Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2024-09-13 — CA
Operator
Pacific Gas & Electric Co
Cause
Notification Issue
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$2,900,000
Incident datetime
2024-09-13 00:00 UTC
Report number
Location
CA
Narrative
On thursday, august 15, 2024, at approximately 1:23 p.M. Pg&e was informed by the local fire department that pg&e transmission pipeline, l-301f, was struck near 50 espinosa road in castroville, ca. While plowing the field, the line was hit by farm equipment and punctured the pipeline resulting in an unintentional release of gas. The excavator did not obtain a USA ticket for their current farming excavation activity that resulted in this incident. A USA ticket (2024050700416) was previously obtained on 5/7/24. That ticket had a legal excavation start date of 5/10/2024 and expired on 6/4/24 with no request for renewal or extension. The damaged pg&e pipeline was within the delineated area of the expired USA ticket. During the incident investigation, the excavator said the pg&e USA gas flags for the USA ticket were no longer visible prior to this incident due to prepping the field for harvesting. Investigation activities included a field walk through. The pg&e dirt investigator looked for any remnants of pge USA gas flag markers but only observed one pg&e USA gas flag located near the pg&e gas paddle marker east of the damage site area. The fire department and ca highway patrol were onsite. No fatalities or injuries were reported. At approximately 20:00 pg&e incident on-call personnel determined that the unintended gas loss was over three million cubic feet and reported to DOT and cpuc.
Detailed record list
Report Received Date
2024-09-13 00:00:00
Iyear
2024
Report Number
20240107
Supplemental Number
41101
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
Time Zone
Pacific
Daylight Savings Ind
Yes
Location Latitude
36.74131862
Location Longitude
-121.7332793
Nrc Rpt Num
1408090
Additional Nrc Report Numbers
1408302
Commodity Released Type
Natural Gas
Unintentional Release
38970
Intentional Release
418
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Status When Identified
Normal Operation, Includes Pauses During Maintenance
Shutdown Due Accident Ind
No
Shutdown Explain
Pipe Section Affected Was Isolated And Was Not Shut Down.
Ignite Ind
No
Upstream Action Taken
Operational Control
Upstream Oprtnl Cntrl Detail
Excavation Took Place To Squeeze Pipe.
Downstream Action Taken
Operational Control
Downstream Oprtnl Cntrl Detail
Excavation Took Place To Squeeze Pipe.
Num Pub Evacuated
0
On Off Shore
Onshore
Onshore State Abbreviation
Ca
Onshore Postal Code
93907
Onshore City Name
Castroville
Onshore County Name
Monterey
Designated Location
Milepost
Designated Name
0.2661
Pipe Fac Name
L-301f
Segment Name
Pfl 25/segment 101
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
20
Other Underground Facilities
No
Crossing
No
Pipe Facility Type
Intrastate
System Part Involved
Onshore Pipeline, Including Valve Sites
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
16
Puddle Weld Ind
No
Pipe Wall Thickness
0.25
Pipe Smys
33000
Pipe Specification
Unknown
Pipe Seam Type
Other
Pipe Seam Details
Smaw
Pipe Manufacturer
A.o.smith Corp.
Pipe Coating Type
Asphalt
Coating Applied Ind
Yes
Installation Year
1966
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Mechanical Puncture
Puncture Axial
2.5
Puncture Circum
4.5
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
730
Heat Damage Ind
No
Non Heat Damage Ind
No
Did Occur In Mca Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
233820
Est Cost Intentional Release
2508
Est Cost Prop Damage
2900000
Est Cost Emergency
261000
Est Cost Other
0
Gas Cost In Mcf
6
Prpty
3397328
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Wildlife Impact Ind
No
Accident Psig
370
Gas Flow In Pipe In Mcf
36539
Mop Psig
408
Mop Cfr Section
192.619(A)(1)
Maop Established Date
1989-01-01 00:00:00
Maop Reversal Flow Ind
No
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Gas Required Odorized Ind
No
Gas Odorized Ind
Yes
Length Segment Isolated
1200
Internal Inspection 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
No
Scada Conf 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
Dig-in 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
State Law Exempt Ind
No
Notify Cga Dirt
No
Private Row Ind
Yes
Private Subtype
Private Business
Joint Trench Ind
No
Cross Bore Ind
No
Depth Of Grade
18� � 36�
Excavator Type
Farmer
Excavator Equipment
Farm Equipment
Work Performed
Agriculture
One Call Notified Ind
Yes
One Call Ticket Num
2.02405e+12
One Call Center Name
Usa North, 811
White Lined Ind
No
Locator Type
Facility Owner
Visible Marks
No
Service Interruption
Yes
Service Interruption Hours
7
Root Cause Category
Notification Issue
Root Cause Type
Excavator Dug After Valid Ticket Expired
Preparer Name
R*** D*****
Preparer Title
Program Manager
Preparer Email
R**********@p**.com
Preparer Telephone
510/298-7063
Authorizer Name
F****** Y**
Authorizer Title
Sr. Manager Gas Regulatory Compliance
Authorizer Telephone
925-200-4736
Authorizer Email
F**********@p**.com
Narrative
On thursday, august 15, 2024, at approximately 1:23 p.M. Pg&e was informed by the local fire department that pg&e transmission pipeline, l-301f, was struck near 50 espinosa road in castroville, ca. While plowing the field, the line was hit by farm equipment and punctured the pipeline resulting in an unintentional release of gas. The excavator did not obtain a USA ticket for their current farming excavation activity that resulted in this incident. A USA ticket (2024050700416) was previously obtained on 5/7/24. That ticket had a legal excavation start date of 5/10/2024 and expired on 6/4/24 with no request for renewal or extension. The damaged pg&e pipeline was within the delineated area of the expired USA ticket. During the incident investigation, the excavator said the pg&e USA gas flags for the USA ticket were no longer visible prior to this incident due to prepping the field for harvesting. Investigation activities included a field walk through. The pg&e dirt investigator looked for any remnants of pge USA gas flag markers but only observed one pg&e USA gas flag located near the pg&e gas paddle marker east of the damage site area. The fire department and ca highway patrol were onsite. No fatalities or injuries were reported. At approximately 20:00 pg&e incident on-call personnel determined that the unintended gas loss was over three million cubic feet and reported to DOT and cpuc.
| Report Received Date | 2024-09-13 00:00:00 |
|---|---|
| Iyear | 2024 |
| Report Number | 20240107 |
| Supplemental Number | 41101 |
| 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 |
| Time Zone | Pacific |
| Daylight Savings Ind | Yes |
| Location Latitude | 36.74131862 Google Maps OpenStreetMap |
| Location Longitude | -121.7332793 Google Maps OpenStreetMap |
| Nrc Rpt Num | 1408090 NRC Report How to search |
| Additional Nrc Report Numbers | 1408302 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 38970 |
| Intentional Release | 418 |
| Accompanying Liquid | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Status When Identified | Normal Operation, Includes Pauses During Maintenance |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | Pipe Section Affected Was Isolated And Was Not Shut Down. |
| Ignite Ind | No |
| Upstream Action Taken | Operational Control |
| Upstream Oprtnl Cntrl Detail | Excavation Took Place To Squeeze Pipe. |
| Downstream Action Taken | Operational Control |
| Downstream Oprtnl Cntrl Detail | Excavation Took Place To Squeeze Pipe. |
| Num Pub Evacuated | 0 |
| On Off Shore | Onshore |
| Onshore State Abbreviation | Ca |
| Onshore Postal Code | 93907 |
| Onshore City Name | Castroville |
| Onshore County Name | Monterey |
| Designated Location | Milepost |
| Designated Name | 0.2661 |
| Pipe Fac Name | L-301f |
| Segment Name | Pfl 25/segment 101 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 20 |
| Other Underground Facilities | No |
| Crossing | No |
| Pipe Facility Type | Intrastate |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 16 |
| Puddle Weld Ind | No |
| Pipe Wall Thickness | 0.25 |
| Pipe Smys | 33000 |
| Pipe Specification | Unknown |
| Pipe Seam Type | Other |
| Pipe Seam Details | Smaw |
| Pipe Manufacturer | A.o.smith Corp. |
| Pipe Coating Type | Asphalt |
| Coating Applied Ind | Yes |
| Installation Year | 1966 |
| Manufactured Year | Unknown |
| Material Involved | Carbon Steel |
| Release Type | Mechanical Puncture |
| Puncture Axial | 2.5 |
| Puncture Circum | 4.5 |
| Class Location Type | Class 1 Location |
| Could Be Hca | No |
| Pir Radius | 730 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Did Occur In Mca Ind | No |
| Est Cost Oper Paid | 0 |
| Est Cost Unintentional Release | 233820 |
| Est Cost Intentional Release | 2508 |
| Est Cost Prop Damage | 2900000 |
| Est Cost Emergency | 261000 |
| Est Cost Other | 0 |
| Gas Cost In Mcf | 6 |
| Prpty | 3397328 |
| Num Persons Hosp Not Ovnght | 0 |
| Num Injured Treated By Emt | 0 |
| Num Resident Building Affctd | 0 |
| Num Business Building Affctd | 0 |
| Wildlife Impact Ind | No |
| Accident Psig | 370 |
| Gas Flow In Pipe In Mcf | 36539 |
| Mop Psig | 408 |
| Mop Cfr Section | 192.619(A)(1) View CFR 49 §192 |
| Maop Established Date | 1989-01-01 00:00:00 |
| Maop Reversal Flow Ind | No |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Pressure Restriction Ind | No |
| Gas Required Odorized Ind | No |
| Gas Odorized Ind | Yes |
| Length Segment Isolated | 1200 |
| Internal Inspection 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 | No |
| Scada Conf 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 | Dig-in 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 |
| State Law Exempt Ind | No |
| Notify Cga Dirt | No |
| Private Row Ind | Yes |
| Private Subtype | Private Business |
| Joint Trench Ind | No |
| Cross Bore Ind | No |
| Depth Of Grade | 18� � 36� |
| Excavator Type | Farmer |
| Excavator Equipment | Farm Equipment |
| Work Performed | Agriculture |
| One Call Notified Ind | Yes |
| One Call Ticket Num | 2.02405e+12 |
| One Call Center Name | Usa North, 811 |
| White Lined Ind | No |
| Locator Type | Facility Owner |
| Visible Marks | No |
| Service Interruption | Yes |
| Service Interruption Hours | 7 |
| Root Cause Category | Notification Issue |
| Root Cause Type | Excavator Dug After Valid Ticket Expired |
| Preparer Name | R*** D***** |
| Preparer Title | Program Manager |
| Preparer Email | R**********@p**.com |
| Preparer Telephone | 510/298-7063 |
| Authorizer Name | F****** Y** |
| Authorizer Title | Sr. Manager Gas Regulatory Compliance |
| Authorizer Telephone | 925-200-4736 |
| Authorizer Email | F**********@p**.com |
| Narrative | On thursday, august 15, 2024, at approximately 1:23 p.M. Pg&e was informed by the local fire department that pg&e transmission pipeline, l-301f, was struck near 50 espinosa road in castroville, ca. While plowing the field, the line was hit by farm equipment and punctured the pipeline resulting in an unintentional release of gas. The excavator did not obtain a USA ticket for their current farming excavation activity that resulted in this incident. A USA ticket (2024050700416) was previously obtained on 5/7/24. That ticket had a legal excavation start date of 5/10/2024 and expired on 6/4/24 with no request for renewal or extension. The damaged pg&e pipeline was within the delineated area of the expired USA ticket. During the incident investigation, the excavator said the pg&e USA gas flags for the USA ticket were no longer visible prior to this incident due to prepping the field for harvesting. Investigation activities included a field walk through. The pg&e dirt investigator looked for any remnants of pge USA gas flag markers but only observed one pg&e USA gas flag located near the pg&e gas paddle marker east of the damage site area. The fire department and ca highway patrol were onsite. No fatalities or injuries were reported. At approximately 20:00 pg&e incident on-call personnel determined that the unintended gas loss was over three million cubic feet and reported to DOT and cpuc. |
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