HL incident on 2023-09-27 — GA

Operator
Colonial Pipeline Co
Cause
Equipment Failure
Commodity
Refined And/or Petroleum Product (Non-Hvl) Which Is A Liquid At Ambient Conditions
Program
HL
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$160,000
Incident datetime
2023-09-27 00:00 UTC
Report number
Location
GA
Narrative
On august 28, 2023, a colonial employee was conduction a routine station check at oxford station in oxford, alabama. The employee observed product on the ground coming from line 02 unit 3 check valve. The outboard side of the valve was confirmed to be the source of the release. The repairs were completed on 08/29/2023 and the facility was returned to normal operations. The cause of the release is still under investigation. Update: an accident investigation determined the failure of the set screw and spring caused shaft misalignment and packing failure.
Detailed record list
Report Received Date
2023-09-27 00:00:00
Iyear
2023
Report Number
20230230
Supplemental Number
38838
Report Type
Supplemental Final
Operator Id
Name
Colonial Pipeline Co
Operator Street Address
1000 Lake St.
Operator City Name
Alpharetta
Operator State Abbreviation
GA
Operator Postal Code
30009
Time Zone
Central
Daylight Savings Ind
Yes
Location Latitude
Location Longitude
Commodity Released Type
Refined And/or Petroleum Product (Non-Hvl) Which Is A Liquid At Ambient Conditions
Commodity Subtype
Diesel, Fuel Oil, Kerosene, Jet Fuel
Unintentional Release Bbls
15.3
Recovered Bbls
11.8
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
System Part Involved
Onshore Pump/meter Station Equipment And Piping
On Off Shore
Onshore
Status When Identified
Normal Operation, Includes Pauses Between Batches And During Maintenance
Shutdown Due Accident Ind
Yes
Communication State Fed Ind
No
Nrc Rpt Num
Additional Nrc Report Numbers
1377512 1377656
Ignite Ind
No
Notify Qualified Indiv Ind
No
Oil Spill Removal Org Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Oxford Station
Segment Name
Line 02 Check Valve
Onshore State Abbreviation
Al
Onshore Postal Code
36203
Onshore City Name
Oxford
Onshore County Name
Calhoun
Designated Location
Survey Station No.
Designated Name
8803+33
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Valve
Valve Type
Auxiliary Or Other Valve
Installation Year
1978
Manufactured Year
1978
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Seal Or Packing
Wildlife Impact Ind
No
Soil Contamination
Yes
Long Term Assessment
No
Remediation Ind
No
Water Contam Ind
No
Could Be Hca
Yes
Commodity Reached Hca
Yes
Usa Drinking Ind
Yes
Usa Drinking Yes No
Yes
Est Cost Oper Paid
0
Est Cost Gas Released
1965
Est Cost Prop Damage
160000
Est Cost Emergency
85000
Est Cost Environmental
0
Est Cost Other
0
Prpty
246965
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Accident Psig
300
Mop Psig
960
Mop Cfr Section
Internal Design Pressure �195.406(A)(1)
Maop Established Date
1978-09-05 00:00:00
Maop Reversal Flow Ind
No
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Pipeline Function
> 20% Smys Regulated Transmission
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
No
Scada Conf Ind
No
Cpm In Place Ind
No
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
Controller(s) or control room issues were not the cause of or a contributing factor to the accident.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Non-Threaded Connection Failure
Eq Failure Type
Non-Threaded Connection Failure
Other Non Threaded Ind
Seal (Not Pump Seal) Or Packing
Ief Addl Misalignment Ind
Yes
Eq Additional Other Ind
Yes
Eq Additional Other Details
Set Screw And Spring Failure Caused Shaft Misalignment.
Preparer Name
D***** L******
Preparer Email
D*******@c******.com
Preparer Telephone
4438211456
Prepared Date
2023-11-20 00:00:00
Authorizer Name
Q****** F******
Authorizer Telephone
7706879672
Authorizer Email
Q*******@c******.com
Narrative
On august 28, 2023, a colonial employee was conduction a routine station check at oxford station in oxford, alabama. The employee observed product on the ground coming from line 02 unit 3 check valve. The outboard side of the valve was confirmed to be the source of the release. The repairs were completed on 08/29/2023 and the facility was returned to normal operations. The cause of the release is still under investigation. Update: an accident investigation determined the failure of the set screw and spring caused shaft misalignment and packing failure.
Report Received Date 2023-09-27 00:00:00
Iyear 2023
Report Number 20230230
Supplemental Number 38838
Report Type Supplemental Final
Operator Id 2552 PHMSA Enforcement
Name Colonial Pipeline Co
Operator Street Address 1000 Lake St.
Operator City Name Alpharetta
Operator State Abbreviation GA
Operator Postal Code 30009
Time Zone Central
Daylight Savings Ind Yes
Location Latitude 33.598542 Google Maps OpenStreetMap
Location Longitude -85.825559 Google Maps OpenStreetMap
Commodity Released Type Refined And/or Petroleum Product (Non-Hvl) Which Is A Liquid At Ambient Conditions
Commodity Subtype Diesel, Fuel Oil, Kerosene, Jet Fuel
Unintentional Release Bbls 15.3
Recovered Bbls 11.8
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Accident Identifier Local Operating Personnel, Including Contractors
Operator Type Operator Employee
System Part Involved Onshore Pump/meter Station Equipment And Piping
On Off Shore Onshore
Status When Identified Normal Operation, Includes Pauses Between Batches And During Maintenance
Shutdown Due Accident Ind Yes
Communication State Fed Ind No
Nrc Rpt Num 1377463 NRC Report How to search
Additional Nrc Report Numbers 1377512 1377656
Ignite Ind No
Notify Qualified Indiv Ind No
Oil Spill Removal Org Ind No
Num Pub Evacuated 0
Pipe Fac Name Oxford Station
Segment Name Line 02 Check Valve
Onshore State Abbreviation Al
Onshore Postal Code 36203
Onshore City Name Oxford
Onshore County Name Calhoun
Designated Location Survey Station No.
Designated Name 8803+33
Federal No
Location Type Totally Contained On Operator-Controlled Property
Incident Area Type Aboveground
Incident Area Subtype Typical Aboveground Facility Piping Or Appurtenance
Crossing No
Pipe Facility Type Interstate
Item Involved Valve
Valve Type Auxiliary Or Other Valve
Installation Year 1978
Manufactured Year 1978
Material Involved Carbon Steel
Release Type Leak
Leak Type Seal Or Packing
Wildlife Impact Ind No
Soil Contamination Yes
Long Term Assessment No
Remediation Ind No
Water Contam Ind No
Could Be Hca Yes
Commodity Reached Hca Yes
Usa Drinking Ind Yes
Usa Drinking Yes No Yes
Est Cost Oper Paid 0
Est Cost Gas Released 1965
Est Cost Prop Damage 160000
Est Cost Emergency 85000
Est Cost Environmental 0
Est Cost Other 0
Prpty 246965
Num Persons Hosp Not Ovnght 0
Num Injured Treated By Emt 0
Num Resident Building Affctd 0
Num Business Building Affctd 0
Accident Psig 300
Mop Psig 960
Mop Cfr Section Internal Design Pressure �195.406(A)(1) View CFR 49 §192
Maop Established Date 1978-09-05 00:00:00
Maop Reversal Flow Ind No
Accident Pressure Pressure Did Not Exceed Mop
Pressure Restriction Ind No
Pipeline Function > 20% Smys Regulated Transmission
Scada In Place Ind Yes
Scada Operating Ind Yes
Scada Functional Ind Yes
Scada Detection Ind No
Scada Conf Ind No
Cpm In Place Ind No
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 Controller(s) or control room issues were not the cause of or a contributing factor to the accident.
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Equipment Failure
Cause Details Non-Threaded Connection Failure
Eq Failure Type Non-Threaded Connection Failure
Other Non Threaded Ind Seal (Not Pump Seal) Or Packing
Ief Addl Misalignment Ind Yes
Eq Additional Other Ind Yes
Eq Additional Other Details Set Screw And Spring Failure Caused Shaft Misalignment.
Preparer Name D***** L******
Preparer Email D*******@c******.com
Preparer Telephone 4438211456
Prepared Date 2023-11-20 00:00:00
Authorizer Name Q****** F******
Authorizer Telephone 7706879672
Authorizer Email Q*******@c******.com
Narrative On august 28, 2023, a colonial employee was conduction a routine station check at oxford station in oxford, alabama. The employee observed product on the ground coming from line 02 unit 3 check valve. The outboard side of the valve was confirmed to be the source of the release. The repairs were completed on 08/29/2023 and the facility was returned to normal operations. The cause of the release is still under investigation. Update: an accident investigation determined the failure of the set screw and spring caused shaft misalignment and packing failure.

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