# SOUTHWEST GAS CORP — Gas transmission and gathering — incident on 2015-05-07

- **operation:** document
- **citation:** PHMSA Report 20150073
- **title:** SOUTHWEST GAS CORP — Gas transmission and gathering — incident on 2015-05-07
- **source type:** incident
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** 2015-06-03
- **effective on:** 2015-05-07
- **summary:** Gas transmission and gathering incident in LAUGHLIN, CLARK County, NV. Reported cause: OTHER OUTSIDE FORCE DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 0 NATURAL GAS released, $98,737 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 LAUGHLIN, CLARK County, NV. Reported cause: OTHER OUTSIDE FORCE DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 0 NATURAL GAS released, $98,737 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: 20150073.

Operator ID: 18536.

Reported incident date: 5/7/2015 2:35.

Location detail: 4

Cause detail: DAMAGE BY CAR, TRUCK, OR OTHER MOTORIZED VEHICLE/EQUIPMENT NOT ENGAGED IN EXCAVATION

Cause detail: A VEHICLE OPERATED BY A THIRD PARTY STRUCK SECURITY FENCING AND HIT A SOUTHWEST GAS ABOVE GROUND REGULATOR/METERING STATION LOCATED ADJACENT TO NEEDLES HIGHWAY, JUST NORTH OF MILE POST 4 IN LAUGHLIN, NEVADA, THE FACILITY SUFFERED IRREPARABLE DAMAGE TO A 16-INCH VALVE OPERATOR AND STEM ASSEMBLY. THE ESTIMATED COSTS OF SOUTHWEST GAS' EMERGENCY RESPONSE AND FACILITY REPAIR RESULTED IN THE INCIDENT MEETING PHMSA/DOT NOTIFICATION CRITERIA. PART A, 15: GAS FACILITIES HAVE BEEN SECURED, BUT MAY REQUIRE SHUT DOWN FOR REPLACEMENT ONCE NEW MATERIALS HAVE BEEN RECEIVED FROM SUPPLIER. PART C, 6 TYPE OF INCIDENT: LEAK/OTHER - THE SOURCE OF THE LEAK WAS A BROKEN GREASE FITTING THAT RESULTED FROM THE DAMAGE TO THE STEM ASSEMBLY. SUPPLEMENTAL: SUPPLEMENTAL REPORT FILED TO UPDATE FINAL REPAIR COST INFORMATION INITIALLY ESTIMATED IN PART D, 7 - ESTIMATED PROPERTY DAMAGE.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: OTHER OUTSIDE FORCE DAMAGE — VEHICLE NOT ENGAGED IN EXCAVATION.

PHMSA indexed costs: $109,794 reported total cost, $55,781.336 in 1984 dollars, $135,485.327 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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