Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2011-08-17 — TX
Operator
Enbridge Energy, Limited Partnership
Cause
Natural Force Damage
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$1,300
Incident datetime
2011-08-17 09:40
Report number
Location
TX
Narrative
On august 17 enbridge laborers, cutting grass within the superior terminal, discovered a small amount of oil on the ground near the sw corner of tank 12. Local plm and technicians were called to the scene to investigate. On august 18, enbridge chose to call the nrc to verbally report since the cost threshold was still undetermined. Approximately 40 gallons of oil was confirmed to be within the soil near the affected valve. After excavation and further investigation, it was discovered that a pipe nipple on a terminal gate valve had cracked due to frost heave. All of the small piping on the valve has been replaced. The enbridge environment department is directing the removal of the approximately 200 yards of contaminated soil.
Detailed record list
Report Received Date
2011-09-14 00:00:00
Iyear
2011
Report Number
20110339
Supplemental Number
18544
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
2011-08-17 09:40:00
Location Latitude
46.68889
Location Longitude
-92.05972
Commodity Released Type
Crude Oil
Unintentional Release Bbls
0.95
Intentional Release Bbls
0
Recovered Bbls
0.95
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
Incident Identified Datetime
2011-08-17 09:40:00
System Part Involved
Onshore Terminal/tank Farm Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
No
Shutdown Explain
M/l Pressure Not A Factor (Cracked Pipe Nipple On Terminal Gate Valve)
On Site Datetime
2011-08-17 10:40:00
Nrc Rpt Datetime
2011-08-18 08:16:00
Nrc Rpt Num
986355
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Superior Terminal
Onshore State Abbreviation
Wi
Onshore Postal Code
54880
Onshore City Name
Superior
Onshore County Name
Douglas
Designated Location
Milepost/valve Station
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
80
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Auxiliary Piping (E.g. Drain Lines)
Installation Year
1994
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Crack
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
Other Pop Ind
Yes
Est Cost Oper Paid
0
Est Cost Gas Released
0
Est Cost Prop Damage
1300
Est Cost Emergency
25000
Est Cost Environmental
55000
Est Cost Other
0
Prpty
81300
Accident Psig
100
Mop Psig
160
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
Yes, specify investigation result(s): (select all that apply)
Invest No Control Room Ind
Yes
Invest No Controller Ind
Yes
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Natural Force Damage
Cause Details
Temperature
Natural Force Type
Temperature
Temperature Subtype
Frost Heave
Nf Extreme Weather Ind
No
Preparer Name
S**** S****
Preparer Title
Compliance Analyst
Preparer Email
S**********@e*******.com
Preparer Telephone
218-464-5754
Preparer Fax
218-464-5992
Prepared Date
2013-09-12 00:00:00
Authorizer Name
D**** S*******
Authorizer Telephone
218-464-5751
Authorizer Title
Manager Us Pipeline Compliance
Authorizer Email
D*************@e*******.com
Narrative
On august 17 enbridge laborers, cutting grass within the superior terminal, discovered a small amount of oil on the ground near the sw corner of tank 12. Local plm and technicians were called to the scene to investigate. On august 18, enbridge chose to call the nrc to verbally report since the cost threshold was still undetermined. Approximately 40 gallons of oil was confirmed to be within the soil near the affected valve. After excavation and further investigation, it was discovered that a pipe nipple on a terminal gate valve had cracked due to frost heave. All of the small piping on the valve has been replaced. The enbridge environment department is directing the removal of the approximately 200 yards of contaminated soil.
| Report Received Date | 2011-09-14 00:00:00 |
|---|---|
| Iyear | 2011 |
| Report Number | 20110339 |
| Supplemental Number | 18544 |
| 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 | 2011-08-17 09:40:00 |
| Location Latitude | 46.68889 Google Maps OpenStreetMap |
| Location Longitude | -92.05972 Google Maps OpenStreetMap |
| Commodity Released Type | Crude Oil |
| Unintentional Release Bbls | 0.95 |
| Intentional Release Bbls | 0 |
| Recovered Bbls | 0.95 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Operator Employee |
| Incident Identified Datetime | 2011-08-17 09:40:00 |
| System Part Involved | Onshore Terminal/tank Farm Equipment And Piping |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | M/l Pressure Not A Factor (Cracked Pipe Nipple On Terminal Gate Valve) |
| On Site Datetime | 2011-08-17 10:40:00 |
| Nrc Rpt Datetime | 2011-08-18 08:16:00 |
| Nrc Rpt Num | 986355 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Superior Terminal |
| Onshore State Abbreviation | Wi |
| Onshore Postal Code | 54880 |
| Onshore City Name | Superior |
| Onshore County Name | Douglas |
| Designated Location | Milepost/valve Station |
| Federal | No |
| Location Type | Totally Contained On Operator-Controlled Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 80 |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Auxiliary Piping (E.g. Drain Lines) |
| Installation Year | 1994 |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Crack |
| 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 |
| Other Pop Ind | Yes |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 0 |
| Est Cost Prop Damage | 1300 |
| Est Cost Emergency | 25000 |
| Est Cost Environmental | 55000 |
| Est Cost Other | 0 |
| Prpty | 81300 |
| Accident Psig | 100 |
| Mop Psig | 160 |
| 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 | Yes, specify investigation result(s): (select all that apply) |
| Invest No Control Room Ind | Yes |
| Invest No Controller Ind | Yes |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Natural Force Damage |
| Cause Details | Temperature |
| Natural Force Type | Temperature |
| Temperature Subtype | Frost Heave |
| Nf Extreme Weather Ind | No |
| Preparer Name | S**** S**** |
| Preparer Title | Compliance Analyst |
| Preparer Email | S**********@e*******.com |
| Preparer Telephone | 218-464-5754 |
| Preparer Fax | 218-464-5992 |
| Prepared Date | 2013-09-12 00:00:00 |
| Authorizer Name | D**** S******* |
| Authorizer Telephone | 218-464-5751 |
| Authorizer Title | Manager Us Pipeline Compliance |
| Authorizer Email | D*************@e*******.com |
| Narrative | On august 17 enbridge laborers, cutting grass within the superior terminal, discovered a small amount of oil on the ground near the sw corner of tank 12. Local plm and technicians were called to the scene to investigate. On august 18, enbridge chose to call the nrc to verbally report since the cost threshold was still undetermined. Approximately 40 gallons of oil was confirmed to be within the soil near the affected valve. After excavation and further investigation, it was discovered that a pipe nipple on a terminal gate valve had cracked due to frost heave. All of the small piping on the valve has been replaced. The enbridge environment department is directing the removal of the approximately 200 yards of contaminated soil. |
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