Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2014-05-29 — CA
Operator
Pacific Gas & Electric Co
Cause
Excavation Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$67,203
Incident datetime
2014-05-29 11:05
Report number
Location
CA, SANTA CLARA
Narrative
On may 29, 2014 at approximately 1105 hours, pacific gas and electric (pg&e) was notified that a third party contractor, aiken underground, struck a 4-inch plastic gas distribution main with a backhoe while digging to install a utility line. The contractor held a valid USA ticket (#0189976) 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 while excavating. The flow of gas was stopped at 1429 hours by digging and squeezing in two locations: one was on the 4-inch plastic main and the other was on a connected 6-inch steel main. Eight residential customers experienced gas service interruption. Service was restored at approximately 1115 hours on may 30, 2014. There were no injuries, fatalities, or ignition as a result of this incident and the release of gas is estimated to be less than 3 mmcf. This was reported to the cpuc due to the presence of major bay area news media on scene at 1230 hours. Pg&e recently determined that damages relating to this incident exceed $50,000. The higher than average costs were due to a number of factors including the location of the damage and the size and type mains involved. Pg&e notified the national response center on july 31, 2014.
Detailed record list
Occurred At
2014-05-29 11:05:00
Year
2014
Report Received Date
2014-08-08 00:00:00
Iyear
2014.0
Report Number
20140064.0
Supplemental Number
15905.0
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
2014-05-29 11:05:00
Location Street Address
Ruby Ave. & Tully Rd.
Location City Name
San Jose
Location County Name
Santa Clara
Location State Abbreviation
CA
Location Postal Code
95148
Location Latitude
37.338551
Location Longitude
-121.786256
Nrc Rpt Datetime
2014-07-31 17:46:00
Nrc Rpt Num
1090885
Commodity Released Type
Natural Gas
Unintentional Release
67.5
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Explode Ind
No
Incident Identified Datetime
2014-05-29 11:05:00
On Site Datetime
2014-05-29 11:29:00
Federal
No
Location Type
Public Property
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Depth Of Cover
28.0
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Installation Year
1986.0
Pipe Diameter
4.0
Pipe Specification
Tr418
Pipe Manufacturer
Unknown
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Plastic Sdr
13.5
Material Pe Pipe Code
2406
Release Type
Mechanical Puncture
Puncture Axial
0.5
Puncture Circum
0.5
Class Location Type
Class 3 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
67203.0
Est Cost Emergency
0.0
Est Cost Other
0.0
Est Cost Unintentional Release
364.0
Prpty
67567.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
8.0
Accident Psig
55.0
Normal Psig
55.0
Mop Psig
60.0
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
Yes
Public Row Ind
Yes
Public Subtype
City Street
Excavator Type
Contractor
Excavator Equipment
Backhoe/trackhoe
Work Performed
Unknown/other
One Call Notified Ind
Yes
One Call Ticket Num
189976
One Call Center Name
Usa North 811
Locator Type
Utility Owner
Visible Marks
Yes
Service Interruption
Yes
Service Interruption Hours
168.0
Root Cause Category
Excavation Issue
Root Cause Type
Improper Excavation Practice Not Listed Above
Preparer Name
W*** C***
Preparer Title
Program Manager
Preparer Email
W***@p**.com
Preparer Telephone
925-328-5798
Authorizer Name
C********* M****
Authorizer Title
Senior Manager Regulatory And Field Compliance
Authorizer Telephone
925-328-5795
Authorizer Email
C***@p**.com
Narrative
On may 29, 2014 at approximately 1105 hours, pacific gas and electric (pg&e) was notified that a third party contractor, aiken underground, struck a 4-inch plastic gas distribution main with a backhoe while digging to install a utility line. The contractor held a valid USA ticket (#0189976) 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 while excavating. The flow of gas was stopped at 1429 hours by digging and squeezing in two locations: one was on the 4-inch plastic main and the other was on a connected 6-inch steel main. Eight residential customers experienced gas service interruption. Service was restored at approximately 1115 hours on may 30, 2014. There were no injuries, fatalities, or ignition as a result of this incident and the release of gas is estimated to be less than 3 mmcf. This was reported to the cpuc due to the presence of major bay area news media on scene at 1230 hours. Pg&e recently determined that damages relating to this incident exceed $50,000. The higher than average costs were due to a number of factors including the location of the damage and the size and type mains involved. Pg&e notified the national response center on july 31, 2014.
| Occurred At | 2014-05-29 11:05:00 |
|---|---|
| Year | 2014 |
| Report Received Date | 2014-08-08 00:00:00 |
| Iyear | 2014.0 |
| Report Number | 20140064.0 |
| Supplemental Number | 15905.0 |
| 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 | 2014-05-29 11:05:00 |
| Location Street Address | Ruby Ave. & Tully Rd. |
| Location City Name | San Jose |
| Location County Name | Santa Clara |
| Location State Abbreviation | CA |
| Location Postal Code | 95148 |
| Location Latitude | 37.338551 Google Maps OpenStreetMap |
| Location Longitude | -121.786256 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2014-07-31 17:46:00 |
| Nrc Rpt Num | 1090885 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 67.5 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Explode Ind | No |
| Incident Identified Datetime | 2014-05-29 11:05:00 |
| On Site Datetime | 2014-05-29 11:29:00 |
| Federal | No |
| Location Type | Public Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Exposed Due To Excavation |
| Depth Of Cover | 28.0 |
| Crossing | No |
| Pipe Facility Type | Privately Owned |
| System Part Involved | Main |
| Installation Year | 1986.0 |
| Pipe Diameter | 4.0 |
| Pipe Specification | Tr418 |
| Pipe Manufacturer | Unknown |
| Material Involved | Plastic |
| Plastic Type | Polyethylene (Pe) |
| Plastic Sdr | 13.5 |
| Material Pe Pipe Code | 2406 |
| Release Type | Mechanical Puncture |
| Puncture Axial | 0.5 |
| Puncture Circum | 0.5 |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 67203.0 |
| Est Cost Emergency | 0.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 364.0 |
| Prpty | 67567.0 |
| Commercial Affected | 0.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 8.0 |
| Accident Psig | 55.0 |
| Normal Psig | 55.0 |
| Mop Psig | 60.0 |
| 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 | Yes |
| Public Row Ind | Yes |
| Public Subtype | City Street |
| Excavator Type | Contractor |
| Excavator Equipment | Backhoe/trackhoe |
| Work Performed | Unknown/other |
| One Call Notified Ind | Yes |
| One Call Ticket Num | 189976 |
| One Call Center Name | Usa North 811 |
| Locator Type | Utility Owner |
| Visible Marks | Yes |
| Service Interruption | Yes |
| Service Interruption Hours | 168.0 |
| Root Cause Category | Excavation Issue |
| Root Cause Type | Improper Excavation Practice Not Listed Above |
| Preparer Name | W*** C*** |
| Preparer Title | Program Manager |
| Preparer Email | W***@p**.com |
| Preparer Telephone | 925-328-5798 |
| Authorizer Name | C********* M**** |
| Authorizer Title | Senior Manager Regulatory And Field Compliance |
| Authorizer Telephone | 925-328-5795 |
| Authorizer Email | C***@p**.com |
| Narrative | On may 29, 2014 at approximately 1105 hours, pacific gas and electric (pg&e) was notified that a third party contractor, aiken underground, struck a 4-inch plastic gas distribution main with a backhoe while digging to install a utility line. The contractor held a valid USA ticket (#0189976) 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 while excavating. The flow of gas was stopped at 1429 hours by digging and squeezing in two locations: one was on the 4-inch plastic main and the other was on a connected 6-inch steel main. Eight residential customers experienced gas service interruption. Service was restored at approximately 1115 hours on may 30, 2014. There were no injuries, fatalities, or ignition as a result of this incident and the release of gas is estimated to be less than 3 mmcf. This was reported to the cpuc due to the presence of major bay area news media on scene at 1230 hours. Pg&e recently determined that damages relating to this incident exceed $50,000. The higher than average costs were due to a number of factors including the location of the damage and the size and type mains involved. Pg&e notified the national response center on july 31, 2014. |
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