GD incident on 2015-06-06 — MI

Operator
Consumers Energy Co
Cause
Excavation Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 2 injuries
Property damage (nominal)
$7,883
Incident datetime
2015-06-06 11:38
Report number
Location
MI, GENESEE
Narrative
On saturday june 6, 2015 at approximately 11:38 hours a contractor performing road reconstruction at the intersection of dort highway and I-69 in flint, michigan (genesee county) made contact with an 8" plastic gas distribution main, causing a gouge in its upper quadrant, and resulting in blowing gas. The flint fire department arrived on site at approximately 11:50 assessed the situation and left before ce personnel arrive. Consumers energy (ce) was notified and personnel arrived on-site at approximately 12.06 to assess the potential public hazard, secure the site and assess the damage to ce facilities to determine next steps. At approximately 13:20 the escaping gas ignited resulting in a fireball injuring two motorists traveling northbound on dort hwy. One motorist was transported by ems to the local hospital and the second motorist was transported to the local hospital by private vehicle. Both motorists sustained injuries that required overnight hospitalization. The fire department/ems returned to the site at approximately 13:27 to assist the injured motorists and requested police support to block highway traffic.The northbound lanes of dort hwy and a section of east and westbound I-69 were blocked as a result of the ignition. Railroad operators were also notified to divert rail traffic from the damage site. The pipeline was squeezed off at the north and south sides of the damage area and blowing gas was stopped at approximately 16:18, the fire was extinguished at approximately 16:31. The vehicles driven by the injured motorist as well as a crane being utilized at the construction site may have incurred heat damage.
Detailed record list
Occurred At
2015-06-06 11:38:00
Year
2015
Report Received Date
2015-07-06 00:00:00
Iyear
2015.0
Report Number
20150066.0
Supplemental Number
16242.0
Report Type
Supplemental Final
Operator Id
Name
Consumers Energy Co
Operator Street Address
One Energy Plaza
Operator City Name
Jackson
Operator State Abbreviation
MI
Operator Postal Code
49201
Local Datetime
2015-06-06 11:38:00
Location Street Address
S. Dort Highway & I-69
Location City Name
Flint
Location County Name
Genesee
Location State Abbreviation
MI
Location Postal Code
48503
Location Latitude
Location Longitude
Nrc Rpt Datetime
2015-06-06 16:35:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Unintentional Release
5883.0
Fatality Ind
No
Fatal
0
Injury Ind
Yes
Num Emp Injuries
0
Num Contr Injuries
0
Num Er Injuries
0
Num Worker Injuries
0
Num Gp Injuries
2
Injure
2
Ignite Ind
Yes
Explode Ind
No
Num Pub Evacuated
3.0
Incident Identified Datetime
2015-06-06 11:38:00
On Site Datetime
2015-06-06 12:06:00
Federal
No
Location Type
Utility Right-Of-Way / Easement
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
36.0
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Installation Year
1997.0
Pipe Diameter
8.0
Pipe Specification
Astm D2513
Pipe Manufacturer
Performance Pipe
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Wt Plastic
0.784
Material Pe Pipe Code
2406
Release Type
Mechanical Puncture
Puncture Axial
14.0
Puncture Circum
2.0
Class Location Type
Class 3 Location
Est Cost Oper Paid
50000.0
Est Cost Prop Damage
7883.0
Est Cost Emergency
668.0
Est Cost Other
0.0
Est Cost Unintentional Release
43890.0
Prpty
102441.0
Commercial Affected
3.0
Industrial Affected
0.0
Residences Affected
0.0
Accident Psig
55.0
Normal Psig
55.0
Mop Psig
60.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
No
Scada Conf Ind
No
Accident Identifier
Notification From Third Party That Caused The Incident
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 pipeline was damaged during road reconstruction and reported by the damaging party.
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
Yes
One Call System Ind
Yes
Notify Cga Dirt
Yes
Public Row Ind
Yes
Public Subtype
State Highway
Excavator Type
Contractor
Excavator Equipment
Backhoe/trackhoe
Work Performed
Road Work
One Call Notified Ind
Yes
One Call Ticket Num
51381293
Locator Type
Contract Locator
Visible Marks
No
Service Interruption
Yes
Service Interruption Hours
116.0
Root Cause Category
Excavation Issue
Root Cause Type
Improper Backfilling Practices
Preparer Name
C******* K***
Preparer Title
Senior Engineering Technical Analyst I
Preparer Email
C************@c********.com
Preparer Telephone
517-788-0509
Authorizer Name
A*** M* C*********
Authorizer Title
Gas Regulatory Services Engineer
Authorizer Telephone
989-791-5841
Authorizer Email
A**************@c********.com
Narrative
On saturday june 6, 2015 at approximately 11:38 hours a contractor performing road reconstruction at the intersection of dort highway and I-69 in flint, michigan (genesee county) made contact with an 8" plastic gas distribution main, causing a gouge in its upper quadrant, and resulting in blowing gas. The flint fire department arrived on site at approximately 11:50 assessed the situation and left before ce personnel arrive. Consumers energy (ce) was notified and personnel arrived on-site at approximately 12.06 to assess the potential public hazard, secure the site and assess the damage to ce facilities to determine next steps. At approximately 13:20 the escaping gas ignited resulting in a fireball injuring two motorists traveling northbound on dort hwy. One motorist was transported by ems to the local hospital and the second motorist was transported to the local hospital by private vehicle. Both motorists sustained injuries that required overnight hospitalization. The fire department/ems returned to the site at approximately 13:27 to assist the injured motorists and requested police support to block highway traffic.The northbound lanes of dort hwy and a section of east and westbound I-69 were blocked as a result of the ignition. Railroad operators were also notified to divert rail traffic from the damage site. The pipeline was squeezed off at the north and south sides of the damage area and blowing gas was stopped at approximately 16:18, the fire was extinguished at approximately 16:31. The vehicles driven by the injured motorist as well as a crane being utilized at the construction site may have incurred heat damage.
Occurred At 2015-06-06 11:38:00
Year 2015
Report Received Date 2015-07-06 00:00:00
Iyear 2015.0
Report Number 20150066.0
Supplemental Number 16242.0
Report Type Supplemental Final
Operator Id 2748 PHMSA Enforcement
Name Consumers Energy Co
Operator Street Address One Energy Plaza
Operator City Name Jackson
Operator State Abbreviation MI
Operator Postal Code 49201
Local Datetime 2015-06-06 11:38:00
Location Street Address S. Dort Highway & I-69
Location City Name Flint
Location County Name Genesee
Location State Abbreviation MI
Location Postal Code 48503
Location Latitude 43.012721 Google Maps OpenStreetMap
Location Longitude -83.654125 Google Maps OpenStreetMap
Nrc Rpt Datetime 2015-06-06 16:35:00
Nrc Rpt Num 1118894 NRC Report How to search
Commodity Released Type Natural Gas
Unintentional Release 5883.0
Fatality Ind No
Fatal 0
Injury Ind Yes
Num Emp Injuries 0
Num Contr Injuries 0
Num Er Injuries 0
Num Worker Injuries 0
Num Gp Injuries 2
Injure 2
Ignite Ind Yes
Explode Ind No
Num Pub Evacuated 3.0
Incident Identified Datetime 2015-06-06 11:38:00
On Site Datetime 2015-06-06 12:06:00
Federal No
Location Type Utility Right-Of-Way / Easement
Incident Area Type Underground
Incident Area Subtype Under Soil
Depth Of Cover 36.0
Crossing No
Pipe Facility Type Privately Owned
System Part Involved Main
Installation Year 1997.0
Pipe Diameter 8.0
Pipe Specification Astm D2513
Pipe Manufacturer Performance Pipe
Material Involved Plastic
Plastic Type Polyethylene (Pe)
Wt Plastic 0.784
Material Pe Pipe Code 2406
Release Type Mechanical Puncture
Puncture Axial 14.0
Puncture Circum 2.0
Class Location Type Class 3 Location
Est Cost Oper Paid 50000.0
Est Cost Prop Damage 7883.0
Est Cost Emergency 668.0
Est Cost Other 0.0
Est Cost Unintentional Release 43890.0
Prpty 102441.0
Commercial Affected 3.0
Industrial Affected 0.0
Residences Affected 0.0
Accident Psig 55.0
Normal Psig 55.0
Mop Psig 60.0
Accident Pressure Pressure Did Not Exceed Maop
Scada In Place Ind Yes
Scada Operating Ind Yes
Scada Functional Ind Yes
Scada Detection Ind No
Scada Conf Ind No
Accident Identifier Notification From Third Party That Caused The Incident
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 pipeline was damaged during road reconstruction and reported by the damaging party.
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 Yes
One Call System Ind Yes
Notify Cga Dirt Yes
Public Row Ind Yes
Public Subtype State Highway
Excavator Type Contractor
Excavator Equipment Backhoe/trackhoe
Work Performed Road Work
One Call Notified Ind Yes
One Call Ticket Num 51381293
Locator Type Contract Locator
Visible Marks No
Service Interruption Yes
Service Interruption Hours 116.0
Root Cause Category Excavation Issue
Root Cause Type Improper Backfilling Practices
Preparer Name C******* K***
Preparer Title Senior Engineering Technical Analyst I
Preparer Email C************@c********.com
Preparer Telephone 517-788-0509
Authorizer Name A*** M* C*********
Authorizer Title Gas Regulatory Services Engineer
Authorizer Telephone 989-791-5841
Authorizer Email A**************@c********.com
Narrative On saturday june 6, 2015 at approximately 11:38 hours a contractor performing road reconstruction at the intersection of dort highway and I-69 in flint, michigan (genesee county) made contact with an 8" plastic gas distribution main, causing a gouge in its upper quadrant, and resulting in blowing gas. The flint fire department arrived on site at approximately 11:50 assessed the situation and left before ce personnel arrive. Consumers energy (ce) was notified and personnel arrived on-site at approximately 12.06 to assess the potential public hazard, secure the site and assess the damage to ce facilities to determine next steps. At approximately 13:20 the escaping gas ignited resulting in a fireball injuring two motorists traveling northbound on dort hwy. One motorist was transported by ems to the local hospital and the second motorist was transported to the local hospital by private vehicle. Both motorists sustained injuries that required overnight hospitalization. The fire department/ems returned to the site at approximately 13:27 to assist the injured motorists and requested police support to block highway traffic.The northbound lanes of dort hwy and a section of east and westbound I-69 were blocked as a result of the ignition. Railroad operators were also notified to divert rail traffic from the damage site. The pipeline was squeezed off at the north and south sides of the damage area and blowing gas was stopped at approximately 16:18, the fire was extinguished at approximately 16:31. The vehicles driven by the injured motorist as well as a crane being utilized at the construction site may have incurred heat damage.

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