HL incident on 2012-06-09 — TX

Operator
Enterprise Products Operating Llc
Cause
Incorrect Operation
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)
$0
Incident datetime
2012-06-09 11:45
Report number
Location
TX
Narrative
In reference to parts a(6), f, and I, this report is being made as part of a comprehensive review and analysis of prior incidents or near misses involving flash fire or ignition of flammable vapors, pursuant to a compliance order issued by PHMSA (cpf no. 4-2014-5017). A fire occurred during welding part of the p1 16" reversal project. Prior to welding occurring, a pump and associated piping were taken out of service to allow for the welding of two tees on june 8, 2012. A job plan and safe work permit were issued and atmospheric testing was performed prior to work commencing. No hydrocarbons were detected. Work began and a fire occurred during the welding of the second tee. The job was stopped and the pipeline technician discovered that the pump and piping had not been drained or purged. Prior to work resuming, the line was properly drained and purged. Specifically, a vacuum truck was used to remove the hydrocarbon liquids and dry ice was placed in the pipeline to remove carbon dioxide and hydrocarbon vapors. After atmospheric testing at the weld site revealed no hydrocarbons, welding was then resumed.
Detailed record list
Report Received Date
2015-07-13 00:00:00
Iyear
2012
Report Number
20150251
Supplemental Number
21038
Report Type
Supplemental Final
Operator Id
Name
Enterprise Products Operating Llc
Operator Street Address
1100 Louisiana Street
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2012-06-09 11:45:00
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
0.1
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Contractor Working For The Operator
Incident Identified Datetime
2012-06-09 11:45:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
No
Shutdown Explain
Facility Shut Down For Maintenance
On Site Datetime
2012-06-09 11:45:00
Nrc Rpt Num
Nrc Notification Required But Not Made
Ignite Ind
Yes
Explode Ind
No
Upstream Valve Type Ind
Remotely Controlled
Downstream Valve Type Ind
Remotely Controlled
Num Pub Evacuated
0
Pipe Fac Name
Hankamer Pump Station
Segment Name
P1 - Baytown To Beaumont #2
Onshore State Abbreviation
Tx
Onshore Postal Code
77560
Onshore City Name
Hankamer
Onshore County Name
Chambers
Designated Location
Milepost/valve Station
Designated Name
Hankamer Ps
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
Other
Item Involved Details
Vapors Ignited By Welding During Tie-In
Installation Year
2012
Material Involved
Carbon Steel
Release Type
Other
Release Type Details
Vapors Ignited By Welding During Tie-In
Wildlife Impact Ind
No
Soil Contamination
No
Long Term Assessment
No
Remediation Ind
No
Water Contam Ind
No
Could Be Hca
No
Commodity Reached Hca
No
Est Cost Oper Paid
0
Est Cost Gas Released
0
Est Cost Prop Damage
0
Est Cost Emergency
100
Est Cost Environmental
0
Est Cost Other
0
Prpty
100
Accident Psig
0
Mop Psig
885
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
10
Internal Inspection Ind
Yes
Operation Complications 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
Yes
Cpm Operating Ind
Yes
Cpm Functional Ind
Yes
Cpm Detection Ind
No
Cpm Conf 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
Facility shut down for maintenance at time of accident. No controller actions possible.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Incorrect Operation
Cause Details
Other Incorrect Operation
Operation Type
Other Incorrect Operation
Operation Details
Failure To Completely Drain Pump And Piping Prior To Welding Caused Ignition Of Vapors During Maintenance Welding To Tie In Bypass Piping At Pump Station.
Related Failure Follow Ind
Yes
Category Type
Other Maintenance
Operator Qualification Ind
Yes
Qualified Individuals
No, They Were Not Qualified For The Task(S) Nor Were They Performing The Task(S) Under The Direction And Observation Of A Qualified Individual
Preparer Name
M****** P*****
Preparer Title
Sr. Compliance Specialist
Preparer Email
M*******@e****.com
Preparer Telephone
713-381-5897
Prepared Date
2016-01-11 00:00:00
Authorizer Name
M****** P*****
Authorizer Telephone
713-381-5897
Authorizer Title
Sr. Compliance Specialist
Authorizer Email
M*******@e****.com
Narrative
In reference to parts a(6), f, and I, this report is being made as part of a comprehensive review and analysis of prior incidents or near misses involving flash fire or ignition of flammable vapors, pursuant to a compliance order issued by PHMSA (cpf no. 4-2014-5017). A fire occurred during welding part of the p1 16" reversal project. Prior to welding occurring, a pump and associated piping were taken out of service to allow for the welding of two tees on june 8, 2012. A job plan and safe work permit were issued and atmospheric testing was performed prior to work commencing. No hydrocarbons were detected. Work began and a fire occurred during the welding of the second tee. The job was stopped and the pipeline technician discovered that the pump and piping had not been drained or purged. Prior to work resuming, the line was properly drained and purged. Specifically, a vacuum truck was used to remove the hydrocarbon liquids and dry ice was placed in the pipeline to remove carbon dioxide and hydrocarbon vapors. After atmospheric testing at the weld site revealed no hydrocarbons, welding was then resumed.
Report Received Date 2015-07-13 00:00:00
Iyear 2012
Report Number 20150251
Supplemental Number 21038
Report Type Supplemental Final
Operator Id 31618 PHMSA Enforcement
Name Enterprise Products Operating Llc
Operator Street Address 1100 Louisiana Street
Operator City Name Houston
Operator State Abbreviation TX
Operator Postal Code 77002
Local Datetime 2012-06-09 11:45:00
Location Latitude 29.859222 Google Maps OpenStreetMap
Location Longitude -94.561908 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 0.1
Recovered Bbls 0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Accident Identifier Local Operating Personnel, Including Contractors
Operator Type Contractor Working For The Operator
Incident Identified Datetime 2012-06-09 11:45:00
System Part Involved Onshore Pipeline, Including Valve Sites
On Off Shore Onshore
Shutdown Due Accident Ind No
Shutdown Explain Facility Shut Down For Maintenance
On Site Datetime 2012-06-09 11:45:00
Nrc Rpt Num Nrc Notification Required But Not Made NRC Report How to search
Ignite Ind Yes
Explode Ind No
Upstream Valve Type Ind Remotely Controlled
Downstream Valve Type Ind Remotely Controlled
Num Pub Evacuated 0
Pipe Fac Name Hankamer Pump Station
Segment Name P1 - Baytown To Beaumont #2
Onshore State Abbreviation Tx
Onshore Postal Code 77560
Onshore City Name Hankamer
Onshore County Name Chambers
Designated Location Milepost/valve Station
Designated Name Hankamer Ps
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 Other
Item Involved Details Vapors Ignited By Welding During Tie-In
Installation Year 2012
Material Involved Carbon Steel
Release Type Other
Release Type Details Vapors Ignited By Welding During Tie-In
Wildlife Impact Ind No
Soil Contamination No
Long Term Assessment No
Remediation Ind No
Water Contam Ind No
Could Be Hca No
Commodity Reached Hca No
Est Cost Oper Paid 0
Est Cost Gas Released 0
Est Cost Prop Damage 0
Est Cost Emergency 100
Est Cost Environmental 0
Est Cost Other 0
Prpty 100
Accident Psig 0
Mop Psig 885
Accident Pressure Pressure Did Not Exceed Mop
Pressure Restriction Ind No
Length Segment Isolated 10
Internal Inspection Ind Yes
Operation Complications 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 Yes
Cpm Operating Ind Yes
Cpm Functional Ind Yes
Cpm Detection Ind No
Cpm Conf 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 Facility shut down for maintenance at time of accident. No controller actions possible.
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Incorrect Operation
Cause Details Other Incorrect Operation
Operation Type Other Incorrect Operation
Operation Details Failure To Completely Drain Pump And Piping Prior To Welding Caused Ignition Of Vapors During Maintenance Welding To Tie In Bypass Piping At Pump Station.
Related Failure Follow Ind Yes
Category Type Other Maintenance
Operator Qualification Ind Yes
Qualified Individuals No, They Were Not Qualified For The Task(S) Nor Were They Performing The Task(S) Under The Direction And Observation Of A Qualified Individual
Preparer Name M****** P*****
Preparer Title Sr. Compliance Specialist
Preparer Email M*******@e****.com
Preparer Telephone 713-381-5897
Prepared Date 2016-01-11 00:00:00
Authorizer Name M****** P*****
Authorizer Telephone 713-381-5897
Authorizer Title Sr. Compliance Specialist
Authorizer Email M*******@e****.com
Narrative In reference to parts a(6), f, and I, this report is being made as part of a comprehensive review and analysis of prior incidents or near misses involving flash fire or ignition of flammable vapors, pursuant to a compliance order issued by PHMSA (cpf no. 4-2014-5017). A fire occurred during welding part of the p1 16" reversal project. Prior to welding occurring, a pump and associated piping were taken out of service to allow for the welding of two tees on june 8, 2012. A job plan and safe work permit were issued and atmospheric testing was performed prior to work commencing. No hydrocarbons were detected. Work began and a fire occurred during the welding of the second tee. The job was stopped and the pipeline technician discovered that the pump and piping had not been drained or purged. Prior to work resuming, the line was properly drained and purged. Specifically, a vacuum truck was used to remove the hydrocarbon liquids and dry ice was placed in the pipeline to remove carbon dioxide and hydrocarbon vapors. After atmospheric testing at the weld site revealed no hydrocarbons, welding was then resumed.

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