GD incident on 2018-06-14 — OK

Operator
Oklahoma Natural Gas Company, A Division Of One Gas, Inc.
Cause
Locating Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 4 injuries
Property damage (nominal)
$9,100
Incident datetime
2018-06-14 13:30
Report number
Location
OK, TULSA
Narrative
A third-party excavator hired by the tulsa housing authority (tha) hit ong's 2" main. Ong responded to notification of the line hit by the tulsa fire department. While excavating to squeeze off the line to stop the flow of gas, ong struck an unmarked, live electrical conduit resulting in an immediate ignition. Tha had failed to register and mark the private electrical line tha had installed just a few inches below ground.
Detailed record list
Occurred At
2018-06-14 13:30:00
Year
2018
Report Received Date
2018-07-16 00:00:00
Iyear
2018.0
Report Number
20180069.0
Supplemental Number
32496.0
Report Type
Supplemental Final
Operator Id
Name
Oklahoma Natural Gas Company, A Division Of One Gas, Inc.
Operator Street Address
401 N. Harvey Ave
Operator City Name
Oklahoma City
Operator State Abbreviation
OK
Operator Postal Code
73102
Local Datetime
2018-06-14 15:20:00
Location Street Address
3735 W. 56th St.
Location City Name
Tulsa
Location County Name
Tulsa
Location State Abbreviation
OK
Location Postal Code
74132
Location Latitude
Location Longitude
Nrc Rpt Datetime
2018-06-14 16:45:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Unintentional Release
43.09
Fatality Ind
No
Fatal
0
Injury Ind
Yes
Num Emp Injuries
3
Num Contr Injuries
0
Num Er Injuries
1
Num Worker Injuries
0
Num Gp Injuries
0
Injure
4
Ignite Ind
Yes
Explode Ind
Yes
Num Pub Evacuated
2.0
Incident Identified Datetime
2018-06-14 13:30:00
On Site Datetime
2018-06-14 14:00:00
Federal
No
Location Type
Utility Right-Of-Way / Easement
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Depth Of Cover
24.0
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Installation Year
1970.0
Pipe Diameter
2.0
Pipe Specification
Aldy-A
Pipe Manufacturer
Unknown
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Wt Plastic
0.216
Material Pe Pipe Code
Unknown
Release Type
Mechanical Puncture
Puncture Axial
1.5
Puncture Circum
1.5
Class Location Type
Class 3 Location
Est Cost Oper Paid
1000.0
Est Cost Prop Damage
9100.0
Est Cost Emergency
15000.0
Est Cost Other
0.0
Est Cost Unintentional Release
150.0
Prpty
25250.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
53.0
Accident Psig
20.0
Normal Psig
30.0
Mop Psig
60.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Notification From Emergency Responder
Investigation Status
No, the facility was not monitored by a controller(s) at the time of the incident
Employee Drug Test Ind
Yes
Num Employees Tested
6
Num Employees Failed
0
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
Contractor Ind
Yes
Notify Cga Dirt
No
Public Util Easement Row Ind
Yes
Excavator Type
Contractor
Excavator Equipment
Backhoe/trackhoe
Work Performed
Unknown/other
One Call Notified Ind
Yes
One Call Ticket Num
1.80608e+13
Locator Type
Contract Locator
Visible Marks
Unknown/other
Service Interruption
Yes
Service Interruption Hours
3.0
Root Cause Category
Locating Issue
Root Cause Type
Facility Not Marked Due To Locator Error
Preparer Name
S*** S*****
Preparer Title
Sr. Compliance Specialist
Preparer Email
S**********@o*****.com
Preparer Telephone
450-248-7018
Authorizer Name
M***** B*****
Authorizer Title
Director Of Engineering
Authorizer Telephone
405-530-2501
Authorizer Email
M************@o*****.com
Narrative
A third-party excavator hired by the tulsa housing authority (tha) hit ong's 2" main. Ong responded to notification of the line hit by the tulsa fire department. While excavating to squeeze off the line to stop the flow of gas, ong struck an unmarked, live electrical conduit resulting in an immediate ignition. Tha had failed to register and mark the private electrical line tha had installed just a few inches below ground.
Occurred At 2018-06-14 13:30:00
Year 2018
Report Received Date 2018-07-16 00:00:00
Iyear 2018.0
Report Number 20180069.0
Supplemental Number 32496.0
Report Type Supplemental Final
Operator Id 14210 PHMSA Enforcement
Name Oklahoma Natural Gas Company, A Division Of One Gas, Inc.
Operator Street Address 401 N. Harvey Ave
Operator City Name Oklahoma City
Operator State Abbreviation OK
Operator Postal Code 73102
Local Datetime 2018-06-14 15:20:00
Location Street Address 3735 W. 56th St.
Location City Name Tulsa
Location County Name Tulsa
Location State Abbreviation OK
Location Postal Code 74132
Location Latitude 36.08204 Google Maps OpenStreetMap
Location Longitude -96.03574 Google Maps OpenStreetMap
Nrc Rpt Datetime 2018-06-14 16:45:00
Nrc Rpt Num 1215296 NRC Report How to search
Commodity Released Type Natural Gas
Unintentional Release 43.09
Fatality Ind No
Fatal 0
Injury Ind Yes
Num Emp Injuries 3
Num Contr Injuries 0
Num Er Injuries 1
Num Worker Injuries 0
Num Gp Injuries 0
Injure 4
Ignite Ind Yes
Explode Ind Yes
Num Pub Evacuated 2.0
Incident Identified Datetime 2018-06-14 13:30:00
On Site Datetime 2018-06-14 14:00:00
Federal No
Location Type Utility Right-Of-Way / Easement
Incident Area Type Underground
Incident Area Subtype Exposed Due To Excavation
Depth Of Cover 24.0
Crossing No
Pipe Facility Type Privately Owned
System Part Involved Main
Installation Year 1970.0
Pipe Diameter 2.0
Pipe Specification Aldy-A
Pipe Manufacturer Unknown
Material Involved Plastic
Plastic Type Polyethylene (Pe)
Wt Plastic 0.216
Material Pe Pipe Code Unknown
Release Type Mechanical Puncture
Puncture Axial 1.5
Puncture Circum 1.5
Class Location Type Class 3 Location
Est Cost Oper Paid 1000.0
Est Cost Prop Damage 9100.0
Est Cost Emergency 15000.0
Est Cost Other 0.0
Est Cost Unintentional Release 150.0
Prpty 25250.0
Commercial Affected 0.0
Industrial Affected 0.0
Residences Affected 53.0
Accident Psig 20.0
Normal Psig 30.0
Mop Psig 60.0
Accident Pressure Pressure Did Not Exceed Maop
Scada In Place Ind No
Accident Identifier Notification From Emergency Responder
Investigation Status No, the facility was not monitored by a controller(s) at the time of the incident
Employee Drug Test Ind Yes
Num Employees Tested 6
Num Employees Failed 0
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
Contractor Ind Yes
Notify Cga Dirt No
Public Util Easement Row Ind Yes
Excavator Type Contractor
Excavator Equipment Backhoe/trackhoe
Work Performed Unknown/other
One Call Notified Ind Yes
One Call Ticket Num 1.80608e+13
Locator Type Contract Locator
Visible Marks Unknown/other
Service Interruption Yes
Service Interruption Hours 3.0
Root Cause Category Locating Issue
Root Cause Type Facility Not Marked Due To Locator Error
Preparer Name S*** S*****
Preparer Title Sr. Compliance Specialist
Preparer Email S**********@o*****.com
Preparer Telephone 450-248-7018
Authorizer Name M***** B*****
Authorizer Title Director Of Engineering
Authorizer Telephone 405-530-2501
Authorizer Email M************@o*****.com
Narrative A third-party excavator hired by the tulsa housing authority (tha) hit ong's 2" main. Ong responded to notification of the line hit by the tulsa fire department. While excavating to squeeze off the line to stop the flow of gas, ong struck an unmarked, live electrical conduit resulting in an immediate ignition. Tha had failed to register and mark the private electrical line tha had installed just a few inches below ground.

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