Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2018-04-10 — CA
Operator
Southern California Gas Co
Cause
Excavation Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$221,696
Incident datetime
2018-04-10 12:11
Report number
Location
CA, LOS ANGELES
Narrative
On april 10, 2018, a third-party contractor struck a 6-inch gas steel distribution line while performing trenching for a new sewer line. This resulted in an escape of gas. Crew responded and was able to control the gas through closing a valve. There were no injuries that resulted from this incident. Investigation showed that prior to the incident, the third-party contractor had a USA ticket and the line was properly marked by the utility owner. At the time of the incident, the third-party contractor did have a valid USA ticket for the excavation activities performed. In addition, the third-party contractor failed to pot hole the facilities by hand. This incident was reported to DOT and cpuc due to estimated damage amount exceeding $50,000. On 05/23/2018, changed the notification time (part a) to the nrc from 1330 to 1030. For any further questions, contact bryon walsh-(619) 992-1473. Final report box checked
Detailed record list
Occurred At
2018-04-10 12:11:00
Year
2018
Report Received Date
2018-05-10 00:00:00
Iyear
2018.0
Report Number
20180052.0
Supplemental Number
31422.0
Report Type
Supplemental 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
2018-04-10 12:11:00
Location Street Address
Intersection Of Topanga Cyn Blvd & Poema Pl
Location City Name
Chatsworth
Location County Name
Los Angeles
Location State Abbreviation
CA
Location Postal Code
90290
Location Latitude
34.278506
Location Longitude
-118.604442
Nrc Rpt Datetime
2018-04-12 10:30:00
Nrc Rpt Num
1209161
Commodity Released Type
Natural Gas
Unintentional Release
193.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0.0
Incident Identified Datetime
2018-04-10 12:11:00
On Site Datetime
2018-04-10 12:31:00
Federal
No
Location Type
Public Property
Incident Area Type
Underground
Incident Area Subtype
Under Pavement
Depth Of Cover
40.0
Crossing
Yes
Road Crossing Ind
Yes
Road Type
Uncased
Pipe Facility Type
Investor Owned
System Part Involved
Main
Installation Year
1987.0
Pipe Diameter
6.0
Pipe Specification
Unknown
Pipe Manufacturer
Unknown
Material Involved
Steel
Steel Seam Type
Other
Steel Seam Type Details
Unknown
Wt Steel
0.188
Release Type
Mechanical Puncture
Puncture Axial
4.0
Puncture Circum
1.0
Class Location Type
Class 3 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
221696.0
Est Cost Emergency
200.0
Est Cost Other
0.0
Est Cost Unintentional Release
1158.0
Prpty
223054.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
429.0
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
Yes
One Call System Ind
Yes
Notify Cga Dirt
No
Public Row Ind
Yes
Public Subtype
County Road
Excavator Type
Contractor
Excavator Equipment
Backhoe/trackhoe
Work Performed
Sewer (Sanitary/storm)
One Call Notified Ind
Yes
One Call Ticket Num
18086013
One Call Center Name
Digalert
Locator Type
Utility Owner
Visible Marks
Yes
Service Interruption
Yes
Service Interruption Hours
26.0
Root Cause Category
Excavation Issue
Root Cause Type
Improper Excavation Practice Not Listed Above
Preparer Name
B**** W****
Preparer Title
Pipeline Safety And Compliance Advisor
Preparer Email
B*****@s**************.com
Preparer Telephone
619-992-1473
Authorizer Name
B**** W****
Authorizer Title
Pipeline Safety And Compliance Advisor
Authorizer Telephone
619-992-1473
Authorizer Email
B*****@s**************.com
Narrative
On april 10, 2018, a third-party contractor struck a 6-inch gas steel distribution line while performing trenching for a new sewer line. This resulted in an escape of gas. Crew responded and was able to control the gas through closing a valve. There were no injuries that resulted from this incident. Investigation showed that prior to the incident, the third-party contractor had a USA ticket and the line was properly marked by the utility owner. At the time of the incident, the third-party contractor did have a valid USA ticket for the excavation activities performed. In addition, the third-party contractor failed to pot hole the facilities by hand. This incident was reported to DOT and cpuc due to estimated damage amount exceeding $50,000. On 05/23/2018, changed the notification time (part a) to the nrc from 1330 to 1030. For any further questions, contact bryon walsh-(619) 992-1473. Final report box checked
| Occurred At | 2018-04-10 12:11:00 |
|---|---|
| Year | 2018 |
| Report Received Date | 2018-05-10 00:00:00 |
| Iyear | 2018.0 |
| Report Number | 20180052.0 |
| Supplemental Number | 31422.0 |
| 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 | 2018-04-10 12:11:00 |
| Location Street Address | Intersection Of Topanga Cyn Blvd & Poema Pl |
| Location City Name | Chatsworth |
| Location County Name | Los Angeles |
| Location State Abbreviation | CA |
| Location Postal Code | 90290 |
| Location Latitude | 34.278506 Google Maps OpenStreetMap |
| Location Longitude | -118.604442 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2018-04-12 10:30:00 |
| Nrc Rpt Num | 1209161 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 193.0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0.0 |
| Incident Identified Datetime | 2018-04-10 12:11:00 |
| On Site Datetime | 2018-04-10 12:31:00 |
| Federal | No |
| Location Type | Public Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Pavement |
| Depth Of Cover | 40.0 |
| Crossing | Yes |
| Road Crossing Ind | Yes |
| Road Type | Uncased |
| Pipe Facility Type | Investor Owned |
| System Part Involved | Main |
| Installation Year | 1987.0 |
| Pipe Diameter | 6.0 |
| Pipe Specification | Unknown |
| Pipe Manufacturer | Unknown |
| Material Involved | Steel |
| Steel Seam Type | Other |
| Steel Seam Type Details | Unknown |
| Wt Steel | 0.188 |
| Release Type | Mechanical Puncture |
| Puncture Axial | 4.0 |
| Puncture Circum | 1.0 |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 221696.0 |
| Est Cost Emergency | 200.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 1158.0 |
| Prpty | 223054.0 |
| Commercial Affected | 0.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 429.0 |
| 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 | Yes |
| One Call System Ind | Yes |
| Notify Cga Dirt | No |
| Public Row Ind | Yes |
| Public Subtype | County Road |
| Excavator Type | Contractor |
| Excavator Equipment | Backhoe/trackhoe |
| Work Performed | Sewer (Sanitary/storm) |
| One Call Notified Ind | Yes |
| One Call Ticket Num | 18086013 |
| One Call Center Name | Digalert |
| Locator Type | Utility Owner |
| Visible Marks | Yes |
| Service Interruption | Yes |
| Service Interruption Hours | 26.0 |
| Root Cause Category | Excavation Issue |
| Root Cause Type | Improper Excavation Practice Not Listed Above |
| Preparer Name | B**** W**** |
| Preparer Title | Pipeline Safety And Compliance Advisor |
| Preparer Email | B*****@s**************.com |
| Preparer Telephone | 619-992-1473 |
| Authorizer Name | B**** W**** |
| Authorizer Title | Pipeline Safety And Compliance Advisor |
| Authorizer Telephone | 619-992-1473 |
| Authorizer Email | B*****@s**************.com |
| Narrative | On april 10, 2018, a third-party contractor struck a 6-inch gas steel distribution line while performing trenching for a new sewer line. This resulted in an escape of gas. Crew responded and was able to control the gas through closing a valve. There were no injuries that resulted from this incident. Investigation showed that prior to the incident, the third-party contractor had a USA ticket and the line was properly marked by the utility owner. At the time of the incident, the third-party contractor did have a valid USA ticket for the excavation activities performed. In addition, the third-party contractor failed to pot hole the facilities by hand. This incident was reported to DOT and cpuc due to estimated damage amount exceeding $50,000. On 05/23/2018, changed the notification time (part a) to the nrc from 1330 to 1030. For any further questions, contact bryon walsh-(619) 992-1473. Final report box checked |
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