GTG incident on 2011-06-01 — TX

Operator
Gulf South Pipeline Company, Lp
Cause
Other Incident Cause
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$80,000
Incident datetime
2011-06-01 15:05
Report number
Location
TX
Narrative
Gulf south was in the process of performing a pigging project on the index 301-18 canton 6" in hinds county, mississippi, when notificed of a possible leak on the pipeline system at white oak creek crossing. Gulf south employees investigated and determined that there was a leak on the system and isolated the pipeline segment by closing block valves on each side of the incident location and blew the pipeline down to zero. A determination was made to install a new crossing due to the leak location within a ditch embankment. The pipeline section with the leak was abandoned in place. The new section is operating normally.
Detailed record list
Report Received Date
2011-06-29 00:00:00
Iyear
2011
Report Number
20110211
Supplemental Number
15280
Report Type
Original Final
Operator Id
Name
Gulf South Pipeline Company, Lp
Operator Street Address
9 Greenway Plaza Suite 2800
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77046
Local Datetime
2011-06-01 15:05:00
Location Latitude
Location Longitude
Nrc Rpt Num
Nrc Rpt Datetime
2011-06-01 15:35:00
Commodity Released Type
Natural Gas
Unintentional Release
227
Intentional Release
143
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2011-06-01 15:15:00
Restart Datetime
2011-06-07 21:25:00
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Incident Identified Datetime
2011-06-01 15:05:00
On Site Datetime
2011-06-01 15:15:00
On Off Shore
Onshore
Onshore State Abbreviation
Ms
Onshore Postal Code
39211
Onshore City Name
Jackson
Onshore County Name
Hinds
Designated Location
Milepost
Designated Name
070+60
Pipe Fac Name
Canton 6"
Segment Name
Index 301-18
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
240
Crossing
No
Pipe Facility Type
Interstate
System Part Involved
Onshore Pipeline, Including Valve Sites
Item Involved
Other
Item Involved Details
Undetermined
Installation Year
1973
Material Involved
Carbon Steel
Release Type
Other
Release Type Details
Unable To Determine Leak Size And Type Due To Leak Location In Ditch Embankment. A New Crossing Was Installed. Pipe Section With Leak Was Abandoned In Place.
Class Location Type
Class 3 Location
Could Be Hca
No
Pir Radius
98
Heat Damage Ind
No
Non Heat Damage Ind
No
Hca Fatalities Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
996
Est Cost Intentional Release
628
Est Cost Prop Damage
80000
Est Cost Emergency
200
Est Cost Other
0
Prpty
81824
Accident Psig
298
Mop Psig
405
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
7587
Internal Inspection Ind
No
Tight Mitered Ind
Yes
Other Restrictions Ind
Yes
Other Inspection Ind
Yes
Internal Inspection Details
Low Operating Pressures.
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
Notification From Public
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
Investigation leads to a determination the pipeline was operating at 298 psig, which is in the normal operating range.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Other Incident Cause
Cause Details
Unknown
Other Type
Unknown
Unknown Subtype
Investigation Complete, Cause Of Incident Unknown
Preparer Name
G**** F****
Preparer Title
Technical Specialist
Preparer Email
G**********@b*****.com
Preparer Telephone
662-781-1710
Preparer Fax
662-781-1712
Authorizer Name
J*** L* A****
Authorizer Title
Director Of Dot Compliance And Security
Authorizer Telephone
713-479-8099
Authorizer Email
J*********@b*****.com
Narrative
Gulf south was in the process of performing a pigging project on the index 301-18 canton 6" in hinds county, mississippi, when notificed of a possible leak on the pipeline system at white oak creek crossing. Gulf south employees investigated and determined that there was a leak on the system and isolated the pipeline segment by closing block valves on each side of the incident location and blew the pipeline down to zero. A determination was made to install a new crossing due to the leak location within a ditch embankment. The pipeline section with the leak was abandoned in place. The new section is operating normally.
Report Received Date 2011-06-29 00:00:00
Iyear 2011
Report Number 20110211
Supplemental Number 15280
Report Type Original Final
Operator Id 31728 PHMSA Enforcement
Name Gulf South Pipeline Company, Lp
Operator Street Address 9 Greenway Plaza Suite 2800
Operator City Name Houston
Operator State Abbreviation TX
Operator Postal Code 77046
Local Datetime 2011-06-01 15:05:00
Location Latitude 32.38402 Google Maps OpenStreetMap
Location Longitude -90.14187 Google Maps OpenStreetMap
Nrc Rpt Num 978146 NRC Report How to search
Nrc Rpt Datetime 2011-06-01 15:35:00
Commodity Released Type Natural Gas
Unintentional Release 227
Intentional Release 143
Accompanying Liquid 0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Shutdown Due Accident Ind Yes
Shutdown Datetime 2011-06-01 15:15:00
Restart Datetime 2011-06-07 21:25:00
Ignite Ind No
Explode Ind No
Num Pub Evacuated 0
Incident Identified Datetime 2011-06-01 15:05:00
On Site Datetime 2011-06-01 15:15:00
On Off Shore Onshore
Onshore State Abbreviation Ms
Onshore Postal Code 39211
Onshore City Name Jackson
Onshore County Name Hinds
Designated Location Milepost
Designated Name 070+60
Pipe Fac Name Canton 6"
Segment Name Index 301-18
Federal No
Location Type Pipeline Right-Of-Way
Incident Area Type Underground
Incident Area Subtype Under Soil
Depth Of Cover 240
Crossing No
Pipe Facility Type Interstate
System Part Involved Onshore Pipeline, Including Valve Sites
Item Involved Other
Item Involved Details Undetermined
Installation Year 1973
Material Involved Carbon Steel
Release Type Other
Release Type Details Unable To Determine Leak Size And Type Due To Leak Location In Ditch Embankment. A New Crossing Was Installed. Pipe Section With Leak Was Abandoned In Place.
Class Location Type Class 3 Location
Could Be Hca No
Pir Radius 98
Heat Damage Ind No
Non Heat Damage Ind No
Hca Fatalities Ind No
Est Cost Oper Paid 0
Est Cost Unintentional Release 996
Est Cost Intentional Release 628
Est Cost Prop Damage 80000
Est Cost Emergency 200
Est Cost Other 0
Prpty 81824
Accident Psig 298
Mop Psig 405
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 7587
Internal Inspection Ind No
Tight Mitered Ind Yes
Other Restrictions Ind Yes
Other Inspection Ind Yes
Internal Inspection Details Low Operating Pressures.
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 Notification From Public
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 Investigation leads to a determination the pipeline was operating at 298 psig, which is in the normal operating range.
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Other Incident Cause
Cause Details Unknown
Other Type Unknown
Unknown Subtype Investigation Complete, Cause Of Incident Unknown
Preparer Name G**** F****
Preparer Title Technical Specialist
Preparer Email G**********@b*****.com
Preparer Telephone 662-781-1710
Preparer Fax 662-781-1712
Authorizer Name J*** L* A****
Authorizer Title Director Of Dot Compliance And Security
Authorizer Telephone 713-479-8099
Authorizer Email J*********@b*****.com
Narrative Gulf south was in the process of performing a pigging project on the index 301-18 canton 6" in hinds county, mississippi, when notificed of a possible leak on the pipeline system at white oak creek crossing. Gulf south employees investigated and determined that there was a leak on the system and isolated the pipeline segment by closing block valves on each side of the incident location and blew the pipeline down to zero. A determination was made to install a new crossing due to the leak location within a ditch embankment. The pipeline section with the leak was abandoned in place. The new section is operating normally.

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