GD incident on 2012-11-23 — MA

Operator
Columbia Gas Of Massachusetts
Cause
Incorrect Operation
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 17 injuries
Property damage (nominal)
$100,000
Incident datetime
2012-11-23 17:30
Report number
Location
MA, HAMPDEN
Narrative
Operator employee responded to odor call in basement of 453 worthington st. After obtaining zero levels inside of building, employee began investigation outside. Using probe bar employee struck and punctured service line causing gas to enter building. Released gas ultimately ignited, causing explosion.
Detailed record list
Occurred At
2012-11-23 17:30:00
Year
2012
Report Received Date
2012-12-02 00:00:00
Iyear
2012.0
Report Number
20120098.0
Supplemental Number
34473.0
Report Type
Supplemental Final
Operator Id
Name
Columbia Gas Of Massachusetts
Operator Street Address
4 Technology Drive
Operator City Name
Westborough
Operator State Abbreviation
MA
Operator Postal Code
01581
Local Datetime
2012-11-23 17:25:00
Location Street Address
453 Worthington Street
Location City Name
Springfield
Location County Name
Hampden
Location State Abbreviation
MA
Location Postal Code
01105
Location Latitude
Location Longitude
Nrc Rpt Datetime
2012-11-23 18:23:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Unintentional Release
26.0
Fatality Ind
No
Fatal
0
Injury Ind
Yes
Num Emp Injuries
2
Num Contr Injuries
0
Num Er Injuries
12
Num Worker Injuries
1
Num Gp Injuries
2
Injure
17
Ignite Ind
Yes
Explode Ind
Yes
Num Pub Evacuated
20.0
Incident Identified Datetime
2012-11-23 17:30:00
On Site Datetime
2012-11-23 17:30:00
Federal
No
Location Type
Private Property
Incident Area Type
Transition Area
Incident Area Subtype
Wall Sleeve
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Service
Installation Year
1993.0
Pipe Diameter
1.25
Pipe Specification
Astm 02513
Pipe Manufacturer
Phillips Or Plexco
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Wt Plastic
0.121
Material Pe Pipe Code
3408
Release Type
Mechanical Puncture
Puncture Axial
0.5
Puncture Circum
0.5
Class Location Type
Class 2 Location
Est Cost Oper Paid
1000000.0
Est Cost Prop Damage
100000.0
Est Cost Emergency
10000.0
Est Cost Other
200000.0
Est Cost Other Details
Residual Structure Glass Damage
Est Cost Unintentional Release
300.0
Prpty
1310300.0
Commercial Affected
1.0
Industrial Affected
0.0
Residences Affected
0.0
Accident Psig
57.0
Normal Psig
57.0
Mop Psig
60.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
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
Incident was human error and isolated to damage on service
Employee Drug Test Ind
Yes
Num Employees Tested
6
Num Employees Failed
0
Contractor Drug Test Ind
No
Cause
Incorrect Operation
Cause Details
Damage By Operator Or Operator's Contractor Not Related To Excavation And Not Due To Motorized Vehicle/equipment Damage
Operation Type
Damage By Operator Or Operator's Contractor Not Related To Excavation And Not Due To Motorized Vehicle/equipment Damage
Related Inadequate Proc Ind
Yes
Category Type
Non-Routine Operating Conditions (Abnormal Operations Or Emergencies)
Operator Qualification Ind
Yes
Qualified Individuals
Yes, They Were Qualified For The Task(S)
Preparer Name
M***** B*********
Preparer Title
Manager Compliance Gas Operations
Preparer Email
M**********@e*********.com
Preparer Fax
508.468.9956
Authorizer Name
M***** B*********
Authorizer Title
Manager Compliance Gas Operations
Authorizer Telephone
508.468.9956
Authorizer Email
M**********@e*********.com
Narrative
Operator employee responded to odor call in basement of 453 worthington st. After obtaining zero levels inside of building, employee began investigation outside. Using probe bar employee struck and punctured service line causing gas to enter building. Released gas ultimately ignited, causing explosion.
Occurred At 2012-11-23 17:30:00
Year 2012
Report Received Date 2012-12-02 00:00:00
Iyear 2012.0
Report Number 20120098.0
Supplemental Number 34473.0
Report Type Supplemental Final
Operator Id 1209 PHMSA Enforcement
Name Columbia Gas Of Massachusetts
Operator Street Address 4 Technology Drive
Operator City Name Westborough
Operator State Abbreviation MA
Operator Postal Code 01581
Local Datetime 2012-11-23 17:25:00
Location Street Address 453 Worthington Street
Location City Name Springfield
Location County Name Hampden
Location State Abbreviation MA
Location Postal Code 01105
Location Latitude 42.10668 Google Maps OpenStreetMap
Location Longitude -72.589386 Google Maps OpenStreetMap
Nrc Rpt Datetime 2012-11-23 18:23:00
Nrc Rpt Num 1031399 NRC Report How to search
Commodity Released Type Natural Gas
Unintentional Release 26.0
Fatality Ind No
Fatal 0
Injury Ind Yes
Num Emp Injuries 2
Num Contr Injuries 0
Num Er Injuries 12
Num Worker Injuries 1
Num Gp Injuries 2
Injure 17
Ignite Ind Yes
Explode Ind Yes
Num Pub Evacuated 20.0
Incident Identified Datetime 2012-11-23 17:30:00
On Site Datetime 2012-11-23 17:30:00
Federal No
Location Type Private Property
Incident Area Type Transition Area
Incident Area Subtype Wall Sleeve
Crossing No
Pipe Facility Type Privately Owned
System Part Involved Service
Installation Year 1993.0
Pipe Diameter 1.25
Pipe Specification Astm 02513
Pipe Manufacturer Phillips Or Plexco
Material Involved Plastic
Plastic Type Polyethylene (Pe)
Wt Plastic 0.121
Material Pe Pipe Code 3408
Release Type Mechanical Puncture
Puncture Axial 0.5
Puncture Circum 0.5
Class Location Type Class 2 Location
Est Cost Oper Paid 1000000.0
Est Cost Prop Damage 100000.0
Est Cost Emergency 10000.0
Est Cost Other 200000.0
Est Cost Other Details Residual Structure Glass Damage
Est Cost Unintentional Release 300.0
Prpty 1310300.0
Commercial Affected 1.0
Industrial Affected 0.0
Residences Affected 0.0
Accident Psig 57.0
Normal Psig 57.0
Mop Psig 60.0
Accident Pressure Pressure Did Not Exceed Maop
Scada In Place Ind No
Accident Identifier Local Operating Personnel, Including Contractors
Operator Type Operator Employee
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 Incident was human error and isolated to damage on service
Employee Drug Test Ind Yes
Num Employees Tested 6
Num Employees Failed 0
Contractor Drug Test Ind No
Cause Incorrect Operation
Cause Details Damage By Operator Or Operator's Contractor Not Related To Excavation And Not Due To Motorized Vehicle/equipment Damage
Operation Type Damage By Operator Or Operator's Contractor Not Related To Excavation And Not Due To Motorized Vehicle/equipment Damage
Related Inadequate Proc Ind Yes
Category Type Non-Routine Operating Conditions (Abnormal Operations Or Emergencies)
Operator Qualification Ind Yes
Qualified Individuals Yes, They Were Qualified For The Task(S)
Preparer Name M***** B*********
Preparer Title Manager Compliance Gas Operations
Preparer Email M**********@e*********.com
Preparer Fax 508.468.9956
Authorizer Name M***** B*********
Authorizer Title Manager Compliance Gas Operations
Authorizer Telephone 508.468.9956
Authorizer Email M**********@e*********.com
Narrative Operator employee responded to odor call in basement of 453 worthington st. After obtaining zero levels inside of building, employee began investigation outside. Using probe bar employee struck and punctured service line causing gas to enter building. Released gas ultimately ignited, causing explosion.

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