GD incident on 2010-01-03 — TX

Operator
Atmos Energy Corporation - West Texas
Cause
Corrosion Failure
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
Incident datetime
2010-01-03 15:54
Report number
Location
TX, POTTER
Narrative
Natural gas leakage due to corrosion migrated underground to a pier and beam constructed home which was located approximately 15 feet from the gas main. The homeowners had recently replaced their gas service line adjacent to the main which appears to be the migration path to the home's foundation. An unknown ignition source ignited the gas that collected under the home and destroyed the house. No serious injuries were reported. The leaking steel main was replaced with 110 feet of pe main.
Detailed record list
Occurred At
2010-01-03 15:54:00
Year
2010
Report Received Date
2010-07-20 00:00:00
Iyear
2010.0
Report Number
20100057.0
Supplemental Number
15073.0
Report Type
Original
Operator Id
Name
Atmos Energy Corporation - West Texas
Operator Street Address
5430 Lbj Freeway
Operator City Name
Dallas
Operator State Abbreviation
TX
Operator Postal Code
75240
Local Datetime
2010-01-03 15:54:00
Location Street Address
Ne 16th Street
Location City Name
Amarillo
Location County Name
Potter
Location State Abbreviation
TX
Location Postal Code
79102-0000
Location Latitude
Location Longitude
Nrc Rpt Datetime
2010-01-03 17:37:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Unintentional Release
6.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
Yes
Explode Ind
Yes
Num Pub Evacuated
0.0
Incident Identified Datetime
2010-01-03 15:54:00
On Site Datetime
2010-01-03 16:32:00
Federal
No
Location Type
Private Property
Incident Area Type
Underground
Incident Area Subtype
Under A Building
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Installation Year
1950.0
Pipe Diameter
2.0
Pipe Specification
Unknown
Pipe Manufacturer
Unknown
Material Involved
Steel
Steel Seam Type
Other
Steel Seam Type Details
Unknown
Release Type
Leak
Leak Type
Pinhole
Class Location Type
Class 3 Location
Est Cost Oper Paid
60000.0
Prpty
60000.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
1.0
Accident Psig
30.0
Normal Psig
30.0
Mop Psig
60.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Notification From Public
Investigation Status
No, the facility was not monitored by a controller(s) at the time of the incident
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Corrosion Failure
Cause Details
External Corrosion
Internal External
External Corrosion
Visual Exam Results
General Corrosion
Galvanic Corrosion Ind
Yes
Field Exam Basis Ind
Yes
Underground Location
Yes
Under Cathodic Protection Ind
No
Shielding Evident
No
Cathodic Survey Type
No
Prior Damage
No
Coating Type
None
Cor Hydrotest Leak Survey Date
2009-03-06 00:00:00
Cor Hydrotest Conducted Ind
No
Preparer Name
S****** H******
Preparer Title
Supervisor Measurement
Preparer Email
S**************@a**********.com
Preparer Telephone
8067984423
Preparer Fax
8067984495
Authorizer Name
R** K********
Authorizer Title
Vp Technical Services
Authorizer Telephone
8067984432
Authorizer Email
R************@a**********.com
Narrative
Natural gas leakage due to corrosion migrated underground to a pier and beam constructed home which was located approximately 15 feet from the gas main. The homeowners had recently replaced their gas service line adjacent to the main which appears to be the migration path to the home's foundation. An unknown ignition source ignited the gas that collected under the home and destroyed the house. No serious injuries were reported. The leaking steel main was replaced with 110 feet of pe main.
Occurred At 2010-01-03 15:54:00
Year 2010
Report Received Date 2010-07-20 00:00:00
Iyear 2010.0
Report Number 20100057.0
Supplemental Number 15073.0
Report Type Original
Operator Id 4473 PHMSA Enforcement
Name Atmos Energy Corporation - West Texas
Operator Street Address 5430 Lbj Freeway
Operator City Name Dallas
Operator State Abbreviation TX
Operator Postal Code 75240
Local Datetime 2010-01-03 15:54:00
Location Street Address Ne 16th Street
Location City Name Amarillo
Location County Name Potter
Location State Abbreviation TX
Location Postal Code 79102-0000
Location Latitude 35.23153 Google Maps OpenStreetMap
Location Longitude -101.81651 Google Maps OpenStreetMap
Nrc Rpt Datetime 2010-01-03 17:37:00
Nrc Rpt Num 927633 NRC Report How to search
Commodity Released Type Natural Gas
Unintentional Release 6.0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Ignite Ind Yes
Explode Ind Yes
Num Pub Evacuated 0.0
Incident Identified Datetime 2010-01-03 15:54:00
On Site Datetime 2010-01-03 16:32:00
Federal No
Location Type Private Property
Incident Area Type Underground
Incident Area Subtype Under A Building
Crossing No
Pipe Facility Type Privately Owned
System Part Involved Main
Installation Year 1950.0
Pipe Diameter 2.0
Pipe Specification Unknown
Pipe Manufacturer Unknown
Material Involved Steel
Steel Seam Type Other
Steel Seam Type Details Unknown
Release Type Leak
Leak Type Pinhole
Class Location Type Class 3 Location
Est Cost Oper Paid 60000.0
Prpty 60000.0
Commercial Affected 0.0
Industrial Affected 0.0
Residences Affected 1.0
Accident Psig 30.0
Normal Psig 30.0
Mop Psig 60.0
Accident Pressure Pressure Did Not Exceed Maop
Scada In Place Ind No
Accident Identifier Notification From Public
Investigation Status No, the facility was not monitored by a controller(s) at the time of the incident
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Corrosion Failure
Cause Details External Corrosion
Internal External External Corrosion
Visual Exam Results General Corrosion
Galvanic Corrosion Ind Yes
Field Exam Basis Ind Yes
Underground Location Yes
Under Cathodic Protection Ind No
Shielding Evident No
Cathodic Survey Type No
Prior Damage No
Coating Type None
Cor Hydrotest Leak Survey Date 2009-03-06 00:00:00
Cor Hydrotest Conducted Ind No
Preparer Name S****** H******
Preparer Title Supervisor Measurement
Preparer Email S**************@a**********.com
Preparer Telephone 8067984423
Preparer Fax 8067984495
Authorizer Name R** K********
Authorizer Title Vp Technical Services
Authorizer Telephone 8067984432
Authorizer Email R************@a**********.com
Narrative Natural gas leakage due to corrosion migrated underground to a pier and beam constructed home which was located approximately 15 feet from the gas main. The homeowners had recently replaced their gas service line adjacent to the main which appears to be the migration path to the home's foundation. An unknown ignition source ignited the gas that collected under the home and destroyed the house. No serious injuries were reported. The leaking steel main was replaced with 110 feet of pe main.

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