grainawi2.standards.tuesday
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Lorri Grainawi
Steel Tank Institute
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1
985
1969
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992
1
985
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UL 58 - Standard for Steel UndergroundTanks for Flammable and Combustible
Liquids ULC S615 - Standard for Reinforced Plastic
Underground Tanks for Flammable andCombustible Liquids
UL 1316 - Glass-Fiber-Reinforced PlasticUnderground Storage Tanks for PetroleumProducts, Alcohols, and Alcohol-GasolineMixtures
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ULC S603 - Standard for SteelUnderground Tanks for Flammable AndCombustible Liquids
ULC S603.1 - External Corrosion ProtectionSystems for Steel Underground Tanks forFlammable and Combustible Liquids
UL 1746 - Standard for External Corrosion
Protection Systems For Steel UndergroundStorage Tanks
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UL 2085 - Standard for
Protected
Aboveground Tanks
for Flammable and
Combustible Liquids
SwRI - Southwest
Research Institute
SwRI 97-04
SwRI 93-01
API - American
Petroleum Institute
API 12F
API 650, App. J
UL 80 - Standard for
Steel Tanks for Oil-
Burner FuelULC ORD-C80.1 -
Non-Metallic Tanks forFuel Oil
UL 142 - Standard for
Steel Aboveground
Tanks for Flammable
and Combustible
Liquids
UL 2245 - Standard
for Below-Grade
Vaults for FlammableLiquid Storage Tanks
ULC S601 - Standard
for Shop Fabricated
Steel Aboveground
Horizontal Tanks
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UL 971 - Standard for NonmetallicUnderground Piping For FlammableLiquids
SU 971A - METALLIC UNDERGROUND FUELPIPE
SU means the document is an Outline ofInvestigation, not a Standard
ULC S660 - Standard for NonmetallicUnderground Piping for Flammable andCombustible Liquids
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SU87A - Power-Operated DispensingDevices for Gasoline/Ethanol Blends withEthanol Content Greater Than 15 Percent
ULC ORD-C142.19 - Spill ContainmentDevices for Aboveground Flammable andCombustible Liquid Storage Tanks
UL 157 - Standard for Gaskets and Seals
UL 330 - Standard for Hose and HoseAssemblies for Dispensing FlammableLiquid
UL 525 - Standard for Flame Arresters
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UL 536 - Standard for Flexible MetallicHose
UL 860 - Pipe Unions for Flammable andCombustible Fluids and Fire-ProtectionService
UL 1106 - Standard for Marine ManuallyOperated Shutoff Valves for Flammable
Liquids
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SU 2583 - FUEL TANK ACCESSORIES
SU 2215 - OIL/WATER SEPARATORS
NLPA 631- Linings
API 1631 - Linings
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Consistent
Cover all necessary requirements
Without unnecessary restrictions
Be able to test as efficiently as possible Clear and concise
Anyone should be able to read test,understand it and duplicate the test
Fill in the blank ________________
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Prescriptive
ULC S603, Steel Underground Tanks
Performance
UL 971, Non-metallic piping
Calculation
UL 58, steel thickness
All three methods should coverstructural design, product
compatibility and safety issues
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Steel head, or end plate thickness
Weld joints allowed
Fitting details
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Specifies weld jointdesigns
Air pressure shop
test, 35 psi
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UL allows either a
calculated approach,
using formula known
as Roark OR Performance test, with
limitations,
Roark is a conservative
approach. Does notrely on backfill forsupport.
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Coating testsmirrored after FRPtank standard
Interstitialcommunication isrequired
Mainlyperformancestandard, 2009
ANSI approved
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Atmospheric Tank
Single wall
Double wall
Does not cover
heating coils or
compartment tanks
Mainly
performance, but
Steel fittings and
venting specified
UL 1316ISBN 1-55989-385-0
Glass-Fiber-Reinforced PlasticUnderground Storage Tanks forPetroleum Products, Alcohols, and
Alcohol-Gasoline Mixtures1996
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Three tests
Water load test,one hour
External Pressure onburied tank
Internal pressure
12 External Pressure Test
12.1 A tank shall be tested asdescribed in 12.2. The tank shall notimplode or otherwise be damaged.12.2 The empty tank is to be installedin a test pit using the specifiedanchoring system and the specifiedbackfill procedure. The pit is then to befilled with water to such a level that
the tank is submerged to its maximumspecified burial depth. The tank is toremain submerged for 24 hours. Whilethe tank is still submerged, it is to besubjected for 1 minute to a partialinternal vacuum so that the internalpressure on the tank is 5.3 inches of
mercury less than the externalpressure imposed by the hydrostatichead.13 Internal Pressure Test
A tank shall withstand without rupturefor 1 minute to an internal pressure asspecified:10 ft dia or less, 25 psi
Greater than 10 ft, 15 psi
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Immersion Testing - 180 to 270 days
Must maintain 50% of strength
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Impact and Cold Exposure
16 hour conditioning
1.18 lb ball
Light and water exposure 180 to 360 hour exposure
Must maintain 80% strength
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Comprehensive testprogram with 27possible tests
Interstitialcommunication
Puncture & crushresistance
Pressure & Vacuum Permeation
Impact
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Productcompatibility testing(100% ethanol & 100%methanol
Failure to burst
Failure modesinclude cracking,
splitting, bulging,collapse anddelamination
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Scope currently covers vapor control,emergency vents, normal vents, caps andcovers
Prescriptive in that it states min/max forpipe diameters
Performance to prove protection against
Rain entry
Ice Blocking
Test fluids include Biodiesel &aggressive fuels
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Scope includesmeters, hoses,pumps, etc.
Productcompatibilitytesting includesaggressive fuels
Cyclic endurancetesting done formoving parts
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Test fluids vary
Only one standardincludes biodiesel
Two test withaggressive fluids
Steel does notrequire testing
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Interstitial
communicationrequired for threeUL standards
Performance
based mixed withprescriptiverequirements withsome calculation
UL standards cover only to thepoint the product leaves thefactory