# TENNESSEE GAS PIPELINE COMPANY — Gas transmission and gathering — incident on 2018-01-02

- **operation:** document
- **citation:** PHMSA Report 20180009
- **title:** TENNESSEE GAS PIPELINE COMPANY — Gas transmission and gathering — incident on 2018-01-02
- **source type:** incident
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** 2018-01-11
- **effective on:** 2018-01-02
- **summary:** Gas transmission and gathering incident in Not Within a Municipality, FRANKLIN County, LA. Reported cause: NATURAL FORCE DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 16280 NATURAL GAS released, $13,650 reported property damage. Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings. PHMSA trend classification: significant incident, not serious.
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**body:**

Gas transmission and gathering incident in Not Within a Municipality, FRANKLIN County, LA. Reported cause: NATURAL FORCE DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 16280 NATURAL GAS released, $13,650 reported property damage. Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings.

Report number: 20180009.

Operator ID: 19160.

Reported incident date: 1/2/2018 0:01.

Location detail: MP 0 IN YARD

Cause detail: OTHER NATURAL FORCE DAMAGE

Cause detail: ALL TIMES ARE CENTRAL STANDARD TIME; PIR = 633 FEET; KM TGP PIR WITH BUFFER = 673 FEET; 48-HOUR NRC UPDATE MADE EARLY DURING NORMAL BUSINESS HOURS, NRC # 1201018, 01/03/2018, 14:28 CST; GAS RELEASE REPORTED TO LA STATE POLICE 01/02/2018; REPORT NUMBER 18-00012; 01/02/18, STATION 834 IS ON LINE, OPERATING PERSONNEL IS ON SITE; WEATHER CONDITION IS UNUSUAL SEVERE COLD WEATHER; 15 DEGREES FAHRENHEIT; 01/02/2018, 00:01 HOUR, VALVE UNINTENTIONALLY BEGAN TO OPEN, RELEASING NATURAL GAS TO ATMOSPHERE; OPERATING PERSONNEL IMMEDIATELY HEARD THE SOUND OF VENTING NATURAL GAS AND INVESTIGATED SOURCE OF BLOWING GAS; OPERATING PERSONNEL THEN INITIATED A STATION SHUT DOWN; A SIDE VALVE UNINTENTIONALLY DID NOT CLOSE ALLOWING NATURAL GAS TO CONTINUE TO FEED OPEN VALVE; A RESIDENT HEARD THE SAME AND CALLED 911 (FARM HOUSES IN THE AREA); SHERIFF DEPARTMENT CALLED TGP GAS CONTROL; 00:57 HOUR, ANOTHER BLOCK VALVE WAS REMOTELY CLOSED BY EMPLOYEES THUS TERMINATING THE RELEASE OF NATURAL GAS TO ATMOSPHERE; INVESTIGATION AND REPAIR COMMENCED; MOISTURE CREATED ICE IN THE CONTROL BOX OF THE VALVE; SAID ICE CAUSED INCORRECT OPERATION OF THE CONTROLS THUS OPENING THE VALVE UNINTENTIONALLY; THE CONTROLS WERE CLEANED AND LUBRICATED AND THE CONTROL BOX WAS REINSTALLED; CONTROLS OF THE SIDE VALVE WERE FREED FROM ICE IN THE WORM GEAR HOUSING AND THE ACTUATOR WAS LUBRICATED AND RETURNED TO SERVICE MODE; 01/04/2018, 18:20 HOURS, STATION 834 RETURNED TO ON LINE STATUS;

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: NATURAL FORCE DAMAGE — OTHER NATURAL FORCE DAMAGE.

PHMSA indexed costs: $62,573 reported total cost, $51,053.359 in 1984 dollars, $72,226.942 in current-year dollars.

PHMSA trend flags, standardized causes, and indexed costs are analytical fields added to operator-reported incident data. They do not represent final agency causal findings.
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