Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2019-09-04 — MI
Operator
Dte Gas Company
Cause
Equipment Failure
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$150,000
Incident datetime
2019-09-04 11:00
Report number
Location
MI, WAYNE
Narrative
Dte gas employees identified a leak on the 36-inch van born pipeline during routine maintenance work on 9/4/2019. The pressure was initial lowered to 215 psig and monitored continuously until a blow down procedure was executed. It was determined after excavating that leak was on plug in flange on stopple. It appeared that the completion plug inside is leaking and possibly unseated. The repair was made and the pipe was return to service on 9/16/19.
Detailed record list
Occurred At
2019-09-04 11:00:00
Year
2019
Report Received Date
2019-12-20 00:00:00
Iyear
2019.0
Report Number
20190150.0
Supplemental Number
33823.0
Report Type
Supplemental Final
Operator Id
12408
Name
Dte Gas Company
Operator Street Address
1 Energy Plaza
Operator City Name
Detroit
Operator State Abbreviation
MI
Operator Postal Code
48226
Local Datetime
2019-09-04 18:32:00
Location Street Address
45581 Ecorse Road
Location City Name
Van Buren Township
Location County Name
Wayne
Location State Abbreviation
MI
Location Postal Code
48111
Location Latitude
42.24795
Location Longitude
-83.48686
Nrc Rpt Datetime
2019-09-07 14:09:00
Nrc Rpt Num
1257534
Commodity Released Type
Natural Gas
Unintentional Release
4810.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0.0
Incident Identified Datetime
2019-09-04 11:00:00
On Site Datetime
2019-09-04 11:00:00
Federal
No
Location Type
Utility Right-Of-Way / Easement
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Other
System Part Details
Found A Leaking Plug In Flange On Stopple
Material Involved
Steel
Steel Seam Type
Other
Steel Seam Type Details
Unknown
Release Type
Leak
Leak Type
Seal Or Packing
Class Location Type
Class 3 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
150000.0
Est Cost Emergency
75000.0
Est Cost Other
0.0
Est Cost Unintentional Release
13468.0
Prpty
238468.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
0.0
Accident Psig
289.0
Normal Psig
289.0
Mop Psig
300.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
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
Equipment Failure
Cause Details
Malfunction Of Control/relief Equipment
Eq Failure Type
Malfunction Of Control/relief Equipment
Stopple Control Fitting Ind
Yes
Preparer Name
F***** S****
Preparer Title
Manager Codes And Standards
Preparer Email
F***********@d********.com
Preparer Telephone
313-389-7762
Authorizer Name
F***** S****
Authorizer Title
Manager Codes And Standards
Authorizer Telephone
313-389-7762
Authorizer Email
F***********@d********.com
Narrative
Dte gas employees identified a leak on the 36-inch van born pipeline during routine maintenance work on 9/4/2019. The pressure was initial lowered to 215 psig and monitored continuously until a blow down procedure was executed. It was determined after excavating that leak was on plug in flange on stopple. It appeared that the completion plug inside is leaking and possibly unseated. The repair was made and the pipe was return to service on 9/16/19.
| Occurred At | 2019-09-04 11:00:00 |
|---|---|
| Year | 2019 |
| Report Received Date | 2019-12-20 00:00:00 |
| Iyear | 2019.0 |
| Report Number | 20190150.0 |
| Supplemental Number | 33823.0 |
| Report Type | Supplemental Final |
| Operator Id | 12408 PHMSA Enforcement |
| Name | Dte Gas Company |
| Operator Street Address | 1 Energy Plaza |
| Operator City Name | Detroit |
| Operator State Abbreviation | MI |
| Operator Postal Code | 48226 |
| Local Datetime | 2019-09-04 18:32:00 |
| Location Street Address | 45581 Ecorse Road |
| Location City Name | Van Buren Township |
| Location County Name | Wayne |
| Location State Abbreviation | MI |
| Location Postal Code | 48111 |
| Location Latitude | 42.24795 Google Maps OpenStreetMap |
| Location Longitude | -83.48686 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2019-09-07 14:09:00 |
| Nrc Rpt Num | 1257534 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 4810.0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0.0 |
| Incident Identified Datetime | 2019-09-04 11:00:00 |
| On Site Datetime | 2019-09-04 11:00:00 |
| Federal | No |
| Location Type | Utility Right-Of-Way / Easement |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Crossing | No |
| Pipe Facility Type | Privately Owned |
| System Part Involved | Other |
| System Part Details | Found A Leaking Plug In Flange On Stopple |
| Material Involved | Steel |
| Steel Seam Type | Other |
| Steel Seam Type Details | Unknown |
| Release Type | Leak |
| Leak Type | Seal Or Packing |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 150000.0 |
| Est Cost Emergency | 75000.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 13468.0 |
| Prpty | 238468.0 |
| Commercial Affected | 0.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 0.0 |
| Accident Psig | 289.0 |
| Normal Psig | 289.0 |
| Mop Psig | 300.0 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Scada In Place Ind | No |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Operator Employee |
| 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 | Equipment Failure |
| Cause Details | Malfunction Of Control/relief Equipment |
| Eq Failure Type | Malfunction Of Control/relief Equipment |
| Stopple Control Fitting Ind | Yes |
| Preparer Name | F***** S**** |
| Preparer Title | Manager Codes And Standards |
| Preparer Email | F***********@d********.com |
| Preparer Telephone | 313-389-7762 |
| Authorizer Name | F***** S**** |
| Authorizer Title | Manager Codes And Standards |
| Authorizer Telephone | 313-389-7762 |
| Authorizer Email | F***********@d********.com |
| Narrative | Dte gas employees identified a leak on the 36-inch van born pipeline during routine maintenance work on 9/4/2019. The pressure was initial lowered to 215 psig and monitored continuously until a blow down procedure was executed. It was determined after excavating that leak was on plug in flange on stopple. It appeared that the completion plug inside is leaking and possibly unseated. The repair was made and the pipe was return to service on 9/16/19. |
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