GTG incident on 2013-01-28 — ND

Operator
Wbi Energy Transmission, Inc.
Cause
Locating Issue
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$9,000
Incident datetime
2013-01-28 16:40
Report number
Location
ND
Narrative
A trencher punctured a 2 inch natural gas line causing gas to be released to atmosphere. The damage occurred on a lateral pipeline transverse of a main transmission line. The main transmission line was marked, but the operator failed to mark the lateral line that was in proximity of the excavation. The gas lost during this incident was 4,187 mcf which exceeded the reporting threshold. Natural gas service was lost to the town of taylor, nd. Supplemental report 3/7/13 revised data in question c.3.A. From 2.375 to 2.
Detailed record list
Report Received Date
2013-02-20 00:00:00
Iyear
2013
Report Number
20130017
Supplemental Number
15816
Report Type
Supplemental Final
Operator Id
Name
Wbi Energy Transmission, Inc.
Operator Street Address
1250 West Century Avenue
Operator City Name
Bismarck
Operator State Abbreviation
ND
Operator Postal Code
58503
Local Datetime
2013-01-28 16:35:00
Location Latitude
Location Longitude
-102.4219444
Nrc Rpt Num
Nrc Rpt Datetime
2013-01-28 19:50:00
Commodity Released Type
Natural Gas
Unintentional Release
4187
Intentional Release
5
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2013-01-28 20:47:00
Restart Datetime
2013-01-29 00:05:00
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Incident Identified Datetime
2013-01-28 16:40:00
On Site Datetime
2013-01-28 20:25:00
On Off Shore
Onshore
Onshore State Abbreviation
Nd
Onshore Postal Code
58656
Onshore City Name
Taylor
Onshore County Name
Stark
Designated Location
Survey Station No.
Designated Name
0+65
Pipe Fac Name
Cabin Creek - Bismarck
Segment Name
Taylor Lateral
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
24
Crossing
No
Pipe Facility Type
Interstate
System Part Involved
Onshore Pipeline, Including Valve Sites
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
2
Pipe Wall Thickness
0.154
Pipe Smys
24000
Pipe Specification
Unknown
Pipe Seam Type
Seamless
Pipe Manufacturer
Unknown
Pipe Coating Type
None
Installation Year
1930
Manufactured Year
1930
Material Involved
Carbon Steel
Release Type
Mechanical Puncture
Puncture Axial
2
Puncture Circum
2.5
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
49
Heat Damage Ind
No
Non Heat Damage Ind
No
Hca Fatalities Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
15351
Est Cost Intentional Release
20
Est Cost Prop Damage
9000
Est Cost Emergency
250
Est Cost Other
25000
Est Cost Other Details
The Ldc Was Involved With Restoring Natural Gas Service To Customers.
Prpty
49621
Accident Psig
696
Mop Psig
832
Mop Cfr Section
Not On Omb-Approved Form When Submitted
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Length Segment Isolated
19964
Internal Inspection Ind
No
Other Inspection Ind
Yes
Internal Inspection Details
There Is No Commercially Available Inspection Tool To Accomodate 2" Pipe.
Operation Complications Ind
No
Pipeline Function
Transmission 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
Yes, specify investigation result(s): (select all that apply)
Invest Schedule Ind
Yes
Invest No Control Room Ind
Yes
Invest No Controller Ind
Yes
Employee Drug Test Ind
Yes
Contractor Drug Test Ind
No
Num Employees Tested
1
Num Employees Failed
0
Cause
Excavation Damage
Cause Details
Excavation Damage By Third Party
Ex Party Type
Excavation Damage By Third Party
Prior Notification Ind
Yes
One Call System Ind
Yes
Notify Cga Dirt
No
Pipeline Easement Row Ind
Yes
Excavator Type
Contractor
Excavator Equipment
Trencher
Work Performed
Electric
One Call Notified Ind
Yes
One Call Ticket Num
13004502
One Call Center Name
Ntms
Locator Type
Utility Owner
Visible Marks
No
Service Interruption
Yes
Service Interruption Hours
8
Root Cause Category
Locating Issue
Root Cause Type
Facility Not Marked Due To Locator Error
Preparer Name
K*** K***
Preparer Title
Dot Compliance Supervisor
Preparer Email
K********@w********.com
Preparer Telephone
406-359-7222
Preparer Fax
406-359-7244
Authorizer Name
K*** K***
Authorizer Title
Dot Compliance Supervisor
Authorizer Telephone
406-359-7222
Authorizer Email
K********@w********.com
Narrative
A trencher punctured a 2 inch natural gas line causing gas to be released to atmosphere. The damage occurred on a lateral pipeline transverse of a main transmission line. The main transmission line was marked, but the operator failed to mark the lateral line that was in proximity of the excavation. The gas lost during this incident was 4,187 mcf which exceeded the reporting threshold. Natural gas service was lost to the town of taylor, nd. Supplemental report 3/7/13 revised data in question c.3.A. From 2.375 to 2.
Report Received Date 2013-02-20 00:00:00
Iyear 2013
Report Number 20130017
Supplemental Number 15816
Report Type Supplemental Final
Operator Id 22655 PHMSA Enforcement
Name Wbi Energy Transmission, Inc.
Operator Street Address 1250 West Century Avenue
Operator City Name Bismarck
Operator State Abbreviation ND
Operator Postal Code 58503
Local Datetime 2013-01-28 16:35:00
Location Latitude 46.8475 Google Maps OpenStreetMap
Location Longitude -102.4219444 Google Maps OpenStreetMap
Nrc Rpt Num 1036884 NRC Report How to search
Nrc Rpt Datetime 2013-01-28 19:50:00
Commodity Released Type Natural Gas
Unintentional Release 4187
Intentional Release 5
Accompanying Liquid 0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Shutdown Due Accident Ind Yes
Shutdown Datetime 2013-01-28 20:47:00
Restart Datetime 2013-01-29 00:05:00
Ignite Ind No
Explode Ind No
Num Pub Evacuated 0
Incident Identified Datetime 2013-01-28 16:40:00
On Site Datetime 2013-01-28 20:25:00
On Off Shore Onshore
Onshore State Abbreviation Nd
Onshore Postal Code 58656
Onshore City Name Taylor
Onshore County Name Stark
Designated Location Survey Station No.
Designated Name 0+65
Pipe Fac Name Cabin Creek - Bismarck
Segment Name Taylor Lateral
Federal No
Location Type Pipeline Right-Of-Way
Incident Area Type Underground
Incident Area Subtype Under Soil
Depth Of Cover 24
Crossing No
Pipe Facility Type Interstate
System Part Involved Onshore Pipeline, Including Valve Sites
Item Involved Pipe
Pipe Type Pipe Body
Pipe Diameter 2
Pipe Wall Thickness 0.154
Pipe Smys 24000
Pipe Specification Unknown
Pipe Seam Type Seamless
Pipe Manufacturer Unknown
Pipe Coating Type None
Installation Year 1930
Manufactured Year 1930
Material Involved Carbon Steel
Release Type Mechanical Puncture
Puncture Axial 2
Puncture Circum 2.5
Class Location Type Class 1 Location
Could Be Hca No
Pir Radius 49
Heat Damage Ind No
Non Heat Damage Ind No
Hca Fatalities Ind No
Est Cost Oper Paid 0
Est Cost Unintentional Release 15351
Est Cost Intentional Release 20
Est Cost Prop Damage 9000
Est Cost Emergency 250
Est Cost Other 25000
Est Cost Other Details The Ldc Was Involved With Restoring Natural Gas Service To Customers.
Prpty 49621
Accident Psig 696
Mop Psig 832
Mop Cfr Section Not On Omb-Approved Form When Submitted View CFR 49 §192
Accident Pressure Pressure Did Not Exceed Maop
Pressure Restriction Ind No
Upstream Valve Type Ind Manual
Downstream Valve Type Ind Manual
Length Segment Isolated 19964
Internal Inspection Ind No
Other Inspection Ind Yes
Internal Inspection Details There Is No Commercially Available Inspection Tool To Accomodate 2" Pipe.
Operation Complications Ind No
Pipeline Function Transmission 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 Yes, specify investigation result(s): (select all that apply)
Invest Schedule Ind Yes
Invest No Control Room Ind Yes
Invest No Controller Ind Yes
Employee Drug Test Ind Yes
Contractor Drug Test Ind No
Num Employees Tested 1
Num Employees Failed 0
Cause Excavation Damage
Cause Details Excavation Damage By Third Party
Ex Party Type Excavation Damage By Third Party
Prior Notification Ind Yes
One Call System Ind Yes
Notify Cga Dirt No
Pipeline Easement Row Ind Yes
Excavator Type Contractor
Excavator Equipment Trencher
Work Performed Electric
One Call Notified Ind Yes
One Call Ticket Num 13004502
One Call Center Name Ntms
Locator Type Utility Owner
Visible Marks No
Service Interruption Yes
Service Interruption Hours 8
Root Cause Category Locating Issue
Root Cause Type Facility Not Marked Due To Locator Error
Preparer Name K*** K***
Preparer Title Dot Compliance Supervisor
Preparer Email K********@w********.com
Preparer Telephone 406-359-7222
Preparer Fax 406-359-7244
Authorizer Name K*** K***
Authorizer Title Dot Compliance Supervisor
Authorizer Telephone 406-359-7222
Authorizer Email K********@w********.com
Narrative A trencher punctured a 2 inch natural gas line causing gas to be released to atmosphere. The damage occurred on a lateral pipeline transverse of a main transmission line. The main transmission line was marked, but the operator failed to mark the lateral line that was in proximity of the excavation. The gas lost during this incident was 4,187 mcf which exceeded the reporting threshold. Natural gas service was lost to the town of taylor, nd. Supplemental report 3/7/13 revised data in question c.3.A. From 2.375 to 2.

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