Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2016-04-21 — UT
Operator
Questar Gas Company
Cause
Excavation Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$68
Incident datetime
2016-04-21 16:21
Report number
Location
UT, WEBER
Narrative
3rd party damage to 4" inch plastic main causing release of gas. Safety considerations were employed to determine it was best to shut the gas supply to the damaged area by use of valves instead of remote hole squeeze location. Intended original to be original/final. Final button was not clicked. No supplemental information.
Detailed record list
Occurred At
2016-04-21 16:21:00
Year
2016
Report Received Date
2016-05-19 00:00:00
Iyear
2016.0
Report Number
20160047.0
Supplemental Number
16788.0
Report Type
Supplemental Final
Operator Id
12876
Name
Questar Gas Company
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
2016-04-21 16:21:00
Location Street Address
Harrision Blvd And Douglas St
Location City Name
Ogden
Location County Name
Weber
Location State Abbreviation
UT
Location Postal Code
84404
Location Latitude
41.25695
Location Longitude
-111.94786
Nrc Rpt Datetime
2016-04-22 08:08:00
Nrc Rpt Num
1145920
Commodity Released Type
Natural Gas
Unintentional Release
4453.3
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
20.0
Incident Identified Datetime
2016-04-21 16:21:00
On Site Datetime
2016-04-21 16:40:00
Federal
No
Location Type
Public Property
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Installation Year
1983.0
Pipe Diameter
4.0
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
5.5
Puncture Circum
4.2
Class Location Type
Class 3 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
68.0
Est Cost Emergency
7389.0
Est Cost Other
0.0
Est Cost Unintentional Release
19301.0
Prpty
26758.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
0.0
Accident Psig
40.0
Normal Psig
40.0
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
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
State Highway
Excavator Type
Contractor
Excavator Equipment
Backhoe/trackhoe
Work Performed
Road Work
One Call Notified Ind
Yes
One Call Ticket Num
60990168
Locator Type
Contract Locator
Visible Marks
Yes
Root Cause Category
Excavation Issue
Root Cause Type
Improper Excavation Practice Not Listed Above
Preparer Name
R*** H***
Preparer Title
Manager Gas Operations
Preparer Email
R********@d*************.com
Preparer Telephone
8013243374
Authorizer Name
V***** S******
Authorizer Title
Vp Operations
Authorizer Telephone
8013243384
Authorizer Email
V*************@q******.com
Narrative
3rd party damage to 4" inch plastic main causing release of gas. Safety considerations were employed to determine it was best to shut the gas supply to the damaged area by use of valves instead of remote hole squeeze location. Intended original to be original/final. Final button was not clicked. No supplemental information.
| Occurred At | 2016-04-21 16:21:00 |
|---|---|
| Year | 2016 |
| Report Received Date | 2016-05-19 00:00:00 |
| Iyear | 2016.0 |
| Report Number | 20160047.0 |
| Supplemental Number | 16788.0 |
| Report Type | Supplemental Final |
| Operator Id | 12876 PHMSA Enforcement |
| Name | Questar Gas Company |
| 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 | 2016-04-21 16:21:00 |
| Location Street Address | Harrision Blvd And Douglas St |
| Location City Name | Ogden |
| Location County Name | Weber |
| Location State Abbreviation | UT |
| Location Postal Code | 84404 |
| Location Latitude | 41.25695 Google Maps OpenStreetMap |
| Location Longitude | -111.94786 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2016-04-22 08:08:00 |
| Nrc Rpt Num | 1145920 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 4453.3 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 20.0 |
| Incident Identified Datetime | 2016-04-21 16:21:00 |
| On Site Datetime | 2016-04-21 16:40:00 |
| Federal | No |
| Location Type | Public Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Exposed Due To Excavation |
| Crossing | No |
| Pipe Facility Type | Privately Owned |
| System Part Involved | Main |
| Installation Year | 1983.0 |
| Pipe Diameter | 4.0 |
| 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 | 5.5 |
| Puncture Circum | 4.2 |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 68.0 |
| Est Cost Emergency | 7389.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 19301.0 |
| Prpty | 26758.0 |
| Commercial Affected | 0.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 0.0 |
| Accident Psig | 40.0 |
| Normal Psig | 40.0 |
| 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 | 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 | State Highway |
| Excavator Type | Contractor |
| Excavator Equipment | Backhoe/trackhoe |
| Work Performed | Road Work |
| One Call Notified Ind | Yes |
| One Call Ticket Num | 60990168 |
| Locator Type | Contract Locator |
| Visible Marks | Yes |
| Root Cause Category | Excavation Issue |
| Root Cause Type | Improper Excavation Practice Not Listed Above |
| Preparer Name | R*** H*** |
| Preparer Title | Manager Gas Operations |
| Preparer Email | R********@d*************.com |
| Preparer Telephone | 8013243374 |
| Authorizer Name | V***** S****** |
| Authorizer Title | Vp Operations |
| Authorizer Telephone | 8013243384 |
| Authorizer Email | V*************@q******.com |
| Narrative | 3rd party damage to 4" inch plastic main causing release of gas. Safety considerations were employed to determine it was best to shut the gas supply to the damaged area by use of valves instead of remote hole squeeze location. Intended original to be original/final. Final button was not clicked. No supplemental information. |
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