GD incident on 2013-02-05 — MA

Operator
Fitchburg Gas & Electric Light Co
Cause
Natural Force Damage
Commodity
Program
GD
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$6,500
Incident datetime
2013-02-05 17:30
Report number
Location
MA, WORCESTER
Narrative
Explosion occurred at 214 lunenburg st in fitchburg mass on february 5, 2013. Unitil first responders responded to the scene and began leak investigation and found a cracked 4" cast iron main that they repaired and the cause was determined to be from frost conditions down to the top of the main.
Detailed record list
Occurred At
2013-02-05 17:30:00
Year
2013
Report Received Date
2013-04-04 00:00:00
Iyear
2013.0
Report Number
20130037.0
Supplemental Number
15631.0
Report Type
Original
Operator Id
Name
Fitchburg Gas & Electric Light Co
Operator Street Address
357 Electric Ave
Operator City Name
Lunenburg
Operator State Abbreviation
MA
Operator Postal Code
01462
Local Datetime
2013-02-05 17:30:00
Location Street Address
214 Lunenburg St
Location City Name
Fitchburg
Location County Name
Worcester
Location State Abbreviation
MA
Location Postal Code
01420
Location Latitude
Location Longitude
Nrc Rpt Datetime
2013-02-05 20:30:00
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
Yes
Num Pub Evacuated
2.0
Incident Identified Datetime
2013-02-05 17:30:00
On Site Datetime
2013-02-05 17:35:00
Federal
No
Location Type
Private Property
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
28.0
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Pipe Diameter
4.0
Pipe Specification
Unknown
Pipe Manufacturer
Unknown
Material Involved
Cast/wrought Iron
Release Type
Leak
Leak Type
Crack
Class Location Type
Class 3 Location
Est Cost Oper Paid
600000.0
Est Cost Prop Damage
6500.0
Est Cost Emergency
10500.0
Est Cost Other
15000.0
Est Cost Other Details
Hotel Rooms For Residents That Had To Leave Their Homes
Est Cost Unintentional Release
0.0
Prpty
632000.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
1.0
Accident Psig
0.5
Normal Psig
0.5
Mop Psig
0.5
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place 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
This is a low pressure cast iron main that was not monitored or controlled by control room staff
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Natural Force Damage
Cause Details
Earth Movement, Not Due To Heavy Rains/floods
Natural Force Type
Earth Movement, Not Due To Heavy Rains/floods
Earth Subtype
Other
Nf Other Details
Frost Conditions To The Depth Of The Main
Nf Extreme Weather Ind
No
Preparer Name
D***** G*****
Preparer Title
Manager Gas Distribution
Preparer Email
G*****@u*****.com
Preparer Telephone
978-353-3245
Preparer Fax
978-353-3345
Authorizer Name
D***** G*****
Authorizer Title
Manager Gas Distribution
Authorizer Telephone
978-353-3245
Authorizer Email
G*****@u*****.com
Narrative
Explosion occurred at 214 lunenburg st in fitchburg mass on february 5, 2013. Unitil first responders responded to the scene and began leak investigation and found a cracked 4" cast iron main that they repaired and the cause was determined to be from frost conditions down to the top of the main.
Occurred At 2013-02-05 17:30:00
Year 2013
Report Received Date 2013-04-04 00:00:00
Iyear 2013.0
Report Number 20130037.0
Supplemental Number 15631.0
Report Type Original
Operator Id 5200 PHMSA Enforcement
Name Fitchburg Gas & Electric Light Co
Operator Street Address 357 Electric Ave
Operator City Name Lunenburg
Operator State Abbreviation MA
Operator Postal Code 01462
Local Datetime 2013-02-05 17:30:00
Location Street Address 214 Lunenburg St
Location City Name Fitchburg
Location County Name Worcester
Location State Abbreviation MA
Location Postal Code 01420
Location Latitude 42.584906 Google Maps OpenStreetMap
Location Longitude -71.7894 Google Maps OpenStreetMap
Nrc Rpt Datetime 2013-02-05 20:30:00
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Ignite Ind No
Explode Ind Yes
Num Pub Evacuated 2.0
Incident Identified Datetime 2013-02-05 17:30:00
On Site Datetime 2013-02-05 17:35:00
Federal No
Location Type Private Property
Incident Area Type Underground
Incident Area Subtype Under Soil
Depth Of Cover 28.0
Crossing No
Pipe Facility Type Privately Owned
System Part Involved Main
Pipe Diameter 4.0
Pipe Specification Unknown
Pipe Manufacturer Unknown
Material Involved Cast/wrought Iron
Release Type Leak
Leak Type Crack
Class Location Type Class 3 Location
Est Cost Oper Paid 600000.0
Est Cost Prop Damage 6500.0
Est Cost Emergency 10500.0
Est Cost Other 15000.0
Est Cost Other Details Hotel Rooms For Residents That Had To Leave Their Homes
Est Cost Unintentional Release 0.0
Prpty 632000.0
Commercial Affected 0.0
Industrial Affected 0.0
Residences Affected 1.0
Accident Psig 0.5
Normal Psig 0.5
Mop Psig 0.5
Accident Pressure Pressure Did Not Exceed Maop
Scada In Place 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 This is a low pressure cast iron main that was not monitored or controlled by control room staff
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Natural Force Damage
Cause Details Earth Movement, Not Due To Heavy Rains/floods
Natural Force Type Earth Movement, Not Due To Heavy Rains/floods
Earth Subtype Other
Nf Other Details Frost Conditions To The Depth Of The Main
Nf Extreme Weather Ind No
Preparer Name D***** G*****
Preparer Title Manager Gas Distribution
Preparer Email G*****@u*****.com
Preparer Telephone 978-353-3245
Preparer Fax 978-353-3345
Authorizer Name D***** G*****
Authorizer Title Manager Gas Distribution
Authorizer Telephone 978-353-3245
Authorizer Email G*****@u*****.com
Narrative Explosion occurred at 214 lunenburg st in fitchburg mass on february 5, 2013. Unitil first responders responded to the scene and began leak investigation and found a cracked 4" cast iron main that they repaired and the cause was determined to be from frost conditions down to the top of the main.

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