GD incident on 2019-09-27 — MA

Operator
Columbia Gas Of Massachusetts
Cause
Other Outside Force Damage
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$1,764,026
Incident datetime
2019-09-27 03:08
Report number
Location
MA, ESSEX
Narrative
In the early morning of friday, september 27, 2019, while conducting a check of water valves, contractors working for the city of lawrence inadvertently closed a legacy gas valve that was connected to an abandoned gas main. The abandoned gas main had within it an inserted, active gas main. The turning of the legacy valve sheared the active inserted main. At 03:08 am, columbia gas received a gas odor call and dispatched a tech to investigate. Emergency response procedures were implemented. Update: part a: 16. Customer impact number updated to include customer meters that were turned off in the area but not on the impacted main. General public evacuated is not available as evacuated by fire and police emergency responders. Part d: 2b. Additional dollars added 3. Customer impact number updated to include customer meters that were turned off in the area but not on the impacted main.
Detailed record list
Occurred At
2019-09-27 03:08:00
Year
2019
Report Received Date
2019-10-25 00:00:00
Iyear
2019.0
Report Number
20190121.0
Supplemental Number
33472.0
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
2019-09-27 03:08:00
Location Street Address
S********@ **********
Location City Name
Lawrence
Location County Name
Essex
Location State Abbreviation
MA
Location Postal Code
01843
Location Latitude
Location Longitude
Nrc Rpt Datetime
2019-09-27 06:00:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Unintentional Release
390.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
97.0
Incident Identified Datetime
2019-09-27 03:08:00
On Site Datetime
2019-09-27 03:29:00
Federal
No
Location Type
Public Property
Incident Area Type
Underground
Incident Area Subtype
Under Pavement
Depth Of Cover
48.0
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Installation Year
2018.0
Pipe Diameter
2.0
Pipe Specification
Astm D2513
Pipe Manufacturer
Performace Pipe
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Plastic Sdr
11
Material Pe Pipe Code
4710
Release Type
Leak
Leak Type
Other
Leak Type Other
Valve Closed On Inserted Main
Class Location Type
Class 3 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
1764026.0
Est Cost Emergency
81000.0
Est Cost Other
796491.0
Est Cost Other Details
Claims Paid. Claims Center Onsite. Police, Food
Est Cost Unintentional Release
944.0
Prpty
2642461.0
Commercial Affected
41.0
Industrial Affected
0.0
Residences Affected
56.0
Accident Psig
82.0
Normal Psig
82.0
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
Other Outside Force Damage
Cause Details
Other Outside Force Damage
Outside Force Type
Other Outside Force Damage
Osf Other Details
Water Department Closed A Gas Gate Valve On An Abandoned Cast Iron Gas Main With A 2" Plastic Main Line That Was Inserted Through The Cast Iron, Severing The 2" Plastic Main
Preparer Name
K******** S*****
Preparer Title
Compliance Manager
Preparer Email
K******@n*******.com
Preparer Telephone
508-864-1836
Authorizer Name
K******** S*****
Authorizer Title
Compliance Manager
Authorizer Telephone
508-864-1836
Authorizer Email
K******@n*******.com
Narrative
In the early morning of friday, september 27, 2019, while conducting a check of water valves, contractors working for the city of lawrence inadvertently closed a legacy gas valve that was connected to an abandoned gas main. The abandoned gas main had within it an inserted, active gas main. The turning of the legacy valve sheared the active inserted main. At 03:08 am, columbia gas received a gas odor call and dispatched a tech to investigate. Emergency response procedures were implemented. Update: part a: 16. Customer impact number updated to include customer meters that were turned off in the area but not on the impacted main. General public evacuated is not available as evacuated by fire and police emergency responders. Part d: 2b. Additional dollars added 3. Customer impact number updated to include customer meters that were turned off in the area but not on the impacted main.
Occurred At 2019-09-27 03:08:00
Year 2019
Report Received Date 2019-10-25 00:00:00
Iyear 2019.0
Report Number 20190121.0
Supplemental Number 33472.0
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 2019-09-27 03:08:00
Location Street Address S********@ **********
Location City Name Lawrence
Location County Name Essex
Location State Abbreviation MA
Location Postal Code 01843
Location Latitude 42.697083 Google Maps OpenStreetMap
Location Longitude -71.163293 Google Maps OpenStreetMap
Nrc Rpt Datetime 2019-09-27 06:00:00
Nrc Rpt Num 1259504 NRC Report How to search
Commodity Released Type Natural Gas
Unintentional Release 390.0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Ignite Ind No
Explode Ind No
Num Pub Evacuated 97.0
Incident Identified Datetime 2019-09-27 03:08:00
On Site Datetime 2019-09-27 03:29:00
Federal No
Location Type Public Property
Incident Area Type Underground
Incident Area Subtype Under Pavement
Depth Of Cover 48.0
Crossing No
Pipe Facility Type Privately Owned
System Part Involved Main
Installation Year 2018.0
Pipe Diameter 2.0
Pipe Specification Astm D2513
Pipe Manufacturer Performace Pipe
Material Involved Plastic
Plastic Type Polyethylene (Pe)
Plastic Sdr 11
Material Pe Pipe Code 4710
Release Type Leak
Leak Type Other
Leak Type Other Valve Closed On Inserted Main
Class Location Type Class 3 Location
Est Cost Oper Paid 0.0
Est Cost Prop Damage 1764026.0
Est Cost Emergency 81000.0
Est Cost Other 796491.0
Est Cost Other Details Claims Paid. Claims Center Onsite. Police, Food
Est Cost Unintentional Release 944.0
Prpty 2642461.0
Commercial Affected 41.0
Industrial Affected 0.0
Residences Affected 56.0
Accident Psig 82.0
Normal Psig 82.0
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 Other Outside Force Damage
Cause Details Other Outside Force Damage
Outside Force Type Other Outside Force Damage
Osf Other Details Water Department Closed A Gas Gate Valve On An Abandoned Cast Iron Gas Main With A 2" Plastic Main Line That Was Inserted Through The Cast Iron, Severing The 2" Plastic Main
Preparer Name K******** S*****
Preparer Title Compliance Manager
Preparer Email K******@n*******.com
Preparer Telephone 508-864-1836
Authorizer Name K******** S*****
Authorizer Title Compliance Manager
Authorizer Telephone 508-864-1836
Authorizer Email K******@n*******.com
Narrative In the early morning of friday, september 27, 2019, while conducting a check of water valves, contractors working for the city of lawrence inadvertently closed a legacy gas valve that was connected to an abandoned gas main. The abandoned gas main had within it an inserted, active gas main. The turning of the legacy valve sheared the active inserted main. At 03:08 am, columbia gas received a gas odor call and dispatched a tech to investigate. Emergency response procedures were implemented. Update: part a: 16. Customer impact number updated to include customer meters that were turned off in the area but not on the impacted main. General public evacuated is not available as evacuated by fire and police emergency responders. Part d: 2b. Additional dollars added 3. Customer impact number updated to include customer meters that were turned off in the area but not on the impacted main.

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