Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2011-06-10 — MN
Operator
Centerpoint Energy Resources Corp., Dba Centerpoint Energy Minnesota Gas
Cause
Incorrect Operation
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
1 injury
Property damage (nominal)
$0
Incident datetime
2011-06-10 15:45
Report number
Location
MN, HENNEPIN
Narrative
The contractor, michels pipeline, purged a 16" gas main that was being abandoned. There were two open ends of an 8" main that teed off the 16". The stub attached to the 16" main was sealed with foam and covered with electrical tape. A welder from michels was in the process of welding an end cap on the other end of the 8" main. After making his initial tack, the end of the pipe that was taped and sealed with foam combusted outward blowing the foam out and burning the michels welder.
Detailed record list
Occurred At
2011-06-10 15:45:00
Year
2011
Report Received Date
2011-07-28 00:00:00
Iyear
2011.0
Report Number
20110260.0
Supplemental Number
15392.0
Report Type
Supplemental Final
Operator Id
12350
Name
Centerpoint Energy Resources Corp., Dba Centerpoint Energy Minnesota Gas
Operator Street Address
800 Lasalle Avenue, P.o. Box 59038
Operator City Name
Minneapolis
Operator State Abbreviation
MN
Operator Postal Code
55406
Local Datetime
2011-06-10 15:45:00
Location Street Address
Riverside And Franklin Ave
Location City Name
Minneapolis
Location County Name
Hennepin
Location State Abbreviation
MN
Location Postal Code
55406
Location Latitude
44.96277
Location Longitude
-93.229839
Nrc Rpt Datetime
2011-06-10 17:54:00
Nrc Rpt Num
979316
Commodity Released Type
Natural Gas
Fatality Ind
No
Fatal
0
Injury Ind
Yes
Num Emp Injuries
0
Num Contr Injuries
1
Num Er Injuries
0
Num Worker Injuries
0
Num Gp Injuries
0
Injure
1
Ignite Ind
Yes
Explode Ind
Yes
Num Pub Evacuated
0.0
Incident Identified Datetime
2011-06-10 15:45:00
On Site Datetime
2011-06-10 17:00:00
Federal
No
Location Type
Public Property
Incident Area Type
Underground
Incident Area Subtype
Under Pavement
Depth Of Cover
60.0
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Installation Year
1962.0
Pipe Diameter
8.0
Pipe Specification
Unknown
Pipe Manufacturer
Unknown
Material Involved
Steel
Steel Seam Type
Other
Steel Seam Type Details
Unknown
Release Type
Other
Release Type Details
Abandoned Section Of Pipe Contained Gas.
Class Location Type
Class 3 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
0.0
Est Cost Emergency
2240.0
Est Cost Other
0.0
Est Cost Other Details
None
Est Cost Unintentional Release
0.0
Prpty
2240.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
0.0
Accident Psig
0.0
Normal Psig
0.0
Mop Psig
0.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Contractor Working For The Operator
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 section of main was being abandoned and would not have been on scada when the incident occurred.
Employee Drug Test Ind
Yes
Num Employees Tested
2
Num Employees Failed
0
Contractor Drug Test Ind
Yes
Num Contractors Tested
5
Num Contractors Failed
0
Cause
Incorrect Operation
Cause Details
Other Incorrect Operation
Operation Type
Other Incorrect Operation
Operation Details
Abandoned Section Of Main Was Not Evacuated Of Gas.
Related Failure Follow Ind
Yes
Category Type
Decommissioning
Operator Qualification Ind
Yes
Qualified Individuals
Yes, They Were Qualified For The Task(S)
Preparer Name
S**** O******
Preparer Title
Operational Specialist I
Preparer Email
S************@c****************.com
Preparer Telephone
612.321.5453
Authorizer Name
D*** H******
Authorizer Title
Pipeline Safety And Compliance Manager
Authorizer Telephone
612.321.5366
Authorizer Email
D***********@c****************.com
Narrative
The contractor, michels pipeline, purged a 16" gas main that was being abandoned. There were two open ends of an 8" main that teed off the 16". The stub attached to the 16" main was sealed with foam and covered with electrical tape. A welder from michels was in the process of welding an end cap on the other end of the 8" main. After making his initial tack, the end of the pipe that was taped and sealed with foam combusted outward blowing the foam out and burning the michels welder.
| Occurred At | 2011-06-10 15:45:00 |
|---|---|
| Year | 2011 |
| Report Received Date | 2011-07-28 00:00:00 |
| Iyear | 2011.0 |
| Report Number | 20110260.0 |
| Supplemental Number | 15392.0 |
| Report Type | Supplemental Final |
| Operator Id | 12350 PHMSA Enforcement |
| Name | Centerpoint Energy Resources Corp., Dba Centerpoint Energy Minnesota Gas |
| Operator Street Address | 800 Lasalle Avenue, P.o. Box 59038 |
| Operator City Name | Minneapolis |
| Operator State Abbreviation | MN |
| Operator Postal Code | 55406 |
| Local Datetime | 2011-06-10 15:45:00 |
| Location Street Address | Riverside And Franklin Ave |
| Location City Name | Minneapolis |
| Location County Name | Hennepin |
| Location State Abbreviation | MN |
| Location Postal Code | 55406 |
| Location Latitude | 44.96277 Google Maps OpenStreetMap |
| Location Longitude | -93.229839 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2011-06-10 17:54:00 |
| Nrc Rpt Num | 979316 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | Yes |
| Num Emp Injuries | 0 |
| Num Contr Injuries | 1 |
| Num Er Injuries | 0 |
| Num Worker Injuries | 0 |
| Num Gp Injuries | 0 |
| Injure | 1 |
| Ignite Ind | Yes |
| Explode Ind | Yes |
| Num Pub Evacuated | 0.0 |
| Incident Identified Datetime | 2011-06-10 15:45:00 |
| On Site Datetime | 2011-06-10 17:00:00 |
| Federal | No |
| Location Type | Public Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Pavement |
| Depth Of Cover | 60.0 |
| Crossing | No |
| Pipe Facility Type | Privately Owned |
| System Part Involved | Main |
| Installation Year | 1962.0 |
| Pipe Diameter | 8.0 |
| Pipe Specification | Unknown |
| Pipe Manufacturer | Unknown |
| Material Involved | Steel |
| Steel Seam Type | Other |
| Steel Seam Type Details | Unknown |
| Release Type | Other |
| Release Type Details | Abandoned Section Of Pipe Contained Gas. |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 0.0 |
| Est Cost Emergency | 2240.0 |
| Est Cost Other | 0.0 |
| Est Cost Other Details | None |
| Est Cost Unintentional Release | 0.0 |
| Prpty | 2240.0 |
| Commercial Affected | 0.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 0.0 |
| Accident Psig | 0.0 |
| Normal Psig | 0.0 |
| Mop Psig | 0.0 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Scada In Place Ind | No |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Contractor Working For The Operator |
| 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 section of main was being abandoned and would not have been on scada when the incident occurred. |
| Employee Drug Test Ind | Yes |
| Num Employees Tested | 2 |
| Num Employees Failed | 0 |
| Contractor Drug Test Ind | Yes |
| Num Contractors Tested | 5 |
| Num Contractors Failed | 0 |
| Cause | Incorrect Operation |
| Cause Details | Other Incorrect Operation |
| Operation Type | Other Incorrect Operation |
| Operation Details | Abandoned Section Of Main Was Not Evacuated Of Gas. |
| Related Failure Follow Ind | Yes |
| Category Type | Decommissioning |
| Operator Qualification Ind | Yes |
| Qualified Individuals | Yes, They Were Qualified For The Task(S) |
| Preparer Name | S**** O****** |
| Preparer Title | Operational Specialist I |
| Preparer Email | S************@c****************.com |
| Preparer Telephone | 612.321.5453 |
| Authorizer Name | D*** H****** |
| Authorizer Title | Pipeline Safety And Compliance Manager |
| Authorizer Telephone | 612.321.5366 |
| Authorizer Email | D***********@c****************.com |
| Narrative | The contractor, michels pipeline, purged a 16" gas main that was being abandoned. There were two open ends of an 8" main that teed off the 16". The stub attached to the 16" main was sealed with foam and covered with electrical tape. A welder from michels was in the process of welding an end cap on the other end of the 8" main. After making his initial tack, the end of the pipe that was taped and sealed with foam combusted outward blowing the foam out and burning the michels welder. |
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