GD incident on 2014-02-06 — MT

Operator
Northwestern Energy Llc
Cause
Natural Force Damage
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$15,000
Incident datetime
2014-02-06 18:55
Report number
Location
MT, GALLATIN
Narrative
This is nwe final submission of this report. No changes have been made from the original submission. The public service commission has been notified of the finalization.
Detailed record list
Occurred At
2014-02-06 18:55:00
Year
2014
Report Received Date
2014-03-06 00:00:00
Iyear
2014.0
Report Number
20140019.0
Supplemental Number
15841.0
Report Type
Supplemental Final
Operator Id
Name
Northwestern Energy Llc
Operator Street Address
3010 W. 69th St.
Operator City Name
Sioux Falls
Operator State Abbreviation
SD
Operator Postal Code
57108
Local Datetime
2014-02-06 18:55:00
Location Street Address
620 E. Peach
Location City Name
Bozeman
Location County Name
Gallatin
Location State Abbreviation
MT
Location Postal Code
59715-3034
Location Latitude
Location Longitude
Nrc Rpt Datetime
2014-02-07 00:59:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
Yes
Explode Ind
No
Incident Identified Datetime
2014-02-06 18:55:00
On Site Datetime
2014-02-06 19:01:00
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
1938.0
Pipe Diameter
1.25
Pipe Specification
Unknown
Pipe Manufacturer
Unknown
Material Involved
Steel
Steel Seam Type
Other
Steel Seam Type Details
Unknown
Wt Steel
0.14
Release Type
Rupture
Rupture Orient
Circumferential
Class Location Type
Class 2 Location
Est Cost Oper Paid
250000.0
Est Cost Prop Damage
15000.0
Est Cost Emergency
4500.0
Est Cost Other
0.0
Est Cost Unintentional Release
100.0
Prpty
269600.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
1.0
Accident Psig
33.0
Normal Psig
33.0
Mop Psig
35.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Notification From Emergency Responder
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
Natural Force Damage
Cause Details
Other Natural Force Damage
Natural Force Type
Other Natural Force Damage
Nf Other Details
Vegitation Root Pressure
Nf Extreme Weather Ind
No
Preparer Name
D**** M*******
Preparer Title
Dot Coordinator
Preparer Email
D*************@n***********.com
Preparer Telephone
406-497-3218
Preparer Fax
406-497-2048
Authorizer Name
D**** M*******
Authorizer Title
Dot Coordinator
Authorizer Telephone
406-497-3218
Authorizer Email
D*************@n***********.com
Narrative
This is nwe final submission of this report. No changes have been made from the original submission. The public service commission has been notified of the finalization.
Occurred At 2014-02-06 18:55:00
Year 2014
Report Received Date 2014-03-06 00:00:00
Iyear 2014.0
Report Number 20140019.0
Supplemental Number 15841.0
Report Type Supplemental Final
Operator Id 31632 PHMSA Enforcement
Name Northwestern Energy Llc
Operator Street Address 3010 W. 69th St.
Operator City Name Sioux Falls
Operator State Abbreviation SD
Operator Postal Code 57108
Local Datetime 2014-02-06 18:55:00
Location Street Address 620 E. Peach
Location City Name Bozeman
Location County Name Gallatin
Location State Abbreviation MT
Location Postal Code 59715-3034
Location Latitude 45.410759 Google Maps OpenStreetMap
Location Longitude -111.013908 Google Maps OpenStreetMap
Nrc Rpt Datetime 2014-02-07 00:59:00
Nrc Rpt Num 1073250 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
Incident Identified Datetime 2014-02-06 18:55:00
On Site Datetime 2014-02-06 19:01:00
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 1938.0
Pipe Diameter 1.25
Pipe Specification Unknown
Pipe Manufacturer Unknown
Material Involved Steel
Steel Seam Type Other
Steel Seam Type Details Unknown
Wt Steel 0.14
Release Type Rupture
Rupture Orient Circumferential
Class Location Type Class 2 Location
Est Cost Oper Paid 250000.0
Est Cost Prop Damage 15000.0
Est Cost Emergency 4500.0
Est Cost Other 0.0
Est Cost Unintentional Release 100.0
Prpty 269600.0
Commercial Affected 0.0
Industrial Affected 0.0
Residences Affected 1.0
Accident Psig 33.0
Normal Psig 33.0
Mop Psig 35.0
Accident Pressure Pressure Did Not Exceed Maop
Scada In Place Ind No
Accident Identifier Notification From Emergency Responder
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 Natural Force Damage
Cause Details Other Natural Force Damage
Natural Force Type Other Natural Force Damage
Nf Other Details Vegitation Root Pressure
Nf Extreme Weather Ind No
Preparer Name D**** M*******
Preparer Title Dot Coordinator
Preparer Email D*************@n***********.com
Preparer Telephone 406-497-3218
Preparer Fax 406-497-2048
Authorizer Name D**** M*******
Authorizer Title Dot Coordinator
Authorizer Telephone 406-497-3218
Authorizer Email D*************@n***********.com
Narrative This is nwe final submission of this report. No changes have been made from the original submission. The public service commission has been notified of the finalization.

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