Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2017-12-15 — AK
Operator
Enstar Natural Gas Co
Cause
Excavation Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$2,135
Incident datetime
2017-12-15 10:37
Report number
Location
AK, MATANUSKA-SUSITNA BOROUGH
Narrative
A third party contractor drilling environmental monitoring wells ruptured a 2 inch pe main. The natural gas ignited and consumed the drilling rig in flames. The contractor was working under a valid locate ticket held by the project owner. The project owner failed to maintain the locate marks and failed to operate with proper regard for public safety and failed to take all the proper steps to prevent damage to natural gas facility's.
Detailed record list
Occurred At
2017-12-15 10:37:00
Year
2017
Report Received Date
2018-01-05 00:00:00
Iyear
2017.0
Report Number
20180004.0
Supplemental Number
16752.0
Report Type
Supplemental Final
Operator Id
4483
Name
Enstar Natural Gas Co
Operator Street Address
5151 Fairbanks Street P.o. Box 190288
Operator City Name
Anchorage
Operator State Abbreviation
AK
Operator Postal Code
99519
Local Datetime
2017-12-15 10:37:00
Location Street Address
2405 Old Glenn Highway
Location City Name
Palmer
Location County Name
Matanuska-Susitna Borough
Location State Abbreviation
AK
Location Postal Code
99645-7553
Location Latitude
61.60719
Location Longitude
-149.059311
Nrc Rpt Datetime
2017-12-15 11:57:00
Nrc Rpt Num
1199761
Commodity Released Type
Natural Gas
Unintentional Release
142.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
Yes
Explode Ind
No
Num Pub Evacuated
4.0
Incident Identified Datetime
2017-12-15 10:37:00
On Site Datetime
2017-12-15 10:50:00
Federal
No
Location Type
Utility Right-Of-Way / Easement
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
72.0
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Installation Year
1997.0
Pipe Diameter
2.0
Pipe Specification
Astm D2513
Pipe Manufacturer
Drisco
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Plastic Sdr
11
Material Pe Pipe Code
3408
Release Type
Mechanical Puncture
Puncture Axial
2.0
Puncture Circum
6.3
Class Location Type
Class 3 Location
Est Cost Oper Paid
60000.0
Est Cost Prop Damage
2135.0
Est Cost Emergency
3720.0
Est Cost Other
0.0
Est Cost Unintentional Release
2078.0
Prpty
67933.0
Commercial Affected
1.0
Industrial Affected
0.0
Residences Affected
0.0
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 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
The rupture was due to third party damage.
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
Ex Hydrotest Leak Survey Date
2016-01-01 00:00:00
Ex Hydrotest Conducted Ind
No
Prior Notification Ind
Yes
One Call System Ind
Yes
Notify Cga Dirt
No
Public Row Ind
Yes
Public Subtype
Other
Public Util Easement Row Ind
Yes
Excavator Type
Contractor
Excavator Equipment
Drilling
Work Performed
Engineering/surveying
One Call Notified Ind
Yes
One Call Ticket Num
2017500024
One Call Center Name
No
Locator Type
Utility Owner
Visible Marks
Yes
Service Interruption
Yes
Service Interruption Hours
7.0
Root Cause Category
Excavation Issue
Root Cause Type
Marks Faded Or Not Maintained
Preparer Name
R**** A****
Preparer Title
Compliance Engineer
Preparer Email
R**********@e***************.com
Preparer Telephone
9073347765
Authorizer Name
S**** C*****
Authorizer Title
Director Of Operations
Authorizer Telephone
9073347730
Authorizer Email
S***********@e***************.com
Narrative
A third party contractor drilling environmental monitoring wells ruptured a 2 inch pe main. The natural gas ignited and consumed the drilling rig in flames. The contractor was working under a valid locate ticket held by the project owner. The project owner failed to maintain the locate marks and failed to operate with proper regard for public safety and failed to take all the proper steps to prevent damage to natural gas facility's.
| Occurred At | 2017-12-15 10:37:00 |
|---|---|
| Year | 2017 |
| Report Received Date | 2018-01-05 00:00:00 |
| Iyear | 2017.0 |
| Report Number | 20180004.0 |
| Supplemental Number | 16752.0 |
| Report Type | Supplemental Final |
| Operator Id | 4483 PHMSA Enforcement |
| Name | Enstar Natural Gas Co |
| Operator Street Address | 5151 Fairbanks Street P.o. Box 190288 |
| Operator City Name | Anchorage |
| Operator State Abbreviation | AK |
| Operator Postal Code | 99519 |
| Local Datetime | 2017-12-15 10:37:00 |
| Location Street Address | 2405 Old Glenn Highway |
| Location City Name | Palmer |
| Location County Name | Matanuska-Susitna Borough |
| Location State Abbreviation | AK |
| Location Postal Code | 99645-7553 |
| Location Latitude | 61.60719 Google Maps OpenStreetMap |
| Location Longitude | -149.059311 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2017-12-15 11:57:00 |
| Nrc Rpt Num | 1199761 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 142.0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | Yes |
| Explode Ind | No |
| Num Pub Evacuated | 4.0 |
| Incident Identified Datetime | 2017-12-15 10:37:00 |
| On Site Datetime | 2017-12-15 10:50:00 |
| Federal | No |
| Location Type | Utility Right-Of-Way / Easement |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 72.0 |
| Crossing | No |
| Pipe Facility Type | Privately Owned |
| System Part Involved | Main |
| Installation Year | 1997.0 |
| Pipe Diameter | 2.0 |
| Pipe Specification | Astm D2513 |
| Pipe Manufacturer | Drisco |
| Material Involved | Plastic |
| Plastic Type | Polyethylene (Pe) |
| Plastic Sdr | 11 |
| Material Pe Pipe Code | 3408 |
| Release Type | Mechanical Puncture |
| Puncture Axial | 2.0 |
| Puncture Circum | 6.3 |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 60000.0 |
| Est Cost Prop Damage | 2135.0 |
| Est Cost Emergency | 3720.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 2078.0 |
| Prpty | 67933.0 |
| Commercial Affected | 1.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 0.0 |
| 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 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 | The rupture was due to third party damage. |
| 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 |
| Ex Hydrotest Leak Survey Date | 2016-01-01 00:00:00 |
| Ex Hydrotest Conducted Ind | No |
| Prior Notification Ind | Yes |
| One Call System Ind | Yes |
| Notify Cga Dirt | No |
| Public Row Ind | Yes |
| Public Subtype | Other |
| Public Util Easement Row Ind | Yes |
| Excavator Type | Contractor |
| Excavator Equipment | Drilling |
| Work Performed | Engineering/surveying |
| One Call Notified Ind | Yes |
| One Call Ticket Num | 2017500024 |
| One Call Center Name | No |
| Locator Type | Utility Owner |
| Visible Marks | Yes |
| Service Interruption | Yes |
| Service Interruption Hours | 7.0 |
| Root Cause Category | Excavation Issue |
| Root Cause Type | Marks Faded Or Not Maintained |
| Preparer Name | R**** A**** |
| Preparer Title | Compliance Engineer |
| Preparer Email | R**********@e***************.com |
| Preparer Telephone | 9073347765 |
| Authorizer Name | S**** C***** |
| Authorizer Title | Director Of Operations |
| Authorizer Telephone | 9073347730 |
| Authorizer Email | S***********@e***************.com |
| Narrative | A third party contractor drilling environmental monitoring wells ruptured a 2 inch pe main. The natural gas ignited and consumed the drilling rig in flames. The contractor was working under a valid locate ticket held by the project owner. The project owner failed to maintain the locate marks and failed to operate with proper regard for public safety and failed to take all the proper steps to prevent damage to natural gas facility's. |
External Resources
PHMSA pipeline safety insights.
Product
Features
Company
All rights reserved. Copyright © by ClearPHMSA