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Transcript of stroage tank
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Module 4:
Storage and DispensingLocations
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Objective Upon completion of this module, participants will
be able to discuss common locations for storage& dispensing of ethanol-blended fuels. It willprovide a basic understanding of thesestorage/dispensing sites.
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Introduction Recognition of storage
locations in the community: Production facilities Bulk tank farms Rail transload Farm cooperatives Construction sites
Retail fueling stations
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Storage of EBFs
Production Facility Ethanol storage at
production facility: Ethanol tanks (1 & 2) Denaturant tank (3)
Tanks are identified bymarkings
1 2
3
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Copyright 2009, IAFC
Storage of EBFs
Production Facility
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Typically stored in conventional carbon steelstorage tanks
May be smaller than other tanks at terminal 3 general types of storage tanks:
Cone roof (closed-top) tanks External floating roof (EFR) tanks have open top
with a floating pan Internal floating roof (IFR) tanks with closed top &
internal floating pan
Storage of EBFs
Bulk Storage Terminals
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Internal floating roof(IFR) tanks:
Closed roof Internal floating pan Eyebrow venting Proper markings Fire protection
Storage of EBFs
Bulk Storage Terminals
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Built-in fire protection systems: Fixed systems:
Combination of devices permanently installed Provide fire protection Can be activated manually and/or by detection device Fire protection systems should meet current industry
standards & codes
Storage of EBFs
Bulk Storage Terminals
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Fixed foamsystem
Copyright 2009, IAFC
Built-in fireprotection systems
Storage of EBFs
Bulk Storage Terminals
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Fire Protection Systems
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Pre-planning for potential incidents at tank farmfacilities is extremely important
Fire departments that help provide protection totank farm facilities should have:
Access to high-flow fire fighting foam equipment Large supplies of compatible AR-AFFF foam
available on hand
Storage of EBFs
Bulk Storage Terminals
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Challenges: Provide limited access for fire fighting equipment Ensure adequate water supplies in area Contend with containment dikes & their systems Include miles of exposed product piping Include loading rack facilities
Storage of EBFs
Bulk Storage Terminals
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Spill containment dikes usually designed tocontain largest tank in facility
Storage of EBFs
Bulk Storage Terminals
Copyright 2009, IAFC
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Pre-fire planning extremely important Pre-established working relations between fire
department & facility operators
Property of Wikimedia Commons,reprinted with permission
Property of Wikimedia Commonsreprinted with permission
Storage of EBFs
Bulk Storage Terminals
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Small bulk plant & distribution facilities Smaller bulk distribution storage facilities may
pose greatest challenge to local fire departments Possibilities include:
No fire protection Unstaffed
Limited site resources Flammable liquid fuels stored at facilities in
modest quantities
Storage of EBFs
Bulk Storage Terminals
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Vertical storage tanks Also known as
dome
roof
tanks Bolted vs. welded
construction Differences in fire
behavior if notconstructed to API 650 specifications
Storage of EBFs
Bulk Storage Facilities
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Small storage tanks Horizontal Vertical
Storage of EBFs
Bulk Storage Facilities
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Storage of EBFs
Bulk Storage Facilities
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Transloading Sites
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Majority have undergroundstorage tanks
Relatively small in storagevolume, large in numberthroughout the U.S.
May/may not have vapor recovery
systems associated with sites Larger volume retail fueling
stations may have above-groundstorage tanks
Storage of EBFs
Retail Dispensing Stations
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EBF normally stored in: Underground tanks
Small volume above-ground steeltanks Vertical/horizontal design Filled by highway cargo tankers E10 distributed to ~160,000
fueling sites E85 distributed to thousands of
fueling sites
Storage of EBFs
Retail Dispensing Stations
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Stored in horizontalunderground tanks
Location of: Emergency shut-off
valves Loading & unloading
points vary Risers for multiple tanks
color-coded/marked toidentify product
Property of Hildebrand and Noll, reprinted with permission
Storage of EBFs
Retail Dispensing Stations
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Activity 4.1:
Ethanol in Your Jurisdiction Purpose:
To allow participants to determine the potential for
ethanol emergency in their jurisdictions.