Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2015-10-06 — OK
Operator
Oklahoma Natural Gas Company, A Division Of One Gas, Inc.
Cause
Excavation Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$59,944
Incident datetime
2015-10-06 16:12
Report number
Location
OK, WAGONER
Narrative
Ong's contractor damaged its 2" line while excavating to access and stop gas flow through a 2" gate valve, as part of a regulator station rebuild project. The valve could not be accessed using the valve chamber due to debris inside. Excavation work was performed to access the valve located at an approximate depth of 12.5 feet. Limited mobility in the work area, along with substantial rock, cement, and brick present in the excavation area complicated the excavator and spotter's efforts to properly locate and expose the valve.
Detailed record list
Occurred At
2015-10-06 16:12:00
Year
2015
Report Received Date
2015-11-06 00:00:00
Iyear
2015.0
Report Number
20150101.0
Supplemental Number
16189.0
Report Type
Original Final
Operator Id
14210
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
2015-10-06 16:12:00
Location Street Address
5205 S. 193rd E. Ave
Location City Name
Broken Arrow
Location County Name
Wagoner
Location State Abbreviation
OK
Location Postal Code
74014
Location Latitude
36.086333
Location Longitude
-95.761478
Nrc Rpt Datetime
2015-10-07 11:18:00
Nrc Rpt Num
1130296
Commodity Released Type
Natural Gas
Unintentional Release
2536.79
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0.0
Incident Identified Datetime
2015-10-06 16:12:00
On Site Datetime
2015-10-06 16:12:00
Federal
No
Location Type
Utility Right-Of-Way / Easement
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Depth Of Cover
150.0
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Service
Installation Year
1978.0
Pipe Diameter
2.375
Pipe Specification
Api 5l
Pipe Manufacturer
Unknown
Material Involved
Steel
Steel Seam Type
Seamless
Steel Seam Type Details
Seamless
Wt Steel
0.125
Release Type
Mechanical Puncture
Puncture Axial
2.5
Puncture Circum
0.5
Class Location Type
Class 1 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
59944.0
Est Cost Emergency
38426.0
Est Cost Other
0.0
Est Cost Unintentional Release
13156.0
Prpty
111526.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
0.0
Accident Psig
380.0
Normal Psig
380.0
Mop Psig
440.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
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
Line was punctured by the operator's contracted excavator.
Employee Drug Test Ind
Yes
Num Employees Tested
1
Num Employees Failed
0
Contractor Drug Test Ind
Yes
Num Contractors Tested
3
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
Excavator Type
Contractor
Excavator Equipment
Backhoe/trackhoe
Work Performed
Natural Gas
One Call Notified Ind
Yes
One Call Ticket Num
1.51005e+12
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
J***** W*****
Preparer Title
Regulatory Compliance Specialist
Preparer Email
J*******@o*****.com
Preparer Telephone
(918)831 8238
Preparer Fax
(918)831 8214
Authorizer Name
R****** L*******
Authorizer Title
Manager - Regulatory Compliance
Authorizer Telephone
(918)899-2797
Authorizer Email
R***************@o*****.com
Narrative
Ong's contractor damaged its 2" line while excavating to access and stop gas flow through a 2" gate valve, as part of a regulator station rebuild project. The valve could not be accessed using the valve chamber due to debris inside. Excavation work was performed to access the valve located at an approximate depth of 12.5 feet. Limited mobility in the work area, along with substantial rock, cement, and brick present in the excavation area complicated the excavator and spotter's efforts to properly locate and expose the valve.
| Occurred At | 2015-10-06 16:12:00 |
|---|---|
| Year | 2015 |
| Report Received Date | 2015-11-06 00:00:00 |
| Iyear | 2015.0 |
| Report Number | 20150101.0 |
| Supplemental Number | 16189.0 |
| Report Type | Original 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 | 2015-10-06 16:12:00 |
| Location Street Address | 5205 S. 193rd E. Ave |
| Location City Name | Broken Arrow |
| Location County Name | Wagoner |
| Location State Abbreviation | OK |
| Location Postal Code | 74014 |
| Location Latitude | 36.086333 Google Maps OpenStreetMap |
| Location Longitude | -95.761478 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2015-10-07 11:18:00 |
| Nrc Rpt Num | 1130296 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 2536.79 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0.0 |
| Incident Identified Datetime | 2015-10-06 16:12:00 |
| On Site Datetime | 2015-10-06 16:12:00 |
| Federal | No |
| Location Type | Utility Right-Of-Way / Easement |
| Incident Area Type | Underground |
| Incident Area Subtype | Exposed Due To Excavation |
| Depth Of Cover | 150.0 |
| Crossing | No |
| Pipe Facility Type | Privately Owned |
| System Part Involved | Service |
| Installation Year | 1978.0 |
| Pipe Diameter | 2.375 |
| Pipe Specification | Api 5l |
| Pipe Manufacturer | Unknown |
| Material Involved | Steel |
| Steel Seam Type | Seamless |
| Steel Seam Type Details | Seamless |
| Wt Steel | 0.125 |
| Release Type | Mechanical Puncture |
| Puncture Axial | 2.5 |
| Puncture Circum | 0.5 |
| Class Location Type | Class 1 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 59944.0 |
| Est Cost Emergency | 38426.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 13156.0 |
| Prpty | 111526.0 |
| Commercial Affected | 0.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 0.0 |
| Accident Psig | 380.0 |
| Normal Psig | 380.0 |
| Mop Psig | 440.0 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Scada In Place Ind | No |
| 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 | Line was punctured by the operator's contracted excavator. |
| Employee Drug Test Ind | Yes |
| Num Employees Tested | 1 |
| Num Employees Failed | 0 |
| Contractor Drug Test Ind | Yes |
| Num Contractors Tested | 3 |
| 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 |
| Excavator Type | Contractor |
| Excavator Equipment | Backhoe/trackhoe |
| Work Performed | Natural Gas |
| One Call Notified Ind | Yes |
| One Call Ticket Num | 1.51005e+12 |
| 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 | J***** W***** |
| Preparer Title | Regulatory Compliance Specialist |
| Preparer Email | J*******@o*****.com |
| Preparer Telephone | (918)831 8238 |
| Preparer Fax | (918)831 8214 |
| Authorizer Name | R****** L******* |
| Authorizer Title | Manager - Regulatory Compliance |
| Authorizer Telephone | (918)899-2797 |
| Authorizer Email | R***************@o*****.com |
| Narrative | Ong's contractor damaged its 2" line while excavating to access and stop gas flow through a 2" gate valve, as part of a regulator station rebuild project. The valve could not be accessed using the valve chamber due to debris inside. Excavation work was performed to access the valve located at an approximate depth of 12.5 feet. Limited mobility in the work area, along with substantial rock, cement, and brick present in the excavation area complicated the excavator and spotter's efforts to properly locate and expose the valve. |
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