Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2019-04-03 — CA
Operator
Pacific Gas & Electric Co
Cause
Material Failure Of Pipe Or Weld
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$201,636
Incident datetime
2019-04-03 15:48
Report number
Location
CA
Narrative
On april 3, 2019 at 1548 hours, pg&e identified a grade 1 leak along dfm 0609-02 at 6434 florin rd, sacramento. Pg&e crews were onsite and finished making repairs to the leaks discovered on a save-a-valve and pcf on april 4, 2019 at 0414 hours. A leak survey was conducted following the repairs and found an additional leak on the weld of dfm 0609-02. On april 6, 2019, pg&e cut out the following: leaking miter elbow, pcf, save-a-valve, 6in elbow and installed a new 6in pcf and main. The apparent cause was determined as metallurgical failure of the miter weld, likely due a construction-related defect. There are no known injuries or fatalities. Customer impact is unknown. No police or fire department reported. On april 5, 2019, this incident was reported to DOT (1241929) and cpuc (190405-9141) due to media presence (fox news) and the expected repair costs being estimated at over $50k.
Detailed record list
Report Received Date
2019-05-03 00:00:00
Iyear
2019
Report Number
20190055
Supplemental Number
34303
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
2019-04-03 15:48:00
Time Zone
Pacific
Daylight Savings Ind
No
Location Latitude
38.495771
Location Longitude
-121.429526
Nrc Rpt Num
1241929
Nrc Rpt Datetime
2019-04-05 08:50:00
Commodity Released Type
Natural Gas
Unintentional Release
25.2
Intentional Release
23
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Status When Identified
Post-Maintenance/repair
Communication State Fed Ind
No
Ignite Ind
No
Upstream Action Taken
Valve Closure
Upstream Valve Close Datetime
2019-04-05 00:20:00
Downstream Action Taken
Valve Closure
Downstream Vlv Close Datetime
2019-04-05 00:20:00
Num Pub Evacuated
0
Incident Identified Datetime
2019-04-03 15:48:00
On Site Datetime
2019-04-03 15:48:00
On Off Shore
Onshore
Onshore State Abbreviation
Ca
Onshore Postal Code
95823
Onshore City Name
Sacramento
Onshore County Name
Sacramento
Designated Location
Milepost
Designated Name
2.45
Pipe Fac Name
Dfm 0609-02
Segment Name
35151 (Route Id)
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Pavement
Depth Of Cover
48
Other Underground Facilities
No
Crossing
No
Pipe Facility Type
Intrastate
System Part Involved
Onshore Pipeline, Including Valve Sites
Item Involved
Weld/fusion, Including Heat-Affected Zone
Pipe Diameter
6
Pipe Wall Thickness
0.188
Pipe Smys
30000
Pipe Specification
Api 5l X-42
Pipe Seam Type
Longitudinal Erw - Low Frequency
Pipe Manufacturer
Unknown
Pipe Coating Type
Asphalt
Coating Applied Ind
Yes
Weld Subtype
Pipe Girth Weld
Different Girth Weld Ind
No
Installation Year
1962
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Other
Leak Type Other
Construction Related Defect
Class Location Type
Class 3 Location
Could Be Hca
No
Pir Radius
56
Heat Damage Ind
No
Non Heat Damage Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
76
Est Cost Intentional Release
69
Est Cost Prop Damage
201636
Est Cost Emergency
0
Est Cost Other
0
Gas Cost In Mcf
3
Prpty
201781
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
130
Gas Flow In Pipe In Mcf
130
Mop Psig
150
Mop Cfr Section
192.619(A)(2)
Maop Established Date
1962-12-31 00:00:00
Maop Reversal Flow Ind
No
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Gas Required Odorized Ind
Yes
Gas Odorized Ind
Yes
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Length Segment Isolated
300
Internal Inspection Ind
No
Other Inspection Ind
Yes
Internal Inspection Details
Pipeline Is Not Currently Configured To Accommodate Traditional Ili Tools Due To The Low Pressure Of The Pipeline (150 Maop). It Is Categorized For A Future Non-Traditional Inspection And Will Be Evaluated At That Time For Any Tool Passage Constraints.
Operation Complications Ind
Yes
Low Op Pressure Ind
Yes
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
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
No system impact or alarms detected on scada
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Material Failure Of Pipe Or Weld
Cause Details
Original Manufacturing-Related (Not Girth Weld Or Other Welds Formed In The Field)
Pwjf Failure Type
Original Manufacturing-Related (Not Girth Weld Or Other Welds Formed In The Field)
Metallurgical Ind
Yes
Other Factor
Yes
Other Factor Details
Material/weld Failure
Pwf Additional Other Ind
Yes
Additional Other Details
Material/weld Failure
Post Constr Pressure Test Val
Unknown
Collected Data Ind
No
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
E*** B******
Preparer Title
Regulatory Compliance
Preparer Email
E***@p**.com
Authorizer Name
S**** R*******
Authorizer Title
Manager - Regulatory Compliance
Authorizer Telephone
925-328-5776
Authorizer Email
S*************@p**.com
Narrative
On april 3, 2019 at 1548 hours, pg&e identified a grade 1 leak along dfm 0609-02 at 6434 florin rd, sacramento. Pg&e crews were onsite and finished making repairs to the leaks discovered on a save-a-valve and pcf on april 4, 2019 at 0414 hours. A leak survey was conducted following the repairs and found an additional leak on the weld of dfm 0609-02. On april 6, 2019, pg&e cut out the following: leaking miter elbow, pcf, save-a-valve, 6in elbow and installed a new 6in pcf and main. The apparent cause was determined as metallurgical failure of the miter weld, likely due a construction-related defect. There are no known injuries or fatalities. Customer impact is unknown. No police or fire department reported. On april 5, 2019, this incident was reported to DOT (1241929) and cpuc (190405-9141) due to media presence (fox news) and the expected repair costs being estimated at over $50k.
| Report Received Date | 2019-05-03 00:00:00 |
|---|---|
| Iyear | 2019 |
| Report Number | 20190055 |
| Supplemental Number | 34303 |
| 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 | 2019-04-03 15:48:00 |
| Time Zone | Pacific |
| Daylight Savings Ind | No |
| Location Latitude | 38.495771 Google Maps OpenStreetMap |
| Location Longitude | -121.429526 Google Maps OpenStreetMap |
| Nrc Rpt Num | 1241929 NRC Report How to search |
| Nrc Rpt Datetime | 2019-04-05 08:50:00 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 25.2 |
| Intentional Release | 23 |
| Accompanying Liquid | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Status When Identified | Post-Maintenance/repair |
| Communication State Fed Ind | No |
| Ignite Ind | No |
| Upstream Action Taken | Valve Closure |
| Upstream Valve Close Datetime | 2019-04-05 00:20:00 |
| Downstream Action Taken | Valve Closure |
| Downstream Vlv Close Datetime | 2019-04-05 00:20:00 |
| Num Pub Evacuated | 0 |
| Incident Identified Datetime | 2019-04-03 15:48:00 |
| On Site Datetime | 2019-04-03 15:48:00 |
| On Off Shore | Onshore |
| Onshore State Abbreviation | Ca |
| Onshore Postal Code | 95823 |
| Onshore City Name | Sacramento |
| Onshore County Name | Sacramento |
| Designated Location | Milepost |
| Designated Name | 2.45 |
| Pipe Fac Name | Dfm 0609-02 |
| Segment Name | 35151 (Route Id) |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Pavement |
| Depth Of Cover | 48 |
| Other Underground Facilities | No |
| Crossing | No |
| Pipe Facility Type | Intrastate |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| Item Involved | Weld/fusion, Including Heat-Affected Zone |
| Pipe Diameter | 6 |
| Pipe Wall Thickness | 0.188 |
| Pipe Smys | 30000 |
| Pipe Specification | Api 5l X-42 |
| Pipe Seam Type | Longitudinal Erw - Low Frequency |
| Pipe Manufacturer | Unknown |
| Pipe Coating Type | Asphalt |
| Coating Applied Ind | Yes |
| Weld Subtype | Pipe Girth Weld |
| Different Girth Weld Ind | No |
| Installation Year | 1962 |
| Manufactured Year | Unknown |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Other |
| Leak Type Other | Construction Related Defect |
| Class Location Type | Class 3 Location |
| Could Be Hca | No |
| Pir Radius | 56 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Est Cost Oper Paid | 0 |
| Est Cost Unintentional Release | 76 |
| Est Cost Intentional Release | 69 |
| Est Cost Prop Damage | 201636 |
| Est Cost Emergency | 0 |
| Est Cost Other | 0 |
| Gas Cost In Mcf | 3 |
| Prpty | 201781 |
| 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 | 130 |
| Gas Flow In Pipe In Mcf | 130 |
| Mop Psig | 150 |
| Mop Cfr Section | 192.619(A)(2) View CFR 49 §192 |
| Maop Established Date | 1962-12-31 00:00:00 |
| Maop Reversal Flow Ind | No |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Pressure Restriction Ind | No |
| Gas Required Odorized Ind | Yes |
| Gas Odorized Ind | Yes |
| Upstream Valve Type Ind | Manual |
| Downstream Valve Type Ind | Manual |
| Length Segment Isolated | 300 |
| Internal Inspection Ind | No |
| Other Inspection Ind | Yes |
| Internal Inspection Details | Pipeline Is Not Currently Configured To Accommodate Traditional Ili Tools Due To The Low Pressure Of The Pipeline (150 Maop). It Is Categorized For A Future Non-Traditional Inspection And Will Be Evaluated At That Time For Any Tool Passage Constraints. |
| Operation Complications Ind | Yes |
| Low Op Pressure Ind | Yes |
| 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 | 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 | No system impact or alarms detected on scada |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Material Failure Of Pipe Or Weld |
| Cause Details | Original Manufacturing-Related (Not Girth Weld Or Other Welds Formed In The Field) |
| Pwjf Failure Type | Original Manufacturing-Related (Not Girth Weld Or Other Welds Formed In The Field) |
| Metallurgical Ind | Yes |
| Other Factor | Yes |
| Other Factor Details | Material/weld Failure |
| Pwf Additional Other Ind | Yes |
| Additional Other Details | Material/weld Failure |
| Post Constr Pressure Test Val | Unknown |
| Collected Data Ind | No |
| Has Hydrtst Conduc Before Ind | No |
| Direct Asmnt Conducted | No |
| Non Destructive Exam Ind | No |
| Preparer Name | E*** B****** |
| Preparer Title | Regulatory Compliance |
| Preparer Email | E***@p**.com |
| Authorizer Name | S**** R******* |
| Authorizer Title | Manager - Regulatory Compliance |
| Authorizer Telephone | 925-328-5776 |
| Authorizer Email | S*************@p**.com |
| Narrative | On april 3, 2019 at 1548 hours, pg&e identified a grade 1 leak along dfm 0609-02 at 6434 florin rd, sacramento. Pg&e crews were onsite and finished making repairs to the leaks discovered on a save-a-valve and pcf on april 4, 2019 at 0414 hours. A leak survey was conducted following the repairs and found an additional leak on the weld of dfm 0609-02. On april 6, 2019, pg&e cut out the following: leaking miter elbow, pcf, save-a-valve, 6in elbow and installed a new 6in pcf and main. The apparent cause was determined as metallurgical failure of the miter weld, likely due a construction-related defect. There are no known injuries or fatalities. Customer impact is unknown. No police or fire department reported. On april 5, 2019, this incident was reported to DOT (1241929) and cpuc (190405-9141) due to media presence (fox news) and the expected repair costs being estimated at over $50k. |
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