GD incident on 2010-02-16 — IN

Operator
Northern Indiana Public Service Co
Cause
Excavation Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$5,000
Incident datetime
2010-02-16 10:38
Report number
Location
IN, ST. JOSEPH
Narrative
Contractor boring electric line parallel to 3" distribution line at 45 psi. Hit line, while taking precautions to shut down system, gas migrated to nearby house and exploded. There was a request by PHMSA through the indiana public service commission to provide addtional information, and/or update some data fields. All were completed as requested except part g requesting to complete the section for previous damage due to excavation. There was no previous damage due to excavation related to this incident. The information for the items requested is: 1. Date of most recent leak survey conducted - answer is 3-11-2010. 2. Has one or more pressure test been completed since original construction at the point of incident - answer is none. With all of the requested information updated this incident will be closed.
Detailed record list
Occurred At
2010-02-16 10:38:00
Year
2010
Report Received Date
2010-03-12 00:00:00
Iyear
2010.0
Report Number
20100002.0
Supplemental Number
15553.0
Report Type
Supplemental Final
Operator Id
Name
Northern Indiana Public Service Co
Operator Street Address
801 E 86th Avenue
Operator City Name
Merrillville
Operator State Abbreviation
IN
Operator Postal Code
46410
Local Datetime
2010-02-16 10:38:00
Location Street Address
3835 Sandpiper Cove Run
Location City Name
South Bend
Location County Name
St. Joseph
Location State Abbreviation
IN
Location Postal Code
46628
Location Latitude
Location Longitude
Nrc Rpt Datetime
2010-02-16 13:45:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Unintentional Release
310.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
Yes
Explode Ind
Yes
Num Pub Evacuated
20.0
Incident Identified Datetime
2010-02-16 10:38:00
On Site Datetime
2010-02-16 11:18:00
Federal
No
Location Type
Private Property
Incident Area Type
Underground
Incident Area Subtype
Other
Incident Area Details
Under Soil Migrated To House
Depth Of Cover
48.0
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Installation Year
1990.0
Pipe Diameter
3.0
Pipe Specification
Astm D2513
Pipe Manufacturer
Plexco
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Plastic Sdr
11.5
Material Pe Pipe Code
2406
Release Type
Mechanical Puncture
Puncture Axial
3.0
Puncture Circum
1.0
Class Location Type
Class 3 Location
Est Cost Oper Paid
40000.0
Est Cost Prop Damage
5000.0
Est Cost Emergency
10000.0
Est Cost Other
0.0
Est Cost Unintentional Release
2500.0
Prpty
57500.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
64.0
Accident Psig
45.0
Normal Psig
45.0
Mop Psig
60.0
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
No
Notify Cga Dirt
Yes
Public Row Ind
Yes
Public Subtype
City Street
Excavator Type
Contractor
Excavator Equipment
Boring
Work Performed
Electric
One Call Notified Ind
No
Locator Type
Contract Locator
Visible Marks
Yes
Service Interruption
Yes
Service Interruption Hours
13.0
Root Cause Category
Excavation Issue
Root Cause Type
Excavator Failed To Maintain Clearance After Verifying Marks
Preparer Name
J*** C*****
Preparer Title
Manager System Integrity And Design
Preparer Email
J*******@n*******.com
Preparer Telephone
219-962-0425
Preparer Fax
219-962-0404
Authorizer Name
J*** C*****
Authorizer Title
Manager System Integrity And Design
Authorizer Telephone
219-962-0425
Authorizer Email
J*******@n*******.com
Narrative
Contractor boring electric line parallel to 3" distribution line at 45 psi. Hit line, while taking precautions to shut down system, gas migrated to nearby house and exploded. There was a request by PHMSA through the indiana public service commission to provide addtional information, and/or update some data fields. All were completed as requested except part g requesting to complete the section for previous damage due to excavation. There was no previous damage due to excavation related to this incident. The information for the items requested is: 1. Date of most recent leak survey conducted - answer is 3-11-2010. 2. Has one or more pressure test been completed since original construction at the point of incident - answer is none. With all of the requested information updated this incident will be closed.
Occurred At 2010-02-16 10:38:00
Year 2010
Report Received Date 2010-03-12 00:00:00
Iyear 2010.0
Report Number 20100002.0
Supplemental Number 15553.0
Report Type Supplemental Final
Operator Id 13730 PHMSA Enforcement
Name Northern Indiana Public Service Co
Operator Street Address 801 E 86th Avenue
Operator City Name Merrillville
Operator State Abbreviation IN
Operator Postal Code 46410
Local Datetime 2010-02-16 10:38:00
Location Street Address 3835 Sandpiper Cove Run
Location City Name South Bend
Location County Name St. Joseph
Location State Abbreviation IN
Location Postal Code 46628
Location Latitude 41.72931 Google Maps OpenStreetMap
Location Longitude -86.27531 Google Maps OpenStreetMap
Nrc Rpt Datetime 2010-02-16 13:45:00
Nrc Rpt Num 931402 NRC Report How to search
Commodity Released Type Natural Gas
Unintentional Release 310.0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Ignite Ind Yes
Explode Ind Yes
Num Pub Evacuated 20.0
Incident Identified Datetime 2010-02-16 10:38:00
On Site Datetime 2010-02-16 11:18:00
Federal No
Location Type Private Property
Incident Area Type Underground
Incident Area Subtype Other
Incident Area Details Under Soil Migrated To House
Depth Of Cover 48.0
Crossing No
Pipe Facility Type Privately Owned
System Part Involved Main
Installation Year 1990.0
Pipe Diameter 3.0
Pipe Specification Astm D2513
Pipe Manufacturer Plexco
Material Involved Plastic
Plastic Type Polyethylene (Pe)
Plastic Sdr 11.5
Material Pe Pipe Code 2406
Release Type Mechanical Puncture
Puncture Axial 3.0
Puncture Circum 1.0
Class Location Type Class 3 Location
Est Cost Oper Paid 40000.0
Est Cost Prop Damage 5000.0
Est Cost Emergency 10000.0
Est Cost Other 0.0
Est Cost Unintentional Release 2500.0
Prpty 57500.0
Commercial Affected 0.0
Industrial Affected 0.0
Residences Affected 64.0
Accident Psig 45.0
Normal Psig 45.0
Mop Psig 60.0
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 No
Notify Cga Dirt Yes
Public Row Ind Yes
Public Subtype City Street
Excavator Type Contractor
Excavator Equipment Boring
Work Performed Electric
One Call Notified Ind No
Locator Type Contract Locator
Visible Marks Yes
Service Interruption Yes
Service Interruption Hours 13.0
Root Cause Category Excavation Issue
Root Cause Type Excavator Failed To Maintain Clearance After Verifying Marks
Preparer Name J*** C*****
Preparer Title Manager System Integrity And Design
Preparer Email J*******@n*******.com
Preparer Telephone 219-962-0425
Preparer Fax 219-962-0404
Authorizer Name J*** C*****
Authorizer Title Manager System Integrity And Design
Authorizer Telephone 219-962-0425
Authorizer Email J*******@n*******.com
Narrative Contractor boring electric line parallel to 3" distribution line at 45 psi. Hit line, while taking precautions to shut down system, gas migrated to nearby house and exploded. There was a request by PHMSA through the indiana public service commission to provide addtional information, and/or update some data fields. All were completed as requested except part g requesting to complete the section for previous damage due to excavation. There was no previous damage due to excavation related to this incident. The information for the items requested is: 1. Date of most recent leak survey conducted - answer is 3-11-2010. 2. Has one or more pressure test been completed since original construction at the point of incident - answer is none. With all of the requested information updated this incident will be closed.

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