Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2014-11-06 — TX
Operator
Southern Natural Gas Co
Cause
Notification Issue
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$43,837
Incident datetime
2014-11-06 10:15
Report number
Location
TX
Narrative
On november 6, 2014, southern natural gas line 34 (nashville line) was struck by a road grader where it crosses bradford rd in berrien county, ga. The road grader was being run by a berrien county road crew who had failed to make a one-call notification. Bradford road is unpaved at this location, and the pipeline is uncased. The road grader made a 2 in x 1 in puncture in the 3 inch pipeline. Sngs first notification of the incident came as a call from a nearby landowner to gas control at 10:15 am est. Gas control immediately called operations. The first person arrived at the upstream tap valve at 11:10 am est and had the valve shut within 5 minutes. There were two road graders, one cutting the ditch and a second grader following behind and grading the road. The first grader that was cutting the ditch is the grader that stuck the pipeline. There were sng pipeline markers on either side of bradford road where it was crossed by sng line 34. Report finalized on 1/21/2015 with not additional updates.
Detailed record list
Report Received Date
2014-12-03 00:00:00
Iyear
2014
Report Number
20140132
Supplemental Number
16619
Report Type
Supplemental Final
Operator Id
18516
Name
Southern Natural Gas Co
Operator Street Address
1001 Louisiana St, Ste 1000 Suite 1000
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2014-11-06 10:15:00
Location Latitude
31.03501
Location Longitude
-83.27374
Nrc Rpt Num
1100340
Nrc Rpt Datetime
2014-11-06 11:08:00
Commodity Released Type
Natural Gas
Unintentional Release
321
Intentional Release
0
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2014-11-06 11:43:00
Restart Datetime
2014-11-07 06:25:00
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
10
Incident Identified Datetime
2014-11-06 10:15:00
On Site Datetime
2014-11-06 11:10:00
On Off Shore
Onshore
Onshore State Abbreviation
Ga
Onshore Postal Code
31645
Onshore City Name
Ray City
Onshore County Name
Berrien
Designated Location
Milepost
Designated Name
1.95
Pipe Fac Name
Line 34 - Nashville Line
Segment Name
Line 34 - Nashville Line
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
48
Crossing
Yes
Road Crossing Ind
Yes
Road Type
Uncased
Pipe Facility Type
Interstate
System Part Involved
Onshore Pipeline, Including Valve Sites
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
3.5
Pipe Wall Thickness
0.188
Pipe Smys
35000
Pipe Specification
Api 5l
Pipe Seam Type
Longitudinal Erw - Low Frequency
Pipe Manufacturer
Republic
Pipe Coating Type
Coal Tar
Installation Year
1960
Manufactured Year
1960
Material Involved
Carbon Steel
Release Type
Mechanical Puncture
Puncture Axial
2
Puncture Circum
1
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
80
Heat Damage Ind
No
Non Heat Damage Ind
No
Hca Fatalities Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
1203
Est Cost Intentional Release
0
Est Cost Prop Damage
43837
Est Cost Emergency
3470
Est Cost Other
0
Prpty
48510
Accident Psig
935
Mop Psig
1078
Mop Cfr Section
192.619(A)(1)
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Length Segment Isolated
12
Internal Inspection Ind
No
Other Inspection Ind
Yes
Internal Inspection Details
To Small To Accommodate A Smart Pig
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
Yes
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
Controllers did not contribute to the incident
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Excavation Damage
Cause Details
Excavation Damage By Third Party
Ex Party Type
Excavation Damage By Third Party
Prior Notification Ind
No
Notify Cga Dirt
No
Public Row Ind
Yes
Public Subtype
County Road
Excavator Type
County
Excavator Equipment
Grader/scraper
Work Performed
Road Work
One Call Notified Ind
No
Locator Type
Unknown/other
Visible Marks
Unknown/other
Service Interruption
Yes
Service Interruption Hours
20
Root Cause Category
Notification Issue
Root Cause Type
No Notification Made To The One-Call Center/811
Preparer Name
Z****** R*****
Preparer Title
Engineer - Pipeline
Preparer Email
Z*************@k***********.com
Preparer Telephone
713-420-6633
Authorizer Name
Z****** R*****
Authorizer Title
Enginee - Pipeline
Authorizer Telephone
713-420-6633
Authorizer Email
Z*************@k***********.com
Narrative
On november 6, 2014, southern natural gas line 34 (nashville line) was struck by a road grader where it crosses bradford rd in berrien county, ga. The road grader was being run by a berrien county road crew who had failed to make a one-call notification. Bradford road is unpaved at this location, and the pipeline is uncased. The road grader made a 2 in x 1 in puncture in the 3 inch pipeline. Sngs first notification of the incident came as a call from a nearby landowner to gas control at 10:15 am est. Gas control immediately called operations. The first person arrived at the upstream tap valve at 11:10 am est and had the valve shut within 5 minutes. There were two road graders, one cutting the ditch and a second grader following behind and grading the road. The first grader that was cutting the ditch is the grader that stuck the pipeline. There were sng pipeline markers on either side of bradford road where it was crossed by sng line 34. Report finalized on 1/21/2015 with not additional updates.
| Report Received Date | 2014-12-03 00:00:00 |
|---|---|
| Iyear | 2014 |
| Report Number | 20140132 |
| Supplemental Number | 16619 |
| Report Type | Supplemental Final |
| Operator Id | 18516 PHMSA Enforcement |
| Name | Southern Natural Gas Co |
| Operator Street Address | 1001 Louisiana St, Ste 1000 Suite 1000 |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77002 |
| Local Datetime | 2014-11-06 10:15:00 |
| Location Latitude | 31.03501 Google Maps OpenStreetMap |
| Location Longitude | -83.27374 Google Maps OpenStreetMap |
| Nrc Rpt Num | 1100340 NRC Report How to search |
| Nrc Rpt Datetime | 2014-11-06 11:08:00 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 321 |
| Intentional Release | 0 |
| Accompanying Liquid | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2014-11-06 11:43:00 |
| Restart Datetime | 2014-11-07 06:25:00 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 10 |
| Incident Identified Datetime | 2014-11-06 10:15:00 |
| On Site Datetime | 2014-11-06 11:10:00 |
| On Off Shore | Onshore |
| Onshore State Abbreviation | Ga |
| Onshore Postal Code | 31645 |
| Onshore City Name | Ray City |
| Onshore County Name | Berrien |
| Designated Location | Milepost |
| Designated Name | 1.95 |
| Pipe Fac Name | Line 34 - Nashville Line |
| Segment Name | Line 34 - Nashville Line |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 48 |
| Crossing | Yes |
| Road Crossing Ind | Yes |
| Road Type | Uncased |
| Pipe Facility Type | Interstate |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 3.5 |
| Pipe Wall Thickness | 0.188 |
| Pipe Smys | 35000 |
| Pipe Specification | Api 5l |
| Pipe Seam Type | Longitudinal Erw - Low Frequency |
| Pipe Manufacturer | Republic |
| Pipe Coating Type | Coal Tar |
| Installation Year | 1960 |
| Manufactured Year | 1960 |
| Material Involved | Carbon Steel |
| Release Type | Mechanical Puncture |
| Puncture Axial | 2 |
| Puncture Circum | 1 |
| Class Location Type | Class 1 Location |
| Could Be Hca | No |
| Pir Radius | 80 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Hca Fatalities Ind | No |
| Est Cost Oper Paid | 0 |
| Est Cost Unintentional Release | 1203 |
| Est Cost Intentional Release | 0 |
| Est Cost Prop Damage | 43837 |
| Est Cost Emergency | 3470 |
| Est Cost Other | 0 |
| Prpty | 48510 |
| Accident Psig | 935 |
| Mop Psig | 1078 |
| Mop Cfr Section | 192.619(A)(1) 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 | 12 |
| Internal Inspection Ind | No |
| Other Inspection Ind | Yes |
| Internal Inspection Details | To Small To Accommodate A Smart Pig |
| 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 | Yes |
| 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 | Controllers did not contribute to the incident |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Excavation Damage |
| Cause Details | Excavation Damage By Third Party |
| Ex Party Type | Excavation Damage By Third Party |
| Prior Notification Ind | No |
| Notify Cga Dirt | No |
| Public Row Ind | Yes |
| Public Subtype | County Road |
| Excavator Type | County |
| Excavator Equipment | Grader/scraper |
| Work Performed | Road Work |
| One Call Notified Ind | No |
| Locator Type | Unknown/other |
| Visible Marks | Unknown/other |
| Service Interruption | Yes |
| Service Interruption Hours | 20 |
| Root Cause Category | Notification Issue |
| Root Cause Type | No Notification Made To The One-Call Center/811 |
| Preparer Name | Z****** R***** |
| Preparer Title | Engineer - Pipeline |
| Preparer Email | Z*************@k***********.com |
| Preparer Telephone | 713-420-6633 |
| Authorizer Name | Z****** R***** |
| Authorizer Title | Enginee - Pipeline |
| Authorizer Telephone | 713-420-6633 |
| Authorizer Email | Z*************@k***********.com |
| Narrative | On november 6, 2014, southern natural gas line 34 (nashville line) was struck by a road grader where it crosses bradford rd in berrien county, ga. The road grader was being run by a berrien county road crew who had failed to make a one-call notification. Bradford road is unpaved at this location, and the pipeline is uncased. The road grader made a 2 in x 1 in puncture in the 3 inch pipeline. Sngs first notification of the incident came as a call from a nearby landowner to gas control at 10:15 am est. Gas control immediately called operations. The first person arrived at the upstream tap valve at 11:10 am est and had the valve shut within 5 minutes. There were two road graders, one cutting the ditch and a second grader following behind and grading the road. The first grader that was cutting the ditch is the grader that stuck the pipeline. There were sng pipeline markers on either side of bradford road where it was crossed by sng line 34. Report finalized on 1/21/2015 with not additional updates. |
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