Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2025-03-10 — OH
Operator
Duke Energy Ohio
Cause
Pipe, Weld, Or Joint Failure
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$826,514
Incident datetime
2025-03-10 00:00 UTC
Report number
Location
OH, HAMILTON
Narrative
The leak was originally called in by the public for odor in the air and responded to on 01/22/24. Leak assessment indicated that it was non hazardous and not migrating into sub-structures and structures. A crew was sent out to begin excavation and repair of the leak on 01/30/24. It was determined that additional resources would be needed to complete excavation and shoring. On 1/31/24 it was determined that the repair of leak would meet reporting criteria. Utilizing one valve and stopple, the leak was isolated with no customer interruption. The segment of pipe containing the leak was cut out and replaced. The removed section of the pipe was sent to a forensic metallurgical laboratory for analysis to determine the root cause. Analysis of the pipe determined the cause of the leak was due to cracking in the weld. Due to the size of the leak, the estimated volume of gas released will be difficult to determine.
Detailed record list
Report Received Date
2025-03-10 00:00:00
Iyear
2024.0
Report Number
20250009.0
Supplemental Number
40605.0
Report Type
Original Final
Operator Id
2364
Name
Duke Energy Ohio
Operator Street Address
139 East Fourth Street Po Box 960 - Room 460-Annex
Operator City Name
Cincinnati
Operator State Abbreviation
OH
Operator Postal Code
45202.0
Time Zone
Eastern
Daylight Savings Ind
No
Location Street Address
3939 Erie Avenue
Location City Name
Cincinnati
Location County Name
Hamilton
Location State Abbreviation
OH
Location Postal Code
45208.0
Location Latitude
39.14883
Location Longitude
-84.40793
Flow Cont Key Crit Ind
Yes
Flow Cont Stopple Fitng Ind
Yes
Nrc Rpt Num
1390430.0
Additional Nrc Report Numbers
1390587.0
Commodity Released Type
Natural Gas
Unintentional Release
0.01
Intentional Release
0.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Num Pub Evacuated
0.0
Communication State Fed Ind
No
Federal
No
Location Type
Utility Right-Of-Way / Easement
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
144.0
Other Underground Facilities
No
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
Main
Installation Year
2004.0
Pipe Diameter
24.0
Pipe Specification
Wt Api 5l Grade X52 Erw
Pipe Manufacturer
Unknown
Material Involved
Steel
Steel Seam Type
Longitudinal Erw - Unknown Frequency
Wt Steel
0.438
Release Type
Leak
Leak Type
Pinhole
Class Location Type
Class 3 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
826514.0
Est Cost Emergency
0.0
Est Cost Other
0.0
Gas Cost In Mcf
5.78
Est Cost Unintentional Release
0.0
Est Cost Intentional Release
0.0
Prpty
826514.0
Commercial Affected
0.0
Industrial Affected
0.0
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
0.0
Accident Psig
192.0
Normal Psig
192.0
Mop Psig
200.0
Mop Cfr Section
192.619(A)(3)
Maop Established Date
2004-09-10 00:00:00
Accident Pressure
Pressure Did Not Exceed Maop
Gas Odorized System Type
Combination Of Odorization Types
Gas Odorized Lvl Not Msrd Ind
Yes
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 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
The incident was the result of a leak on a enclosure fitting so the control room was not involved.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Pipe, Weld, Or Joint Failure
Cause Details
Fillet Weld
Pwjf Failure Type
Fillet Weld
Fillet Weld Subtype
Repair Sleeve
Additional Crack Ind
Yes
Additional Misalignment Ind
Yes
Result Construction Ind
Yes
Result Construction Subtype
Poor Construction/installation Procedures
Hydrotest Conducted Ind
Yes
Hydrotest Conducted Year
2004
Hydrotest Pressure
192
Preparer Name
C********** R******
Preparer Title
Gas Regulatory Compliance Analyst
Preparer Email
C******************@d**********.com
Preparer Telephone
704-731-4680
Authorizer Name
F***** B****
Authorizer Title
Pipeline Safety Governance Manager
Authorizer Telephone
704-731-4618
Authorizer Email
F***********@d**********.com
Narrative
The leak was originally called in by the public for odor in the air and responded to on 01/22/24. Leak assessment indicated that it was non hazardous and not migrating into sub-structures and structures. A crew was sent out to begin excavation and repair of the leak on 01/30/24. It was determined that additional resources would be needed to complete excavation and shoring. On 1/31/24 it was determined that the repair of leak would meet reporting criteria. Utilizing one valve and stopple, the leak was isolated with no customer interruption. The segment of pipe containing the leak was cut out and replaced. The removed section of the pipe was sent to a forensic metallurgical laboratory for analysis to determine the root cause. Analysis of the pipe determined the cause of the leak was due to cracking in the weld. Due to the size of the leak, the estimated volume of gas released will be difficult to determine.
| Report Received Date | 2025-03-10 00:00:00 |
|---|---|
| Iyear | 2024.0 |
| Report Number | 20250009.0 |
| Supplemental Number | 40605.0 |
| Report Type | Original Final |
| Operator Id | 2364 PHMSA Enforcement |
| Name | Duke Energy Ohio |
| Operator Street Address | 139 East Fourth Street Po Box 960 - Room 460-Annex |
| Operator City Name | Cincinnati |
| Operator State Abbreviation | OH |
| Operator Postal Code | 45202.0 |
| Time Zone | Eastern |
| Daylight Savings Ind | No |
| Location Street Address | 3939 Erie Avenue |
| Location City Name | Cincinnati |
| Location County Name | Hamilton |
| Location State Abbreviation | OH |
| Location Postal Code | 45208.0 |
| Location Latitude | 39.14883 Google Maps OpenStreetMap |
| Location Longitude | -84.40793 Google Maps OpenStreetMap |
| Flow Cont Key Crit Ind | Yes |
| Flow Cont Stopple Fitng Ind | Yes |
| Nrc Rpt Num | 1390430.0 NRC Report How to search |
| Additional Nrc Report Numbers | 1390587.0 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 0.01 |
| Intentional Release | 0.0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Num Pub Evacuated | 0.0 |
| Communication State Fed Ind | No |
| Federal | No |
| Location Type | Utility Right-Of-Way / Easement |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 144.0 |
| Other Underground Facilities | No |
| Crossing | No |
| Pipe Facility Type | Investor Owned |
| System Part Involved | Main |
| Installation Year | 2004.0 |
| Pipe Diameter | 24.0 |
| Pipe Specification | Wt Api 5l Grade X52 Erw |
| Pipe Manufacturer | Unknown |
| Material Involved | Steel |
| Steel Seam Type | Longitudinal Erw - Unknown Frequency |
| Wt Steel | 0.438 |
| Release Type | Leak |
| Leak Type | Pinhole |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 826514.0 |
| Est Cost Emergency | 0.0 |
| Est Cost Other | 0.0 |
| Gas Cost In Mcf | 5.78 |
| Est Cost Unintentional Release | 0.0 |
| Est Cost Intentional Release | 0.0 |
| Prpty | 826514.0 |
| Commercial Affected | 0.0 |
| Industrial Affected | 0.0 |
| 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 | 0.0 |
| Accident Psig | 192.0 |
| Normal Psig | 192.0 |
| Mop Psig | 200.0 |
| Mop Cfr Section | 192.619(A)(3) View CFR 49 §192 |
| Maop Established Date | 2004-09-10 00:00:00 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Gas Odorized System Type | Combination Of Odorization Types |
| Gas Odorized Lvl Not Msrd Ind | Yes |
| 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 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 | The incident was the result of a leak on a enclosure fitting so the control room was not involved. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Pipe, Weld, Or Joint Failure |
| Cause Details | Fillet Weld |
| Pwjf Failure Type | Fillet Weld |
| Fillet Weld Subtype | Repair Sleeve |
| Additional Crack Ind | Yes |
| Additional Misalignment Ind | Yes |
| Result Construction Ind | Yes |
| Result Construction Subtype | Poor Construction/installation Procedures |
| Hydrotest Conducted Ind | Yes |
| Hydrotest Conducted Year | 2004 |
| Hydrotest Pressure | 192 |
| Preparer Name | C********** R****** |
| Preparer Title | Gas Regulatory Compliance Analyst |
| Preparer Email | C******************@d**********.com |
| Preparer Telephone | 704-731-4680 |
| Authorizer Name | F***** B**** |
| Authorizer Title | Pipeline Safety Governance Manager |
| Authorizer Telephone | 704-731-4618 |
| Authorizer Email | F***********@d**********.com |
| Narrative | The leak was originally called in by the public for odor in the air and responded to on 01/22/24. Leak assessment indicated that it was non hazardous and not migrating into sub-structures and structures. A crew was sent out to begin excavation and repair of the leak on 01/30/24. It was determined that additional resources would be needed to complete excavation and shoring. On 1/31/24 it was determined that the repair of leak would meet reporting criteria. Utilizing one valve and stopple, the leak was isolated with no customer interruption. The segment of pipe containing the leak was cut out and replaced. The removed section of the pipe was sent to a forensic metallurgical laboratory for analysis to determine the root cause. Analysis of the pipe determined the cause of the leak was due to cracking in the weld. Due to the size of the leak, the estimated volume of gas released will be difficult to determine. |
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