Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2013-08-09 — MI
Operator
Dte Gas Company
Cause
Notification Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$77,623
Incident datetime
2013-08-09 10:16
Report number
Location
MI, CHARLEVOIX
Narrative
Maintenance crew working for ski resort struck and completely severed a 4-inch plastic main while excavating for water system using a backhoe. Dte gas emergency response crew pinched the plastic pipe to control gas leaking at 45 psig within 2 hrs 4 min of notification, interrupting service to 200 residential and commercial customers to the west of the damage. Repair was made by installing a 4-foot segment of pre-tested 4-inch plastic pipe, joints made using two electrofusion couplings. Repair completed at 15:45. All affected customers were shut off at each service valve by 17:00. A purge plan was executed starting at 20:48 to re-activate the distribution system. The northwest section of the system was restored to normal operating pressure at 22:00, and relighting of those customers was initiated. The system was completely restored at 22:55. Relighting of customers continued until 01:00 on 8/10/2013 with 107 customers restored by then. Restoration continued at 09:30 on 8/10/2013 and completed at 15:30 with an additional 59 customers restored, leaving 34 customers shut off since nobody was at home.
Detailed record list
Occurred At
2013-08-09 10:16:00
Year
2013
Report Received Date
2013-08-20 00:00:00
Iyear
2013.0
Report Number
20130091.0
Supplemental Number
15724.0
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
2013-08-09 10:16:00
Location Street Address
2800 Boyne Mountain Road
Location City Name
Boyne Falls
Location County Name
Charlevoix
Location State Abbreviation
MI
Location Postal Code
49713-8214
Location Latitude
45.163983
Location Longitude
-84.933007
Nrc Rpt Datetime
2013-08-12 10:38:00
Nrc Rpt Num
1056830
Commodity Released Type
Natural Gas
Unintentional Release
149.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0.0
Incident Identified Datetime
2013-08-09 10:16:00
On Site Datetime
2013-08-09 10:25:00
Federal
No
Location Type
Private Property
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Depth Of Cover
36.0
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Installation Year
1994.0
Pipe Diameter
4.0
Pipe Specification
Astm D2513
Pipe Manufacturer
Plexco
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Plastic Sdr
11
Material Pe Pipe Code
3408
Release Type
Mechanical Puncture
Puncture Axial
1.0
Puncture Circum
3.7
Class Location Type
Class 3 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
77623.0
Est Cost Emergency
1125.0
Est Cost Other
0.0
Est Cost Unintentional Release
705.0
Prpty
79453.0
Commercial Affected
7.0
Industrial Affected
0.0
Residences Affected
193.0
Accident Psig
58.0
Normal Psig
58.0
Mop Psig
60.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Notification From Emergency Responder
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
Excavation Damage
Cause Details
Excavation Damage By Third Party
Ex Party Type
Excavation Damage By Third Party
Prior Notification Ind
No
Notify Cga Dirt
No
Private Row Ind
Yes
Private Subtype
Private Business
Pipeline Easement Row Ind
Yes
Excavator Type
Occupant
Excavator Equipment
Backhoe/trackhoe
Work Performed
Water
One Call Notified Ind
No
Locator Type
Unknown/other
Visible Marks
No
Service Interruption
Yes
Service Interruption Hours
11.0
Root Cause Category
Notification Issue
Root Cause Type
No Notification Made To The One-Call Center/811
Preparer Name
J*** D L******
Preparer Title
Compliance Engineer
Preparer Email
L*******@d********.com
Preparer Telephone
616.632.2646
Preparer Fax
616.632.2687
Authorizer Name
R***** H F*********
Authorizer Title
Compliance Manager
Authorizer Telephone
313.389.7755
Authorizer Email
F**********@d********.com
Narrative
Maintenance crew working for ski resort struck and completely severed a 4-inch plastic main while excavating for water system using a backhoe. Dte gas emergency response crew pinched the plastic pipe to control gas leaking at 45 psig within 2 hrs 4 min of notification, interrupting service to 200 residential and commercial customers to the west of the damage. Repair was made by installing a 4-foot segment of pre-tested 4-inch plastic pipe, joints made using two electrofusion couplings. Repair completed at 15:45. All affected customers were shut off at each service valve by 17:00. A purge plan was executed starting at 20:48 to re-activate the distribution system. The northwest section of the system was restored to normal operating pressure at 22:00, and relighting of those customers was initiated. The system was completely restored at 22:55. Relighting of customers continued until 01:00 on 8/10/2013 with 107 customers restored by then. Restoration continued at 09:30 on 8/10/2013 and completed at 15:30 with an additional 59 customers restored, leaving 34 customers shut off since nobody was at home.
| Occurred At | 2013-08-09 10:16:00 |
|---|---|
| Year | 2013 |
| Report Received Date | 2013-08-20 00:00:00 |
| Iyear | 2013.0 |
| Report Number | 20130091.0 |
| Supplemental Number | 15724.0 |
| 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 | 2013-08-09 10:16:00 |
| Location Street Address | 2800 Boyne Mountain Road |
| Location City Name | Boyne Falls |
| Location County Name | Charlevoix |
| Location State Abbreviation | MI |
| Location Postal Code | 49713-8214 |
| Location Latitude | 45.163983 Google Maps OpenStreetMap |
| Location Longitude | -84.933007 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2013-08-12 10:38:00 |
| Nrc Rpt Num | 1056830 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 149.0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0.0 |
| Incident Identified Datetime | 2013-08-09 10:16:00 |
| On Site Datetime | 2013-08-09 10:25:00 |
| Federal | No |
| Location Type | Private Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Exposed Due To Excavation |
| Depth Of Cover | 36.0 |
| Crossing | No |
| Pipe Facility Type | Privately Owned |
| System Part Involved | Main |
| Installation Year | 1994.0 |
| Pipe Diameter | 4.0 |
| Pipe Specification | Astm D2513 |
| Pipe Manufacturer | Plexco |
| Material Involved | Plastic |
| Plastic Type | Polyethylene (Pe) |
| Plastic Sdr | 11 |
| Material Pe Pipe Code | 3408 |
| Release Type | Mechanical Puncture |
| Puncture Axial | 1.0 |
| Puncture Circum | 3.7 |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 77623.0 |
| Est Cost Emergency | 1125.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 705.0 |
| Prpty | 79453.0 |
| Commercial Affected | 7.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 193.0 |
| Accident Psig | 58.0 |
| Normal Psig | 58.0 |
| Mop Psig | 60.0 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Scada In Place Ind | No |
| Accident Identifier | Notification From Emergency Responder |
| 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 | Excavation Damage |
| Cause Details | Excavation Damage By Third Party |
| Ex Party Type | Excavation Damage By Third Party |
| Prior Notification Ind | No |
| Notify Cga Dirt | No |
| Private Row Ind | Yes |
| Private Subtype | Private Business |
| Pipeline Easement Row Ind | Yes |
| Excavator Type | Occupant |
| Excavator Equipment | Backhoe/trackhoe |
| Work Performed | Water |
| One Call Notified Ind | No |
| Locator Type | Unknown/other |
| Visible Marks | No |
| Service Interruption | Yes |
| Service Interruption Hours | 11.0 |
| Root Cause Category | Notification Issue |
| Root Cause Type | No Notification Made To The One-Call Center/811 |
| Preparer Name | J*** D L****** |
| Preparer Title | Compliance Engineer |
| Preparer Email | L*******@d********.com |
| Preparer Telephone | 616.632.2646 |
| Preparer Fax | 616.632.2687 |
| Authorizer Name | R***** H F********* |
| Authorizer Title | Compliance Manager |
| Authorizer Telephone | 313.389.7755 |
| Authorizer Email | F**********@d********.com |
| Narrative | Maintenance crew working for ski resort struck and completely severed a 4-inch plastic main while excavating for water system using a backhoe. Dte gas emergency response crew pinched the plastic pipe to control gas leaking at 45 psig within 2 hrs 4 min of notification, interrupting service to 200 residential and commercial customers to the west of the damage. Repair was made by installing a 4-foot segment of pre-tested 4-inch plastic pipe, joints made using two electrofusion couplings. Repair completed at 15:45. All affected customers were shut off at each service valve by 17:00. A purge plan was executed starting at 20:48 to re-activate the distribution system. The northwest section of the system was restored to normal operating pressure at 22:00, and relighting of those customers was initiated. The system was completely restored at 22:55. Relighting of customers continued until 01:00 on 8/10/2013 with 107 customers restored by then. Restoration continued at 09:30 on 8/10/2013 and completed at 15:30 with an additional 59 customers restored, leaving 34 customers shut off since nobody was at home. |
External Resources
PHMSA pipeline safety insights.
Product
Features
Company
All rights reserved. Copyright © by ClearPHMSA