GD incident on 2012-10-03 — MA

Operator
Boston Gas Co
Cause
Other Outside Force Damage
Commodity
Natural Gas
Program
GD
Damage and Injuries
1 fatality 0 injuries
Property damage (nominal)
$0
Incident datetime
2012-10-03 10:45
Report number
Location
MA, MIDDLESEX
Narrative
The homeowner tampered with company piping by removing 3/4" steel end cap with a 3/4" steel nipple on the tee was removed which caused the gas leak in the basement and resulted in a flash fire. The most likely source of ignition was the water heater. The homeowner died in the incident
Detailed record list
Occurred At
2012-10-03 10:45:00
Year
2012
Report Received Date
2012-11-02 00:00:00
Iyear
2012.0
Report Number
20120088.0
Supplemental Number
15539.0
Report Type
Original Final
Operator Id
Name
Boston Gas Co
Operator Street Address
170 Data Drive
Operator City Name
Waltham
Operator State Abbreviation
MA
Operator Postal Code
02451
Local Datetime
2012-10-03 10:45:00
Location Street Address
27 Lake Warren Drive
Location City Name
Littleton
Location County Name
Middlesex
Location State Abbreviation
MA
Location Postal Code
01460-1506
Location Latitude
Location Longitude
Nrc Rpt Datetime
2012-10-03 15:20:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Unintentional Release
37.0
Fatality Ind
Yes
Num Emp Fatalities
0
Num Contr Fatalities
0
Num Er Fatalities
0
Num Worker Fatalities
0
Num Gp Fatalities
1
Fatal
1
Injury Ind
No
Injure
0
Ignite Ind
Yes
Explode Ind
No
Num Pub Evacuated
7.0
Incident Identified Datetime
2012-10-03 10:45:00
On Site Datetime
2012-10-03 11:03:00
Federal
No
Location Type
Private Property
Incident Area Type
Underground
Incident Area Subtype
Under A Building
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Other
System Part Details
Fittings
Installation Year
2009.0
Material Involved
Steel
Steel Seam Type
Other
Steel Seam Type Details
Unknown
Release Type
Other
Release Type Details
Customer Tampered With Company Piping, The 3/4" Steel End Cap With A 3/4" Steel Nipple.
Class Location Type
Class 4 Location
Est Cost Oper Paid
100000.0
Est Cost Prop Damage
0.0
Est Cost Emergency
6317.0
Est Cost Other
0.0
Est Cost Unintentional Release
119.0
Prpty
106436.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
1.0
Accident Psig
54.0
Normal Psig
54.0
Mop Psig
60.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
No
Scada Conf Ind
No
Accident Identifier
Notification From Emergency Responder
Investigation Status
No, the operator did not find that an investigation of the controller(s) actions or control room issues was necessary due to: (provide an explanation for why the operator did not investigate)
Investigation Status Details
The incident was the result of the customer tampering with company owned piping.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Other Outside Force Damage
Cause Details
Intentional Damage
Outside Force Type
Intentional Damage
Intentional Subtype
Other
Intentional Details
The Homeowner Tampered With Company Piping By Removing 3/4" Steel End Cap With A 3/4" Steel Nipple On The Tee Was Removed Which Caused The Gas Leak In The Basement And Resulted In A Flash Fire. The Most Likely Source Of Ignition Was The Water Heater. The Homeowner Died In The Incident
Preparer Name
K******* M*******
Preparer Title
Manager Ne Dispatch And Scheduling
Preparer Email
K****************@n***********.com
Preparer Telephone
508-421-7450
Preparer Fax
508-421-7586
Authorizer Name
G*** B******
Authorizer Title
Director Dispatch And Scheduling
Authorizer Telephone
617-839-7208
Authorizer Email
G***********@n***********.com
Narrative
The homeowner tampered with company piping by removing 3/4" steel end cap with a 3/4" steel nipple on the tee was removed which caused the gas leak in the basement and resulted in a flash fire. The most likely source of ignition was the water heater. The homeowner died in the incident
Occurred At 2012-10-03 10:45:00
Year 2012
Report Received Date 2012-11-02 00:00:00
Iyear 2012.0
Report Number 20120088.0
Supplemental Number 15539.0
Report Type Original Final
Operator Id 1640 PHMSA Enforcement
Name Boston Gas Co
Operator Street Address 170 Data Drive
Operator City Name Waltham
Operator State Abbreviation MA
Operator Postal Code 02451
Local Datetime 2012-10-03 10:45:00
Location Street Address 27 Lake Warren Drive
Location City Name Littleton
Location County Name Middlesex
Location State Abbreviation MA
Location Postal Code 01460-1506
Location Latitude 42.533976 Google Maps OpenStreetMap
Location Longitude -71.501589 Google Maps OpenStreetMap
Nrc Rpt Datetime 2012-10-03 15:20:00
Nrc Rpt Num 1026348 NRC Report How to search
Commodity Released Type Natural Gas
Unintentional Release 37.0
Fatality Ind Yes
Num Emp Fatalities 0
Num Contr Fatalities 0
Num Er Fatalities 0
Num Worker Fatalities 0
Num Gp Fatalities 1
Fatal 1
Injury Ind No
Injure 0
Ignite Ind Yes
Explode Ind No
Num Pub Evacuated 7.0
Incident Identified Datetime 2012-10-03 10:45:00
On Site Datetime 2012-10-03 11:03:00
Federal No
Location Type Private Property
Incident Area Type Underground
Incident Area Subtype Under A Building
Crossing No
Pipe Facility Type Privately Owned
System Part Involved Other
System Part Details Fittings
Installation Year 2009.0
Material Involved Steel
Steel Seam Type Other
Steel Seam Type Details Unknown
Release Type Other
Release Type Details Customer Tampered With Company Piping, The 3/4" Steel End Cap With A 3/4" Steel Nipple.
Class Location Type Class 4 Location
Est Cost Oper Paid 100000.0
Est Cost Prop Damage 0.0
Est Cost Emergency 6317.0
Est Cost Other 0.0
Est Cost Unintentional Release 119.0
Prpty 106436.0
Commercial Affected 0.0
Industrial Affected 0.0
Residences Affected 1.0
Accident Psig 54.0
Normal Psig 54.0
Mop Psig 60.0
Accident Pressure Pressure Did Not Exceed Maop
Scada In Place Ind Yes
Scada Operating Ind Yes
Scada Functional Ind Yes
Scada Detection Ind No
Scada Conf Ind No
Accident Identifier Notification From Emergency Responder
Investigation Status No, the operator did not find that an investigation of the controller(s) actions or control room issues was necessary due to: (provide an explanation for why the operator did not investigate)
Investigation Status Details The incident was the result of the customer tampering with company owned piping.
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Other Outside Force Damage
Cause Details Intentional Damage
Outside Force Type Intentional Damage
Intentional Subtype Other
Intentional Details The Homeowner Tampered With Company Piping By Removing 3/4" Steel End Cap With A 3/4" Steel Nipple On The Tee Was Removed Which Caused The Gas Leak In The Basement And Resulted In A Flash Fire. The Most Likely Source Of Ignition Was The Water Heater. The Homeowner Died In The Incident
Preparer Name K******* M*******
Preparer Title Manager Ne Dispatch And Scheduling
Preparer Email K****************@n***********.com
Preparer Telephone 508-421-7450
Preparer Fax 508-421-7586
Authorizer Name G*** B******
Authorizer Title Director Dispatch And Scheduling
Authorizer Telephone 617-839-7208
Authorizer Email G***********@n***********.com
Narrative The homeowner tampered with company piping by removing 3/4" steel end cap with a 3/4" steel nipple on the tee was removed which caused the gas leak in the basement and resulted in a flash fire. The most likely source of ignition was the water heater. The homeowner died in the incident

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