GD incident on 2015-07-25 — TX

Operator
Bay City Municipal Gas System
Cause
Locating Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$150
Incident datetime
2015-07-25 15:05
Report number
Location
TX, MATAGORDA
Narrative
Lawn sprinkler system being installed at private residence. Locate requests were received, known lines were marked. Installer using walk-behind trench hit and cut an unknown service line at approximately 11 inches of depth. Installer evacuated personnel and trencher later ignited escaping gas, destroying trencher. No other property damages, no injuries. Line was squeezed off by gas company personnel and later repaired to restore service to residence.
Detailed record list
Occurred At
2015-07-25 15:05:00
Year
2015
Report Received Date
2015-07-29 00:00:00
Iyear
2015.0
Report Number
20150077.0
Supplemental Number
16128.0
Report Type
Original
Operator Id
Name
Bay City Municipal Gas System
Operator Street Address
1100 6th Street
Operator City Name
Bay City
Operator State Abbreviation
TX
Operator Postal Code
77414
Local Datetime
2015-07-25 15:05:00
Location Street Address
615 2nd Street
Location City Name
Bay City
Location County Name
Matagorda
Location State Abbreviation
TX
Location Postal Code
77414
Location Latitude
Location Longitude
Nrc Rpt Datetime
2015-07-25 17:20:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Unintentional Release
0.1
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
Yes
Explode Ind
No
Num Pub Evacuated
0.0
Incident Identified Datetime
2015-07-25 15:05:00
On Site Datetime
2015-07-25 15:20:00
Federal
No
Location Type
Private Property
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Depth Of Cover
11.0
Crossing
No
Pipe Facility Type
Municipally Owned
System Part Involved
Service
Pipe Diameter
1.0
Pipe Specification
Unknown
Pipe Manufacturer
Unknown
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Wt Plastic Unknown Ind
Unknown
Material Pe Pipe Code
2406
Release Type
Mechanical Puncture
Puncture Axial
1.0
Puncture Circum
1.0
Class Location Type
Class 3 Location
Est Cost Oper Paid
9000.0
Est Cost Prop Damage
150.0
Est Cost Emergency
300.0
Est Cost Other
0.0
Est Cost Unintentional Release
2.0
Prpty
9452.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
1.0
Accident Psig
25.0
Normal Psig
25.0
Mop Psig
40.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Notification From Emergency Responder
Investigation Status
No, the facility was not monitored by a controller(s) at the time of the incident
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
Private Row Ind
Yes
Private Subtype
Private Landowner
Excavator Type
Contractor
Excavator Equipment
Trencher
Work Performed
Irrigation
One Call Notified Ind
No
Service Interruption
Yes
Service Interruption Hours
2.0
Root Cause Category
Locating Issue
Root Cause Type
Facility Not Marked Due To Incorrect Facility Records/maps
Preparer Name
L** G****
Preparer Title
Operations Manager
Preparer Email
L**@b*********.com
Preparer Telephone
979.245.2194
Preparer Fax
979.244.1422
Authorizer Name
K**** H****
Authorizer Title
Director
Authorizer Telephone
9792452194
Authorizer Email
K****@b*********.com
Narrative
Lawn sprinkler system being installed at private residence. Locate requests were received, known lines were marked. Installer using walk-behind trench hit and cut an unknown service line at approximately 11 inches of depth. Installer evacuated personnel and trencher later ignited escaping gas, destroying trencher. No other property damages, no injuries. Line was squeezed off by gas company personnel and later repaired to restore service to residence.
Occurred At 2015-07-25 15:05:00
Year 2015
Report Received Date 2015-07-29 00:00:00
Iyear 2015.0
Report Number 20150077.0
Supplemental Number 16128.0
Report Type Original
Operator Id 1184 PHMSA Enforcement
Name Bay City Municipal Gas System
Operator Street Address 1100 6th Street
Operator City Name Bay City
Operator State Abbreviation TX
Operator Postal Code 77414
Local Datetime 2015-07-25 15:05:00
Location Street Address 615 2nd Street
Location City Name Bay City
Location County Name Matagorda
Location State Abbreviation TX
Location Postal Code 77414
Location Latitude 28.97743 Google Maps OpenStreetMap
Location Longitude -95.98214 Google Maps OpenStreetMap
Nrc Rpt Datetime 2015-07-25 17:20:00
Nrc Rpt Num 1123830 NRC Report How to search
Commodity Released Type Natural Gas
Unintentional Release 0.1
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Ignite Ind Yes
Explode Ind No
Num Pub Evacuated 0.0
Incident Identified Datetime 2015-07-25 15:05:00
On Site Datetime 2015-07-25 15:20:00
Federal No
Location Type Private Property
Incident Area Type Underground
Incident Area Subtype Exposed Due To Excavation
Depth Of Cover 11.0
Crossing No
Pipe Facility Type Municipally Owned
System Part Involved Service
Pipe Diameter 1.0
Pipe Specification Unknown
Pipe Manufacturer Unknown
Material Involved Plastic
Plastic Type Polyethylene (Pe)
Wt Plastic Unknown Ind Unknown
Material Pe Pipe Code 2406
Release Type Mechanical Puncture
Puncture Axial 1.0
Puncture Circum 1.0
Class Location Type Class 3 Location
Est Cost Oper Paid 9000.0
Est Cost Prop Damage 150.0
Est Cost Emergency 300.0
Est Cost Other 0.0
Est Cost Unintentional Release 2.0
Prpty 9452.0
Commercial Affected 0.0
Industrial Affected 0.0
Residences Affected 1.0
Accident Psig 25.0
Normal Psig 25.0
Mop Psig 40.0
Accident Pressure Pressure Did Not Exceed Maop
Scada In Place Ind No
Accident Identifier Notification From Emergency Responder
Investigation Status No, the facility was not monitored by a controller(s) at the time of the incident
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
Private Row Ind Yes
Private Subtype Private Landowner
Excavator Type Contractor
Excavator Equipment Trencher
Work Performed Irrigation
One Call Notified Ind No
Service Interruption Yes
Service Interruption Hours 2.0
Root Cause Category Locating Issue
Root Cause Type Facility Not Marked Due To Incorrect Facility Records/maps
Preparer Name L** G****
Preparer Title Operations Manager
Preparer Email L**@b*********.com
Preparer Telephone 979.245.2194
Preparer Fax 979.244.1422
Authorizer Name K**** H****
Authorizer Title Director
Authorizer Telephone 9792452194
Authorizer Email K****@b*********.com
Narrative Lawn sprinkler system being installed at private residence. Locate requests were received, known lines were marked. Installer using walk-behind trench hit and cut an unknown service line at approximately 11 inches of depth. Installer evacuated personnel and trencher later ignited escaping gas, destroying trencher. No other property damages, no injuries. Line was squeezed off by gas company personnel and later repaired to restore service to residence.

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