Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2017-10-04 — UT
Operator
Dominion Energy Utah/wyoming/idaho
Cause
Excavation Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$12,512
Incident datetime
2017-10-04 16:06
Report number
Location
UT, SALT LAKE COUNTY
Narrative
On october 4, 2017 dominion energy utah (deu) was notified by phone at 14:55 that a 3rd party excavator had struck a natural gas pipeline while excavating causing gas to escape and ignite. Minor injuries not requiring medical attention were sustained by the equipment operator and the excavating equipment was damaged. Deu isolated the damaged pipeline by squeezing off the line in 2 locations. The line was isolated at 16:03. In addition to deu, the local fire and health department were contacted and dispatched to the site. Pursuant to cfr 49 part 191.5 deu contacted the national response center upon discovery of the reportable incident due to cost of property damage exceeding $50,000. The utah division of public utilities- pipeline safety was also contacted and reported to the site. Due to the release of fluids from the damaged excavating equipment, the site had to be remediated prior to the pipeline replacement. Deu replaced the affected section of pipeline and returned to service on october 27, 2017.
Detailed record list
Occurred At
2017-10-04 16:06:00
Year
2017
Report Received Date
2017-11-03 00:00:00
Iyear
2017.0
Report Number
20170101.0
Supplemental Number
16681.0
Report Type
Original Final
Operator Id
12876
Name
Dominion Energy Utah/wyoming/idaho
Operator Street Address
333 South State Street P.o. Box 45360
Operator City Name
Salt Lake City
Operator State Abbreviation
UT
Operator Postal Code
84111
Local Datetime
2017-10-04 14:55:00
Location Street Address
6580 S 3000 E
Location City Name
Cottonwood Heights
Location County Name
Salt Lake County
Location State Abbreviation
UT
Location Postal Code
84121
Location Latitude
40.63016
Location Longitude
-111.807
Nrc Rpt Datetime
2017-10-04 16:09:00
Nrc Rpt Num
1192313
Commodity Released Type
Natural Gas
Unintentional Release
545.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
Yes
Explode Ind
No
Num Pub Evacuated
0.0
Incident Identified Datetime
2017-10-04 16:06:00
On Site Datetime
2017-10-04 15:15:00
Federal
No
Location Type
Utility Right-Of-Way / Easement
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
Main
Installation Year
1984.0
Pipe Diameter
3.0
Pipe Specification
Astm D2513
Pipe Manufacturer
Dupont
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Plastic Sdr
11.5
Material Pe Pipe Code
2406
Release Type
Mechanical Puncture
Puncture Axial
1.0
Puncture Circum
3.0
Class Location Type
Class 3 Location
Est Cost Oper Paid
300000.0
Est Cost Prop Damage
12512.0
Est Cost Emergency
0.0
Est Cost Other
0.0
Est Cost Unintentional Release
2538.0
Prpty
315050.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
0.0
Accident Psig
45.0
Normal Psig
45.0
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
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
72680035
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
L***** S*****
Preparer Title
Engineer-Pipeline Compliance
Preparer Email
L**************@d*************.com
Preparer Telephone
2166338865
Authorizer Name
R*** H***
Authorizer Title
Manager-Gas Operations
Authorizer Telephone
8013243374
Authorizer Email
R********@d*************.com
Narrative
On october 4, 2017 dominion energy utah (deu) was notified by phone at 14:55 that a 3rd party excavator had struck a natural gas pipeline while excavating causing gas to escape and ignite. Minor injuries not requiring medical attention were sustained by the equipment operator and the excavating equipment was damaged. Deu isolated the damaged pipeline by squeezing off the line in 2 locations. The line was isolated at 16:03. In addition to deu, the local fire and health department were contacted and dispatched to the site. Pursuant to cfr 49 part 191.5 deu contacted the national response center upon discovery of the reportable incident due to cost of property damage exceeding $50,000. The utah division of public utilities- pipeline safety was also contacted and reported to the site. Due to the release of fluids from the damaged excavating equipment, the site had to be remediated prior to the pipeline replacement. Deu replaced the affected section of pipeline and returned to service on october 27, 2017.
| Occurred At | 2017-10-04 16:06:00 |
|---|---|
| Year | 2017 |
| Report Received Date | 2017-11-03 00:00:00 |
| Iyear | 2017.0 |
| Report Number | 20170101.0 |
| Supplemental Number | 16681.0 |
| Report Type | Original Final |
| Operator Id | 12876 PHMSA Enforcement |
| Name | Dominion Energy Utah/wyoming/idaho |
| Operator Street Address | 333 South State Street P.o. Box 45360 |
| Operator City Name | Salt Lake City |
| Operator State Abbreviation | UT |
| Operator Postal Code | 84111 |
| Local Datetime | 2017-10-04 14:55:00 |
| Location Street Address | 6580 S 3000 E |
| Location City Name | Cottonwood Heights |
| Location County Name | Salt Lake County |
| Location State Abbreviation | UT |
| Location Postal Code | 84121 |
| Location Latitude | 40.63016 Google Maps OpenStreetMap |
| Location Longitude | -111.807 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2017-10-04 16:09:00 |
| Nrc Rpt Num | 1192313 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 545.0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | Yes |
| Explode Ind | No |
| Num Pub Evacuated | 0.0 |
| Incident Identified Datetime | 2017-10-04 16:06:00 |
| On Site Datetime | 2017-10-04 15:15:00 |
| Federal | No |
| Location Type | Utility Right-Of-Way / Easement |
| Incident Area Type | Underground |
| Incident Area Subtype | Exposed Due To Excavation |
| Crossing | No |
| Pipe Facility Type | Investor Owned |
| System Part Involved | Main |
| Installation Year | 1984.0 |
| Pipe Diameter | 3.0 |
| Pipe Specification | Astm D2513 |
| Pipe Manufacturer | Dupont |
| Material Involved | Plastic |
| Plastic Type | Polyethylene (Pe) |
| Plastic Sdr | 11.5 |
| Material Pe Pipe Code | 2406 |
| Release Type | Mechanical Puncture |
| Puncture Axial | 1.0 |
| Puncture Circum | 3.0 |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 300000.0 |
| Est Cost Prop Damage | 12512.0 |
| Est Cost Emergency | 0.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 2538.0 |
| Prpty | 315050.0 |
| Commercial Affected | 0.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 0.0 |
| Accident Psig | 45.0 |
| Normal Psig | 45.0 |
| 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 | 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 | 72680035 |
| 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 | L***** S***** |
| Preparer Title | Engineer-Pipeline Compliance |
| Preparer Email | L**************@d*************.com |
| Preparer Telephone | 2166338865 |
| Authorizer Name | R*** H*** |
| Authorizer Title | Manager-Gas Operations |
| Authorizer Telephone | 8013243374 |
| Authorizer Email | R********@d*************.com |
| Narrative | On october 4, 2017 dominion energy utah (deu) was notified by phone at 14:55 that a 3rd party excavator had struck a natural gas pipeline while excavating causing gas to escape and ignite. Minor injuries not requiring medical attention were sustained by the equipment operator and the excavating equipment was damaged. Deu isolated the damaged pipeline by squeezing off the line in 2 locations. The line was isolated at 16:03. In addition to deu, the local fire and health department were contacted and dispatched to the site. Pursuant to cfr 49 part 191.5 deu contacted the national response center upon discovery of the reportable incident due to cost of property damage exceeding $50,000. The utah division of public utilities- pipeline safety was also contacted and reported to the site. Due to the release of fluids from the damaged excavating equipment, the site had to be remediated prior to the pipeline replacement. Deu replaced the affected section of pipeline and returned to service on october 27, 2017. |
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