Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2020-01-13 — CA
Operator
Southern California Gas Co
Cause
Corrosion Failure
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$26,000
Incident datetime
2020-01-13 09:43
Report number
Location
CA, LOS ANGELES
Narrative
On 01/13/2020, socalgas was notified of a gas leak at 642 s alvarado street, los angeles. Socalgas crews were sent to the scene to perform leak investigation and centered leak over an 8-inch steel main. The leak was isolated by operating two mainline valves and gas was controlled at 05:25 on 01/14/2020. The leak was permanently repaired on 01/14/2020 by welding on a weld patch. All customer restores were completed on 01/15/2020. There were no injuries or further damages resulting from the release of gas. Further investigation shows the cause of leak was corrosion on bottom of main. A cathodic protection mitigation plan was developed to monitor the bell hole location until further remediation is determined. This incident was reported to DOT and cpuc due to gas release and damages exceeding $50,000. For any further questions, please contact ali matin at (909) 919-0463.
Detailed record list
Occurred At
2020-01-13 09:43:00
Year
2020
Report Received Date
2020-02-12 00:00:00
Iyear
2020.0
Report Number
20200021.0
Supplemental Number
33327.0
Report Type
Original Final
Operator Id
18484
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
2020-01-13 09:43:00
Location Street Address
642 S Alvarado Street
Location City Name
Los Angeles
Location County Name
Los Angeles
Location State Abbreviation
CA
Location Postal Code
90057
Location Latitude
34.057975
Location Longitude
-118.275783
Nrc Rpt Datetime
2020-01-14 09:04:00
Nrc Rpt Num
1268662
Commodity Released Type
Natural Gas
Unintentional Release
561.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
120.0
Incident Identified Datetime
2020-01-13 09:43:00
On Site Datetime
2020-01-13 09:43:00
Federal
No
Location Type
Public Property
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Depth Of Cover
57.0
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
Main
Installation Year
1933.0
Pipe Diameter
8.0
Pipe Specification
Unknown
Pipe Manufacturer
Unknown
Material Involved
Steel
Steel Seam Type
Other
Steel Seam Type Details
Unknown
Release Type
Leak
Leak Type
Other
Leak Type Other
Corrosion On Band.
Class Location Type
Class 4 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
26000.0
Est Cost Emergency
14000.0
Est Cost Other
15000.0
Est Cost Other Details
Paving Costs.
Est Cost Unintentional Release
3366.0
Prpty
58366.0
Commercial Affected
1.0
Industrial Affected
0.0
Residences Affected
35.0
Accident Psig
35.0
Normal Psig
35.0
Mop Psig
40.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Notification From Public
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
Corrosion Failure
Cause Details
External Corrosion
Internal External
External Corrosion
Visual Exam Results
Localized Pitting
Other Corrosion Ind
Yes
Corrosion Type Details
Preliminary Indication Is Stray Current.
Field Exam Basis Ind
Yes
Underground Location
Yes
Under Cathodic Protection Ind
No
Shielding Evident
No
Cathodic Survey Type
No
Prior Damage
No
Coating Type
Coal Tar
Cor Hydrotest Leak Survey Date
2019-09-16 00:00:00
Cor Hydrotest Conducted Ind
No
Preparer Name
A** M****
Preparer Title
Pipeline Safety And Compliance Advisor
Preparer Email
A*****@s*******.com
Preparer Telephone
909-919-0463
Authorizer Name
A** M****
Authorizer Title
Pipeline Safety And Compliance Advisor
Authorizer Telephone
909-919-0463
Authorizer Email
A*****@s*******.com
Narrative
On 01/13/2020, socalgas was notified of a gas leak at 642 s alvarado street, los angeles. Socalgas crews were sent to the scene to perform leak investigation and centered leak over an 8-inch steel main. The leak was isolated by operating two mainline valves and gas was controlled at 05:25 on 01/14/2020. The leak was permanently repaired on 01/14/2020 by welding on a weld patch. All customer restores were completed on 01/15/2020. There were no injuries or further damages resulting from the release of gas. Further investigation shows the cause of leak was corrosion on bottom of main. A cathodic protection mitigation plan was developed to monitor the bell hole location until further remediation is determined. This incident was reported to DOT and cpuc due to gas release and damages exceeding $50,000. For any further questions, please contact ali matin at (909) 919-0463.
| Occurred At | 2020-01-13 09:43:00 |
|---|---|
| Year | 2020 |
| Report Received Date | 2020-02-12 00:00:00 |
| Iyear | 2020.0 |
| Report Number | 20200021.0 |
| Supplemental Number | 33327.0 |
| Report Type | Original 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 | 2020-01-13 09:43:00 |
| Location Street Address | 642 S Alvarado Street |
| Location City Name | Los Angeles |
| Location County Name | Los Angeles |
| Location State Abbreviation | CA |
| Location Postal Code | 90057 |
| Location Latitude | 34.057975 Google Maps OpenStreetMap |
| Location Longitude | -118.275783 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2020-01-14 09:04:00 |
| Nrc Rpt Num | 1268662 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 561.0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 120.0 |
| Incident Identified Datetime | 2020-01-13 09:43:00 |
| On Site Datetime | 2020-01-13 09:43:00 |
| Federal | No |
| Location Type | Public Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Exposed Due To Excavation |
| Depth Of Cover | 57.0 |
| Crossing | No |
| Pipe Facility Type | Investor Owned |
| System Part Involved | Main |
| Installation Year | 1933.0 |
| Pipe Diameter | 8.0 |
| Pipe Specification | Unknown |
| Pipe Manufacturer | Unknown |
| Material Involved | Steel |
| Steel Seam Type | Other |
| Steel Seam Type Details | Unknown |
| Release Type | Leak |
| Leak Type | Other |
| Leak Type Other | Corrosion On Band. |
| Class Location Type | Class 4 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 26000.0 |
| Est Cost Emergency | 14000.0 |
| Est Cost Other | 15000.0 |
| Est Cost Other Details | Paving Costs. |
| Est Cost Unintentional Release | 3366.0 |
| Prpty | 58366.0 |
| Commercial Affected | 1.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 35.0 |
| Accident Psig | 35.0 |
| Normal Psig | 35.0 |
| Mop Psig | 40.0 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Scada In Place Ind | No |
| Accident Identifier | Notification From Public |
| 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 | Corrosion Failure |
| Cause Details | External Corrosion |
| Internal External | External Corrosion |
| Visual Exam Results | Localized Pitting |
| Other Corrosion Ind | Yes |
| Corrosion Type Details | Preliminary Indication Is Stray Current. |
| Field Exam Basis Ind | Yes |
| Underground Location | Yes |
| Under Cathodic Protection Ind | No |
| Shielding Evident | No |
| Cathodic Survey Type | No |
| Prior Damage | No |
| Coating Type | Coal Tar |
| Cor Hydrotest Leak Survey Date | 2019-09-16 00:00:00 |
| Cor Hydrotest Conducted Ind | No |
| Preparer Name | A** M**** |
| Preparer Title | Pipeline Safety And Compliance Advisor |
| Preparer Email | A*****@s*******.com |
| Preparer Telephone | 909-919-0463 |
| Authorizer Name | A** M**** |
| Authorizer Title | Pipeline Safety And Compliance Advisor |
| Authorizer Telephone | 909-919-0463 |
| Authorizer Email | A*****@s*******.com |
| Narrative | On 01/13/2020, socalgas was notified of a gas leak at 642 s alvarado street, los angeles. Socalgas crews were sent to the scene to perform leak investigation and centered leak over an 8-inch steel main. The leak was isolated by operating two mainline valves and gas was controlled at 05:25 on 01/14/2020. The leak was permanently repaired on 01/14/2020 by welding on a weld patch. All customer restores were completed on 01/15/2020. There were no injuries or further damages resulting from the release of gas. Further investigation shows the cause of leak was corrosion on bottom of main. A cathodic protection mitigation plan was developed to monitor the bell hole location until further remediation is determined. This incident was reported to DOT and cpuc due to gas release and damages exceeding $50,000. For any further questions, please contact ali matin at (909) 919-0463. |
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