GD incident on 2018-10-03 — PA

Operator
Columbia Gas Of Pennsylvania
Cause
Excavation Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 1 injury
Property damage (nominal)
$100
Incident datetime
2018-10-03 02:21
Report number
Location
PA, ALLEGHENY
Narrative
On october 3, 2018 at approximately 2:18 am, an employee of golden triangle construction dug into an accurately marked 4-inch medium pressure plastic gas main causing damage to the pipeline. Upon striking the pipeline an unknown ignition source caused the escaping gas to ignite. The golden triangle employee was burned by the fire and was admitted to the hospital for treatment of his injuries. The gas was shut down at 4:05 am and service was restored at 3:25 pm on october 3, 2018.
Detailed record list
Occurred At
2018-10-03 02:21:00
Year
2018
Report Received Date
2018-11-02 00:00:00
Iyear
2018.0
Report Number
20180099.0
Supplemental Number
32042.0
Report Type
Supplemental
Operator Id
Name
Columbia Gas Of Pennsylvania
Operator Street Address
121 Champion Way
Operator City Name
Canonsburg
Operator State Abbreviation
PA
Operator Postal Code
15317
Local Datetime
2018-10-03 02:18:00
Location Street Address
Timberidge Drive And Clifton Road
Location City Name
Bethel Park
Location County Name
Allegheny
Location State Abbreviation
PA
Location Postal Code
15102
Location Latitude
Location Longitude
Nrc Rpt Datetime
2018-10-03 05:34:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Unintentional Release
139.8
Fatality Ind
No
Fatal
0
Injury Ind
Yes
Num Emp Injuries
0
Num Contr Injuries
0
Num Er Injuries
0
Num Worker Injuries
1
Num Gp Injuries
0
Injure
1
Ignite Ind
Yes
Explode Ind
No
Num Pub Evacuated
2.0
Incident Identified Datetime
2018-10-03 02:21:00
On Site Datetime
2018-10-03 02:53:00
Federal
No
Location Type
Public Property
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Depth Of Cover
84.0
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
Main
Installation Year
2010.0
Pipe Diameter
4.0
Pipe Specification
Unknown
Pipe Manufacturer
Driscoplex
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Wt Plastic Unknown Ind
Unknown
Material Pe Pipe Code
2406
Release Type
Mechanical Puncture
Puncture Axial
4.0
Puncture Circum
3.0
Class Location Type
Class 3 Location
Est Cost Oper Paid
2000.0
Est Cost Prop Damage
100.0
Est Cost Emergency
14344.0
Est Cost Other
10000.0
Est Cost Other Details
Cost Of Repair To Track Hoe For Excavator
Est Cost Unintentional Release
555.0
Prpty
26999.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
23.0
Accident Psig
50.0
Normal Psig
50.0
Mop Psig
60.0
Accident Pressure
Pressure Did Not Exceed Maop
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 Third Party That Caused The Incident
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
They were not a contributor to the issue here.
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
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
Backhoe/trackhoe
Work Performed
Water
One Call Notified Ind
Yes
One Call Ticket Num
20182320939
Locator Type
Utility Owner
Visible Marks
Yes
Service Interruption
Yes
Service Interruption Hours
11.0
Root Cause Category
Excavation Issue
Root Cause Type
Improper Excavation Practice Not Listed Above
Preparer Name
R*** B****
Preparer Title
Operations Compliance Manager
Preparer Email
R*****@n*******.com
Preparer Telephone
724-416-6332
Preparer Fax
724-416-6385
Authorizer Name
M*** T***
Authorizer Title
Operations Center Manager
Authorizer Telephone
724-773-5365
Authorizer Email
M****@n*******.com
Narrative
On october 3, 2018 at approximately 2:18 am, an employee of golden triangle construction dug into an accurately marked 4-inch medium pressure plastic gas main causing damage to the pipeline. Upon striking the pipeline an unknown ignition source caused the escaping gas to ignite. The golden triangle employee was burned by the fire and was admitted to the hospital for treatment of his injuries. The gas was shut down at 4:05 am and service was restored at 3:25 pm on october 3, 2018.
Occurred At 2018-10-03 02:21:00
Year 2018
Report Received Date 2018-11-02 00:00:00
Iyear 2018.0
Report Number 20180099.0
Supplemental Number 32042.0
Report Type Supplemental
Operator Id 2600 PHMSA Enforcement
Name Columbia Gas Of Pennsylvania
Operator Street Address 121 Champion Way
Operator City Name Canonsburg
Operator State Abbreviation PA
Operator Postal Code 15317
Local Datetime 2018-10-03 02:18:00
Location Street Address Timberidge Drive And Clifton Road
Location City Name Bethel Park
Location County Name Allegheny
Location State Abbreviation PA
Location Postal Code 15102
Location Latitude 40.293443 Google Maps OpenStreetMap
Location Longitude -80.031659 Google Maps OpenStreetMap
Nrc Rpt Datetime 2018-10-03 05:34:00
Nrc Rpt Num 1226351 NRC Report How to search
Commodity Released Type Natural Gas
Unintentional Release 139.8
Fatality Ind No
Fatal 0
Injury Ind Yes
Num Emp Injuries 0
Num Contr Injuries 0
Num Er Injuries 0
Num Worker Injuries 1
Num Gp Injuries 0
Injure 1
Ignite Ind Yes
Explode Ind No
Num Pub Evacuated 2.0
Incident Identified Datetime 2018-10-03 02:21:00
On Site Datetime 2018-10-03 02:53:00
Federal No
Location Type Public Property
Incident Area Type Underground
Incident Area Subtype Exposed Due To Excavation
Depth Of Cover 84.0
Crossing No
Pipe Facility Type Investor Owned
System Part Involved Main
Installation Year 2010.0
Pipe Diameter 4.0
Pipe Specification Unknown
Pipe Manufacturer Driscoplex
Material Involved Plastic
Plastic Type Polyethylene (Pe)
Wt Plastic Unknown Ind Unknown
Material Pe Pipe Code 2406
Release Type Mechanical Puncture
Puncture Axial 4.0
Puncture Circum 3.0
Class Location Type Class 3 Location
Est Cost Oper Paid 2000.0
Est Cost Prop Damage 100.0
Est Cost Emergency 14344.0
Est Cost Other 10000.0
Est Cost Other Details Cost Of Repair To Track Hoe For Excavator
Est Cost Unintentional Release 555.0
Prpty 26999.0
Commercial Affected 0.0
Industrial Affected 0.0
Residences Affected 23.0
Accident Psig 50.0
Normal Psig 50.0
Mop Psig 60.0
Accident Pressure Pressure Did Not Exceed Maop
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 Third Party That Caused The Incident
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 They were not a contributor to the issue here.
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
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 Backhoe/trackhoe
Work Performed Water
One Call Notified Ind Yes
One Call Ticket Num 20182320939
Locator Type Utility Owner
Visible Marks Yes
Service Interruption Yes
Service Interruption Hours 11.0
Root Cause Category Excavation Issue
Root Cause Type Improper Excavation Practice Not Listed Above
Preparer Name R*** B****
Preparer Title Operations Compliance Manager
Preparer Email R*****@n*******.com
Preparer Telephone 724-416-6332
Preparer Fax 724-416-6385
Authorizer Name M*** T***
Authorizer Title Operations Center Manager
Authorizer Telephone 724-773-5365
Authorizer Email M****@n*******.com
Narrative On october 3, 2018 at approximately 2:18 am, an employee of golden triangle construction dug into an accurately marked 4-inch medium pressure plastic gas main causing damage to the pipeline. Upon striking the pipeline an unknown ignition source caused the escaping gas to ignite. The golden triangle employee was burned by the fire and was admitted to the hospital for treatment of his injuries. The gas was shut down at 4:05 am and service was restored at 3:25 pm on october 3, 2018.

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