Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2014-09-29 — TX
Operator
Enbridge Energy, Limited Partnership
Cause
Equipment Failure
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$100
Incident datetime
2014-09-29 08:35
Report number
Location
TX
Narrative
At approximately 08:35, a contractor crew at mokena station discovered a release on line 14 from a flex hose off of a 2" take-off feeding pressure transmitters downstream of the pressure control valve. Cco was notified immediately and initiated shutdown of line 6 and line 14. The shutdown and isolation of l-14 was completed at 08:49, and line 6 shutdown and isolation was completed at 08:57. At 08:54, the on-call manager was notified and at 09:14, the station technician confirmed the release on line 14. Line 6 was restarted at 09:52 following the confirmation. Mechanical technicians were notified to initiate corrective action. The volume out was estimated to be 4 gallons and clean up began by ziron environmental services and plm at 10:25. During cleanup, the contractor identified penetrated soil below the release and began pot-holing a perimeter to determine the extent of the release. It was found that the impacted area reached a minimum of a 10 foot radius around the release site. On-call manager was notified of the increase in extent at 11:25 by station technician. Subsequently, the volume was estimated at approximately 1 bbl and the nrc was notified at 12:23 (report # 1096796). The damaged flex hose was replaced with hard piping and line 14 was restarted at 13:05. Approximately 265 tons of contaminated soil was disposed of at an approved site. Based on disposal volumes the final estimate was calculated at 21.38095 barrels released.
Detailed record list
Report Received Date
2014-10-22 00:00:00
Iyear
2014
Report Number
20140369
Supplemental Number
20078
Report Type
Supplemental Final
Operator Id
11169
Name
Enbridge Energy, Limited Partnership
Operator Street Address
915 N Eldridge Parkway, Suite 1100
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77079
Local Datetime
2014-09-29 08:35:00
Location Latitude
41.55556
Location Longitude
-87.88528
Commodity Released Type
Crude Oil
Unintentional Release Bbls
21.4
Recovered Bbls
21.4
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Contractor Working For The Operator
Incident Identified Datetime
2014-09-29 08:35:00
System Part Involved
Onshore Pump/meter Station Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2014-09-29 08:49:00
Restart Datetime
2014-09-29 13:05:00
On Site Datetime
2014-09-29 09:14:00
Nrc Rpt Datetime
2014-09-29 12:23:00
Nrc Rpt Num
1096796
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
14/mk
Segment Name
Line 14
Onshore State Abbreviation
Il
Onshore Postal Code
60448
Onshore City Name
Mokena
Onshore County Name
Will
Designated Location
Milepost/valve Station
Designated Name
Mp 438.39
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Other
Item Involved Details
Flex Hose
Installation Year
2010
Material Involved
Material Other Than Carbon Steel
Material Details
Stainless Steel
Release Type
Leak
Leak Type
Connection Failure
Wildlife Impact Ind
No
Soil Contamination
Yes
Long Term Assessment
No
Remediation Ind
Yes
Soil Remed Ind
Yes
Water Contam Ind
No
Could Be Hca
Yes
Commodity Reached Hca
Yes
High Pop Ind
Yes
High Pop Yes No
Yes
Est Cost Oper Paid
0
Est Cost Gas Released
88
Est Cost Prop Damage
100
Est Cost Emergency
159388
Est Cost Environmental
9520
Est Cost Other
0
Prpty
169096
Accident Psig
70
Mop Psig
275
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Pipeline Function
> 20% Smys Regulated Transmission
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
No
Scada Conf Ind
No
Cpm In Place Ind
Yes
Cpm Operating Ind
Yes
Cpm Functional Ind
Yes
Cpm Detection Ind
No
Cpm Conf Ind
No
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 incident was related to facilities and did not involve the control room
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Other Equipment Failure
Eq Failure Type
Other Equipment Failure
Failure Details
Flex Hose
Additional Vibration Ind
Yes
Preparer Name
P**** B*********
Preparer Title
Compliance Analyst
Preparer Email
P***************@e*******.com
Preparer Telephone
218-464-5744
Prepared Date
2015-01-22 00:00:00
Authorizer Name
D**** S*******
Authorizer Telephone
218-464-5751
Authorizer Title
Manager Us Pipeline Compliance
Authorizer Email
D*************@e*******.com
Narrative
At approximately 08:35, a contractor crew at mokena station discovered a release on line 14 from a flex hose off of a 2" take-off feeding pressure transmitters downstream of the pressure control valve. Cco was notified immediately and initiated shutdown of line 6 and line 14. The shutdown and isolation of l-14 was completed at 08:49, and line 6 shutdown and isolation was completed at 08:57. At 08:54, the on-call manager was notified and at 09:14, the station technician confirmed the release on line 14. Line 6 was restarted at 09:52 following the confirmation. Mechanical technicians were notified to initiate corrective action. The volume out was estimated to be 4 gallons and clean up began by ziron environmental services and plm at 10:25. During cleanup, the contractor identified penetrated soil below the release and began pot-holing a perimeter to determine the extent of the release. It was found that the impacted area reached a minimum of a 10 foot radius around the release site. On-call manager was notified of the increase in extent at 11:25 by station technician. Subsequently, the volume was estimated at approximately 1 bbl and the nrc was notified at 12:23 (report # 1096796). The damaged flex hose was replaced with hard piping and line 14 was restarted at 13:05. Approximately 265 tons of contaminated soil was disposed of at an approved site. Based on disposal volumes the final estimate was calculated at 21.38095 barrels released.
| Report Received Date | 2014-10-22 00:00:00 |
|---|---|
| Iyear | 2014 |
| Report Number | 20140369 |
| Supplemental Number | 20078 |
| Report Type | Supplemental Final |
| Operator Id | 11169 PHMSA Enforcement |
| Name | Enbridge Energy, Limited Partnership |
| Operator Street Address | 915 N Eldridge Parkway, Suite 1100 |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77079 |
| Local Datetime | 2014-09-29 08:35:00 |
| Location Latitude | 41.55556 Google Maps OpenStreetMap |
| Location Longitude | -87.88528 Google Maps OpenStreetMap |
| Commodity Released Type | Crude Oil |
| Unintentional Release Bbls | 21.4 |
| Recovered Bbls | 21.4 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Contractor Working For The Operator |
| Incident Identified Datetime | 2014-09-29 08:35:00 |
| System Part Involved | Onshore Pump/meter Station Equipment And Piping |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2014-09-29 08:49:00 |
| Restart Datetime | 2014-09-29 13:05:00 |
| On Site Datetime | 2014-09-29 09:14:00 |
| Nrc Rpt Datetime | 2014-09-29 12:23:00 |
| Nrc Rpt Num | 1096796 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | 14/mk |
| Segment Name | Line 14 |
| Onshore State Abbreviation | Il |
| Onshore Postal Code | 60448 |
| Onshore City Name | Mokena |
| Onshore County Name | Will |
| Designated Location | Milepost/valve Station |
| Designated Name | Mp 438.39 |
| Federal | No |
| Location Type | Totally Contained On Operator-Controlled Property |
| Incident Area Type | Aboveground |
| Incident Area Subtype | Typical Aboveground Facility Piping Or Appurtenance |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Other |
| Item Involved Details | Flex Hose |
| Installation Year | 2010 |
| Material Involved | Material Other Than Carbon Steel |
| Material Details | Stainless Steel |
| Release Type | Leak |
| Leak Type | Connection Failure |
| Wildlife Impact Ind | No |
| Soil Contamination | Yes |
| Long Term Assessment | No |
| Remediation Ind | Yes |
| Soil Remed Ind | Yes |
| Water Contam Ind | No |
| Could Be Hca | Yes |
| Commodity Reached Hca | Yes |
| High Pop Ind | Yes |
| High Pop Yes No | Yes |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 88 |
| Est Cost Prop Damage | 100 |
| Est Cost Emergency | 159388 |
| Est Cost Environmental | 9520 |
| Est Cost Other | 0 |
| Prpty | 169096 |
| Accident Psig | 70 |
| Mop Psig | 275 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Pipeline Function | > 20% Smys Regulated Transmission |
| Scada In Place Ind | Yes |
| Scada Operating Ind | Yes |
| Scada Functional Ind | Yes |
| Scada Detection Ind | No |
| Scada Conf Ind | No |
| Cpm In Place Ind | Yes |
| Cpm Operating Ind | Yes |
| Cpm Functional Ind | Yes |
| Cpm Detection Ind | No |
| Cpm Conf Ind | No |
| 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 incident was related to facilities and did not involve the control room |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Equipment Failure |
| Cause Details | Other Equipment Failure |
| Eq Failure Type | Other Equipment Failure |
| Failure Details | Flex Hose |
| Additional Vibration Ind | Yes |
| Preparer Name | P**** B********* |
| Preparer Title | Compliance Analyst |
| Preparer Email | P***************@e*******.com |
| Preparer Telephone | 218-464-5744 |
| Prepared Date | 2015-01-22 00:00:00 |
| Authorizer Name | D**** S******* |
| Authorizer Telephone | 218-464-5751 |
| Authorizer Title | Manager Us Pipeline Compliance |
| Authorizer Email | D*************@e*******.com |
| Narrative | At approximately 08:35, a contractor crew at mokena station discovered a release on line 14 from a flex hose off of a 2" take-off feeding pressure transmitters downstream of the pressure control valve. Cco was notified immediately and initiated shutdown of line 6 and line 14. The shutdown and isolation of l-14 was completed at 08:49, and line 6 shutdown and isolation was completed at 08:57. At 08:54, the on-call manager was notified and at 09:14, the station technician confirmed the release on line 14. Line 6 was restarted at 09:52 following the confirmation. Mechanical technicians were notified to initiate corrective action. The volume out was estimated to be 4 gallons and clean up began by ziron environmental services and plm at 10:25. During cleanup, the contractor identified penetrated soil below the release and began pot-holing a perimeter to determine the extent of the release. It was found that the impacted area reached a minimum of a 10 foot radius around the release site. On-call manager was notified of the increase in extent at 11:25 by station technician. Subsequently, the volume was estimated at approximately 1 bbl and the nrc was notified at 12:23 (report # 1096796). The damaged flex hose was replaced with hard piping and line 14 was restarted at 13:05. Approximately 265 tons of contaminated soil was disposed of at an approved site. Based on disposal volumes the final estimate was calculated at 21.38095 barrels released. |
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