Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2023-08-07 — OH
Operator
Marathon Pipe Line Llc
Cause
Other Outside Force Damage
Commodity
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$138,647
Incident datetime
2023-08-07 00:00 UTC
Report number
Location
OH
Narrative
On 7/13/23 at 14:00 cst, marathon pipeline was notified of a third-party fire at a shared block valve site. The mpl block valve is located approximately 15 ft from the third-party valve that was on fire. Initial responders were unable to get close enough to mpl assets to determine if they were affected as well. At approximately 19:15 cst, it was determined that mpl assets were also on fire. The cause of the fire on the mpl assets was due the extreme heat from the third-party fire damaging the valve components, causing them to fail. Supplemental filed to finalize report.
Detailed record list
Report Received Date
2023-08-07 00:00:00
Iyear
2023
Report Number
20230179
Supplemental Number
38652
Report Type
Supplemental Final
Operator Id
32147
Name
Marathon Pipe Line Llc
Operator Street Address
539 South Main Street
Operator City Name
Findlay
Operator State Abbreviation
OH
Operator Postal Code
45840
Time Zone
Central
Daylight Savings Ind
Yes
Location Latitude
29.257547
Location Longitude
-95.136928
Commodity Released Type
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Commodity Subtype
Other Hvl
Commodity Details
Propane
Unintentional Release Bbls
43
Intentional Release Bbls
0
Recovered Bbls
0
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 Pipeline, Including Valve Sites
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
1373010
Additional Nrc Report Numbers
1373079
Ignite Ind
Yes
How Extinguished
Operator/contractor
Consumed By Fire In Barrels
43
Explode Ind
No
Upstream Action Taken
Operational Control
Upstream Oprtnl Cntrl Detail
Shut Down The Pipeline System
Downstream Action Taken
Operational Control
Downstream Oprtnl Cntrl Detail
Downstream Valves Remained Open To Drain Pressure Away From Accident Site
Num Pub Evacuated
0
Pipe Fac Name
Galveston Bay To Chocolate Bayou 8" Lpg
Segment Name
Galveston Bay To Chocolate Bayou 8" Lpg
Onshore State Abbreviation
Tx
Onshore Postal Code
77510
Onshore City Name
Not Within A Municipality
Onshore County Name
Brazoria
Designated Location
Milepost
Designated Name
17.14
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance
Crossing
No
Pipe Facility Type
Intrastate
Item Involved
Valve
Valve Type
Mainline
Valve Mainline Type
Gate
Valve Manufacturer
National Oilwell Varco
Installation Year
2017
Manufactured Year
2016
Material Involved
Carbon Steel
Release Type
Other
Release Type Details
Extreme Heat From Third-Party Fire Damaging Valve Components Of 8" Mainline Block Valve And Two 2" Blow Down Valves.
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
975
Est Cost Prop Damage
138647
Est Cost Emergency
73084
Est Cost Environmental
0
Est Cost Other
0
Prpty
212706
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Accident Psig
990
Mop Psig
2160
Mop Cfr Section
Component Design Pressure �195.406(A)(2)
Maop Established Date
2016-01-01 00:00:00
Maop Reversal Flow Ind
No
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
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
Accident was directly caused by a third-party fire near our system and was undetectable and unavoidable.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Other Outside Force Damage
Cause Details
Nearby Industrial, Man-Made, Or Other Fire/explosion As Primary Cause Of Accident
Outside Force Type
Nearby Industrial, Man-Made, Or Other Fire/explosion As Primary Cause Of Incident
Preparer Name
B*** H********
Preparer Email
B**********@m****************.com
Preparer Telephone
4192031682
Prepared Date
2023-10-11 00:00:00
Authorizer Name
M****** G***
Authorizer Telephone
4193794019
Authorizer Title
Regulatory Compliance Manager
Authorizer Email
M*****@m****************.com
Narrative
On 7/13/23 at 14:00 cst, marathon pipeline was notified of a third-party fire at a shared block valve site. The mpl block valve is located approximately 15 ft from the third-party valve that was on fire. Initial responders were unable to get close enough to mpl assets to determine if they were affected as well. At approximately 19:15 cst, it was determined that mpl assets were also on fire. The cause of the fire on the mpl assets was due the extreme heat from the third-party fire damaging the valve components, causing them to fail. Supplemental filed to finalize report.
| Report Received Date | 2023-08-07 00:00:00 |
|---|---|
| Iyear | 2023 |
| Report Number | 20230179 |
| Supplemental Number | 38652 |
| Report Type | Supplemental Final |
| Operator Id | 32147 PHMSA Enforcement |
| Name | Marathon Pipe Line Llc |
| Operator Street Address | 539 South Main Street |
| Operator City Name | Findlay |
| Operator State Abbreviation | OH |
| Operator Postal Code | 45840 |
| Time Zone | Central |
| Daylight Savings Ind | Yes |
| Location Latitude | 29.257547 Google Maps OpenStreetMap |
| Location Longitude | -95.136928 Google Maps OpenStreetMap |
| Commodity Released Type | Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions |
| Commodity Subtype | Other Hvl |
| Commodity Details | Propane |
| Unintentional Release Bbls | 43 |
| Intentional Release Bbls | 0 |
| Recovered Bbls | 0 |
| 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 Pipeline, Including Valve Sites |
| 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 | 1373010 NRC Report How to search |
| Additional Nrc Report Numbers | 1373079 |
| Ignite Ind | Yes |
| How Extinguished | Operator/contractor |
| Consumed By Fire In Barrels | 43 |
| Explode Ind | No |
| Upstream Action Taken | Operational Control |
| Upstream Oprtnl Cntrl Detail | Shut Down The Pipeline System |
| Downstream Action Taken | Operational Control |
| Downstream Oprtnl Cntrl Detail | Downstream Valves Remained Open To Drain Pressure Away From Accident Site |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Galveston Bay To Chocolate Bayou 8" Lpg |
| Segment Name | Galveston Bay To Chocolate Bayou 8" Lpg |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 77510 |
| Onshore City Name | Not Within A Municipality |
| Onshore County Name | Brazoria |
| Designated Location | Milepost |
| Designated Name | 17.14 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Aboveground |
| Incident Area Subtype | Typical Aboveground Facility Piping Or Appurtenance |
| Crossing | No |
| Pipe Facility Type | Intrastate |
| Item Involved | Valve |
| Valve Type | Mainline |
| Valve Mainline Type | Gate |
| Valve Manufacturer | National Oilwell Varco |
| Installation Year | 2017 |
| Manufactured Year | 2016 |
| Material Involved | Carbon Steel |
| Release Type | Other |
| Release Type Details | Extreme Heat From Third-Party Fire Damaging Valve Components Of 8" Mainline Block Valve And Two 2" Blow Down Valves. |
| 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 | 975 |
| Est Cost Prop Damage | 138647 |
| Est Cost Emergency | 73084 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 212706 |
| Num Persons Hosp Not Ovnght | 0 |
| Num Injured Treated By Emt | 0 |
| Num Resident Building Affctd | 0 |
| Num Business Building Affctd | 0 |
| Accident Psig | 990 |
| Mop Psig | 2160 |
| Mop Cfr Section | Component Design Pressure �195.406(A)(2) View CFR 49 §192 |
| Maop Established Date | 2016-01-01 00:00:00 |
| Maop Reversal Flow Ind | No |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| 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 | Accident was directly caused by a third-party fire near our system and was undetectable and unavoidable. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Other Outside Force Damage |
| Cause Details | Nearby Industrial, Man-Made, Or Other Fire/explosion As Primary Cause Of Accident |
| Outside Force Type | Nearby Industrial, Man-Made, Or Other Fire/explosion As Primary Cause Of Incident |
| Preparer Name | B*** H******** |
| Preparer Email | B**********@m****************.com |
| Preparer Telephone | 4192031682 |
| Prepared Date | 2023-10-11 00:00:00 |
| Authorizer Name | M****** G*** |
| Authorizer Telephone | 4193794019 |
| Authorizer Title | Regulatory Compliance Manager |
| Authorizer Email | M*****@m****************.com |
| Narrative | On 7/13/23 at 14:00 cst, marathon pipeline was notified of a third-party fire at a shared block valve site. The mpl block valve is located approximately 15 ft from the third-party valve that was on fire. Initial responders were unable to get close enough to mpl assets to determine if they were affected as well. At approximately 19:15 cst, it was determined that mpl assets were also on fire. The cause of the fire on the mpl assets was due the extreme heat from the third-party fire damaging the valve components, causing them to fail. Supplemental filed to finalize report. |
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