Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2011-09-09 — CA
Operator
Pacific Gas & Electric Co
Cause
Notification Issue
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$55,000
Incident datetime
2011-09-09 11:25
Report number
Location
CA
Narrative
On september 9, 2011 at approximately 1119 hours a farmer, mkm farms, ripping an agriculture field struck line 103, a 12-inch steel transmission pipeline, at mile point 19.15 resulting in a release of gas. Pg&e was notified at 11:25, and was on scene at 1156 hours. Pg&e closed mainline valves at 13:55 and the isolated pipeline section was depressurized at 1633 hours. Service was interrupted to 39 customers as a result of this dig-in. Repairs were completed at 0300 hours on 9/10/11 and final service restoration was completed at 1330 hours on september 10, 2011. The farmer did not call USA but was aware of the location of the pipeline. Pipeline markers were visible at the site of the dig-in, and the farmer had made a line in the field from pipeline marker to marker prior to the start of ripping the field. There was no ignition, injuries or fatalities as a result of this incident. Damages exceed $50,000 making this incident reportable to the cpuc and DOT.
Detailed record list
Report Received Date
2011-10-07 00:00:00
Iyear
2011
Report Number
20110374
Supplemental Number
15349
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
2011-09-09 11:19:00
Location Latitude
36.735076
Location Longitude
-121.612265
Nrc Rpt Num
989053
Nrc Rpt Datetime
2011-09-09 13:20:00
Commodity Released Type
Natural Gas
Unintentional Release
1500
Intentional Release
1500
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2011-09-09 13:55:00
Restart Datetime
2011-09-10 03:00:00
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Incident Identified Datetime
2011-09-09 11:25:00
On Site Datetime
2011-09-09 11:56:00
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
19.15
Pipe Fac Name
Line 103
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
20
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
0.25
Pipe Smys
33000
Pipe Seam Type
Single Saw
Pipe Coating Type
Asphalt
Installation Year
1930
Manufactured Year
1930
Material Involved
Carbon Steel
Release Type
Mechanical Puncture
Puncture Axial
1
Puncture Circum
2
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
155
Heat Damage Ind
No
Non Heat Damage Ind
No
Hca Fatalities Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
0
Est Cost Intentional Release
0
Est Cost Prop Damage
55000
Est Cost Emergency
5000
Est Cost Other
0
Prpty
60000
Accident Psig
323
Mop Psig
350
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
1850
Internal Inspection Ind
No
Unsuitable Mainline Ind
Yes
Other Restrictions 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
Notification From Third Party That Caused The Incident
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
The incident was caused by a dig-in; there were no issues with the control room actions.
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
No
Private Row Ind
Yes
Private Subtype
Private Business
Excavator Type
Farmer
Excavator Equipment
Farm Equipment
Work Performed
Agriculture
One Call Notified Ind
No
Locator Type
Data Not Collected
Visible Marks
Yes
Service Interruption
Yes
Service Interruption Hours
24
Root Cause Category
Notification Issue
Root Cause Type
No Notification Made To The One-Call Center/811
Preparer Name
L******* D*******
Preparer Title
Sr. Program Manager
Preparer Email
L***@p**.com
Preparer Telephone
925 974 4313
Authorizer Name
J** P*********
Authorizer Title
Principal Portfolio Manager
Authorizer Telephone
925 974 4257
Authorizer Email
No Email Address
Narrative
On september 9, 2011 at approximately 1119 hours a farmer, mkm farms, ripping an agriculture field struck line 103, a 12-inch steel transmission pipeline, at mile point 19.15 resulting in a release of gas. Pg&e was notified at 11:25, and was on scene at 1156 hours. Pg&e closed mainline valves at 13:55 and the isolated pipeline section was depressurized at 1633 hours. Service was interrupted to 39 customers as a result of this dig-in. Repairs were completed at 0300 hours on 9/10/11 and final service restoration was completed at 1330 hours on september 10, 2011. The farmer did not call USA but was aware of the location of the pipeline. Pipeline markers were visible at the site of the dig-in, and the farmer had made a line in the field from pipeline marker to marker prior to the start of ripping the field. There was no ignition, injuries or fatalities as a result of this incident. Damages exceed $50,000 making this incident reportable to the cpuc and DOT.
| Report Received Date | 2011-10-07 00:00:00 |
|---|---|
| Iyear | 2011 |
| Report Number | 20110374 |
| Supplemental Number | 15349 |
| 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 | 2011-09-09 11:19:00 |
| Location Latitude | 36.735076 Google Maps OpenStreetMap |
| Location Longitude | -121.612265 Google Maps OpenStreetMap |
| Nrc Rpt Num | 989053 NRC Report How to search |
| Nrc Rpt Datetime | 2011-09-09 13:20:00 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 1500 |
| Intentional Release | 1500 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2011-09-09 13:55:00 |
| Restart Datetime | 2011-09-10 03:00:00 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Incident Identified Datetime | 2011-09-09 11:25:00 |
| On Site Datetime | 2011-09-09 11:56:00 |
| 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 | 19.15 |
| Pipe Fac Name | Line 103 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 20 |
| 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 | 0.25 |
| Pipe Smys | 33000 |
| Pipe Seam Type | Single Saw |
| Pipe Coating Type | Asphalt |
| Installation Year | 1930 |
| Manufactured Year | 1930 |
| Material Involved | Carbon Steel |
| Release Type | Mechanical Puncture |
| Puncture Axial | 1 |
| Puncture Circum | 2 |
| Class Location Type | Class 1 Location |
| Could Be Hca | No |
| Pir Radius | 155 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Hca Fatalities Ind | No |
| Est Cost Oper Paid | 0 |
| Est Cost Unintentional Release | 0 |
| Est Cost Intentional Release | 0 |
| Est Cost Prop Damage | 55000 |
| Est Cost Emergency | 5000 |
| Est Cost Other | 0 |
| Prpty | 60000 |
| Accident Psig | 323 |
| Mop Psig | 350 |
| 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 | 1850 |
| Internal Inspection Ind | No |
| Unsuitable Mainline Ind | Yes |
| Other Restrictions 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 | Notification From Third Party That Caused The Incident |
| 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 | The incident was caused by a dig-in; there were no issues with the control room actions. |
| 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 | No |
| Private Row Ind | Yes |
| Private Subtype | Private Business |
| Excavator Type | Farmer |
| Excavator Equipment | Farm Equipment |
| Work Performed | Agriculture |
| One Call Notified Ind | No |
| Locator Type | Data Not Collected |
| Visible Marks | Yes |
| Service Interruption | Yes |
| Service Interruption Hours | 24 |
| Root Cause Category | Notification Issue |
| Root Cause Type | No Notification Made To The One-Call Center/811 |
| Preparer Name | L******* D******* |
| Preparer Title | Sr. Program Manager |
| Preparer Email | L***@p**.com |
| Preparer Telephone | 925 974 4313 |
| Authorizer Name | J** P********* |
| Authorizer Title | Principal Portfolio Manager |
| Authorizer Telephone | 925 974 4257 |
| Authorizer Email | No Email Address |
| Narrative | On september 9, 2011 at approximately 1119 hours a farmer, mkm farms, ripping an agriculture field struck line 103, a 12-inch steel transmission pipeline, at mile point 19.15 resulting in a release of gas. Pg&e was notified at 11:25, and was on scene at 1156 hours. Pg&e closed mainline valves at 13:55 and the isolated pipeline section was depressurized at 1633 hours. Service was interrupted to 39 customers as a result of this dig-in. Repairs were completed at 0300 hours on 9/10/11 and final service restoration was completed at 1330 hours on september 10, 2011. The farmer did not call USA but was aware of the location of the pipeline. Pipeline markers were visible at the site of the dig-in, and the farmer had made a line in the field from pipeline marker to marker prior to the start of ripping the field. There was no ignition, injuries or fatalities as a result of this incident. Damages exceed $50,000 making this incident reportable to the cpuc and DOT. |
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