GD incident on 2016-10-29 — VA

Operator
Columbia Gas Of Virginia Inc
Cause
Miscellaneous Root Causes
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$0
Incident datetime
2016-10-29 16:34
Report number
Location
VA, PITTSYLVANIA
Narrative
Previous unknown damage by unknown 3rd party caused gas main to leak . While crew was investigating source of gas leak, the pipe ruptured. Flow of gas was shut off at upstream station.
Detailed record list
Occurred At
2016-10-29 16:34:00
Year
2016
Report Received Date
2016-11-21 00:00:00
Iyear
2016.0
Report Number
20160119.0
Supplemental Number
16437.0
Report Type
Original Final
Operator Id
Name
Columbia Gas Of Virginia Inc
Operator Street Address
1809 Coyote Drive
Operator City Name
Chester
Operator State Abbreviation
VA
Operator Postal Code
23836
Local Datetime
2016-10-29 16:29:00
Location Street Address
639 Davis Rd
Location City Name
Chatham
Location County Name
Pittsylvania
Location State Abbreviation
VA
Location Postal Code
24531
Location Latitude
Location Longitude
Nrc Rpt Datetime
2016-10-31 16:00:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Unintentional Release
227.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
12.0
Incident Identified Datetime
2016-10-29 16:34:00
On Site Datetime
2016-10-29 17:34:00
Federal
No
Location Type
Utility Right-Of-Way / Easement
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
37.0
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
Main
Installation Year
1987.0
Pipe Diameter
4.0
Pipe Specification
Unknown
Pipe Manufacturer
Unknown
Material Involved
Steel
Steel Seam Type
Other
Steel Seam Type Details
Longitudinal
Wt Steel
0.237
Release Type
Rupture
Rupture Orient
Circumferential
Rupture Length
10
Rupture Width
0.2
Class Location Type
Class 1 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
0.0
Est Cost Emergency
59053.0
Est Cost Other
5000.0
Est Cost Other Details
Meals And Hotels
Est Cost Unintentional Release
1350.0
Prpty
65403.0
Commercial Affected
212.0
Industrial Affected
0.0
Residences Affected
94.0
Accident Psig
285.0
Normal Psig
285.0
Mop Psig
433.0
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
Yes
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
No because this was a damaged line by unknown 3rd party
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Excavation Damage
Cause Details
Previous Damage Due To Excavation Activity
Ex Party Type
Previous Damage Due To Excavation Activity
Ex Hydrotest Leak Survey Date
2013-01-01 00:00:00
Ex Hydrotest Conducted Ind
No
Notify Cga Dirt
No
Private Row Ind
Yes
Private Subtype
Private Easement
Excavator Type
Unknown/other
Excavator Equipment
Unknown/other
Work Performed
Unknown/other
One Call Notified Ind
No
Service Interruption
Yes
Service Interruption Hours
25.0
Root Cause Category
Miscellaneous Root Causes
Root Cause Type
Previous Damage
Preparer Name
G** D*****
Preparer Title
Operations Compliance Manager
Preparer Email
G******@n*******.com
Preparer Telephone
(804)314-9390
Authorizer Name
G** D*****
Authorizer Title
Operations Compliance Manager
Authorizer Telephone
(804)314-9390
Authorizer Email
G******@n*******.com
Narrative
Previous unknown damage by unknown 3rd party caused gas main to leak . While crew was investigating source of gas leak, the pipe ruptured. Flow of gas was shut off at upstream station.
Occurred At 2016-10-29 16:34:00
Year 2016
Report Received Date 2016-11-21 00:00:00
Iyear 2016.0
Report Number 20160119.0
Supplemental Number 16437.0
Report Type Original Final
Operator Id 2604 PHMSA Enforcement
Name Columbia Gas Of Virginia Inc
Operator Street Address 1809 Coyote Drive
Operator City Name Chester
Operator State Abbreviation VA
Operator Postal Code 23836
Local Datetime 2016-10-29 16:29:00
Location Street Address 639 Davis Rd
Location City Name Chatham
Location County Name Pittsylvania
Location State Abbreviation VA
Location Postal Code 24531
Location Latitude 36.80512 Google Maps OpenStreetMap
Location Longitude -79.37849 Google Maps OpenStreetMap
Nrc Rpt Datetime 2016-10-31 16:00:00
Nrc Rpt Num 1162978 NRC Report How to search
Commodity Released Type Natural Gas
Unintentional Release 227.0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Ignite Ind No
Explode Ind No
Num Pub Evacuated 12.0
Incident Identified Datetime 2016-10-29 16:34:00
On Site Datetime 2016-10-29 17:34:00
Federal No
Location Type Utility Right-Of-Way / Easement
Incident Area Type Underground
Incident Area Subtype Under Soil
Depth Of Cover 37.0
Crossing No
Pipe Facility Type Investor Owned
System Part Involved Main
Installation Year 1987.0
Pipe Diameter 4.0
Pipe Specification Unknown
Pipe Manufacturer Unknown
Material Involved Steel
Steel Seam Type Other
Steel Seam Type Details Longitudinal
Wt Steel 0.237
Release Type Rupture
Rupture Orient Circumferential
Rupture Length 10
Rupture Width 0.2
Class Location Type Class 1 Location
Est Cost Oper Paid 0.0
Est Cost Prop Damage 0.0
Est Cost Emergency 59053.0
Est Cost Other 5000.0
Est Cost Other Details Meals And Hotels
Est Cost Unintentional Release 1350.0
Prpty 65403.0
Commercial Affected 212.0
Industrial Affected 0.0
Residences Affected 94.0
Accident Psig 285.0
Normal Psig 285.0
Mop Psig 433.0
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 Yes
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 No because this was a damaged line by unknown 3rd party
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Excavation Damage
Cause Details Previous Damage Due To Excavation Activity
Ex Party Type Previous Damage Due To Excavation Activity
Ex Hydrotest Leak Survey Date 2013-01-01 00:00:00
Ex Hydrotest Conducted Ind No
Notify Cga Dirt No
Private Row Ind Yes
Private Subtype Private Easement
Excavator Type Unknown/other
Excavator Equipment Unknown/other
Work Performed Unknown/other
One Call Notified Ind No
Service Interruption Yes
Service Interruption Hours 25.0
Root Cause Category Miscellaneous Root Causes
Root Cause Type Previous Damage
Preparer Name G** D*****
Preparer Title Operations Compliance Manager
Preparer Email G******@n*******.com
Preparer Telephone (804)314-9390
Authorizer Name G** D*****
Authorizer Title Operations Compliance Manager
Authorizer Telephone (804)314-9390
Authorizer Email G******@n*******.com
Narrative Previous unknown damage by unknown 3rd party caused gas main to leak . While crew was investigating source of gas leak, the pipe ruptured. Flow of gas was shut off at upstream station.

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