# AMEREN ILLINOIS COMPANY — Gas transmission and gathering — incident on 2016-04-06

- **operation:** document
- **citation:** PHMSA Report 20160036
- **title:** AMEREN ILLINOIS COMPANY — Gas transmission and gathering — incident on 2016-04-06
- **source type:** incident
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** 2016-05-06
- **effective on:** 2016-04-06
- **summary:** Gas transmission and gathering incident in MARYVILLE, MADISON COUNTY County, IL. Reported cause: EXCAVATION DAMAGE. Reported consequences: 1 fatalities, 0 injuries, 1305 NATURAL GAS released, $96,401 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, serious incident.
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**body:**

Gas transmission and gathering incident in MARYVILLE, MADISON COUNTY County, IL. Reported cause: EXCAVATION DAMAGE. Reported consequences: 1 fatalities, 0 injuries, 1305 NATURAL GAS released, $96,401 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: 20160036.

Operator ID: 32513.

Reported incident date: 4/6/2016 13:45.

Location detail: SEE GPS COORD

Cause detail: EXCAVATION DAMAGE BY THIRD PARTY

Cause detail: EXCAVATION ISSUE

Cause detail: IMPROPER EXCAVATION PRACTICE NOT LISTED ABOVE

Cause detail: A THIRD PARTY EXCAVATOR WAS WORKING ON THE DEVELOPMENT OF A NEW SUBDIVISION ROADWAY ENTRANCE NEAR 6327 STATE ROUTE 162 IN MARYVILLE, IL. WHILE USING A CATERPILLAR ROAD RECLAIMER MACHINE TO WORK THE SOIL FOR THE NEW ROADWAY ENTRANCE , THE EXCAVATOR STRUCK AN AMEREN ILLINOIS 10" ST TRANSMISSION GAS MAIN. THE BLOWING GAS IGNITED INJURING THE ROAD RECLAIMER OPERATOR, WHO WAS ADMITTED TO THE HOSPITAL WITH BURNS. THE INJURED OPERATOR SUBSEQUENTLY PASSED AWAY A FEW WEEKS LATER. THE FIRE RESULTED IN DAMAGE TO MULTIPLE EXCAVATION EQUIPMENT UNITS AND TRUCKS ASSOCIATED WITH THE EXCAVATION COMPANY. AMEREN ILLINOIS ISOLATED THE DAMAGED SEGMENT BY CLOSING SYSTEM VALVES RESULTING IN A LOSS OF SERVICE TO 14 CUSTOMERS. THE DAMAGED LINE WAS PROPERLY LOCATED WHEN THE DAMAGE OCCURRED. THIS REPORT ORIGINALLY SHOWED ONE HOSPITALIZATION AND ONE FATALITY. IT IS BEING REVISED TO SHOW ONE FATALITY AND NO INJURIES, SINCE THE INJURED PARTY PASSED AWAY WITHIN 30 DAYS OF THE INCIDENT.

PHMSA trend classification: significant incident, serious incident.

PHMSA standardized cause: EXCAVATION DAMAGE — THIRD PARTY EXCAVATION DAMAGE.

PHMSA indexed costs: $2,101,423 reported total cost, $1,048,340.041 in 1984 dollars, $2,575,271.74 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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