GD incident on 2012-05-06 — MN

Operator
Centerpoint Energy Resources Corp., Dba Centerpoint Energy Minnesota Gas
Cause
Natural Force Damage
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$55,409
Incident datetime
2012-05-06 03:26
Report number
Location
MN, HENNEPIN
Narrative
Lightning struck an electrical transformer, lines fell and started multiple car fires, the pavement was softened and heat reached the main. The heat transferred to the tracer wire and burned holes in the plastic main where it was touching.
Detailed record list
Occurred At
2012-05-06 03:26:00
Year
2012
Report Received Date
2012-11-16 00:00:00
Iyear
2012.0
Report Number
20120090.0
Supplemental Number
15632.0
Report Type
Supplemental Final
Operator Id
Name
Centerpoint Energy Resources Corp., Dba Centerpoint Energy Minnesota Gas
Operator Street Address
1111 Louisiana St
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2012-05-06 03:26:00
Location Street Address
707 8 Ave S.e.
Location City Name
Minneapolis
Location County Name
Hennepin
Location State Abbreviation
MN
Location Postal Code
55414
Location Latitude
Location Longitude
Nrc Rpt Datetime
2012-05-06 13:35:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
Yes
Explode Ind
No
Num Pub Evacuated
4.0
Incident Identified Datetime
2012-05-06 03:26:00
On Site Datetime
2012-05-06 03:57:00
Federal
No
Location Type
Public Property
Incident Area Type
Underground
Incident Area Subtype
Under Pavement
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Installation Year
1974.0
Pipe Diameter
3.0
Pipe Specification
Aa
Pipe Manufacturer
Unknown
Material Involved
Plastic
Plastic Type
Other
Wt Plastic Unknown Ind
Unknown
Release Type
Leak
Leak Type
Pinhole
Class Location Type
Class 3 Location
Est Cost Oper Paid
33144.0
Est Cost Prop Damage
55409.0
Est Cost Emergency
12068.0
Est Cost Other
0.0
Est Cost Unintentional Release
20.0
Prpty
100641.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
12.0
Accident Psig
8.0
Normal Psig
8.0
Mop Psig
15.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Notification From Emergency Responder
Investigation Status
No, the operator did not find that an investigation of the controller(s) actions or control room issues was necessary due to: (provide an explanation for why the operator did not investigate)
Investigation Status Details
Pin hole leaks did not cause a pressure change that would have alerted gas control.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Natural Force Damage
Cause Details
Lightning
Natural Force Type
Lightning
Lightning Subtype
Secondary Impact Such As Resulting Nearby Fires
Nf Extreme Weather Ind
No
Preparer Name
C****** H S********
Preparer Title
Gas Operations
Preparer Email
C****************@c****************.com
Preparer Telephone
612-321-5203
Authorizer Name
C****** S********
Authorizer Title
Gas Operations
Authorizer Telephone
612-321-5203
Authorizer Email
C****************@c****************.com
Narrative
Lightning struck an electrical transformer, lines fell and started multiple car fires, the pavement was softened and heat reached the main. The heat transferred to the tracer wire and burned holes in the plastic main where it was touching.
Occurred At 2012-05-06 03:26:00
Year 2012
Report Received Date 2012-11-16 00:00:00
Iyear 2012.0
Report Number 20120090.0
Supplemental Number 15632.0
Report Type Supplemental Final
Operator Id 12350 PHMSA Enforcement
Name Centerpoint Energy Resources Corp., Dba Centerpoint Energy Minnesota Gas
Operator Street Address 1111 Louisiana St
Operator City Name Houston
Operator State Abbreviation TX
Operator Postal Code 77002
Local Datetime 2012-05-06 03:26:00
Location Street Address 707 8 Ave S.e.
Location City Name Minneapolis
Location County Name Hennepin
Location State Abbreviation MN
Location Postal Code 55414
Location Latitude 44.98683 Google Maps OpenStreetMap
Location Longitude -93.241719 Google Maps OpenStreetMap
Nrc Rpt Datetime 2012-05-06 13:35:00
Nrc Rpt Num 1010706 NRC Report How to search
Commodity Released Type Natural Gas
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Ignite Ind Yes
Explode Ind No
Num Pub Evacuated 4.0
Incident Identified Datetime 2012-05-06 03:26:00
On Site Datetime 2012-05-06 03:57:00
Federal No
Location Type Public Property
Incident Area Type Underground
Incident Area Subtype Under Pavement
Crossing No
Pipe Facility Type Privately Owned
System Part Involved Main
Installation Year 1974.0
Pipe Diameter 3.0
Pipe Specification Aa
Pipe Manufacturer Unknown
Material Involved Plastic
Plastic Type Other
Wt Plastic Unknown Ind Unknown
Release Type Leak
Leak Type Pinhole
Class Location Type Class 3 Location
Est Cost Oper Paid 33144.0
Est Cost Prop Damage 55409.0
Est Cost Emergency 12068.0
Est Cost Other 0.0
Est Cost Unintentional Release 20.0
Prpty 100641.0
Commercial Affected 0.0
Industrial Affected 0.0
Residences Affected 12.0
Accident Psig 8.0
Normal Psig 8.0
Mop Psig 15.0
Accident Pressure Pressure Did Not Exceed Maop
Scada In Place Ind No
Accident Identifier Notification From Emergency Responder
Investigation Status No, the operator did not find that an investigation of the controller(s) actions or control room issues was necessary due to: (provide an explanation for why the operator did not investigate)
Investigation Status Details Pin hole leaks did not cause a pressure change that would have alerted gas control.
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Natural Force Damage
Cause Details Lightning
Natural Force Type Lightning
Lightning Subtype Secondary Impact Such As Resulting Nearby Fires
Nf Extreme Weather Ind No
Preparer Name C****** H S********
Preparer Title Gas Operations
Preparer Email C****************@c****************.com
Preparer Telephone 612-321-5203
Authorizer Name C****** S********
Authorizer Title Gas Operations
Authorizer Telephone 612-321-5203
Authorizer Email C****************@c****************.com
Narrative Lightning struck an electrical transformer, lines fell and started multiple car fires, the pavement was softened and heat reached the main. The heat transferred to the tracer wire and burned holes in the plastic main where it was touching.

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