Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2024-07-19 — KY
Operator
Southern Star Central Gas Pipeline, Inc
Cause
Excavation Issue
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$80,257
Incident datetime
2024-07-19 00:00 UTC
Report number
Location
KY
Narrative
On 6/22/2024 at 10:27 am cdt, a rupture and fire occurred on southern star central gas pipeline (sscgp) line xc where second-party contractors were working. The on-site contractor project foreman called local emergency response at 10:28 am then notified sscgp. There were no injuries that required inpatient hospitalization or deaths. One contractor employee received treatment on site for a minor cut. One residence approximately 900 feet from the location was evacuated as a precaution until the fire was extinguished, no damage at this residence. The line was isolated at 12:47 pm. The natural gas and equipment fire was extinguished by 4:00 pm. The non-operator property damage was equipment owned by the contractor and utility pole replacement. The result of the investigation: the excavator failed to maintain 24 inches of clearance to the side of the mainline and struck an abandoned 2 inch tap valve causing the pipeline rupture and fire.
Detailed record list
Report Received Date
2024-07-19 00:00:00
Iyear
2024
Report Number
20240093
Supplemental Number
40129
Report Type
Supplemental Final
Operator Id
31711
Name
Southern Star Central Gas Pipeline, Inc
Operator Street Address
4700 State Route 56; Box 20010
Operator City Name
Owensboro
Operator State Abbreviation
KY
Operator Postal Code
42301
Time Zone
Central
Daylight Savings Ind
Yes
Location Latitude
36.172141
Location Longitude
-96.446947
Nrc Rpt Num
1402617
Additional Nrc Report Numbers
1402772
Commodity Released Type
Natural Gas
Unintentional Release
11615
Intentional Release
0
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
Yes
Communication State Fed Ind
Yes
Party Initiated Communication
Operator
Ignite Ind
Yes
How Extinguished
Local/state/federal Emergency Responder
Gas Consumed By Fire In Mcf
11615
Explode Ind
Yes
Upstream Action Taken
Valve Closure
Downstream Action Taken
Valve Closure
Num Pub Evacuated
1
On Off Shore
Onshore
Onshore State Abbreviation
Ok
Onshore Postal Code
74081
Onshore City Name
Not Within A Municipality
Onshore County Name
Pawnee
Designated Location
Survey Station No.
Designated Name
110/627+90
Pipe Fac Name
Drumright-Tallant 12, 16, 18"
Segment Name
Line Xc
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Depth Of Cover
45
Other Underground Facilities
No
Crossing
No
Pipe Facility Type
Interstate
System Part Involved
Onshore Pipeline, Including Valve Sites
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
12.75
Puddle Weld Ind
No
Pipe Wall Thickness
0.203
Pipe Smys
46000
Pipe Specification
Api 5lx
Pipe Seam Type
Longitudinal Erw - Unknown Frequency
Pipe Manufacturer
Usst
Pipe Coating Type
Coal Tar
Coating Applied Ind
Yes
Installation Year
1985
Manufactured Year
1985
Material Involved
Carbon Steel
Release Type
Rupture
Rupture Orient
Longitudinal
Rupture Length
12
Rupture Width
36
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
233
Heat Damage Ind
No
Non Heat Damage Ind
No
Did Occur In Mca Ind
No
Est Cost Oper Paid
597674
Est Cost Unintentional Release
19281
Est Cost Intentional Release
0
Est Cost Prop Damage
80257
Est Cost Emergency
94742
Est Cost Other
0
Gas Cost In Mcf
1.66
Prpty
791954
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
1
Num Resident Building Affctd
1
Num Business Building Affctd
0
Wildlife Impact Ind
No
Accident Psig
458
Gas Flow In Pipe In Mcf
934
Mop Psig
690
Mop Cfr Section
192.619(A)(2)
Maop Established Date
1985-09-12 00:00:00
Maop Reversal Flow Ind
No
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Gas Required Odorized Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Length Segment Isolated
36350
Internal Inspection Ind
No
Diameter Change Ind
Yes
Operation Complications Ind
No
Pipeline Function
Transmission System
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
No
Scada Conf Ind
No
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Contractor Working For The Operator
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 controller's actions did not contribute to the event, when the call was received controllers followed procedure and contacted the gas control on call person immediately.
Employee Drug Test Ind
No
Contractor Drug Test Ind
Yes
Num Contractors Tested
8
Num Contractors Failed
0
Cause
Excavation Damage
Cause Details
Excavation Damage By Operator's Contractor (Second Party)
Ex Party Type
Excavation Damage By Operator's Contractor (Second Party)
Prior Notification Ind
Yes
One Call System Ind
Yes
Contractor Ind
Yes
State Law Exempt Ind
No
Notify Cga Dirt
Yes
Pipeline Easement Row Ind
Yes
Joint Trench Ind
No
Cross Bore Ind
No
Depth Of Grade
Measured Depth From Grade
Depth Of Grade Detail
45
Excavator Type
Contractor
Excavator Equipment
Backhoe/trackhoe
Work Performed
Natural Gas
One Call Notified Ind
Yes
One Call Ticket Num
2.40605e+13
One Call Center Name
Okie811
White Lined Ind
Yes
Locator Type
Facility Owner
Visible Marks
Yes
Service Interruption
No
Root Cause Category
Excavation Issue
Root Cause Type
Excavator Failed To Maintain Clearance After Verifying Marks
Preparer Name
E*** G****
Preparer Title
Phmsa Compliance Engineer
Preparer Email
E*********@s***********.com
Preparer Telephone
2702310561
Preparer Fax
270 8525016
Local Contact Name
C**** T*****
Local Contact Email
C***********@s***********.com
Local Contact Telephone
2703138424
Authorizer Name
C****** C****
Authorizer Title
Vp Chief Operations Officer
Authorizer Telephone
2708524626
Authorizer Email
C************@s***********.com
Narrative
On 6/22/2024 at 10:27 am cdt, a rupture and fire occurred on southern star central gas pipeline (sscgp) line xc where second-party contractors were working. The on-site contractor project foreman called local emergency response at 10:28 am then notified sscgp. There were no injuries that required inpatient hospitalization or deaths. One contractor employee received treatment on site for a minor cut. One residence approximately 900 feet from the location was evacuated as a precaution until the fire was extinguished, no damage at this residence. The line was isolated at 12:47 pm. The natural gas and equipment fire was extinguished by 4:00 pm. The non-operator property damage was equipment owned by the contractor and utility pole replacement. The result of the investigation: the excavator failed to maintain 24 inches of clearance to the side of the mainline and struck an abandoned 2 inch tap valve causing the pipeline rupture and fire.
| Report Received Date | 2024-07-19 00:00:00 |
|---|---|
| Iyear | 2024 |
| Report Number | 20240093 |
| Supplemental Number | 40129 |
| Report Type | Supplemental Final |
| Operator Id | 31711 PHMSA Enforcement |
| Name | Southern Star Central Gas Pipeline, Inc |
| Operator Street Address | 4700 State Route 56; Box 20010 |
| Operator City Name | Owensboro |
| Operator State Abbreviation | KY |
| Operator Postal Code | 42301 |
| Time Zone | Central |
| Daylight Savings Ind | Yes |
| Location Latitude | 36.172141 Google Maps OpenStreetMap |
| Location Longitude | -96.446947 Google Maps OpenStreetMap |
| Nrc Rpt Num | 1402617 NRC Report How to search |
| Additional Nrc Report Numbers | 1402772 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 11615 |
| Intentional Release | 0 |
| 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 | Yes |
| Communication State Fed Ind | Yes |
| Party Initiated Communication | Operator |
| Ignite Ind | Yes |
| How Extinguished | Local/state/federal Emergency Responder |
| Gas Consumed By Fire In Mcf | 11615 |
| Explode Ind | Yes |
| Upstream Action Taken | Valve Closure |
| Downstream Action Taken | Valve Closure |
| Num Pub Evacuated | 1 |
| On Off Shore | Onshore |
| Onshore State Abbreviation | Ok |
| Onshore Postal Code | 74081 |
| Onshore City Name | Not Within A Municipality |
| Onshore County Name | Pawnee |
| Designated Location | Survey Station No. |
| Designated Name | 110/627+90 |
| Pipe Fac Name | Drumright-Tallant 12, 16, 18" |
| Segment Name | Line Xc |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Exposed Due To Excavation |
| Depth Of Cover | 45 |
| Other Underground Facilities | No |
| Crossing | No |
| Pipe Facility Type | Interstate |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 12.75 |
| Puddle Weld Ind | No |
| Pipe Wall Thickness | 0.203 |
| Pipe Smys | 46000 |
| Pipe Specification | Api 5lx |
| Pipe Seam Type | Longitudinal Erw - Unknown Frequency |
| Pipe Manufacturer | Usst |
| Pipe Coating Type | Coal Tar |
| Coating Applied Ind | Yes |
| Installation Year | 1985 |
| Manufactured Year | 1985 |
| Material Involved | Carbon Steel |
| Release Type | Rupture |
| Rupture Orient | Longitudinal |
| Rupture Length | 12 |
| Rupture Width | 36 |
| Class Location Type | Class 1 Location |
| Could Be Hca | No |
| Pir Radius | 233 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Did Occur In Mca Ind | No |
| Est Cost Oper Paid | 597674 |
| Est Cost Unintentional Release | 19281 |
| Est Cost Intentional Release | 0 |
| Est Cost Prop Damage | 80257 |
| Est Cost Emergency | 94742 |
| Est Cost Other | 0 |
| Gas Cost In Mcf | 1.66 |
| Prpty | 791954 |
| Num Persons Hosp Not Ovnght | 0 |
| Num Injured Treated By Emt | 1 |
| Num Resident Building Affctd | 1 |
| Num Business Building Affctd | 0 |
| Wildlife Impact Ind | No |
| Accident Psig | 458 |
| Gas Flow In Pipe In Mcf | 934 |
| Mop Psig | 690 |
| Mop Cfr Section | 192.619(A)(2) View CFR 49 §192 |
| Maop Established Date | 1985-09-12 00:00:00 |
| Maop Reversal Flow Ind | No |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Pressure Restriction Ind | No |
| Gas Required Odorized Ind | No |
| Upstream Valve Type Ind | Manual |
| Downstream Valve Type Ind | Manual |
| Length Segment Isolated | 36350 |
| Internal Inspection Ind | No |
| Diameter Change Ind | Yes |
| Operation Complications Ind | No |
| Pipeline Function | Transmission System |
| Scada In Place Ind | Yes |
| Scada Operating Ind | Yes |
| Scada Functional Ind | Yes |
| Scada Detection Ind | No |
| Scada Conf Ind | No |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Contractor Working For The Operator |
| 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 controller's actions did not contribute to the event, when the call was received controllers followed procedure and contacted the gas control on call person immediately. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | Yes |
| Num Contractors Tested | 8 |
| Num Contractors Failed | 0 |
| Cause | Excavation Damage |
| Cause Details | Excavation Damage By Operator's Contractor (Second Party) |
| Ex Party Type | Excavation Damage By Operator's Contractor (Second Party) |
| Prior Notification Ind | Yes |
| One Call System Ind | Yes |
| Contractor Ind | Yes |
| State Law Exempt Ind | No |
| Notify Cga Dirt | Yes |
| Pipeline Easement Row Ind | Yes |
| Joint Trench Ind | No |
| Cross Bore Ind | No |
| Depth Of Grade | Measured Depth From Grade |
| Depth Of Grade Detail | 45 |
| Excavator Type | Contractor |
| Excavator Equipment | Backhoe/trackhoe |
| Work Performed | Natural Gas |
| One Call Notified Ind | Yes |
| One Call Ticket Num | 2.40605e+13 |
| One Call Center Name | Okie811 |
| White Lined Ind | Yes |
| Locator Type | Facility Owner |
| Visible Marks | Yes |
| Service Interruption | No |
| Root Cause Category | Excavation Issue |
| Root Cause Type | Excavator Failed To Maintain Clearance After Verifying Marks |
| Preparer Name | E*** G**** |
| Preparer Title | Phmsa Compliance Engineer |
| Preparer Email | E*********@s***********.com |
| Preparer Telephone | 2702310561 |
| Preparer Fax | 270 8525016 |
| Local Contact Name | C**** T***** |
| Local Contact Email | C***********@s***********.com |
| Local Contact Telephone | 2703138424 |
| Authorizer Name | C****** C**** |
| Authorizer Title | Vp Chief Operations Officer |
| Authorizer Telephone | 2708524626 |
| Authorizer Email | C************@s***********.com |
| Narrative | On 6/22/2024 at 10:27 am cdt, a rupture and fire occurred on southern star central gas pipeline (sscgp) line xc where second-party contractors were working. The on-site contractor project foreman called local emergency response at 10:28 am then notified sscgp. There were no injuries that required inpatient hospitalization or deaths. One contractor employee received treatment on site for a minor cut. One residence approximately 900 feet from the location was evacuated as a precaution until the fire was extinguished, no damage at this residence. The line was isolated at 12:47 pm. The natural gas and equipment fire was extinguished by 4:00 pm. The non-operator property damage was equipment owned by the contractor and utility pole replacement. The result of the investigation: the excavator failed to maintain 24 inches of clearance to the side of the mainline and struck an abandoned 2 inch tap valve causing the pipeline rupture and fire. |
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