GD incident on 2011-02-15 — MI

Operator
Michigan Consolidated Gas Co (Michcon)
Cause
Natural Force Damage
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$5,558
Incident datetime
2011-02-15 06:05
Report number
Location
MI, WAYNE
Narrative
At 06:05, on february 15, 2011, michcon responded to a reported explosion at 2400 s. Beatrice in the city of detroit, wayne county, mi. At 06:22 michcon personnel arrived and reported a wall down inside the building with no outside structure damage. Michcon located a leak over a 4-inch cast iron main located on downing street approximately 67 feet west of beatrice. A circumferential crack was found in the 4-inch cast iron main. At 11:30 michcon repaired the 4-inch cast iron main with a 4"x9" repair clamp and the leak was stopped. The depth of frost was 18-inches which caused the main to break. The depth of main is approximately 48-inches. The incident was a result of leaking gas migrating from the broken main, through the front yard, and into a storage room located in the center of the building. Source of ignition unknown.
Detailed record list
Occurred At
2011-02-15 06:05:00
Year
2011
Report Received Date
2011-03-16 00:00:00
Iyear
2011.0
Report Number
20110047.0
Supplemental Number
15216.0
Report Type
Original Final
Operator Id
Name
Michigan Consolidated Gas Co (Michcon)
Operator Street Address
One Energy Plaza
Operator City Name
Detroit
Operator State Abbreviation
MI
Operator Postal Code
48226
Local Datetime
2011-02-15 06:05:00
Location Street Address
2400 S Beatrice
Location City Name
Detroit
Location County Name
Wayne
Location State Abbreviation
MI
Location Postal Code
48217
Location Latitude
Location Longitude
Nrc Rpt Datetime
2011-02-15 08:06:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
Yes
Incident Identified Datetime
2011-02-15 06:05:00
On Site Datetime
2011-02-15 06:22:00
Federal
No
Location Type
Private Property
Incident Area Type
Aboveground
Incident Area Subtype
Inside A Building
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Installation Year
1930.0
Pipe Diameter
4.0
Pipe Specification
Unknown
Pipe Manufacturer
Unknown
Material Involved
Cast/wrought Iron
Release Type
Leak
Leak Type
Crack
Class Location Type
Class 3 Location
Est Cost Oper Paid
61000.0
Est Cost Prop Damage
5558.0
Est Cost Emergency
6102.0
Est Cost Other
0.0
Est Cost Unintentional Release
0.0
Prpty
72660.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
0.0
Accident Psig
5.0
Normal Psig
5.0
Mop Psig
5.0
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
Natural Force Damage
Cause Details
Temperature
Natural Force Type
Temperature
Temperature Subtype
Frost Heave
Nf Extreme Weather Ind
No
Preparer Name
R***** F*********
Preparer Title
Manager
Preparer Email
F**********@d********.com
Preparer Telephone
313-389-7755
Preparer Fax
313-389-7757
Authorizer Name
R***** F*********
Authorizer Title
Manager
Authorizer Telephone
313-389-7755
Authorizer Email
F**********@d********.com
Narrative
At 06:05, on february 15, 2011, michcon responded to a reported explosion at 2400 s. Beatrice in the city of detroit, wayne county, mi. At 06:22 michcon personnel arrived and reported a wall down inside the building with no outside structure damage. Michcon located a leak over a 4-inch cast iron main located on downing street approximately 67 feet west of beatrice. A circumferential crack was found in the 4-inch cast iron main. At 11:30 michcon repaired the 4-inch cast iron main with a 4"x9" repair clamp and the leak was stopped. The depth of frost was 18-inches which caused the main to break. The depth of main is approximately 48-inches. The incident was a result of leaking gas migrating from the broken main, through the front yard, and into a storage room located in the center of the building. Source of ignition unknown.
Occurred At 2011-02-15 06:05:00
Year 2011
Report Received Date 2011-03-16 00:00:00
Iyear 2011.0
Report Number 20110047.0
Supplemental Number 15216.0
Report Type Original Final
Operator Id 12408 PHMSA Enforcement
Name Michigan Consolidated Gas Co (Michcon)
Operator Street Address One Energy Plaza
Operator City Name Detroit
Operator State Abbreviation MI
Operator Postal Code 48226
Local Datetime 2011-02-15 06:05:00
Location Street Address 2400 S Beatrice
Location City Name Detroit
Location County Name Wayne
Location State Abbreviation MI
Location Postal Code 48217
Location Latitude 42.2697 Google Maps OpenStreetMap
Location Longitude -83.1541 Google Maps OpenStreetMap
Nrc Rpt Datetime 2011-02-15 08:06:00
Nrc Rpt Num 967487 NRC Report How to search
Commodity Released Type Natural Gas
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Ignite Ind No
Explode Ind Yes
Incident Identified Datetime 2011-02-15 06:05:00
On Site Datetime 2011-02-15 06:22:00
Federal No
Location Type Private Property
Incident Area Type Aboveground
Incident Area Subtype Inside A Building
Crossing No
Pipe Facility Type Privately Owned
System Part Involved Main
Installation Year 1930.0
Pipe Diameter 4.0
Pipe Specification Unknown
Pipe Manufacturer Unknown
Material Involved Cast/wrought Iron
Release Type Leak
Leak Type Crack
Class Location Type Class 3 Location
Est Cost Oper Paid 61000.0
Est Cost Prop Damage 5558.0
Est Cost Emergency 6102.0
Est Cost Other 0.0
Est Cost Unintentional Release 0.0
Prpty 72660.0
Commercial Affected 0.0
Industrial Affected 0.0
Residences Affected 0.0
Accident Psig 5.0
Normal Psig 5.0
Mop Psig 5.0
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 Natural Force Damage
Cause Details Temperature
Natural Force Type Temperature
Temperature Subtype Frost Heave
Nf Extreme Weather Ind No
Preparer Name R***** F*********
Preparer Title Manager
Preparer Email F**********@d********.com
Preparer Telephone 313-389-7755
Preparer Fax 313-389-7757
Authorizer Name R***** F*********
Authorizer Title Manager
Authorizer Telephone 313-389-7755
Authorizer Email F**********@d********.com
Narrative At 06:05, on february 15, 2011, michcon responded to a reported explosion at 2400 s. Beatrice in the city of detroit, wayne county, mi. At 06:22 michcon personnel arrived and reported a wall down inside the building with no outside structure damage. Michcon located a leak over a 4-inch cast iron main located on downing street approximately 67 feet west of beatrice. A circumferential crack was found in the 4-inch cast iron main. At 11:30 michcon repaired the 4-inch cast iron main with a 4"x9" repair clamp and the leak was stopped. The depth of frost was 18-inches which caused the main to break. The depth of main is approximately 48-inches. The incident was a result of leaking gas migrating from the broken main, through the front yard, and into a storage room located in the center of the building. Source of ignition unknown.

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