAS A PRESSURE LOSS ON THE BR-S #001 16"" PIPELINE NEAR BERWICK, LA IN ST. MARY PARISH. THE LINE WAS PRESSURED, HOWEVER WAS NOT FLOWING. IN ADDITION, OPERATIONS CONTROL RECEIVED A CALL FROM THE BERWICK POLICE DEPARTMENT INDICATING THAT A PIPELINE HAD RUPTURED BEHIND THE LANDFILL APPROXIMATELY 2 MILES WEST OF THE ATCHAFALAYA RIVER BRIDGE ON HWY 49. LOCAL OPERATING PERSONNEL ARRIVED ON THE SCENE TO FIND THAT A PIPE RUPTURE HAD OCCURRED RELEASING PIPE AND NATURAL GAS FROM THE BR-S #001 PIPELINE ROW. THE LINE WAS IMMEDIATELY ISOLATED. ACTIONS WERE TAKEN IMMEDIATELY TO SECURE THE SITE AND PERFORM A FIELD INVESTIGATION. PIPE SPECIMENS AND SOIL SAMPLES WERE TAKEN AND SECURED IN ACCORDANCE WITH REGULATORY REQUIREMENTS. THE PIPE SAMPLES WERE SUBMITTED TO WELDING AND TESTING LABORATORIES IN BATON ROUGE, LA FOR A METALLURGY EXAMINATION. TESTING IS PRESENTLY BEING CONDUCTED. FINAL LAB REPORT HAS BEEN COMPLETED. A REVIEW OF THE WELDING AND TESTING LABAROTORIES FINAL REPORT IS BEING REVIEWED BY COMPANY INTEGRITY MANAGEMENT GROUP TO DETERMINE ASSESSMENT OPTIONS BEFORE PUTTING PIPELINE BACK IN SERVICE. NOTE: PART C-4: THE VALUE DEFAULTED TO 1959 WHEN ACTUAL INSTALLATION OCCURRED IN 1953. ALSO, PART A (5) WOULD NOT TAKE LATITUDE 29.673 OR LONGITUDE -91.251.

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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