GD incident on 2017-06-20 — CA

Operator
Southern California Gas Co
Cause
Notification Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$2,750
Incident datetime
2017-06-20 19:23
Report number
Location
CA, LOS ANGELES
Narrative
On june 20, 2017, a third party contractor was excavating to repair a sewer line when he struck a 3/4 inch steel natural gas service causing a leak. Crews responded, at which point the house that had the damaged service exploded. Once it was deemed safe to do so, socal crews controlled that gas. No injuries resulted from this incident. The damaged service was abandoned and will not be restored until repairs to the house have been made. Investigation of the incident showed there was no valid USA ticket for the contractor. This incident was reported to the DOT and cpuc due to more than $50,000 of damage associated with a release of gas. For any further questions, contact matt bezeck at (619) 328-8631.
Detailed record list
Occurred At
2017-06-20 19:23:00
Year
2017
Report Received Date
2017-07-24 00:00:00
Iyear
2017.0
Report Number
20170061.0
Supplemental Number
16706.0
Report Type
Supplemental Final
Operator Id
Name
Southern California Gas Co
Operator Street Address
555 West Fifth Street
Operator City Name
Los Angeles
Operator State Abbreviation
CA
Operator Postal Code
90013
Local Datetime
2017-06-20 19:23:00
Location Street Address
4955 Marmol Dr
Location City Name
Woodland Hills
Location County Name
Los Angeles
Location State Abbreviation
CA
Location Postal Code
91364
Location Latitude
Location Longitude
Nrc Rpt Datetime
2017-06-20 20:47:00
Nrc Rpt Num
Commodity Released Type
Natural Gas
Unintentional Release
49.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
Yes
Explode Ind
Yes
Num Pub Evacuated
0.0
Incident Identified Datetime
2017-06-20 19:23:00
On Site Datetime
2017-06-20 19:38:00
Federal
No
Location Type
Private Property
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
20.0
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
Service
Installation Year
1966.0
Pipe Diameter
0.75
Pipe Specification
Unknown
Pipe Manufacturer
Unknown
Material Involved
Steel
Steel Seam Type
Other
Steel Seam Type Details
Unknown
Release Type
Mechanical Puncture
Puncture Axial
0.3
Puncture Circum
0.3
Class Location Type
Class 3 Location
Est Cost Oper Paid
1300000.0
Est Cost Prop Damage
2750.0
Est Cost Emergency
200.0
Est Cost Other
0.0
Est Cost Unintentional Release
291.0
Prpty
1303241.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
1.0
Accident Psig
40.0
Normal Psig
40.0
Mop Psig
45.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Notification From Third Party That Caused The Incident
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
No
Notify Cga Dirt
No
Private Row Ind
Yes
Private Subtype
Private Landowner
Excavator Type
Contractor
Excavator Equipment
Hand Tools
Work Performed
Sewer (Sanitary/storm)
One Call Notified Ind
No
Root Cause Category
Notification Issue
Root Cause Type
No Notification Made To The One-Call Center/811
Preparer Name
M*** B*****
Preparer Title
Pipeline Safety And Compliance Advisor
Preparer Email
M******@s**************.com
Preparer Telephone
858-547-2020
Authorizer Name
N**** H***
Authorizer Title
Pipeline Safety And Compliance Advisor
Authorizer Telephone
714-323-9825
Authorizer Email
N****@s**************.com
Narrative
On june 20, 2017, a third party contractor was excavating to repair a sewer line when he struck a 3/4 inch steel natural gas service causing a leak. Crews responded, at which point the house that had the damaged service exploded. Once it was deemed safe to do so, socal crews controlled that gas. No injuries resulted from this incident. The damaged service was abandoned and will not be restored until repairs to the house have been made. Investigation of the incident showed there was no valid USA ticket for the contractor. This incident was reported to the DOT and cpuc due to more than $50,000 of damage associated with a release of gas. For any further questions, contact matt bezeck at (619) 328-8631.
Occurred At 2017-06-20 19:23:00
Year 2017
Report Received Date 2017-07-24 00:00:00
Iyear 2017.0
Report Number 20170061.0
Supplemental Number 16706.0
Report Type Supplemental Final
Operator Id 18484 PHMSA Enforcement
Name Southern California Gas Co
Operator Street Address 555 West Fifth Street
Operator City Name Los Angeles
Operator State Abbreviation CA
Operator Postal Code 90013
Local Datetime 2017-06-20 19:23:00
Location Street Address 4955 Marmol Dr
Location City Name Woodland Hills
Location County Name Los Angeles
Location State Abbreviation CA
Location Postal Code 91364
Location Latitude 34.16021 Google Maps OpenStreetMap
Location Longitude -118.59018 Google Maps OpenStreetMap
Nrc Rpt Datetime 2017-06-20 20:47:00
Nrc Rpt Num 1181797 NRC Report How to search
Commodity Released Type Natural Gas
Unintentional Release 49.0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Ignite Ind Yes
Explode Ind Yes
Num Pub Evacuated 0.0
Incident Identified Datetime 2017-06-20 19:23:00
On Site Datetime 2017-06-20 19:38:00
Federal No
Location Type Private Property
Incident Area Type Underground
Incident Area Subtype Under Soil
Depth Of Cover 20.0
Crossing No
Pipe Facility Type Investor Owned
System Part Involved Service
Installation Year 1966.0
Pipe Diameter 0.75
Pipe Specification Unknown
Pipe Manufacturer Unknown
Material Involved Steel
Steel Seam Type Other
Steel Seam Type Details Unknown
Release Type Mechanical Puncture
Puncture Axial 0.3
Puncture Circum 0.3
Class Location Type Class 3 Location
Est Cost Oper Paid 1300000.0
Est Cost Prop Damage 2750.0
Est Cost Emergency 200.0
Est Cost Other 0.0
Est Cost Unintentional Release 291.0
Prpty 1303241.0
Commercial Affected 0.0
Industrial Affected 0.0
Residences Affected 1.0
Accident Psig 40.0
Normal Psig 40.0
Mop Psig 45.0
Accident Pressure Pressure Did Not Exceed Maop
Scada In Place Ind No
Accident Identifier Notification From Third Party That Caused The Incident
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 No
Notify Cga Dirt No
Private Row Ind Yes
Private Subtype Private Landowner
Excavator Type Contractor
Excavator Equipment Hand Tools
Work Performed Sewer (Sanitary/storm)
One Call Notified Ind No
Root Cause Category Notification Issue
Root Cause Type No Notification Made To The One-Call Center/811
Preparer Name M*** B*****
Preparer Title Pipeline Safety And Compliance Advisor
Preparer Email M******@s**************.com
Preparer Telephone 858-547-2020
Authorizer Name N**** H***
Authorizer Title Pipeline Safety And Compliance Advisor
Authorizer Telephone 714-323-9825
Authorizer Email N****@s**************.com
Narrative On june 20, 2017, a third party contractor was excavating to repair a sewer line when he struck a 3/4 inch steel natural gas service causing a leak. Crews responded, at which point the house that had the damaged service exploded. Once it was deemed safe to do so, socal crews controlled that gas. No injuries resulted from this incident. The damaged service was abandoned and will not be restored until repairs to the house have been made. Investigation of the incident showed there was no valid USA ticket for the contractor. This incident was reported to the DOT and cpuc due to more than $50,000 of damage associated with a release of gas. For any further questions, contact matt bezeck at (619) 328-8631.

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