Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2010-10-02 — CA
Operator
Pacific Gas & Electric Co
Cause
Notification Issue
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$47,000
Incident datetime
2010-10-02 13:35
Report number
Location
CA
Narrative
At approximately 13:15 hours on 10/2/10 a farmer ripping his field struck line 301b, a 12-inch steel gas transmission pipeline, which released gas to the atmosphere. The farmer did not call underground service alert (USA) prior to starting the field ripping, and therefore did not have a valid USA ticket. The location of the gas incident is approximately one mile east of cooper road and highway 183. Pg&e arrived on scene at 13:50 hours after hearing a 911 call on a scanner about this incident. The salinas fire department arrived shortly thereafter. Pg&e crews closed valves at two locations at approximately 18:55 hours and the pipe went flat and gas flow stopped at 19:40 hours. The gas crew replaced a three-foot section of the damaged pipe. This section of line 301b was repressurized and returned to service at 05:15 hours on 10/03/10. There were no fatalities or injuries and no major media present. Six customers lost service lost service as a result of this incident. This incident is reportable to the cpuc and DOT due total costs, including the loss of gas, exceed $50,000.
Detailed record list
Report Received Date
2010-10-29 00:00:00
Iyear
2010
Report Number
20100083
Supplemental Number
15106
Report Type
Supplemental 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
2010-10-02 13:15:00
Location Latitude
36.72304551
Location Longitude
-121.7114037
Nrc Rpt Num
955875
Nrc Rpt Datetime
2010-10-02 17:05:00
Commodity Released Type
Natural Gas
Unintentional Release
12000
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2010-10-02 18:55:00
Restart Datetime
2010-10-03 05:15:00
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Incident Identified Datetime
2010-10-02 13:35:00
On Site Datetime
2010-10-02 13:50:00
On Off Shore
Onshore
Onshore State Abbreviation
Ca
Onshore Postal Code
93901
Onshore City Name
Salinas
Onshore County Name
Monterey
Designated Location
Milepost
Designated Name
Mp 5.61
Pipe Fac Name
Line 301b
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
29
Crossing
No
Pipe Facility Type
Intrastate
System Part Involved
Onshore Pipeline, Including Valve Sites
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
12
Pipe Wall Thickness
0.281
Pipe Smys
35000
Pipe Specification
Gr. B Seamless
Pipe Seam Type
Seamless
Pipe Coating Type
Coal Tar
Installation Year
1952
Material Involved
Carbon Steel
Release Type
Mechanical Puncture
Puncture Axial
2.5
Puncture Circum
5
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
167
Heat Damage Ind
No
Non Heat Damage Ind
No
Hca Fatalities Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
42892
Est Cost Intentional Release
0
Est Cost Prop Damage
47000
Est Cost Emergency
620
Est Cost Other
0
Prpty
90512
Accident Psig
402
Mop Psig
408
Mop Cfr Section
Not On Omb-Approved Form When Submitted
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Length Segment Isolated
21650
Internal Inspection Ind
No
Unsuitable Mainline Ind
Yes
Operation Complications Ind
No
Pipeline Function
Transmission System
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
Yes
Scada Conf Ind
Yes
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
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
Scada detected pressure drop amd control room personnel notified local personnel. Local personnel became aware of incident by monitoring police scanner prior to receiving call from control room.
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
No
Notify Cga Dirt
Yes
Private Row Ind
Yes
Private Subtype
Private Easement
Pipeline Easement Row Ind
Yes
Excavator Type
Farmer
Excavator Equipment
Farm Equipment
Work Performed
Agriculture
One Call Notified Ind
No
Locator Type
Data Not Collected
Visible Marks
No
Service Interruption
Yes
Service Interruption Hours
10
Root Cause Category
Notification Issue
Root Cause Type
No Notification Made To The One-Call Center/811
Preparer Name
L******* B***
Preparer Title
Senior Gas Engineer
Preparer Email
L***@p**.com
Preparer Telephone
925-974-4084
Preparer Fax
925-974-4220
Authorizer Name
G*** C*****
Authorizer Title
Senior Director
Authorizer Telephone
925-974-4231
Authorizer Email
G***@p**.com
Narrative
At approximately 13:15 hours on 10/2/10 a farmer ripping his field struck line 301b, a 12-inch steel gas transmission pipeline, which released gas to the atmosphere. The farmer did not call underground service alert (USA) prior to starting the field ripping, and therefore did not have a valid USA ticket. The location of the gas incident is approximately one mile east of cooper road and highway 183. Pg&e arrived on scene at 13:50 hours after hearing a 911 call on a scanner about this incident. The salinas fire department arrived shortly thereafter. Pg&e crews closed valves at two locations at approximately 18:55 hours and the pipe went flat and gas flow stopped at 19:40 hours. The gas crew replaced a three-foot section of the damaged pipe. This section of line 301b was repressurized and returned to service at 05:15 hours on 10/03/10. There were no fatalities or injuries and no major media present. Six customers lost service lost service as a result of this incident. This incident is reportable to the cpuc and DOT due total costs, including the loss of gas, exceed $50,000.
| Report Received Date | 2010-10-29 00:00:00 |
|---|---|
| Iyear | 2010 |
| Report Number | 20100083 |
| Supplemental Number | 15106 |
| Report Type | Supplemental 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 | 2010-10-02 13:15:00 |
| Location Latitude | 36.72304551 Google Maps OpenStreetMap |
| Location Longitude | -121.7114037 Google Maps OpenStreetMap |
| Nrc Rpt Num | 955875 NRC Report How to search |
| Nrc Rpt Datetime | 2010-10-02 17:05:00 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 12000 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2010-10-02 18:55:00 |
| Restart Datetime | 2010-10-03 05:15:00 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Incident Identified Datetime | 2010-10-02 13:35:00 |
| On Site Datetime | 2010-10-02 13:50:00 |
| On Off Shore | Onshore |
| Onshore State Abbreviation | Ca |
| Onshore Postal Code | 93901 |
| Onshore City Name | Salinas |
| Onshore County Name | Monterey |
| Designated Location | Milepost |
| Designated Name | Mp 5.61 |
| Pipe Fac Name | Line 301b |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 29 |
| Crossing | No |
| Pipe Facility Type | Intrastate |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 12 |
| Pipe Wall Thickness | 0.281 |
| Pipe Smys | 35000 |
| Pipe Specification | Gr. B Seamless |
| Pipe Seam Type | Seamless |
| Pipe Coating Type | Coal Tar |
| Installation Year | 1952 |
| Material Involved | Carbon Steel |
| Release Type | Mechanical Puncture |
| Puncture Axial | 2.5 |
| Puncture Circum | 5 |
| Class Location Type | Class 1 Location |
| Could Be Hca | No |
| Pir Radius | 167 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Hca Fatalities Ind | No |
| Est Cost Oper Paid | 0 |
| Est Cost Unintentional Release | 42892 |
| Est Cost Intentional Release | 0 |
| Est Cost Prop Damage | 47000 |
| Est Cost Emergency | 620 |
| Est Cost Other | 0 |
| Prpty | 90512 |
| Accident Psig | 402 |
| Mop Psig | 408 |
| Mop Cfr Section | Not On Omb-Approved Form When Submitted View CFR 49 §192 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Pressure Restriction Ind | No |
| Upstream Valve Type Ind | Manual |
| Downstream Valve Type Ind | Manual |
| Length Segment Isolated | 21650 |
| Internal Inspection Ind | No |
| Unsuitable Mainline Ind | Yes |
| Operation Complications Ind | No |
| Pipeline Function | Transmission System |
| Scada In Place Ind | Yes |
| Scada Operating Ind | Yes |
| Scada Functional Ind | Yes |
| Scada Detection Ind | Yes |
| Scada Conf Ind | Yes |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Operator Employee |
| 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 | Scada detected pressure drop amd control room personnel notified local personnel. Local personnel became aware of incident by monitoring police scanner prior to receiving call from control room. |
| 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 | No |
| Notify Cga Dirt | Yes |
| Private Row Ind | Yes |
| Private Subtype | Private Easement |
| Pipeline Easement Row Ind | Yes |
| Excavator Type | Farmer |
| Excavator Equipment | Farm Equipment |
| Work Performed | Agriculture |
| One Call Notified Ind | No |
| Locator Type | Data Not Collected |
| Visible Marks | No |
| Service Interruption | Yes |
| Service Interruption Hours | 10 |
| Root Cause Category | Notification Issue |
| Root Cause Type | No Notification Made To The One-Call Center/811 |
| Preparer Name | L******* B*** |
| Preparer Title | Senior Gas Engineer |
| Preparer Email | L***@p**.com |
| Preparer Telephone | 925-974-4084 |
| Preparer Fax | 925-974-4220 |
| Authorizer Name | G*** C***** |
| Authorizer Title | Senior Director |
| Authorizer Telephone | 925-974-4231 |
| Authorizer Email | G***@p**.com |
| Narrative | At approximately 13:15 hours on 10/2/10 a farmer ripping his field struck line 301b, a 12-inch steel gas transmission pipeline, which released gas to the atmosphere. The farmer did not call underground service alert (USA) prior to starting the field ripping, and therefore did not have a valid USA ticket. The location of the gas incident is approximately one mile east of cooper road and highway 183. Pg&e arrived on scene at 13:50 hours after hearing a 911 call on a scanner about this incident. The salinas fire department arrived shortly thereafter. Pg&e crews closed valves at two locations at approximately 18:55 hours and the pipe went flat and gas flow stopped at 19:40 hours. The gas crew replaced a three-foot section of the damaged pipe. This section of line 301b was repressurized and returned to service at 05:15 hours on 10/03/10. There were no fatalities or injuries and no major media present. Six customers lost service lost service as a result of this incident. This incident is reportable to the cpuc and DOT due total costs, including the loss of gas, exceed $50,000. |
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