GD incident on 2017-09-14 — IL

Operator
Northern Illinois Gas Co
Cause
Excavation Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$17,016
Incident datetime
2017-09-14 14:02
Report number
Location
IL, DUPAGE
Narrative
While grading parallel to a main, within the tolerance zone, a third party excavator struck a 1" gauge tee located on the side of a 12" steel main and caused a release of natural gas into the atmosphere.
Detailed record list
Occurred At
2017-09-14 14:02:00
Year
2017
Report Received Date
2017-11-02 00:00:00
Iyear
2017.0
Report Number
20170099.0
Supplemental Number
16678.0
Report Type
Supplemental Final
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
2017-09-14 13:27:00
Location Street Address
30w020 Estes St.
Location City Name
Warrenville
Location County Name
Dupage
Location State Abbreviation
IL
Location Postal Code
60563
Location Latitude
Location Longitude
Nrc Rpt Datetime
2017-10-02 18:04:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Unintentional Release
2549.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0.0
Incident Identified Datetime
2017-09-14 14:02:00
On Site Datetime
2017-09-14 14:02:00
Federal
No
Location Type
Public Property
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
37.0
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
Main
Installation Year
1963.0
Pipe Diameter
12.0
Pipe Specification
Api 5l
Pipe Manufacturer
Unknown
Material Involved
Steel
Steel Seam Type
Other
Steel Seam Type Details
Unknown
Wt Steel
0.219
Release Type
Mechanical Puncture
Puncture Axial
1.0
Puncture Circum
1.0
Class Location Type
Class 3 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
17016.0
Est Cost Emergency
34032.0
Est Cost Other
0.0
Est Cost Unintentional Release
8413.0
Prpty
59461.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
0.0
Accident Psig
144.0
Normal Psig
150.0
Mop Psig
155.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Notification From Third Party That Caused The Incident
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
Yes
One Call System Ind
Yes
Notify Cga Dirt
No
Public Row Ind
Yes
Public Subtype
State Highway
Excavator Type
Contractor
Excavator Equipment
Backhoe/trackhoe
Work Performed
Grading
One Call Notified Ind
Yes
One Call Ticket Num
2152017
One Call Center Name
J.u.l.i.e. One Call Center Ticket In 9a. Starts With An X But Db Only Allows Numbers For Entry.
Locator Type
Contract Locator
Visible Marks
Yes
Root Cause Category
Excavation Issue
Root Cause Type
Excavator Failed To Maintain Clearance After Verifying Marks
Preparer Name
L****** Q******
Preparer Title
Director Compliance And Qa
Preparer Email
L******@s*********.com
Preparer Telephone
630-388-2316
Authorizer Name
L****** Q******
Authorizer Title
Director Compliance And Qa
Authorizer Telephone
630-388-2316
Authorizer Email
L******@s*********.com
Narrative
While grading parallel to a main, within the tolerance zone, a third party excavator struck a 1" gauge tee located on the side of a 12" steel main and caused a release of natural gas into the atmosphere.
Occurred At 2017-09-14 14:02:00
Year 2017
Report Received Date 2017-11-02 00:00:00
Iyear 2017.0
Report Number 20170099.0
Supplemental Number 16678.0
Report Type Supplemental Final
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 2017-09-14 13:27:00
Location Street Address 30w020 Estes St.
Location City Name Warrenville
Location County Name Dupage
Location State Abbreviation IL
Location Postal Code 60563
Location Latitude 41.817045 Google Maps OpenStreetMap
Location Longitude -88.205295 Google Maps OpenStreetMap
Nrc Rpt Datetime 2017-10-02 18:04:00
Nrc Rpt Num 1192128 NRC Report How to search
Commodity Released Type Natural Gas
Unintentional Release 2549.0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Ignite Ind No
Explode Ind No
Num Pub Evacuated 0.0
Incident Identified Datetime 2017-09-14 14:02:00
On Site Datetime 2017-09-14 14:02:00
Federal No
Location Type Public Property
Incident Area Type Underground
Incident Area Subtype Under Soil
Depth Of Cover 37.0
Crossing No
Pipe Facility Type Investor Owned
System Part Involved Main
Installation Year 1963.0
Pipe Diameter 12.0
Pipe Specification Api 5l
Pipe Manufacturer Unknown
Material Involved Steel
Steel Seam Type Other
Steel Seam Type Details Unknown
Wt Steel 0.219
Release Type Mechanical Puncture
Puncture Axial 1.0
Puncture Circum 1.0
Class Location Type Class 3 Location
Est Cost Oper Paid 0.0
Est Cost Prop Damage 17016.0
Est Cost Emergency 34032.0
Est Cost Other 0.0
Est Cost Unintentional Release 8413.0
Prpty 59461.0
Commercial Affected 0.0
Industrial Affected 0.0
Residences Affected 0.0
Accident Psig 144.0
Normal Psig 150.0
Mop Psig 155.0
Accident Pressure Pressure Did Not Exceed Maop
Scada In Place Ind No
Accident Identifier Notification From Third Party That Caused The Incident
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 Yes
One Call System Ind Yes
Notify Cga Dirt No
Public Row Ind Yes
Public Subtype State Highway
Excavator Type Contractor
Excavator Equipment Backhoe/trackhoe
Work Performed Grading
One Call Notified Ind Yes
One Call Ticket Num 2152017
One Call Center Name J.u.l.i.e. One Call Center Ticket In 9a. Starts With An X But Db Only Allows Numbers For Entry.
Locator Type Contract Locator
Visible Marks Yes
Root Cause Category Excavation Issue
Root Cause Type Excavator Failed To Maintain Clearance After Verifying Marks
Preparer Name L****** Q******
Preparer Title Director Compliance And Qa
Preparer Email L******@s*********.com
Preparer Telephone 630-388-2316
Authorizer Name L****** Q******
Authorizer Title Director Compliance And Qa
Authorizer Telephone 630-388-2316
Authorizer Email L******@s*********.com
Narrative While grading parallel to a main, within the tolerance zone, a third party excavator struck a 1" gauge tee located on the side of a 12" steel main and caused a release of natural gas into the atmosphere.

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