GD incident on 2020-10-07 — OH

Operator
Duke Energy Ohio
Cause
Excavation Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$145,855
Incident datetime
2020-10-07 15:08
Report number
Location
OH, HAMILTON
Narrative
On 10/7/20, a contractor was running two soil stabilization machines while performing road work. The first machine lifted its cutter and crossed the gas main with no problem. The second soil stabilization machine front tires got stuck on the water main and begin to sink. As the machine sunk, the front of the machine was pulled down into the gas main causing it to hit and damage the 12" steel distribution main. Gas was ignited with injuries, but no hospitalization. 48-hour update call made on 10/9/20 at 13:36pm. Nrc #1289372
Detailed record list
Occurred At
2020-10-07 15:08:00
Year
2020
Report Received Date
2020-11-03 00:00:00
Iyear
2020.0
Report Number
20200110.0
Supplemental Number
34566.0
Report Type
Supplemental Final
Operator Id
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
Local Datetime
2020-10-07 15:00:00
Location Street Address
9201 Montgomery Road
Location City Name
Montgomery
Location County Name
Hamilton
Location State Abbreviation
OH
Location Postal Code
45242
Location Latitude
Location Longitude
Nrc Rpt Datetime
2020-10-07 18:31:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Unintentional Release
4719.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
Yes
Explode Ind
No
Num Pub Evacuated
0.0
Incident Identified Datetime
2020-10-07 15:08:00
On Site Datetime
2020-10-07 15:08:00
Federal
No
Location Type
Utility Right-Of-Way / Easement
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
Main
Installation Year
1967.0
Pipe Diameter
12.0
Pipe Specification
Unknown
Pipe Manufacturer
Unknown
Material Involved
Steel
Steel Seam Type
Other
Steel Seam Type Details
Unknown
Release Type
Mechanical Puncture
Puncture Axial
6.0
Puncture Circum
12.0
Class Location Type
Class 3 Location
Est Cost Oper Paid
800000.0
Est Cost Prop Damage
145855.0
Est Cost Emergency
29319.0
Est Cost Other
0.0
Est Cost Unintentional Release
15770.0
Prpty
990944.0
Commercial Affected
2.0
Industrial Affected
0.0
Residences Affected
514.0
Accident Psig
28.0
Normal Psig
30.0
Mop Psig
35.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Notification From Public
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
No
Cause
Excavation Damage
Cause Details
Excavation Damage By Third Party
Ex Party Type
Excavation Damage By Third Party
Ex Hydrotest Conducted Ind
No
Prior Notification Ind
Yes
One Call System Ind
Yes
Notify Cga Dirt
No
Public Row Ind
Yes
Public Subtype
City Street
Excavator Type
Contractor
Excavator Equipment
Unknown/other
Work Performed
Road Work
One Call Notified Ind
Yes
One Call Ticket Num
B023201460
Locator Type
Contract Locator
Visible Marks
Yes
Service Interruption
Yes
Service Interruption Hours
28.0
Root Cause Category
Excavation Issue
Root Cause Type
Improper Backfilling Practices
Preparer Name
C********** R******
Preparer Title
Gas Regulatory Compliance Analyst
Preparer Email
C******************@d**********.com
Preparer Telephone
7047314680
Authorizer Name
F***** B****
Authorizer Title
Manager- Pipeline Safety
Authorizer Telephone
7047314618
Authorizer Email
F***********@d**********.com
Narrative
On 10/7/20, a contractor was running two soil stabilization machines while performing road work. The first machine lifted its cutter and crossed the gas main with no problem. The second soil stabilization machine front tires got stuck on the water main and begin to sink. As the machine sunk, the front of the machine was pulled down into the gas main causing it to hit and damage the 12" steel distribution main. Gas was ignited with injuries, but no hospitalization. 48-hour update call made on 10/9/20 at 13:36pm. Nrc #1289372
Occurred At 2020-10-07 15:08:00
Year 2020
Report Received Date 2020-11-03 00:00:00
Iyear 2020.0
Report Number 20200110.0
Supplemental Number 34566.0
Report Type Supplemental 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
Local Datetime 2020-10-07 15:00:00
Location Street Address 9201 Montgomery Road
Location City Name Montgomery
Location County Name Hamilton
Location State Abbreviation OH
Location Postal Code 45242
Location Latitude 39.222719 Google Maps OpenStreetMap
Location Longitude -84.356968 Google Maps OpenStreetMap
Nrc Rpt Datetime 2020-10-07 18:31:00
Nrc Rpt Num 1289244 NRC Report How to search
Commodity Released Type Natural Gas
Unintentional Release 4719.0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Ignite Ind Yes
Explode Ind No
Num Pub Evacuated 0.0
Incident Identified Datetime 2020-10-07 15:08:00
On Site Datetime 2020-10-07 15:08:00
Federal No
Location Type Utility Right-Of-Way / Easement
Incident Area Type Underground
Incident Area Subtype Under Soil
Crossing No
Pipe Facility Type Investor Owned
System Part Involved Main
Installation Year 1967.0
Pipe Diameter 12.0
Pipe Specification Unknown
Pipe Manufacturer Unknown
Material Involved Steel
Steel Seam Type Other
Steel Seam Type Details Unknown
Release Type Mechanical Puncture
Puncture Axial 6.0
Puncture Circum 12.0
Class Location Type Class 3 Location
Est Cost Oper Paid 800000.0
Est Cost Prop Damage 145855.0
Est Cost Emergency 29319.0
Est Cost Other 0.0
Est Cost Unintentional Release 15770.0
Prpty 990944.0
Commercial Affected 2.0
Industrial Affected 0.0
Residences Affected 514.0
Accident Psig 28.0
Normal Psig 30.0
Mop Psig 35.0
Accident Pressure Pressure Did Not Exceed Maop
Scada In Place Ind No
Accident Identifier Notification From Public
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 No
Cause Excavation Damage
Cause Details Excavation Damage By Third Party
Ex Party Type Excavation Damage By Third Party
Ex Hydrotest Conducted Ind No
Prior Notification Ind Yes
One Call System Ind Yes
Notify Cga Dirt No
Public Row Ind Yes
Public Subtype City Street
Excavator Type Contractor
Excavator Equipment Unknown/other
Work Performed Road Work
One Call Notified Ind Yes
One Call Ticket Num B023201460
Locator Type Contract Locator
Visible Marks Yes
Service Interruption Yes
Service Interruption Hours 28.0
Root Cause Category Excavation Issue
Root Cause Type Improper Backfilling Practices
Preparer Name C********** R******
Preparer Title Gas Regulatory Compliance Analyst
Preparer Email C******************@d**********.com
Preparer Telephone 7047314680
Authorizer Name F***** B****
Authorizer Title Manager- Pipeline Safety
Authorizer Telephone 7047314618
Authorizer Email F***********@d**********.com
Narrative On 10/7/20, a contractor was running two soil stabilization machines while performing road work. The first machine lifted its cutter and crossed the gas main with no problem. The second soil stabilization machine front tires got stuck on the water main and begin to sink. As the machine sunk, the front of the machine was pulled down into the gas main causing it to hit and damage the 12" steel distribution main. Gas was ignited with injuries, but no hospitalization. 48-hour update call made on 10/9/20 at 13:36pm. Nrc #1289372

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