GD incident on 2016-12-15 — IL

Operator
Northern Illinois Gas Co
Cause
Pipe, Weld, Or Joint Failure
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 2 injuries
Property damage (nominal)
$133,122
Incident datetime
2016-12-15 15:55
Report number
Location
IL, WILL
Narrative
Discovered cracked 6" steel main at the intersection of 143rd st and parker road. There was evidence of a dent from previous excavation damage at the location of the crack. Gas migrated through a sewer and resulted in an explosion at 14145 parker rd., which was a about one block away from the location of the cracked main.
Detailed record list
Occurred At
2016-12-15 15:55:00
Year
2016
Report Received Date
2017-01-13 00:00:00
Iyear
2016.0
Report Number
20170005.0
Supplemental Number
31259.0
Report Type
Supplemental
Operator Id
Name
Northern Illinois Gas Co
Operator Street Address
P.o. Box 190, Rt 59 & I-88
Operator City Name
Aurora
Operator State Abbreviation
IL
Operator Postal Code
60507
Local Datetime
2016-12-15 16:12:00
Location Street Address
14145 Parker Road
Location City Name
Homer Glen
Location County Name
Will
Location State Abbreviation
IL
Location Postal Code
60491
Location Latitude
Location Longitude
Nrc Rpt Datetime
2016-12-15 18:17:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Unintentional Release
13585.8
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
Yes
Num Pub Evacuated
50.0
Incident Identified Datetime
2016-12-15 15:55:00
On Site Datetime
2016-12-15 14:31:00
Federal
No
Location Type
Public Property
Incident Area Type
Underground
Incident Area Subtype
Under Pavement
Depth Of Cover
64.0
Crossing
Yes
Road Crossing Ind
Yes
Road Type
Uncased
Pipe Facility Type
Investor Owned
System Part Involved
Main
Installation Year
1963.0
Pipe Diameter
6.625
Pipe Specification
Unknown
Pipe Manufacturer
Unknown
Material Involved
Steel
Steel Seam Type
Other
Steel Seam Type Details
Unknown
Wt Steel
0.188
Release Type
Rupture
Rupture Orient
Circumferential
Rupture Length
12.5
Rupture Width
0.5
Class Location Type
Class 3 Location
Est Cost Oper Paid
275000.0
Est Cost Prop Damage
133122.0
Est Cost Emergency
2000.0
Est Cost Other
0.0
Est Cost Unintentional Release
4755.0
Prpty
414877.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
23.0
Accident Psig
54.0
Normal Psig
58.0
Mop Psig
60.0
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
Pipe, Weld, Or Joint Failure
Cause Details
Body Of Pipe
Pwjf Failure Type
Body Of Pipe
Pipe Body Subtype
Crack
Additional Dent Ind
Yes
Result Previous Ind
Yes
Hydrotest Conducted Ind
No
Preparer Name
L****** Q******
Preparer Title
Director Compliance And Quality Assurance
Preparer Email
L******@s*********.com
Preparer Telephone
630-388-2316
Authorizer Name
L****** Q******
Authorizer Title
Director Compliance And Quality Assurance
Authorizer Telephone
630-388-2316
Authorizer Email
L******@s*********.com
Narrative
Discovered cracked 6" steel main at the intersection of 143rd st and parker road. There was evidence of a dent from previous excavation damage at the location of the crack. Gas migrated through a sewer and resulted in an explosion at 14145 parker rd., which was a about one block away from the location of the cracked main.
Occurred At 2016-12-15 15:55:00
Year 2016
Report Received Date 2017-01-13 00:00:00
Iyear 2016.0
Report Number 20170005.0
Supplemental Number 31259.0
Report Type Supplemental
Operator Id 13710 PHMSA Enforcement
Name Northern Illinois Gas Co
Operator Street Address P.o. Box 190, Rt 59 & I-88
Operator City Name Aurora
Operator State Abbreviation IL
Operator Postal Code 60507
Local Datetime 2016-12-15 16:12:00
Location Street Address 14145 Parker Road
Location City Name Homer Glen
Location County Name Will
Location State Abbreviation IL
Location Postal Code 60491
Location Latitude 41.630913 Google Maps OpenStreetMap
Location Longitude -87.950473 Google Maps OpenStreetMap
Nrc Rpt Datetime 2016-12-15 18:17:00
Nrc Rpt Num 1166478 NRC Report How to search
Commodity Released Type Natural Gas
Unintentional Release 13585.8
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 Yes
Num Pub Evacuated 50.0
Incident Identified Datetime 2016-12-15 15:55:00
On Site Datetime 2016-12-15 14:31:00
Federal No
Location Type Public Property
Incident Area Type Underground
Incident Area Subtype Under Pavement
Depth Of Cover 64.0
Crossing Yes
Road Crossing Ind Yes
Road Type Uncased
Pipe Facility Type Investor Owned
System Part Involved Main
Installation Year 1963.0
Pipe Diameter 6.625
Pipe Specification Unknown
Pipe Manufacturer Unknown
Material Involved Steel
Steel Seam Type Other
Steel Seam Type Details Unknown
Wt Steel 0.188
Release Type Rupture
Rupture Orient Circumferential
Rupture Length 12.5
Rupture Width 0.5
Class Location Type Class 3 Location
Est Cost Oper Paid 275000.0
Est Cost Prop Damage 133122.0
Est Cost Emergency 2000.0
Est Cost Other 0.0
Est Cost Unintentional Release 4755.0
Prpty 414877.0
Commercial Affected 0.0
Industrial Affected 0.0
Residences Affected 23.0
Accident Psig 54.0
Normal Psig 58.0
Mop Psig 60.0
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 Pipe, Weld, Or Joint Failure
Cause Details Body Of Pipe
Pwjf Failure Type Body Of Pipe
Pipe Body Subtype Crack
Additional Dent Ind Yes
Result Previous Ind Yes
Hydrotest Conducted Ind No
Preparer Name L****** Q******
Preparer Title Director Compliance And Quality Assurance
Preparer Email L******@s*********.com
Preparer Telephone 630-388-2316
Authorizer Name L****** Q******
Authorizer Title Director Compliance And Quality Assurance
Authorizer Telephone 630-388-2316
Authorizer Email L******@s*********.com
Narrative Discovered cracked 6" steel main at the intersection of 143rd st and parker road. There was evidence of a dent from previous excavation damage at the location of the crack. Gas migrated through a sewer and resulted in an explosion at 14145 parker rd., which was a about one block away from the location of the cracked main.

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