Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2022-05-12 — MS
Operator
Atmos Energy Corporation - Mississippi
Cause
Locating Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$10,001
Incident datetime
2022-05-12 08:45
Report number
Location
MS, MONROE
Narrative
Atmos energy's second-party contractor was in the process of replacing a critical valve on an 8-inch high pressure distribution line near aberdeen, ms. The project was being worked under mississippi onecall locate ticket #2204814572130, and proper locate practices were used prior to beginning the project using all available information on the assets in the area and locate technology. Unknown to atmos energy or the second party contractor, there was an unlocatable and unmapped 2-inch nipple and valve located in the vertical position on the carrier pipe, and this unmapped and unlocatable asset was damaged during excavation activities. The contractor responded to the damage using appropriate emergency response practices. In order to eliminate the hazardous condition, a stopple fitting was welded onto the carrier pipe and tapped. During the repair, the unintentional loss of gas exceeded the reportable threshold, and atmos energy reported the damage as an incident.
Detailed record list
Occurred At
2022-05-12 08:45:00
Year
2022
Report Received Date
2022-06-10 00:00:00
Iyear
2022.0
Report Number
20220040.0
Supplemental Number
37711.0
Report Type
Supplemental Final
Operator Id
12582
Name
Atmos Energy Corporation - Mississippi
Operator Street Address
5430 Lbj Freeway Suite 1800
Operator City Name
Dallas
Operator State Abbreviation
TX
Operator Postal Code
75240
Local Datetime
2022-05-12 14:30:00
Time Zone
Central
Daylight Savings Ind
Yes
Location Street Address
100333 Imc Road
Location City Name
Aberdeen
Location County Name
Monroe
Location State Abbreviation
MS
Location Postal Code
39730
Location Latitude
33.768389
Location Longitude
-88.57225
Flow Cont Key Crit Ind
Yes
Flow Cont Stopple Fitng Ind
Yes
Nrc Rpt Datetime
2022-05-12 14:42:00
Nrc Rpt Num
1335844
Additional Nrc Report Numbers
1335944
Commodity Released Type
Natural Gas
Unintentional Release
5914.0
Intentional Release
379.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Num Pub Evacuated
0.0
Incident Identified Datetime
2022-05-12 08:45:00
Communication State Fed Ind
Yes
Party Initiated Communication
Operator
Initial Responder Com Datetime
2022-05-12 08:45:00
On Site Datetime
2022-05-12 09:10:00
Federal
No
Location Type
Utility Right-Of-Way / Easement
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
42.0
Other Underground Facilities
No
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
Main
Installation Year
1969.0
Manufactured Year
1969.0
Pipe Diameter
8.0
Pipe Specification
Api 5lx-1968
Pipe Manufacturer
Republic Steel
Material Involved
Steel
Steel Seam Type
Longitudinal Erw - Unknown Frequency
Wt Steel
0.188
Release Type
Leak
Leak Type
Other
Leak Type Other
2-Inch Nipple Sheared Off Pipe
Class Location Type
Class 1 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
10001.0
Est Cost Emergency
12575.0
Est Cost Other
0.0
Gas Cost In Mcf
7.3268
Est Cost Unintentional Release
43331.0
Est Cost Intentional Release
2777.0
Prpty
68684.0
Commercial Affected
0.0
Industrial Affected
1.0
Residences Affected
0.0
Num Persons Hosp Not Ovnght
0.0
Num Injured Treated By Emt
0.0
Num Resident Building Affctd
0.0
Num Business Building Affctd
1.0
Accident Psig
250.0
Normal Psig
350.0
Mop Psig
385.0
Mop Cfr Section
192.619(A)(2)
Maop Established Date
1969-11-02 00:00:00
Accident Pressure
Pressure Did Not Exceed Maop
Gas Odorized System Type
Injection Pump
Gas Odorized Lvl Not Msrd Ind
Yes
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
Yes
Scada Conf Ind
Yes
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Contractor Working For The Operator
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
Other than providing alerts to operations as the event occurred, the control room had no involvement in this incident.
Employee Drug Test Ind
No
Contractor Drug Test Ind
Yes
Num Contractors Tested
1
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
Private Row Ind
Yes
Private Subtype
Private Easement
Pipeline Easement Row Ind
Yes
Excavator Type
Contractor
Excavator Equipment
Backhoe/trackhoe
Work Performed
Natural Gas
One Call Notified Ind
Yes
One Call Ticket Num
2.20428e+13
Locator Type
Contract Locator
Visible Marks
Yes
Service Interruption
Yes
Service Interruption Hours
11.0
Root Cause Category
Locating Issue
Root Cause Type
Facility Not Marked Due To Incorrect Facility Records/maps
Preparer Name
D*** M*****
Preparer Title
Manager Of Compliance
Preparer Email
D**********@a**********.com
Preparer Telephone
6015925360
Local Contact Name
W*** S*******
Local Contact Email
W************@a**********.com
Local Contact Telephone
6622512018
Authorizer Name
J**** E* M*******
Authorizer Title
Vice President Technical Services
Authorizer Telephone
6016249408
Authorizer Email
J*************@a**********.com
Narrative
Atmos energy's second-party contractor was in the process of replacing a critical valve on an 8-inch high pressure distribution line near aberdeen, ms. The project was being worked under mississippi onecall locate ticket #2204814572130, and proper locate practices were used prior to beginning the project using all available information on the assets in the area and locate technology. Unknown to atmos energy or the second party contractor, there was an unlocatable and unmapped 2-inch nipple and valve located in the vertical position on the carrier pipe, and this unmapped and unlocatable asset was damaged during excavation activities. The contractor responded to the damage using appropriate emergency response practices. In order to eliminate the hazardous condition, a stopple fitting was welded onto the carrier pipe and tapped. During the repair, the unintentional loss of gas exceeded the reportable threshold, and atmos energy reported the damage as an incident.
| Occurred At | 2022-05-12 08:45:00 |
|---|---|
| Year | 2022 |
| Report Received Date | 2022-06-10 00:00:00 |
| Iyear | 2022.0 |
| Report Number | 20220040.0 |
| Supplemental Number | 37711.0 |
| Report Type | Supplemental Final |
| Operator Id | 12582 PHMSA Enforcement |
| Name | Atmos Energy Corporation - Mississippi |
| Operator Street Address | 5430 Lbj Freeway Suite 1800 |
| Operator City Name | Dallas |
| Operator State Abbreviation | TX |
| Operator Postal Code | 75240 |
| Local Datetime | 2022-05-12 14:30:00 |
| Time Zone | Central |
| Daylight Savings Ind | Yes |
| Location Street Address | 100333 Imc Road |
| Location City Name | Aberdeen |
| Location County Name | Monroe |
| Location State Abbreviation | MS |
| Location Postal Code | 39730 |
| Location Latitude | 33.768389 Google Maps OpenStreetMap |
| Location Longitude | -88.57225 Google Maps OpenStreetMap |
| Flow Cont Key Crit Ind | Yes |
| Flow Cont Stopple Fitng Ind | Yes |
| Nrc Rpt Datetime | 2022-05-12 14:42:00 |
| Nrc Rpt Num | 1335844 NRC Report How to search |
| Additional Nrc Report Numbers | 1335944 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 5914.0 |
| Intentional Release | 379.0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Num Pub Evacuated | 0.0 |
| Incident Identified Datetime | 2022-05-12 08:45:00 |
| Communication State Fed Ind | Yes |
| Party Initiated Communication | Operator |
| Initial Responder Com Datetime | 2022-05-12 08:45:00 |
| On Site Datetime | 2022-05-12 09:10:00 |
| Federal | No |
| Location Type | Utility Right-Of-Way / Easement |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 42.0 |
| Other Underground Facilities | No |
| Crossing | No |
| Pipe Facility Type | Investor Owned |
| System Part Involved | Main |
| Installation Year | 1969.0 |
| Manufactured Year | 1969.0 |
| Pipe Diameter | 8.0 |
| Pipe Specification | Api 5lx-1968 |
| Pipe Manufacturer | Republic Steel |
| Material Involved | Steel |
| Steel Seam Type | Longitudinal Erw - Unknown Frequency |
| Wt Steel | 0.188 |
| Release Type | Leak |
| Leak Type | Other |
| Leak Type Other | 2-Inch Nipple Sheared Off Pipe |
| Class Location Type | Class 1 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 10001.0 |
| Est Cost Emergency | 12575.0 |
| Est Cost Other | 0.0 |
| Gas Cost In Mcf | 7.3268 |
| Est Cost Unintentional Release | 43331.0 |
| Est Cost Intentional Release | 2777.0 |
| Prpty | 68684.0 |
| Commercial Affected | 0.0 |
| Industrial Affected | 1.0 |
| Residences Affected | 0.0 |
| Num Persons Hosp Not Ovnght | 0.0 |
| Num Injured Treated By Emt | 0.0 |
| Num Resident Building Affctd | 0.0 |
| Num Business Building Affctd | 1.0 |
| Accident Psig | 250.0 |
| Normal Psig | 350.0 |
| Mop Psig | 385.0 |
| Mop Cfr Section | 192.619(A)(2) View CFR 49 §192 |
| Maop Established Date | 1969-11-02 00:00:00 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Gas Odorized System Type | Injection Pump |
| Gas Odorized Lvl Not Msrd Ind | Yes |
| Scada In Place Ind | Yes |
| Scada Operating Ind | Yes |
| Scada Functional Ind | Yes |
| Scada Detection Ind | Yes |
| Scada Conf Ind | Yes |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Contractor Working For The Operator |
| 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 | Other than providing alerts to operations as the event occurred, the control room had no involvement in this incident. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | Yes |
| Num Contractors Tested | 1 |
| 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 |
| Private Row Ind | Yes |
| Private Subtype | Private Easement |
| Pipeline Easement Row Ind | Yes |
| Excavator Type | Contractor |
| Excavator Equipment | Backhoe/trackhoe |
| Work Performed | Natural Gas |
| One Call Notified Ind | Yes |
| One Call Ticket Num | 2.20428e+13 |
| Locator Type | Contract Locator |
| Visible Marks | Yes |
| Service Interruption | Yes |
| Service Interruption Hours | 11.0 |
| Root Cause Category | Locating Issue |
| Root Cause Type | Facility Not Marked Due To Incorrect Facility Records/maps |
| Preparer Name | D*** M***** |
| Preparer Title | Manager Of Compliance |
| Preparer Email | D**********@a**********.com |
| Preparer Telephone | 6015925360 |
| Local Contact Name | W*** S******* |
| Local Contact Email | W************@a**********.com |
| Local Contact Telephone | 6622512018 |
| Authorizer Name | J**** E* M******* |
| Authorizer Title | Vice President Technical Services |
| Authorizer Telephone | 6016249408 |
| Authorizer Email | J*************@a**********.com |
| Narrative | Atmos energy's second-party contractor was in the process of replacing a critical valve on an 8-inch high pressure distribution line near aberdeen, ms. The project was being worked under mississippi onecall locate ticket #2204814572130, and proper locate practices were used prior to beginning the project using all available information on the assets in the area and locate technology. Unknown to atmos energy or the second party contractor, there was an unlocatable and unmapped 2-inch nipple and valve located in the vertical position on the carrier pipe, and this unmapped and unlocatable asset was damaged during excavation activities. The contractor responded to the damage using appropriate emergency response practices. In order to eliminate the hazardous condition, a stopple fitting was welded onto the carrier pipe and tapped. During the repair, the unintentional loss of gas exceeded the reportable threshold, and atmos energy reported the damage as an incident. |
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