GTG incident on 2022-11-29 — IA

Operator
Black Hills Energy
Cause
Other Outside Force Damage
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$255,026
Incident datetime
2022-11-29 13:53
Report number
Location
IA
Narrative
On 11-29-2022 at approximately 13:53, a 6" top of ground transmission line was identified as being shot by a hunter with a bullet. Pressure dropped and stabilized at 325lbs at approximately 18:19. Repairs began 12-03-2022 for installing a bypass, pressure testing, and replacing pipe. Blowing gas was stopped at approximately 20:31. Repairs were finished and normal operations were restored 12-04-2022 at approximately 10:30.
Detailed record list
Report Received Date
2022-12-20 00:00:00
Iyear
2022
Report Number
20220134
Supplemental Number
37660
Report Type
Supplemental Final
Operator Id
Name
Black Hills Energy
Operator Street Address
2287 College Road Po Box 2006
Operator City Name
Council Bluffs
Operator State Abbreviation
IA
Operator Postal Code
51502
Local Datetime
2022-12-02 00:01:00
Time Zone
Mountain
Daylight Savings Ind
No
Location Latitude
Location Longitude
-108.9357761
Nrc Rpt Num
Nrc Rpt Datetime
2022-12-02 13:50:00
Additional Nrc Report Numbers
1354119
Commodity Released Type
Natural Gas
Unintentional Release
5212
Intentional Release
0.5
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Status When Identified
Normal Operation, Includes Pauses During Maintenance
Shutdown Due Accident Ind
No
Shutdown Explain
Bypassed For Repair, Not Shut Down
Communication State Fed Ind
Yes
Party Initiated Communication
Operator
Initial Responder Com Datetime
2022-11-29 18:45:00
Ignite Ind
No
Upstream Action Taken
Operational Control
Upstream Oprtnl Cntrl Detail
Gas Control Monitored Pressure Until Repairs Were Made.
Downstream Action Taken
Operational Control
Downstream Oprtnl Cntrl Detail
Gas Control Monitored Pressure Until Repairs Were Made.
Num Pub Evacuated
0
Incident Identified Datetime
2022-11-29 13:53:00
On Site Datetime
2022-11-29 13:53:00
On Off Shore
Onshore
Onshore State Abbreviation
Wy
Onshore Postal Code
82414
Onshore City Name
Not Within A Municipality
Onshore County Name
Park
Designated Location
Not Applicable
Pipe Fac Name
Junction To Meeteetse
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance
Crossing
No
Pipe Facility Type
Intrastate
System Part Involved
Onshore Pipeline, Including Valve Sites
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
6
Puddle Weld Ind
No
Pipe Wall Thickness
0.156
Pipe Smys
Unknown
Pipe Specification
Unknown
Pipe Seam Type
Longitudinal Erw - Unknown Frequency
Pipe Manufacturer
Unknown
Pipe Coating Type
None
Coating Applied Ind
No
Installation Year
Unknown
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Other
Release Type Details
.38 Diameter Of The Hole
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
106
Heat Damage Ind
No
Non Heat Damage Ind
No
Did Occur In Mca Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
32731
Est Cost Intentional Release
3
Est Cost Prop Damage
255026
Est Cost Emergency
15000
Est Cost Other
0
Gas Cost In Mcf
6.28
Prpty
302760
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Wildlife Impact Ind
No
Accident Psig
340
Gas Flow In Pipe In Mcf
1750
Mop Psig
440
Mop Cfr Section
Mop Cfr Section Details
Default Min On Materials
Maop Established Date
1900-01-01 00:00:00
Maop Reversal Flow Ind
No
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Gas Required Odorized Ind
No
Length Segment Isolated
15840
Internal Inspection Ind
No
Unsuitable Mainline Ind
Yes
Tight Mitered Ind
Yes
Operation Complications Ind
No
Pipeline Function
Transmission Line Of Distribution System
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
Yes
Scada Conf Ind
Yes
Accident Identifier
Notification From Third Party That Caused The Incident
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
Third party damage to transmission line
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Other Outside Force Damage
Cause Details
Other Outside Force Damage
Outside Force Type
Other Outside Force Damage
Osf Other Details
Licensed Hunter On A Guided Tour Shot At Animal And Instead Hit An Above Ground Pipeline
Preparer Name
K*** B*****
Preparer Title
Pipeline Safety Professional
Preparer Email
K**********@b*************.com
Preparer Telephone
3078400590
Local Contact Name
R** W******
Local Contact Email
R**********@b*************.com
Local Contact Telephone
307-761-0068
Authorizer Name
K*** B*****
Authorizer Title
Pipeline Safety Professional
Authorizer Telephone
307-840-0590
Authorizer Email
K**********@b*************.com
Narrative
On 11-29-2022 at approximately 13:53, a 6" top of ground transmission line was identified as being shot by a hunter with a bullet. Pressure dropped and stabilized at 325lbs at approximately 18:19. Repairs began 12-03-2022 for installing a bypass, pressure testing, and replacing pipe. Blowing gas was stopped at approximately 20:31. Repairs were finished and normal operations were restored 12-04-2022 at approximately 10:30.
Report Received Date 2022-12-20 00:00:00
Iyear 2022
Report Number 20220134
Supplemental Number 37660
Report Type Supplemental Final
Operator Id 15359 PHMSA Enforcement
Name Black Hills Energy
Operator Street Address 2287 College Road Po Box 2006
Operator City Name Council Bluffs
Operator State Abbreviation IA
Operator Postal Code 51502
Local Datetime 2022-12-02 00:01:00
Time Zone Mountain
Daylight Savings Ind No
Location Latitude 44.2583996 Google Maps OpenStreetMap
Location Longitude -108.9357761 Google Maps OpenStreetMap
Nrc Rpt Num 1353992 NRC Report How to search
Nrc Rpt Datetime 2022-12-02 13:50:00
Additional Nrc Report Numbers 1354119
Commodity Released Type Natural Gas
Unintentional Release 5212
Intentional Release 0.5
Accompanying Liquid 0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Status When Identified Normal Operation, Includes Pauses During Maintenance
Shutdown Due Accident Ind No
Shutdown Explain Bypassed For Repair, Not Shut Down
Communication State Fed Ind Yes
Party Initiated Communication Operator
Initial Responder Com Datetime 2022-11-29 18:45:00
Ignite Ind No
Upstream Action Taken Operational Control
Upstream Oprtnl Cntrl Detail Gas Control Monitored Pressure Until Repairs Were Made.
Downstream Action Taken Operational Control
Downstream Oprtnl Cntrl Detail Gas Control Monitored Pressure Until Repairs Were Made.
Num Pub Evacuated 0
Incident Identified Datetime 2022-11-29 13:53:00
On Site Datetime 2022-11-29 13:53:00
On Off Shore Onshore
Onshore State Abbreviation Wy
Onshore Postal Code 82414
Onshore City Name Not Within A Municipality
Onshore County Name Park
Designated Location Not Applicable
Pipe Fac Name Junction To Meeteetse
Federal No
Location Type Pipeline Right-Of-Way
Incident Area Type Aboveground
Incident Area Subtype Typical Aboveground Facility Piping Or Appurtenance
Crossing No
Pipe Facility Type Intrastate
System Part Involved Onshore Pipeline, Including Valve Sites
Item Involved Pipe
Pipe Type Pipe Body
Pipe Diameter 6
Puddle Weld Ind No
Pipe Wall Thickness 0.156
Pipe Smys Unknown
Pipe Specification Unknown
Pipe Seam Type Longitudinal Erw - Unknown Frequency
Pipe Manufacturer Unknown
Pipe Coating Type None
Coating Applied Ind No
Installation Year Unknown
Manufactured Year Unknown
Material Involved Carbon Steel
Release Type Other
Release Type Details .38 Diameter Of The Hole
Class Location Type Class 1 Location
Could Be Hca No
Pir Radius 106
Heat Damage Ind No
Non Heat Damage Ind No
Did Occur In Mca Ind No
Est Cost Oper Paid 0
Est Cost Unintentional Release 32731
Est Cost Intentional Release 3
Est Cost Prop Damage 255026
Est Cost Emergency 15000
Est Cost Other 0
Gas Cost In Mcf 6.28
Prpty 302760
Num Persons Hosp Not Ovnght 0
Num Injured Treated By Emt 0
Num Resident Building Affctd 0
Num Business Building Affctd 0
Wildlife Impact Ind No
Accident Psig 340
Gas Flow In Pipe In Mcf 1750
Mop Psig 440
Mop Cfr Section Other View CFR 49 §192
Mop Cfr Section Details Default Min On Materials
Maop Established Date 1900-01-01 00:00:00
Maop Reversal Flow Ind No
Accident Pressure Pressure Did Not Exceed Maop
Pressure Restriction Ind No
Gas Required Odorized Ind No
Length Segment Isolated 15840
Internal Inspection Ind No
Unsuitable Mainline Ind Yes
Tight Mitered Ind Yes
Operation Complications Ind No
Pipeline Function Transmission Line Of Distribution System
Scada In Place Ind Yes
Scada Operating Ind Yes
Scada Functional Ind Yes
Scada Detection Ind Yes
Scada Conf Ind Yes
Accident Identifier Notification From Third Party That Caused The Incident
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 Third party damage to transmission line
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Other Outside Force Damage
Cause Details Other Outside Force Damage
Outside Force Type Other Outside Force Damage
Osf Other Details Licensed Hunter On A Guided Tour Shot At Animal And Instead Hit An Above Ground Pipeline
Preparer Name K*** B*****
Preparer Title Pipeline Safety Professional
Preparer Email K**********@b*************.com
Preparer Telephone 3078400590
Local Contact Name R** W******
Local Contact Email R**********@b*************.com
Local Contact Telephone 307-761-0068
Authorizer Name K*** B*****
Authorizer Title Pipeline Safety Professional
Authorizer Telephone 307-840-0590
Authorizer Email K**********@b*************.com
Narrative On 11-29-2022 at approximately 13:53, a 6" top of ground transmission line was identified as being shot by a hunter with a bullet. Pressure dropped and stabilized at 325lbs at approximately 18:19. Repairs began 12-03-2022 for installing a bypass, pressure testing, and replacing pipe. Blowing gas was stopped at approximately 20:31. Repairs were finished and normal operations were restored 12-04-2022 at approximately 10:30.

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