Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2011-04-17 — VA
Operator
Columbia Gas Of Virginia Inc
Cause
Locating Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$60,219
Incident datetime
2011-04-17 20:25
Report number
Location
VA, PRINCE WILLIAM
Narrative
On saturday 4-17-11 at 20:25 columbia gas of virginia (cgv) received a call from general excavating inc. (gei) stating they had damaged a 4 inch steel gas main at 14200 john marshall highway in gainesville, va. 20155 at 20:17 hrs. Cgv arrived on the scene at 21:03 hrs. To find a 4 inch steel main severed in half by a hitachi 450 track excavator. Gei had been excavating to install a 23 inch conduit for a future waterline. The prince william county fire department and police were on the scene. The critical valve was turned off to isolate the section of main which effected 862 cgv customers at 22:38 hrs. Gei was excavating under miss utility ticket #a109701138. Gei had already scheduled a road closure with vdot so traffic flow was not interrupted. The root cause investigation indicated that cgv's third party locator, utiliquest failed to mark the 4 inch steel gas main as indicated on company facility maps. Cgv crews completed repairs on monday 4-18-2011 at 13:00 hrs. And began the purging process with customer relights to follow.
Detailed record list
Occurred At
2011-04-17 20:25:00
Year
2011
Report Received Date
2011-05-13 00:00:00
Iyear
2011.0
Report Number
20110070.0
Supplemental Number
15250.0
Report Type
Original Final
Operator Id
2604
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
2011-04-17 20:17:00
Location Street Address
14200 John Marshall Highway
Location City Name
Gainesville
Location County Name
Prince William
Location State Abbreviation
VA
Location Postal Code
20155
Location Latitude
38.79919
Location Longitude
-77.61574
Nrc Rpt Datetime
2011-04-18 00:50:00
Nrc Rpt Num
973247
Commodity Released Type
Natural Gas
Unintentional Release
651.6
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0.0
Incident Identified Datetime
2011-04-17 20:25:00
On Site Datetime
2011-04-17 21:03:00
Federal
No
Location Type
Utility Right-Of-Way / Easement
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
36.0
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Installation Year
1967.0
Pipe Diameter
4.0
Pipe Specification
Unknown
Pipe Manufacturer
Unknown
Material Involved
Steel
Steel Seam Type
Seamless
Steel Seam Type Details
Seamless
Wt Steel
0.125
Release Type
Other
Release Type Details
Pipe Cut In Half With Track Hoe
Class Location Type
Class 2 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
60219.0
Est Cost Emergency
0.0
Est Cost Other
0.0
Est Cost Other Details
None
Est Cost Unintentional Release
3564.0
Prpty
63783.0
Commercial Affected
30.0
Industrial Affected
0.0
Residences Affected
832.0
Accident Psig
55.0
Normal Psig
55.0
Mop Psig
60.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Notification From Third Party That Caused The Incident
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
Yes
Num Contractors Tested
1
Num Contractors Failed
0
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
County Road
Excavator Type
Contractor
Excavator Equipment
Backhoe/trackhoe
Work Performed
Water
One Call Notified Ind
Yes
One Call Ticket Num
109701338
One Call Center Name
Miss Utility
Locator Type
Contract Locator
Visible Marks
Yes
Service Interruption
Yes
Service Interruption Hours
15.0
Root Cause Category
Locating Issue
Root Cause Type
Facility Not Marked Due To Locator Error
Preparer Name
A****** T*****
Preparer Title
Operations
Preparer Email
A*******@n*******.com
Preparer Telephone
804-768-6473
Preparer Fax
804-768-5913
Authorizer Name
T****** B*****
Authorizer Title
Operations Compliance Manger
Authorizer Telephone
804-768-6404
Authorizer Email
T*****@n*******.com
Narrative
On saturday 4-17-11 at 20:25 columbia gas of virginia (cgv) received a call from general excavating inc. (gei) stating they had damaged a 4 inch steel gas main at 14200 john marshall highway in gainesville, va. 20155 at 20:17 hrs. Cgv arrived on the scene at 21:03 hrs. To find a 4 inch steel main severed in half by a hitachi 450 track excavator. Gei had been excavating to install a 23 inch conduit for a future waterline. The prince william county fire department and police were on the scene. The critical valve was turned off to isolate the section of main which effected 862 cgv customers at 22:38 hrs. Gei was excavating under miss utility ticket #a109701138. Gei had already scheduled a road closure with vdot so traffic flow was not interrupted. The root cause investigation indicated that cgv's third party locator, utiliquest failed to mark the 4 inch steel gas main as indicated on company facility maps. Cgv crews completed repairs on monday 4-18-2011 at 13:00 hrs. And began the purging process with customer relights to follow.
| Occurred At | 2011-04-17 20:25:00 |
|---|---|
| Year | 2011 |
| Report Received Date | 2011-05-13 00:00:00 |
| Iyear | 2011.0 |
| Report Number | 20110070.0 |
| Supplemental Number | 15250.0 |
| 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 | 2011-04-17 20:17:00 |
| Location Street Address | 14200 John Marshall Highway |
| Location City Name | Gainesville |
| Location County Name | Prince William |
| Location State Abbreviation | VA |
| Location Postal Code | 20155 |
| Location Latitude | 38.79919 Google Maps OpenStreetMap |
| Location Longitude | -77.61574 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2011-04-18 00:50:00 |
| Nrc Rpt Num | 973247 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 651.6 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0.0 |
| Incident Identified Datetime | 2011-04-17 20:25:00 |
| On Site Datetime | 2011-04-17 21:03:00 |
| Federal | No |
| Location Type | Utility Right-Of-Way / Easement |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 36.0 |
| Crossing | No |
| Pipe Facility Type | Privately Owned |
| System Part Involved | Main |
| Installation Year | 1967.0 |
| Pipe Diameter | 4.0 |
| Pipe Specification | Unknown |
| Pipe Manufacturer | Unknown |
| Material Involved | Steel |
| Steel Seam Type | Seamless |
| Steel Seam Type Details | Seamless |
| Wt Steel | 0.125 |
| Release Type | Other |
| Release Type Details | Pipe Cut In Half With Track Hoe |
| Class Location Type | Class 2 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 60219.0 |
| Est Cost Emergency | 0.0 |
| Est Cost Other | 0.0 |
| Est Cost Other Details | None |
| Est Cost Unintentional Release | 3564.0 |
| Prpty | 63783.0 |
| Commercial Affected | 30.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 832.0 |
| Accident Psig | 55.0 |
| Normal Psig | 55.0 |
| Mop Psig | 60.0 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Scada In Place Ind | No |
| Accident Identifier | Notification From Third Party That Caused The Incident |
| 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 | Yes |
| Num Contractors Tested | 1 |
| Num Contractors Failed | 0 |
| 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 | County Road |
| Excavator Type | Contractor |
| Excavator Equipment | Backhoe/trackhoe |
| Work Performed | Water |
| One Call Notified Ind | Yes |
| One Call Ticket Num | 109701338 |
| One Call Center Name | Miss Utility |
| Locator Type | Contract Locator |
| Visible Marks | Yes |
| Service Interruption | Yes |
| Service Interruption Hours | 15.0 |
| Root Cause Category | Locating Issue |
| Root Cause Type | Facility Not Marked Due To Locator Error |
| Preparer Name | A****** T***** |
| Preparer Title | Operations |
| Preparer Email | A*******@n*******.com |
| Preparer Telephone | 804-768-6473 |
| Preparer Fax | 804-768-5913 |
| Authorizer Name | T****** B***** |
| Authorizer Title | Operations Compliance Manger |
| Authorizer Telephone | 804-768-6404 |
| Authorizer Email | T*****@n*******.com |
| Narrative | On saturday 4-17-11 at 20:25 columbia gas of virginia (cgv) received a call from general excavating inc. (gei) stating they had damaged a 4 inch steel gas main at 14200 john marshall highway in gainesville, va. 20155 at 20:17 hrs. Cgv arrived on the scene at 21:03 hrs. To find a 4 inch steel main severed in half by a hitachi 450 track excavator. Gei had been excavating to install a 23 inch conduit for a future waterline. The prince william county fire department and police were on the scene. The critical valve was turned off to isolate the section of main which effected 862 cgv customers at 22:38 hrs. Gei was excavating under miss utility ticket #a109701138. Gei had already scheduled a road closure with vdot so traffic flow was not interrupted. The root cause investigation indicated that cgv's third party locator, utiliquest failed to mark the 4 inch steel gas main as indicated on company facility maps. Cgv crews completed repairs on monday 4-18-2011 at 13:00 hrs. And began the purging process with customer relights to follow. |
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