GD incident on 2015-12-09 — MA

Operator
Columbia Gas Of Massachusetts
Cause
Excavation Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$91,087
Incident datetime
2015-12-09 09:30
Report number
Location
MA, PLYMOUTH
Narrative
3rd party contractor working on a water main installation hit the gas line severing the 4 in line. 403 customers were impacted. A breakdown between commercial and residential was not obtained.
Detailed record list
Occurred At
2015-12-09 09:30:00
Year
2015
Report Received Date
2016-01-07 00:00:00
Iyear
2015.0
Report Number
20160001.0
Supplemental Number
34477.0
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
2015-12-09 09:30:00
Location Street Address
Intersection Rhode Island Rd And Haskel Circle
Location City Name
Lakeville
Location County Name
Plymouth
Location State Abbreviation
MA
Location Postal Code
02347
Location Latitude
Location Longitude
Nrc Rpt Datetime
2015-12-09 12:27:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Unintentional Release
1743.64
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
Yes
Explode Ind
No
Num Pub Evacuated
6.0
Incident Identified Datetime
2015-12-09 09:30:00
On Site Datetime
2015-12-09 00:00:00
Federal
No
Location Type
Public Property
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Depth Of Cover
48.0
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Installation Year
1990.0
Pipe Diameter
4.0
Pipe Specification
Astm D2513
Pipe Manufacturer
Driscopipe M8000
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Plastic Sdr
11
Material Pe Pipe Code
3408
Release Type
Mechanical Puncture
Puncture Axial
1.0
Puncture Circum
4.0
Class Location Type
Class 2 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
91087.0
Est Cost Emergency
0.0
Est Cost Other
0.0
Est Cost Other Details
Cost Associated With Emergency Response Is Rolled Into Damage And Repair Costs
Est Cost Unintentional Release
5493.0
Prpty
96580.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
403.0
Accident Psig
74.0
Normal Psig
74.0
Mop Psig
99.0
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
3rd party damage
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
Yes
One Call System Ind
Yes
Notify Cga Dirt
Yes
Public Row Ind
Yes
Public Subtype
County Road
Excavator Type
Contractor
Excavator Equipment
Backhoe/trackhoe
Work Performed
Water
One Call Notified Ind
Yes
One Call Ticket Num
20154901133
Locator Type
Utility Owner
Visible Marks
Yes
Service Interruption
Yes
Service Interruption Hours
13.0
Root Cause Category
Excavation Issue
Root Cause Type
Improper Backfilling Practices
Preparer Name
M***** B*********
Preparer Title
Manager Compliance Gas Operations
Preparer Email
M**********@e*********.com
Preparer Telephone
508.468.9956
Authorizer Name
M***** B*********
Authorizer Title
Manager Compliance Gas Operations
Authorizer Telephone
508.468.9956
Authorizer Email
M**********@e*********.com
Narrative
3rd party contractor working on a water main installation hit the gas line severing the 4 in line. 403 customers were impacted. A breakdown between commercial and residential was not obtained.
Occurred At 2015-12-09 09:30:00
Year 2015
Report Received Date 2016-01-07 00:00:00
Iyear 2015.0
Report Number 20160001.0
Supplemental Number 34477.0
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 2015-12-09 09:30:00
Location Street Address Intersection Rhode Island Rd And Haskel Circle
Location City Name Lakeville
Location County Name Plymouth
Location State Abbreviation MA
Location Postal Code 02347
Location Latitude 41.879769 Google Maps OpenStreetMap
Location Longitude -70.931013 Google Maps OpenStreetMap
Nrc Rpt Datetime 2015-12-09 12:27:00
Nrc Rpt Num 1135352 NRC Report How to search
Commodity Released Type Natural Gas
Unintentional Release 1743.64
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Ignite Ind Yes
Explode Ind No
Num Pub Evacuated 6.0
Incident Identified Datetime 2015-12-09 09:30:00
On Site Datetime 2015-12-09 00:00:00
Federal No
Location Type Public Property
Incident Area Type Underground
Incident Area Subtype Exposed Due To Excavation
Depth Of Cover 48.0
Crossing No
Pipe Facility Type Privately Owned
System Part Involved Main
Installation Year 1990.0
Pipe Diameter 4.0
Pipe Specification Astm D2513
Pipe Manufacturer Driscopipe M8000
Material Involved Plastic
Plastic Type Polyethylene (Pe)
Plastic Sdr 11
Material Pe Pipe Code 3408
Release Type Mechanical Puncture
Puncture Axial 1.0
Puncture Circum 4.0
Class Location Type Class 2 Location
Est Cost Oper Paid 0.0
Est Cost Prop Damage 91087.0
Est Cost Emergency 0.0
Est Cost Other 0.0
Est Cost Other Details Cost Associated With Emergency Response Is Rolled Into Damage And Repair Costs
Est Cost Unintentional Release 5493.0
Prpty 96580.0
Commercial Affected 0.0
Industrial Affected 0.0
Residences Affected 403.0
Accident Psig 74.0
Normal Psig 74.0
Mop Psig 99.0
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 3rd party damage
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 Yes
One Call System Ind Yes
Notify Cga Dirt Yes
Public Row Ind Yes
Public Subtype County Road
Excavator Type Contractor
Excavator Equipment Backhoe/trackhoe
Work Performed Water
One Call Notified Ind Yes
One Call Ticket Num 20154901133
Locator Type Utility Owner
Visible Marks Yes
Service Interruption Yes
Service Interruption Hours 13.0
Root Cause Category Excavation Issue
Root Cause Type Improper Backfilling Practices
Preparer Name M***** B*********
Preparer Title Manager Compliance Gas Operations
Preparer Email M**********@e*********.com
Preparer Telephone 508.468.9956
Authorizer Name M***** B*********
Authorizer Title Manager Compliance Gas Operations
Authorizer Telephone 508.468.9956
Authorizer Email M**********@e*********.com
Narrative 3rd party contractor working on a water main installation hit the gas line severing the 4 in line. 403 customers were impacted. A breakdown between commercial and residential was not obtained.

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