GD incident on 2014-10-31 — IN

Operator
Northern Indiana Public Service Co
Cause
Natural Force Damage
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$650
Incident datetime
2014-10-31 14:33
Report number
Location
IN, PORTER
Narrative
Large oak tree fell due to high winds. Tree roots pulled service line below ground causing damage to facility. A concrete patio was covered the service line (approx 12'x12') adjacent to the back of home near the utility room and garage. It appears the leaking gas migrated into the structure from under the patio. The homeowner was outside reviewing the tree damage when the explosion occured.
Detailed record list
Occurred At
2014-10-31 14:33:00
Year
2014
Report Received Date
2014-11-04 00:00:00
Iyear
2014.0
Report Number
20140095.0
Supplemental Number
16075.0
Report Type
Supplemental Final
Operator Id
Name
Northern Indiana Public Service Co
Operator Street Address
801 E 86th Avenue
Operator City Name
Merrillville
Operator State Abbreviation
IN
Operator Postal Code
46410
Local Datetime
2014-10-31 14:02:00
Location Street Address
2404 Venus St.
Location City Name
Portage
Location County Name
Porter
Location State Abbreviation
IN
Location Postal Code
46368
Location Latitude
Location Longitude
Nrc Rpt Datetime
2014-10-31 16:21:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Unintentional Release
12.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
Yes
Explode Ind
Yes
Num Pub Evacuated
0.0
Incident Identified Datetime
2014-10-31 14:33:00
On Site Datetime
2014-10-31 15:16:00
Federal
No
Location Type
Private Property
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Service
Installation Year
1963.0
Pipe Diameter
0.75
Pipe Specification
Unknown
Pipe Manufacturer
Unknown
Material Involved
Steel
Steel Seam Type
Other
Steel Seam Type Details
Unknown
Release Type
Leak
Leak Type
Connection Failure
Class Location Type
Class 3 Location
Est Cost Oper Paid
75000.0
Est Cost Prop Damage
650.0
Est Cost Emergency
2000.0
Est Cost Other
0.0
Est Cost Unintentional Release
60.0
Prpty
77710.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
1.0
Accident Psig
40.0
Normal Psig
40.0
Mop Psig
60.0
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
The facility involved and leak were small in nature compared to the system, therefore it would not effect pressure on the system.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Natural Force Damage
Cause Details
Other Natural Force Damage
Natural Force Type
Other Natural Force Damage
Nf Other Details
High Winds Knocked Over Large Oak Tree
Nf Extreme Weather Ind
No
Preparer Name
L*** E* S******
Preparer Title
Manager Pipeline Safety And Compliance
Preparer Email
L********@n*******.com
Preparer Telephone
260-433-6115
Preparer Fax
260-422-9151
Authorizer Name
L*** E* S******
Authorizer Title
Manager Pipeline Safety And Compliance
Authorizer Telephone
260-433-6115
Authorizer Email
L********@n*******.com
Narrative
Large oak tree fell due to high winds. Tree roots pulled service line below ground causing damage to facility. A concrete patio was covered the service line (approx 12'x12') adjacent to the back of home near the utility room and garage. It appears the leaking gas migrated into the structure from under the patio. The homeowner was outside reviewing the tree damage when the explosion occured.
Occurred At 2014-10-31 14:33:00
Year 2014
Report Received Date 2014-11-04 00:00:00
Iyear 2014.0
Report Number 20140095.0
Supplemental Number 16075.0
Report Type Supplemental Final
Operator Id 13730 PHMSA Enforcement
Name Northern Indiana Public Service Co
Operator Street Address 801 E 86th Avenue
Operator City Name Merrillville
Operator State Abbreviation IN
Operator Postal Code 46410
Local Datetime 2014-10-31 14:02:00
Location Street Address 2404 Venus St.
Location City Name Portage
Location County Name Porter
Location State Abbreviation IN
Location Postal Code 46368
Location Latitude 41.582431 Google Maps OpenStreetMap
Location Longitude -87.173083 Google Maps OpenStreetMap
Nrc Rpt Datetime 2014-10-31 16:21:00
Nrc Rpt Num 1099878 NRC Report How to search
Commodity Released Type Natural Gas
Unintentional Release 12.0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Ignite Ind Yes
Explode Ind Yes
Num Pub Evacuated 0.0
Incident Identified Datetime 2014-10-31 14:33:00
On Site Datetime 2014-10-31 15:16:00
Federal No
Location Type Private Property
Incident Area Type Underground
Incident Area Subtype Under Soil
Crossing No
Pipe Facility Type Privately Owned
System Part Involved Service
Installation Year 1963.0
Pipe Diameter 0.75
Pipe Specification Unknown
Pipe Manufacturer Unknown
Material Involved Steel
Steel Seam Type Other
Steel Seam Type Details Unknown
Release Type Leak
Leak Type Connection Failure
Class Location Type Class 3 Location
Est Cost Oper Paid 75000.0
Est Cost Prop Damage 650.0
Est Cost Emergency 2000.0
Est Cost Other 0.0
Est Cost Unintentional Release 60.0
Prpty 77710.0
Commercial Affected 0.0
Industrial Affected 0.0
Residences Affected 1.0
Accident Psig 40.0
Normal Psig 40.0
Mop Psig 60.0
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 The facility involved and leak were small in nature compared to the system, therefore it would not effect pressure on the system.
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Natural Force Damage
Cause Details Other Natural Force Damage
Natural Force Type Other Natural Force Damage
Nf Other Details High Winds Knocked Over Large Oak Tree
Nf Extreme Weather Ind No
Preparer Name L*** E* S******
Preparer Title Manager Pipeline Safety And Compliance
Preparer Email L********@n*******.com
Preparer Telephone 260-433-6115
Preparer Fax 260-422-9151
Authorizer Name L*** E* S******
Authorizer Title Manager Pipeline Safety And Compliance
Authorizer Telephone 260-433-6115
Authorizer Email L********@n*******.com
Narrative Large oak tree fell due to high winds. Tree roots pulled service line below ground causing damage to facility. A concrete patio was covered the service line (approx 12'x12') adjacent to the back of home near the utility room and garage. It appears the leaking gas migrated into the structure from under the patio. The homeowner was outside reviewing the tree damage when the explosion occured.

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