Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2013-04-22 — CA
Operator
Pacific Gas & Electric Co
Cause
Excavation Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$3,000
Incident datetime
2013-04-22 08:22
Report number
Location
CA, KERN
Narrative
On april 22, 2013 at approximately 0822 hours, pacific gas and electric (pg&e) was notified that a third party contractor was performing road pavement activities when the operator of a road grinder struck a 3-inch steel gas distribution main, causing a release of gas. The gas ignited and the road grinder caught fire resulting in over $50,000 of damage to the excavator's equipment. Pg&e arrived on scene at 0850 hours and stopped the flow of gas at 1111 hours by digging and isolating the steel main with pressure control fittings. The contractor held a valid USA ticket (#140210) for the area where the main was struck and the gas facilities were properly located and marked, but the contractor failed to hand dig, expose and protect the gas main prior to digging with mechanical equipment. There were no injuries and no fatalities as a result of this incident. Out of an abundance of caution, the fire department evacuated seven homes and 12 customers experienced gas service interruption. Gas service to all affected customers was restored by 2345 hours. This incident was reported to the cpuc and DOT because the cost of damages is above $50,000.
Detailed record list
Occurred At
2013-04-22 08:22:00
Year
2013
Report Received Date
2013-05-22 00:00:00
Iyear
2013.0
Report Number
20130059.0
Supplemental Number
15666.0
Report Type
Original Final
Operator Id
15007
Name
Pacific Gas & Electric Co
Operator Street Address
6121 Bollinger Canyon Rd.
Operator City Name
San Ramon
Operator State Abbreviation
CA
Operator Postal Code
94583
Local Datetime
2013-04-22 08:22:00
Location Street Address
Alta Vista And Linden Avenue
Location City Name
Bakersfield
Location County Name
Kern
Location State Abbreviation
CA
Location Postal Code
93305
Location Latitude
35.40481
Location Longitude
-118.99131
Nrc Rpt Num
1044707
Commodity Released Type
Natural Gas
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
Yes
Explode Ind
No
Incident Identified Datetime
2013-04-22 08:22:00
On Site Datetime
2013-04-22 08:50:00
Federal
No
Location Type
Public Property
Incident Area Type
Underground
Depth Of Cover
4.0
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Installation Year
1938.0
Pipe Diameter
3.0
Pipe Specification
Unknown
Pipe Manufacturer
Unknown
Material Involved
Steel
Steel Seam Type
Other
Steel Seam Type Details
Unknown
Release Type
Mechanical Puncture
Class Location Type
Class 3 Location
Est Cost Oper Paid
750000.0
Est Cost Prop Damage
3000.0
Est Cost Emergency
0.0
Est Cost Other
0.0
Est Cost Unintentional Release
200.0
Prpty
753200.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
12.0
Accident Psig
48.0
Normal Psig
48.0
Mop Psig
60.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Notification From Emergency Responder
Investigation Status
No, the operator did not find that an investigation of the controller(s) actions or control room issues was necessary due to: (provide an explanation for why the operator did not investigate)
Investigation Status Details
There is no scada on this portion of the system
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
Public Row Ind
Yes
Public Subtype
City Street
Excavator Type
Contractor
Excavator Equipment
Grader/scraper
Work Performed
Road Work
One Call Notified Ind
Yes
One Call Ticket Num
140210
One Call Center Name
Usa North
Locator Type
Utility Owner
Visible Marks
Yes
Service Interruption
Yes
Service Interruption Hours
12.0
Root Cause Category
Excavation Issue
Root Cause Type
Improper Excavation Practice Not Listed Above
Preparer Name
C***** D****
Preparer Title
Compliance Engineer
Preparer Email
C***@p**.com
Preparer Telephone
925-974-4378
Authorizer Name
F****** Y**
Authorizer Title
Regulatory Compliance And Support Director
Authorizer Telephone
925-974-4316
Authorizer Email
F***@p**.com
Narrative
On april 22, 2013 at approximately 0822 hours, pacific gas and electric (pg&e) was notified that a third party contractor was performing road pavement activities when the operator of a road grinder struck a 3-inch steel gas distribution main, causing a release of gas. The gas ignited and the road grinder caught fire resulting in over $50,000 of damage to the excavator's equipment. Pg&e arrived on scene at 0850 hours and stopped the flow of gas at 1111 hours by digging and isolating the steel main with pressure control fittings. The contractor held a valid USA ticket (#140210) for the area where the main was struck and the gas facilities were properly located and marked, but the contractor failed to hand dig, expose and protect the gas main prior to digging with mechanical equipment. There were no injuries and no fatalities as a result of this incident. Out of an abundance of caution, the fire department evacuated seven homes and 12 customers experienced gas service interruption. Gas service to all affected customers was restored by 2345 hours. This incident was reported to the cpuc and DOT because the cost of damages is above $50,000.
| Occurred At | 2013-04-22 08:22:00 |
|---|---|
| Year | 2013 |
| Report Received Date | 2013-05-22 00:00:00 |
| Iyear | 2013.0 |
| Report Number | 20130059.0 |
| Supplemental Number | 15666.0 |
| Report Type | Original Final |
| Operator Id | 15007 PHMSA Enforcement |
| Name | Pacific Gas & Electric Co |
| Operator Street Address | 6121 Bollinger Canyon Rd. |
| Operator City Name | San Ramon |
| Operator State Abbreviation | CA |
| Operator Postal Code | 94583 |
| Local Datetime | 2013-04-22 08:22:00 |
| Location Street Address | Alta Vista And Linden Avenue |
| Location City Name | Bakersfield |
| Location County Name | Kern |
| Location State Abbreviation | CA |
| Location Postal Code | 93305 |
| Location Latitude | 35.40481 Google Maps OpenStreetMap |
| Location Longitude | -118.99131 Google Maps OpenStreetMap |
| Nrc Rpt Num | 1044707 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | Yes |
| Explode Ind | No |
| Incident Identified Datetime | 2013-04-22 08:22:00 |
| On Site Datetime | 2013-04-22 08:50:00 |
| Federal | No |
| Location Type | Public Property |
| Incident Area Type | Underground |
| Depth Of Cover | 4.0 |
| Crossing | No |
| Pipe Facility Type | Privately Owned |
| System Part Involved | Main |
| Installation Year | 1938.0 |
| Pipe Diameter | 3.0 |
| Pipe Specification | Unknown |
| Pipe Manufacturer | Unknown |
| Material Involved | Steel |
| Steel Seam Type | Other |
| Steel Seam Type Details | Unknown |
| Release Type | Mechanical Puncture |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 750000.0 |
| Est Cost Prop Damage | 3000.0 |
| Est Cost Emergency | 0.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 200.0 |
| Prpty | 753200.0 |
| Commercial Affected | 0.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 12.0 |
| Accident Psig | 48.0 |
| Normal Psig | 48.0 |
| Mop Psig | 60.0 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Scada In Place Ind | No |
| Accident Identifier | Notification From Emergency Responder |
| Investigation Status | No, the operator did not find that an investigation of the controller(s) actions or control room issues was necessary due to: (provide an explanation for why the operator did not investigate) |
| Investigation Status Details | There is no scada on this portion of the system |
| 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 |
| Public Row Ind | Yes |
| Public Subtype | City Street |
| Excavator Type | Contractor |
| Excavator Equipment | Grader/scraper |
| Work Performed | Road Work |
| One Call Notified Ind | Yes |
| One Call Ticket Num | 140210 |
| One Call Center Name | Usa North |
| Locator Type | Utility Owner |
| Visible Marks | Yes |
| Service Interruption | Yes |
| Service Interruption Hours | 12.0 |
| Root Cause Category | Excavation Issue |
| Root Cause Type | Improper Excavation Practice Not Listed Above |
| Preparer Name | C***** D**** |
| Preparer Title | Compliance Engineer |
| Preparer Email | C***@p**.com |
| Preparer Telephone | 925-974-4378 |
| Authorizer Name | F****** Y** |
| Authorizer Title | Regulatory Compliance And Support Director |
| Authorizer Telephone | 925-974-4316 |
| Authorizer Email | F***@p**.com |
| Narrative | On april 22, 2013 at approximately 0822 hours, pacific gas and electric (pg&e) was notified that a third party contractor was performing road pavement activities when the operator of a road grinder struck a 3-inch steel gas distribution main, causing a release of gas. The gas ignited and the road grinder caught fire resulting in over $50,000 of damage to the excavator's equipment. Pg&e arrived on scene at 0850 hours and stopped the flow of gas at 1111 hours by digging and isolating the steel main with pressure control fittings. The contractor held a valid USA ticket (#140210) for the area where the main was struck and the gas facilities were properly located and marked, but the contractor failed to hand dig, expose and protect the gas main prior to digging with mechanical equipment. There were no injuries and no fatalities as a result of this incident. Out of an abundance of caution, the fire department evacuated seven homes and 12 customers experienced gas service interruption. Gas service to all affected customers was restored by 2345 hours. This incident was reported to the cpuc and DOT because the cost of damages is above $50,000. |
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