Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2018-07-21 — 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)
$167,075
Incident datetime
2018-07-21 14:55
Report number
Location
TX, DALLAS
Narrative
Additional nrc report number 1219291 at 2:55 pm on july 21, 2018, a second party contractor working on a replacement project for atmos energy damaged a 6-inch steel high pressure gas line while directional drilling. The line was located prior to excavation, however, the contractor failed to pot-hole and identify the exact location of the gas line. The access road in front of northwest hwy and an adjacent parking lot were blocked off to vehicular traffic. An atmos service tech arrived at 4:29 pm and verified the release of gas. The leak was eliminated at 6:32 pm by closing an above-ground valve. The damaged section of the pipe was replaced and placed back in service on october 26, 2018.
Detailed record list
Occurred At
2018-07-21 14:55:00
Year
2018
Report Received Date
2018-08-20 00:00:00
Iyear
2018.0
Report Number
20180076.0
Supplemental Number
33006.0
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
2018-07-21 14:45:00
Location Street Address
365 W. Northwest Hwy & Las Colinas
Location City Name
Irving
Location County Name
Dallas
Location State Abbreviation
TX
Location Postal Code
75039
Location Latitude
32.87923
Location Longitude
-96.94119
Nrc Rpt Datetime
2018-07-21 19:18:00
Nrc Rpt Num
1219129
Commodity Released Type
Natural Gas
Unintentional Release
36.5
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0.0
Incident Identified Datetime
2018-07-21 14:55:00
On Site Datetime
2018-07-21 16:29:00
Federal
No
Location Type
Utility Right-Of-Way / Easement
Incident Area Type
Underground
Incident Area Subtype
Under Pavement
Depth Of Cover
358.0
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Installation Year
2018.0
Pipe Diameter
6.0
Pipe Specification
Api 5l
Pipe Manufacturer
Unknown
Material Involved
Steel
Steel Seam Type
Longitudinal Erw - High Frequency
Steel Seam Type Details
Hfw
Wt Steel
0.28
Release Type
Mechanical Puncture
Puncture Axial
0.2
Puncture Circum
0.2
Class Location Type
Class 3 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
167075.0
Est Cost Emergency
2881.0
Est Cost Other
0.0
Est Cost Unintentional Release
214.0
Prpty
170170.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
0.0
Accident Psig
305.0
Normal Psig
305.0
Mop Psig
500.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Other
Accident Details
Notification From 2nd Party Contractor
Investigation Status
No, the facility was not monitored by a controller(s) at the time of the incident
Employee Drug Test Ind
No
Contractor Drug Test Ind
Yes
Num Contractors Tested
9
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)
Notify Cga Dirt
No
Public Row Ind
Yes
Public Subtype
State Highway
Excavator Type
Contractor
Excavator Equipment
Directional Drilling
Work Performed
Natural Gas
One Call Notified Ind
Yes
One Call Ticket Num
1870250110
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
B**** M**********
Preparer Title
Operations Supervisor
Preparer Email
B****************@a**********.com
Preparer Telephone
214-206-2387
Authorizer Name
M**** S*****
Authorizer Title
Director Regulatory And Compliance
Authorizer Telephone
214-206-2033
Authorizer Email
M***********@a**********.com
Narrative
Additional nrc report number 1219291 at 2:55 pm on july 21, 2018, a second party contractor working on a replacement project for atmos energy damaged a 6-inch steel high pressure gas line while directional drilling. The line was located prior to excavation, however, the contractor failed to pot-hole and identify the exact location of the gas line. The access road in front of northwest hwy and an adjacent parking lot were blocked off to vehicular traffic. An atmos service tech arrived at 4:29 pm and verified the release of gas. The leak was eliminated at 6:32 pm by closing an above-ground valve. The damaged section of the pipe was replaced and placed back in service on october 26, 2018.
| Occurred At | 2018-07-21 14:55:00 |
|---|---|
| Year | 2018 |
| Report Received Date | 2018-08-20 00:00:00 |
| Iyear | 2018.0 |
| Report Number | 20180076.0 |
| Supplemental Number | 33006.0 |
| 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 | 2018-07-21 14:45:00 |
| Location Street Address | 365 W. Northwest Hwy & Las Colinas |
| Location City Name | Irving |
| Location County Name | Dallas |
| Location State Abbreviation | TX |
| Location Postal Code | 75039 |
| Location Latitude | 32.87923 Google Maps OpenStreetMap |
| Location Longitude | -96.94119 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2018-07-21 19:18:00 |
| Nrc Rpt Num | 1219129 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 36.5 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0.0 |
| Incident Identified Datetime | 2018-07-21 14:55:00 |
| On Site Datetime | 2018-07-21 16:29:00 |
| Federal | No |
| Location Type | Utility Right-Of-Way / Easement |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Pavement |
| Depth Of Cover | 358.0 |
| Crossing | No |
| Pipe Facility Type | Privately Owned |
| System Part Involved | Main |
| Installation Year | 2018.0 |
| Pipe Diameter | 6.0 |
| Pipe Specification | Api 5l |
| Pipe Manufacturer | Unknown |
| Material Involved | Steel |
| Steel Seam Type | Longitudinal Erw - High Frequency |
| Steel Seam Type Details | Hfw |
| Wt Steel | 0.28 |
| Release Type | Mechanical Puncture |
| Puncture Axial | 0.2 |
| Puncture Circum | 0.2 |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 167075.0 |
| Est Cost Emergency | 2881.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 214.0 |
| Prpty | 170170.0 |
| Commercial Affected | 0.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 0.0 |
| Accident Psig | 305.0 |
| Normal Psig | 305.0 |
| Mop Psig | 500.0 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Scada In Place Ind | No |
| Accident Identifier | Other |
| Accident Details | Notification From 2nd Party Contractor |
| Investigation Status | No, the facility was not monitored by a controller(s) at the time of the incident |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | Yes |
| Num Contractors Tested | 9 |
| 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) |
| Notify Cga Dirt | No |
| Public Row Ind | Yes |
| Public Subtype | State Highway |
| Excavator Type | Contractor |
| Excavator Equipment | Directional Drilling |
| Work Performed | Natural Gas |
| One Call Notified Ind | Yes |
| One Call Ticket Num | 1870250110 |
| 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 | B**** M********** |
| Preparer Title | Operations Supervisor |
| Preparer Email | B****************@a**********.com |
| Preparer Telephone | 214-206-2387 |
| Authorizer Name | M**** S***** |
| Authorizer Title | Director Regulatory And Compliance |
| Authorizer Telephone | 214-206-2033 |
| Authorizer Email | M***********@a**********.com |
| Narrative | Additional nrc report number 1219291 at 2:55 pm on july 21, 2018, a second party contractor working on a replacement project for atmos energy damaged a 6-inch steel high pressure gas line while directional drilling. The line was located prior to excavation, however, the contractor failed to pot-hole and identify the exact location of the gas line. The access road in front of northwest hwy and an adjacent parking lot were blocked off to vehicular traffic. An atmos service tech arrived at 4:29 pm and verified the release of gas. The leak was eliminated at 6:32 pm by closing an above-ground valve. The damaged section of the pipe was replaced and placed back in service on october 26, 2018. |
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