Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2019-01-29 — TX
Operator
Atmos Energy Corporation - Mid-Tex
Cause
Excavation Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$23,414
Incident datetime
2019-01-29 16:13
Report number
Location
TX, DALLAS
Narrative
48 hour nrc # 1236551 at approx. 16:13 on 1/29/2019, atmos energy was notified by our contract locator of an event in the area of inwood rd and harry hines blvd in dallas. A third party contractor boring in telecommunication damaged an 8-inch distribution main owned by atmos energy. Atmos crews were onsite by 17:48 on 1/29/2019. Atmos energy performed emergency actions needed to eliminate gas flow by isolating the damaged section of pipe. By utilizing engineering controls, the flow of gas was eliminated at 03:29 on 1/31/2019. The damaged section of 8-inch main was replaced and gas flow reinstated on 2/4/2019 at approximately 13:15. The damage did not cause an interruption in service as the line is a dual feed; no customers were affected. The one-call ticket number is 1952271822. The investigation indicates that the contractor failed to verify location by pot holing.
Detailed record list
Occurred At
2019-01-29 16:13:00
Year
2019
Report Received Date
2019-02-28 00:00:00
Iyear
2019.0
Report Number
20190018.0
Supplemental Number
32809.0
Report Type
Supplemental Final
Operator Id
31348
Name
Atmos Energy Corporation - Mid-Tex
Operator Street Address
5430 Lbj Freeway Suite 1800
Operator City Name
Dallas
Operator State Abbreviation
TX
Operator Postal Code
75240
Local Datetime
2019-01-29 16:00:00
Location Street Address
Inwood Rd. And Harry Hines Blvd.
Location City Name
Dallas
Location County Name
Dallas
Location State Abbreviation
TX
Location Postal Code
75235
Location Latitude
32.813889
Location Longitude
-96.846389
Nrc Rpt Datetime
2019-01-30 17:50:00
Nrc Rpt Num
1236391
Commodity Released Type
Natural Gas
Unintentional Release
1651.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0.0
Incident Identified Datetime
2019-01-29 16:13:00
On Site Datetime
2019-01-29 17:48:00
Federal
No
Location Type
Utility Right-Of-Way / Easement
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
156.0
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Installation Year
2005.0
Pipe Diameter
8.0
Pipe Specification
Astm D2513
Pipe Manufacturer
Driscoplex
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Plastic Sdr
11
Material Pe Pipe Code
3406
Release Type
Mechanical Puncture
Puncture Axial
2.0
Puncture Circum
1.0
Class Location Type
Class 4 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
23414.0
Est Cost Emergency
79700.0
Est Cost Other
0.0
Est Cost Unintentional Release
7765.0
Prpty
110879.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
0.0
Accident Psig
26.0
Normal Psig
26.0
Mop Psig
55.0
Accident Pressure
Pressure Did Not Exceed Maop
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 Third Party That Caused The Incident
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
3rd party damage
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
Yes
One Call System Ind
Yes
Notify Cga Dirt
No
Public Util Easement Row Ind
Yes
Excavator Type
Contractor
Excavator Equipment
Boring
Work Performed
Telecommunications
One Call Notified Ind
Yes
One Call Ticket Num
1952271822
One Call Center Name
Texas811
Locator Type
Contract Locator
Visible Marks
Yes
Service Interruption
No
Root Cause Category
Excavation Issue
Root Cause Type
Improper Excavation Practice Not Listed Above
Preparer Name
M***** D*******
Preparer Title
Operations Manager
Preparer Email
M**************@a**********.com
Preparer Telephone
214-426-7082
Authorizer Name
M**** S*****
Authorizer Title
Vice President Technical Services
Authorizer Telephone
214-206-2033
Authorizer Email
M***********@a**********.com
Narrative
48 hour nrc # 1236551 at approx. 16:13 on 1/29/2019, atmos energy was notified by our contract locator of an event in the area of inwood rd and harry hines blvd in dallas. A third party contractor boring in telecommunication damaged an 8-inch distribution main owned by atmos energy. Atmos crews were onsite by 17:48 on 1/29/2019. Atmos energy performed emergency actions needed to eliminate gas flow by isolating the damaged section of pipe. By utilizing engineering controls, the flow of gas was eliminated at 03:29 on 1/31/2019. The damaged section of 8-inch main was replaced and gas flow reinstated on 2/4/2019 at approximately 13:15. The damage did not cause an interruption in service as the line is a dual feed; no customers were affected. The one-call ticket number is 1952271822. The investigation indicates that the contractor failed to verify location by pot holing.
| Occurred At | 2019-01-29 16:13:00 |
|---|---|
| Year | 2019 |
| Report Received Date | 2019-02-28 00:00:00 |
| Iyear | 2019.0 |
| Report Number | 20190018.0 |
| Supplemental Number | 32809.0 |
| Report Type | Supplemental Final |
| Operator Id | 31348 PHMSA Enforcement |
| Name | Atmos Energy Corporation - Mid-Tex |
| Operator Street Address | 5430 Lbj Freeway Suite 1800 |
| Operator City Name | Dallas |
| Operator State Abbreviation | TX |
| Operator Postal Code | 75240 |
| Local Datetime | 2019-01-29 16:00:00 |
| Location Street Address | Inwood Rd. And Harry Hines Blvd. |
| Location City Name | Dallas |
| Location County Name | Dallas |
| Location State Abbreviation | TX |
| Location Postal Code | 75235 |
| Location Latitude | 32.813889 Google Maps OpenStreetMap |
| Location Longitude | -96.846389 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2019-01-30 17:50:00 |
| Nrc Rpt Num | 1236391 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 1651.0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0.0 |
| Incident Identified Datetime | 2019-01-29 16:13:00 |
| On Site Datetime | 2019-01-29 17:48:00 |
| Federal | No |
| Location Type | Utility Right-Of-Way / Easement |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 156.0 |
| Crossing | No |
| Pipe Facility Type | Privately Owned |
| System Part Involved | Main |
| Installation Year | 2005.0 |
| Pipe Diameter | 8.0 |
| Pipe Specification | Astm D2513 |
| Pipe Manufacturer | Driscoplex |
| Material Involved | Plastic |
| Plastic Type | Polyethylene (Pe) |
| Plastic Sdr | 11 |
| Material Pe Pipe Code | 3406 |
| Release Type | Mechanical Puncture |
| Puncture Axial | 2.0 |
| Puncture Circum | 1.0 |
| Class Location Type | Class 4 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 23414.0 |
| Est Cost Emergency | 79700.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 7765.0 |
| Prpty | 110879.0 |
| Commercial Affected | 0.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 0.0 |
| Accident Psig | 26.0 |
| Normal Psig | 26.0 |
| Mop Psig | 55.0 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| 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 Third Party That Caused The Incident |
| 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 | 3rd party damage |
| 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 | Yes |
| One Call System Ind | Yes |
| Notify Cga Dirt | No |
| Public Util Easement Row Ind | Yes |
| Excavator Type | Contractor |
| Excavator Equipment | Boring |
| Work Performed | Telecommunications |
| One Call Notified Ind | Yes |
| One Call Ticket Num | 1952271822 |
| One Call Center Name | Texas811 |
| Locator Type | Contract Locator |
| Visible Marks | Yes |
| Service Interruption | No |
| Root Cause Category | Excavation Issue |
| Root Cause Type | Improper Excavation Practice Not Listed Above |
| Preparer Name | M***** D******* |
| Preparer Title | Operations Manager |
| Preparer Email | M**************@a**********.com |
| Preparer Telephone | 214-426-7082 |
| Authorizer Name | M**** S***** |
| Authorizer Title | Vice President Technical Services |
| Authorizer Telephone | 214-206-2033 |
| Authorizer Email | M***********@a**********.com |
| Narrative | 48 hour nrc # 1236551 at approx. 16:13 on 1/29/2019, atmos energy was notified by our contract locator of an event in the area of inwood rd and harry hines blvd in dallas. A third party contractor boring in telecommunication damaged an 8-inch distribution main owned by atmos energy. Atmos crews were onsite by 17:48 on 1/29/2019. Atmos energy performed emergency actions needed to eliminate gas flow by isolating the damaged section of pipe. By utilizing engineering controls, the flow of gas was eliminated at 03:29 on 1/31/2019. The damaged section of 8-inch main was replaced and gas flow reinstated on 2/4/2019 at approximately 13:15. The damage did not cause an interruption in service as the line is a dual feed; no customers were affected. The one-call ticket number is 1952271822. The investigation indicates that the contractor failed to verify location by pot holing. |
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