# TENNESSEE GAS PIPELINE COMPANY — Gas transmission and gathering — incident on 2017-11-29

- **operation:** document
- **citation:** PHMSA Report 20170125
- **title:** TENNESSEE GAS PIPELINE COMPANY — Gas transmission and gathering — incident on 2017-11-29
- **source type:** incident
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** 2017-12-27
- **effective on:** 2017-11-29
- **summary:** Gas transmission and gathering incident in Not Within a Municipality, BERKSHIRE County, MA. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 10960 NATURAL GAS released, $250 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 Not Within a Municipality, BERKSHIRE County, MA. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 10960 NATURAL GAS released, $250 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: 20170125.

Operator ID: 19160.

Reported incident date: 11/29/2017 15:55.

Location detail: 198+66

Cause detail: MALFUNCTION OF CONTROL/RELIEF EQUIPMENT

Cause detail: ALL TIMES ARE EASTERN STANDARD TIME; 48-HOUR UPDATE TO NRC WAS 12/01/2017 AT 13:55 EST; REPORT NUMBER 1198362; KM PIR = 488 FEET; PUBLIC AND LOCAL FIRE DEPARTMENT REPORTED RELIEF VALVE ACTIVATION; INTERMITTENT "POPS"; RELIEF VALVE WOULD RESEAT; LOCATED ON PIPELINE; NOT AT COMPRESSOR STATION; PROTECTING DOWNSTREAM 730 MAOP; 8-INCH PLUG VALVE BENEATH RELIEF VALVE WAS USED TO ISOLATE RELIEF VALVE; RELIEF VALVE WAS INSPECTED AND TESTED THEN RETURNED TO SERVICE;

PHMSA trend classification: not significant, not serious.

PHMSA standardized cause: EQUIPMENT FAILURE — MALFUNCTION OF CONTROL/RELIEF EQUIPMENT.

PHMSA indexed costs: $32,065 reported total cost, $30,215.983 in 1984 dollars, $37,402.443 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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