# TENNESSEE GAS PIPELINE COMPANY — Gas transmission and gathering — incident on 2015-02-10

- **operation:** document
- **citation:** PHMSA Report 20150028
- **title:** TENNESSEE GAS PIPELINE COMPANY — Gas transmission and gathering — incident on 2015-02-10
- **source type:** incident
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** 2015-03-08
- **effective on:** 2015-02-10
- **summary:** Gas transmission and gathering incident in HOPKINTON, MIDDLESEX County, MA. Reported cause: NATURAL FORCE DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 11809 NATURAL GAS released, $2,980 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: not significant, not serious.
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**body:**

Gas transmission and gathering incident in HOPKINTON, MIDDLESEX County, MA. Reported cause: NATURAL FORCE DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 11809 NATURAL GAS released, $2,980 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: 20150028.

Operator ID: 19160.

Reported incident date: 2/10/2015 22:27.

Location detail: 448+40

Cause detail: TEMPERATURE

Cause detail: RAIN OR SNOW ENTERED VENT OF PILOT; RAIN OR SNOW FROZE; THE RESULTING ICE DEFORMED THE END OF THE PILOT CONTROLLER; DAMAGED CONTROLLER CAUSED RELIEF VALVE TO ACTIVATE BELOW 700 PSIG MAOP; EVENT WAS REPORTABLE AS NATURAL GAS RELEASED WAS >3,000 MCF;

PHMSA trend classification: not significant, not serious.

PHMSA standardized cause: NATURAL FORCE DAMAGE — TEMPERATURE.

PHMSA indexed costs: $55,150 reported total cost, $49,719.612 in 1984 dollars, $63,111 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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