GD incident on 2023-11-09 — IL

Operator
Northern Illinois Gas Co
Cause
Other Outside Force Damage
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$20,000
Incident datetime
2023-11-09 00:00 UTC
Report number
Location
IL, MCHENRY
Narrative
The city of woodstock hired a sewer contractor to perform sewer cleanout work. At approximately 12:35pm cst, a representative from the city of woodstock called a company supervisor directly and informed him the main was hit in the sewer by their contractor. At approximately 12:50 pm cst, company customer service representative receives phone call from the sewer contractor reporting the damage. Initial investigations indicate that while performing contracted duties, the contractor damaged a natural gas main at the intersection of tryon st. And lincoln ave. While company crews were in the process of shutting off the flow of gas, an explosion occurred at 321 lincoln ave. It is believed that the gas from the damaged main traveled through the sewer and into the premise, causing a subsequent house explosion. No one was inside the premise at the time of the explosion. There were no fatalities and the only reported injuries were to two firefighters that were taken to the hospital for observation and were released. Gas main was previously installed through the sanitary sewer by a second party contractor in 2018. Note: in part f, the individual that failed drug screen was a management employee and was not part of the crews performing emergency response and repair activities.
Detailed record list
Report Received Date
2023-11-09 00:00:00
Iyear
2023.0
Report Number
20230065.0
Supplemental Number
39249.0
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
60507.0
Time Zone
Central
Daylight Savings Ind
Yes
Location Street Address
321 Lincoln Ave.
Location City Name
Woodstock
Location County Name
Mchenry
Location State Abbreviation
IL
Location Postal Code
60098.0
Location Latitude
Location Longitude
Flow Cont Squeeze Off Ind
Yes
Nrc Rpt Num
Additional Nrc Report Numbers
1381456.0
Commodity Released Type
Natural Gas
Unintentional Release
238.0
Intentional Release
0.152
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
Yes
How Extinguished
Local/state/federal Emergency Responder
Gas Consumed By Fire In Mcf
1
Explode Ind
Yes
Num Pub Evacuated
52.0
Communication State Fed Ind
Yes
Party Initiated Communication
Local/state/federal Emergency Responder
Federal
No
Location Type
Private Property
Incident Area Type
Aboveground
Incident Area Subtype
Inside A Building
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
Main
Installation Year
2018.0
Manufactured Year
2018.0
Pipe Diameter
2.0
Pipe Specification
Astm D2513
Pipe Manufacturer
Dura-Line Polypipe
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Plastic Sdr
11
Material Pe Pipe Code
2708
Release Type
Mechanical Puncture
Puncture Axial
1.5
Puncture Circum
7.0
Class Location Type
Class 3 Location
Est Cost Oper Paid
1700000.0
Est Cost Prop Damage
20000.0
Est Cost Emergency
5000.0
Est Cost Other
0.0
Gas Cost In Mcf
4.36
Est Cost Unintentional Release
1038.0
Est Cost Intentional Release
1.0
Prpty
1726039.0
Commercial Affected
8.0
Industrial Affected
0.0
Residences Affected
44.0
Num Persons Hosp Not Ovnght
2.0
Num Injured Treated By Emt
0.0
Num Resident Building Affctd
44.0
Num Business Building Affctd
8.0
Accident Psig
22.2
Normal Psig
23.0
Mop Psig
25.0
Mop Cfr Section
192.619(A)(2)
Maop Established Date
2018-10-09 00:00:00
Accident Pressure
Pressure Did Not Exceed Maop
Gas Odorized System Type
Combination Of Odorization Types
Gas Odorized Level
12.5
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
Yes
Num Employees Tested
11
Num Employees Failed
1
Contractor Drug Test Ind
No
Cause
Other Outside Force Damage
Cause Details
Other Outside Force Damage
Outside Force Type
Other Outside Force Damage
Osf Other Details
Sewer Lateral Cleaning
Io Follow Procedure Ind
Yes
Preparer Name
L****** Q******
Preparer Title
Dir Compliance And Pipeline Risk Management
Preparer Email
L******@s*********.com
Local Contact Name
L****** Q******
Local Contact Email
Dir Compliance And Pipeline Risk Management
Authorizer Name
L****** Q******
Authorizer Title
Dir Compliance And Pipeline Risk Management
Authorizer Telephone
6305142036
Authorizer Email
L******@s*********.com
Narrative
The city of woodstock hired a sewer contractor to perform sewer cleanout work. At approximately 12:35pm cst, a representative from the city of woodstock called a company supervisor directly and informed him the main was hit in the sewer by their contractor. At approximately 12:50 pm cst, company customer service representative receives phone call from the sewer contractor reporting the damage. Initial investigations indicate that while performing contracted duties, the contractor damaged a natural gas main at the intersection of tryon st. And lincoln ave. While company crews were in the process of shutting off the flow of gas, an explosion occurred at 321 lincoln ave. It is believed that the gas from the damaged main traveled through the sewer and into the premise, causing a subsequent house explosion. No one was inside the premise at the time of the explosion. There were no fatalities and the only reported injuries were to two firefighters that were taken to the hospital for observation and were released. Gas main was previously installed through the sanitary sewer by a second party contractor in 2018. Note: in part f, the individual that failed drug screen was a management employee and was not part of the crews performing emergency response and repair activities.
Report Received Date 2023-11-09 00:00:00
Iyear 2023.0
Report Number 20230065.0
Supplemental Number 39249.0
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 60507.0
Time Zone Central
Daylight Savings Ind Yes
Location Street Address 321 Lincoln Ave.
Location City Name Woodstock
Location County Name Mchenry
Location State Abbreviation IL
Location Postal Code 60098.0
Location Latitude 42.316678 Google Maps OpenStreetMap
Location Longitude -88.45074 Google Maps OpenStreetMap
Flow Cont Squeeze Off Ind Yes
Nrc Rpt Num 1381297.0 NRC Report How to search
Additional Nrc Report Numbers 1381456.0
Commodity Released Type Natural Gas
Unintentional Release 238.0
Intentional Release 0.152
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Ignite Ind Yes
How Extinguished Local/state/federal Emergency Responder
Gas Consumed By Fire In Mcf 1
Explode Ind Yes
Num Pub Evacuated 52.0
Communication State Fed Ind Yes
Party Initiated Communication Local/state/federal Emergency Responder
Federal No
Location Type Private Property
Incident Area Type Aboveground
Incident Area Subtype Inside A Building
Crossing No
Pipe Facility Type Investor Owned
System Part Involved Main
Installation Year 2018.0
Manufactured Year 2018.0
Pipe Diameter 2.0
Pipe Specification Astm D2513
Pipe Manufacturer Dura-Line Polypipe
Material Involved Plastic
Plastic Type Polyethylene (Pe)
Plastic Sdr 11
Material Pe Pipe Code 2708
Release Type Mechanical Puncture
Puncture Axial 1.5
Puncture Circum 7.0
Class Location Type Class 3 Location
Est Cost Oper Paid 1700000.0
Est Cost Prop Damage 20000.0
Est Cost Emergency 5000.0
Est Cost Other 0.0
Gas Cost In Mcf 4.36
Est Cost Unintentional Release 1038.0
Est Cost Intentional Release 1.0
Prpty 1726039.0
Commercial Affected 8.0
Industrial Affected 0.0
Residences Affected 44.0
Num Persons Hosp Not Ovnght 2.0
Num Injured Treated By Emt 0.0
Num Resident Building Affctd 44.0
Num Business Building Affctd 8.0
Accident Psig 22.2
Normal Psig 23.0
Mop Psig 25.0
Mop Cfr Section 192.619(A)(2) View CFR 49 §192
Maop Established Date 2018-10-09 00:00:00
Accident Pressure Pressure Did Not Exceed Maop
Gas Odorized System Type Combination Of Odorization Types
Gas Odorized Level 12.5
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 Yes
Num Employees Tested 11
Num Employees Failed 1
Contractor Drug Test Ind No
Cause Other Outside Force Damage
Cause Details Other Outside Force Damage
Outside Force Type Other Outside Force Damage
Osf Other Details Sewer Lateral Cleaning
Io Follow Procedure Ind Yes
Preparer Name L****** Q******
Preparer Title Dir Compliance And Pipeline Risk Management
Preparer Email L******@s*********.com
Local Contact Name L****** Q******
Local Contact Email Dir Compliance And Pipeline Risk Management
Authorizer Name L****** Q******
Authorizer Title Dir Compliance And Pipeline Risk Management
Authorizer Telephone 6305142036
Authorizer Email L******@s*********.com
Narrative The city of woodstock hired a sewer contractor to perform sewer cleanout work. At approximately 12:35pm cst, a representative from the city of woodstock called a company supervisor directly and informed him the main was hit in the sewer by their contractor. At approximately 12:50 pm cst, company customer service representative receives phone call from the sewer contractor reporting the damage. Initial investigations indicate that while performing contracted duties, the contractor damaged a natural gas main at the intersection of tryon st. And lincoln ave. While company crews were in the process of shutting off the flow of gas, an explosion occurred at 321 lincoln ave. It is believed that the gas from the damaged main traveled through the sewer and into the premise, causing a subsequent house explosion. No one was inside the premise at the time of the explosion. There were no fatalities and the only reported injuries were to two firefighters that were taken to the hospital for observation and were released. Gas main was previously installed through the sanitary sewer by a second party contractor in 2018. Note: in part f, the individual that failed drug screen was a management employee and was not part of the crews performing emergency response and repair activities.

All rights reserved. Copyright © by ClearPHMSA