Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2020-11-25 — CA
Operator
Southern California Gas Co
Cause
Other Outside Force Damage
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$10,000
Incident datetime
2020-11-25 12:09
Report number
Location
CA, LOS ANGELES
Narrative
On november 25, 2020, an electrical transformer released a charge of energy into the ground. Upon investigation, it was determined that this release in energy arced and created a gouge in both the gas service and water service at 301 n marengo ave, alhambra. Water entered the gas service due to the difference in pressure causing 161 gas service outages. Socalgas crews identified and isolated the intrusion point and extracted the water from all mains and services affected. This was reported to cpuc and DOT due to a release of gas and damages exceeding $50,000.
Detailed record list
Occurred At
2020-11-25 12:09:00
Year
2020
Report Received Date
2020-12-23 00:00:00
Iyear
2020.0
Report Number
20200126.0
Supplemental Number
35130.0
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
2020-11-25 16:28:00
Time Zone
Pacific
Daylight Savings Ind
No
Location Street Address
301 N Marengo Ave
Location City Name
Alhambra
Location County Name
Los Angeles
Location State Abbreviation
CA
Location Postal Code
91801
Location Latitude
34.09499
Location Longitude
-118.14232
Flow Cont Other Ind
Yes
Flow Cont Other Detail
Stopped At Service To Main Connection
Nrc Rpt Datetime
2020-11-25 16:28:00
Nrc Rpt Num
1293031
Additional Nrc Report Numbers
1293113
Commodity Released Type
Natural Gas
Unintentional Release
50.31
Intentional Release
1077.43
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Num Pub Evacuated
0.0
Incident Identified Datetime
2020-11-25 12:09:00
On Site Datetime
2020-11-25 12:14:00
Federal
No
Location Type
Private Property
Incident Area Type
Underground
Incident Area Subtype
Under Pavement
Depth Of Cover
28.0
Other Underground Facilities
Yes
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
Service
Installation Year
1948.0
Customer Type
Non-Residential With Meter Capacity 1,000 Scfh Or Higher
Was Efv Installed Before Ind
No
Curb Valve Inst Before Inc Ind
No
Pipe Diameter
1.25
Pipe Specification
Unknown
Pipe Manufacturer
Unknown
Material Involved
Steel
Steel Seam Type
Other
Steel Seam Type Details
Unknown
Release Type
Other
Release Type Details
Electrical Arc
Class Location Type
Class 3 Location
Est Cost Oper Paid
13000.0
Est Cost Prop Damage
10000.0
Est Cost Emergency
55329.0
Est Cost Other
0.0
Gas Cost In Mcf
6.0
Est Cost Unintentional Release
302.0
Est Cost Intentional Release
6465.0
Prpty
85096.0
Commercial Affected
4.0
Industrial Affected
1.0
Residences Affected
156.0
Num Persons Hosp Not Ovnght
0.0
Num Injured Treated By Emt
0.0
Num Resident Building Affctd
156.0
Num Business Building Affctd
5.0
Accident Psig
23.0
Normal Psig
23.0
Mop Psig
25.0
Mop Cfr Section
192.621 M
Maop Established Date
1970-08-19 00:00:00
Accident Pressure
Pressure Did Not Exceed Maop
Gas Odorized System Type
None
Gas Odorized Lvl Not Msrd Ind
Yes
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
Other Outside Force Damage
Cause Details
Electrical Arcing From Other Equipment Or Facility
Outside Force Type
Electrical Arcing From Other Equipment Or Facility
Osf Other Underground Ind
Yes
Preparer Name
F**** S**** C***
Preparer Email
F*********@s*******.com
Preparer Telephone
2134070168
Local Contact Name
F**** S**** C***
Local Contact Email
F*********@s*******.com
Local Contact Telephone
2134070168
Authorizer Name
F**** S**** C***
Authorizer Title
Pipeline Safety And Compliance Advisor
Authorizer Telephone
2134070168
Authorizer Email
F*********@s*******.com
Narrative
On november 25, 2020, an electrical transformer released a charge of energy into the ground. Upon investigation, it was determined that this release in energy arced and created a gouge in both the gas service and water service at 301 n marengo ave, alhambra. Water entered the gas service due to the difference in pressure causing 161 gas service outages. Socalgas crews identified and isolated the intrusion point and extracted the water from all mains and services affected. This was reported to cpuc and DOT due to a release of gas and damages exceeding $50,000.
| Occurred At | 2020-11-25 12:09:00 |
|---|---|
| Year | 2020 |
| Report Received Date | 2020-12-23 00:00:00 |
| Iyear | 2020.0 |
| Report Number | 20200126.0 |
| Supplemental Number | 35130.0 |
| 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 | 2020-11-25 16:28:00 |
| Time Zone | Pacific |
| Daylight Savings Ind | No |
| Location Street Address | 301 N Marengo Ave |
| Location City Name | Alhambra |
| Location County Name | Los Angeles |
| Location State Abbreviation | CA |
| Location Postal Code | 91801 |
| Location Latitude | 34.09499 Google Maps OpenStreetMap |
| Location Longitude | -118.14232 Google Maps OpenStreetMap |
| Flow Cont Other Ind | Yes |
| Flow Cont Other Detail | Stopped At Service To Main Connection |
| Nrc Rpt Datetime | 2020-11-25 16:28:00 |
| Nrc Rpt Num | 1293031 NRC Report How to search |
| Additional Nrc Report Numbers | 1293113 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 50.31 |
| Intentional Release | 1077.43 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Num Pub Evacuated | 0.0 |
| Incident Identified Datetime | 2020-11-25 12:09:00 |
| On Site Datetime | 2020-11-25 12:14:00 |
| Federal | No |
| Location Type | Private Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Pavement |
| Depth Of Cover | 28.0 |
| Other Underground Facilities | Yes |
| Crossing | No |
| Pipe Facility Type | Investor Owned |
| System Part Involved | Service |
| Installation Year | 1948.0 |
| Customer Type | Non-Residential With Meter Capacity 1,000 Scfh Or Higher |
| Was Efv Installed Before Ind | No |
| Curb Valve Inst Before Inc Ind | No |
| Pipe Diameter | 1.25 |
| Pipe Specification | Unknown |
| Pipe Manufacturer | Unknown |
| Material Involved | Steel |
| Steel Seam Type | Other |
| Steel Seam Type Details | Unknown |
| Release Type | Other |
| Release Type Details | Electrical Arc |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 13000.0 |
| Est Cost Prop Damage | 10000.0 |
| Est Cost Emergency | 55329.0 |
| Est Cost Other | 0.0 |
| Gas Cost In Mcf | 6.0 |
| Est Cost Unintentional Release | 302.0 |
| Est Cost Intentional Release | 6465.0 |
| Prpty | 85096.0 |
| Commercial Affected | 4.0 |
| Industrial Affected | 1.0 |
| Residences Affected | 156.0 |
| Num Persons Hosp Not Ovnght | 0.0 |
| Num Injured Treated By Emt | 0.0 |
| Num Resident Building Affctd | 156.0 |
| Num Business Building Affctd | 5.0 |
| Accident Psig | 23.0 |
| Normal Psig | 23.0 |
| Mop Psig | 25.0 |
| Mop Cfr Section | 192.621 M View CFR 49 §192 |
| Maop Established Date | 1970-08-19 00:00:00 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Gas Odorized System Type | None |
| Gas Odorized Lvl Not Msrd Ind | Yes |
| 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 | Other Outside Force Damage |
| Cause Details | Electrical Arcing From Other Equipment Or Facility |
| Outside Force Type | Electrical Arcing From Other Equipment Or Facility |
| Osf Other Underground Ind | Yes |
| Preparer Name | F**** S**** C*** |
| Preparer Email | F*********@s*******.com |
| Preparer Telephone | 2134070168 |
| Local Contact Name | F**** S**** C*** |
| Local Contact Email | F*********@s*******.com |
| Local Contact Telephone | 2134070168 |
| Authorizer Name | F**** S**** C*** |
| Authorizer Title | Pipeline Safety And Compliance Advisor |
| Authorizer Telephone | 2134070168 |
| Authorizer Email | F*********@s*******.com |
| Narrative | On november 25, 2020, an electrical transformer released a charge of energy into the ground. Upon investigation, it was determined that this release in energy arced and created a gouge in both the gas service and water service at 301 n marengo ave, alhambra. Water entered the gas service due to the difference in pressure causing 161 gas service outages. Socalgas crews identified and isolated the intrusion point and extracted the water from all mains and services affected. This was reported to cpuc and DOT due to a release of gas and damages exceeding $50,000. |
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