Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2011-06-10 — TX
Operator
Atmos Pipeline - Texas
Cause
Miscellaneous Root Causes
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$24,383
Incident datetime
2011-06-10 10:28
Report number
Location
TX
Narrative
Company and contract personnel on site performing ili pigging operations. During pigging operations, pipeline failure occurred 759 feet from station (river junction) and end of pipeline l8(3rd) (station 0+00). Pipeline was placed out of service for investigation, and the damaged pipe sent to stork labs in houston, texas to be analyzed. Results of the examination indicated that the pipe had been longitudinally gouged by outside forces consistent with a backhoe or similar equipment. There are no records of the pipe being damaged in the area. Pipeline remains out of service while ongoing remediation activities are being performed.
Detailed record list
Report Received Date
2011-07-07 00:00:00
Iyear
2011
Report Number
20110231
Supplemental Number
15362
Report Type
Supplemental Final
Operator Id
31978
Name
Atmos Pipeline - Texas
Operator Street Address
5420 Lbj Freeway, Suite 1800
Operator City Name
Dallas
Operator State Abbreviation
TX
Operator Postal Code
75240
Local Datetime
2011-06-10 10:28:00
Location Latitude
31.54837
Location Longitude
-97.08405
Nrc Rpt Num
979271
Nrc Rpt Datetime
2011-06-10 13:18:00
Commodity Released Type
Natural Gas
Unintentional Release
1059
Intentional Release
1074
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2011-06-10 10:48:00
Still Shutdown Ind
Yes
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Incident Identified Datetime
2011-06-10 10:28:00
On Site Datetime
2011-06-10 10:28:00
On Off Shore
Onshore
Onshore State Abbreviation
Tx
Onshore Postal Code
76705
Onshore City Name
Waco
Onshore County Name
Mclennan
Designated Location
Survey Station No.
Designated Name
7+59
Pipe Fac Name
Atmos Pipeline - Texas
Segment Name
L8 (3rd)
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
48
Crossing
No
Pipe Facility Type
Intrastate
System Part Involved
Onshore Pipeline, Including Valve Sites
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
12.75
Pipe Wall Thickness
0.25
Pipe Smys
35000
Pipe Specification
B35
Pipe Seam Type
Lap Welded
Pipe Manufacturer
Unknown
Pipe Coating Type
Coal Tar
Installation Year
1952
Manufactured Year
1952
Material Involved
Carbon Steel
Release Type
Rupture
Rupture Orient
Longitudinal
Rupture Length
19
Rupture Width
46.5
Class Location Type
Class 2 Location
Could Be Hca
No
Pir Radius
197
Heat Damage Ind
No
Non Heat Damage Ind
No
Hca Fatalities Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
5073
Est Cost Intentional Release
5351
Est Cost Prop Damage
24383
Est Cost Emergency
2016
Est Cost Other
50000
Est Cost Other Details
Damaged Mfl Tool
Prpty
86823
Accident Psig
348
Mop Psig
500
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
53377
Internal Inspection 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
Operator Employee
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
Operations personnel had pipeline configured for performing pigging operations at time of incident and were on site.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Excavation Damage
Cause Details
Previous Damage Due To Excavation Activity
Ex Party Type
Previous Damage Due To Excavation Activity
Notify Cga Dirt
Yes
Pipeline Easement Row Ind
Yes
Excavator Type
Unknown/other
Excavator Equipment
Unknown/other
Work Performed
Unknown/other
One Call Notified Ind
No
Locator Type
Unknown/other
Visible Marks
Unknown/other
Service Interruption
No
Root Cause Category
Miscellaneous Root Causes
Root Cause Type
Root Cause Not Listed (Comment Required)
Root Cause Type Other
Data Not Collected
Collected Data Ind
Yes
Axial Magnetic Flx Lkg Ind
Yes
Geometry Deformation Ind
Yes
Other Tool Tech Ind
Yes
Axial Recent Year
2011
Geometry Recent Year
2011
Other Tool
Gauge Plate Pig
Other Recent Year
2011
Insp Compl Before Damage Ind
No
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
T**** A* C****
Preparer Title
Operations Supervisor
Preparer Email
T**********@a**********.com
Preparer Telephone
254-662-7434
Preparer Fax
254-662-7400
Authorizer Name
P**** R*******
Authorizer Title
Vice President - Technical Services
Authorizer Telephone
214-206-2807
Authorizer Email
P*************@a**********.com
Narrative
Company and contract personnel on site performing ili pigging operations. During pigging operations, pipeline failure occurred 759 feet from station (river junction) and end of pipeline l8(3rd) (station 0+00). Pipeline was placed out of service for investigation, and the damaged pipe sent to stork labs in houston, texas to be analyzed. Results of the examination indicated that the pipe had been longitudinally gouged by outside forces consistent with a backhoe or similar equipment. There are no records of the pipe being damaged in the area. Pipeline remains out of service while ongoing remediation activities are being performed.
| Report Received Date | 2011-07-07 00:00:00 |
|---|---|
| Iyear | 2011 |
| Report Number | 20110231 |
| Supplemental Number | 15362 |
| Report Type | Supplemental Final |
| Operator Id | 31978 PHMSA Enforcement |
| Name | Atmos Pipeline - Texas |
| Operator Street Address | 5420 Lbj Freeway, Suite 1800 |
| Operator City Name | Dallas |
| Operator State Abbreviation | TX |
| Operator Postal Code | 75240 |
| Local Datetime | 2011-06-10 10:28:00 |
| Location Latitude | 31.54837 Google Maps OpenStreetMap |
| Location Longitude | -97.08405 Google Maps OpenStreetMap |
| Nrc Rpt Num | 979271 NRC Report How to search |
| Nrc Rpt Datetime | 2011-06-10 13:18:00 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 1059 |
| Intentional Release | 1074 |
| Accompanying Liquid | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2011-06-10 10:48:00 |
| Still Shutdown Ind | Yes |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Incident Identified Datetime | 2011-06-10 10:28:00 |
| On Site Datetime | 2011-06-10 10:28:00 |
| On Off Shore | Onshore |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 76705 |
| Onshore City Name | Waco |
| Onshore County Name | Mclennan |
| Designated Location | Survey Station No. |
| Designated Name | 7+59 |
| Pipe Fac Name | Atmos Pipeline - Texas |
| Segment Name | L8 (3rd) |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 48 |
| Crossing | No |
| Pipe Facility Type | Intrastate |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 12.75 |
| Pipe Wall Thickness | 0.25 |
| Pipe Smys | 35000 |
| Pipe Specification | B35 |
| Pipe Seam Type | Lap Welded |
| Pipe Manufacturer | Unknown |
| Pipe Coating Type | Coal Tar |
| Installation Year | 1952 |
| Manufactured Year | 1952 |
| Material Involved | Carbon Steel |
| Release Type | Rupture |
| Rupture Orient | Longitudinal |
| Rupture Length | 19 |
| Rupture Width | 46.5 |
| Class Location Type | Class 2 Location |
| Could Be Hca | No |
| Pir Radius | 197 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Hca Fatalities Ind | No |
| Est Cost Oper Paid | 0 |
| Est Cost Unintentional Release | 5073 |
| Est Cost Intentional Release | 5351 |
| Est Cost Prop Damage | 24383 |
| Est Cost Emergency | 2016 |
| Est Cost Other | 50000 |
| Est Cost Other Details | Damaged Mfl Tool |
| Prpty | 86823 |
| Accident Psig | 348 |
| Mop Psig | 500 |
| 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 | 53377 |
| Internal Inspection 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 | Operator Employee |
| 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 | Operations personnel had pipeline configured for performing pigging operations at time of incident and were on site. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Excavation Damage |
| Cause Details | Previous Damage Due To Excavation Activity |
| Ex Party Type | Previous Damage Due To Excavation Activity |
| Notify Cga Dirt | Yes |
| Pipeline Easement Row Ind | Yes |
| Excavator Type | Unknown/other |
| Excavator Equipment | Unknown/other |
| Work Performed | Unknown/other |
| One Call Notified Ind | No |
| Locator Type | Unknown/other |
| Visible Marks | Unknown/other |
| Service Interruption | No |
| Root Cause Category | Miscellaneous Root Causes |
| Root Cause Type | Root Cause Not Listed (Comment Required) |
| Root Cause Type Other | Data Not Collected |
| Collected Data Ind | Yes |
| Axial Magnetic Flx Lkg Ind | Yes |
| Geometry Deformation Ind | Yes |
| Other Tool Tech Ind | Yes |
| Axial Recent Year | 2011 |
| Geometry Recent Year | 2011 |
| Other Tool | Gauge Plate Pig |
| Other Recent Year | 2011 |
| Insp Compl Before Damage Ind | No |
| Has Hydrtst Conduc Before Ind | No |
| Direct Asmnt Conducted | No |
| Non Destructive Exam Ind | No |
| Preparer Name | T**** A* C**** |
| Preparer Title | Operations Supervisor |
| Preparer Email | T**********@a**********.com |
| Preparer Telephone | 254-662-7434 |
| Preparer Fax | 254-662-7400 |
| Authorizer Name | P**** R******* |
| Authorizer Title | Vice President - Technical Services |
| Authorizer Telephone | 214-206-2807 |
| Authorizer Email | P*************@a**********.com |
| Narrative | Company and contract personnel on site performing ili pigging operations. During pigging operations, pipeline failure occurred 759 feet from station (river junction) and end of pipeline l8(3rd) (station 0+00). Pipeline was placed out of service for investigation, and the damaged pipe sent to stork labs in houston, texas to be analyzed. Results of the examination indicated that the pipe had been longitudinally gouged by outside forces consistent with a backhoe or similar equipment. There are no records of the pipe being damaged in the area. Pipeline remains out of service while ongoing remediation activities are being performed. |
External Resources
PHMSA pipeline safety insights.
Product
Features
Company
All rights reserved. Copyright © by ClearPHMSA