Containers - Highway Cargo
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Highway Cargo TanksHighway Cargo Tanks
Presented byPresented by
Bill HandBill Hand
Training CoordinatorTraining Coordinator
Hazardous Materials Response TeamHazardous Materials Response Team
Harris County, TexasHarris County, Texas
Madison, WisconsinMadison, Wisconsin
August 2007August 2007
Highway Cargo Tank TrucksHighway Cargo Tank Trucks
The technician trainee, given examples of the following cargo tanks, shall identify each tank by type, and identify at least one material and its hazard class that is typically found in each tank:NFPA 472 (2002 Edition), 6.2.1.1(C)603-1.04a. Non-pressure liquid tanks (MC-306/DOT-406)603-1.04b. Low pressure chemical tanks (MC-307/DOT-407)603-1.04c. Corrosive liquid tanks (MC-312/DOT-412)603-1.04d. High-pressure tanks (MC-331)603-1.04e. Cryogenic liquid tanks (MC-338)603-1.04f. Tube trailers tanks
ObjectivesObjectives
MCMC--306/DOT306/DOT--406406
Atmospheric Pressure Cargo TankAtmospheric Pressure Cargo Tank•• Oval cross section nonOval cross section non--pressure (3 pressure (3 psipsi))
•• Single shell aluminum constructionSingle shell aluminum construction
•• 9000 Gallon capacity9000 Gallon capacity
•• Transports motor fuelsTransports motor fuels
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Bulk Containers Bulk Containers -- HighwayHighwayNon Pressure Cargo Tank MC 306 / DOT 406Non Pressure Cargo Tank MC 306 / DOT 406
Elliptical Cross-Section, Flat End
Vapor RecoveryVapor Recovery
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Wheel AssembliesWheel Assemblies
Two Main TypesTwo Main Types
Dual Wheeled AxlesDual Wheeled AxlesMost CommonMost Common
Single Wheeled AxlesSingle Wheeled AxlesAKA Super SinglesAKA Super Singles
Emergency ShutEmergency Shut--offoff
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MCMC--306 / DOT306 / DOT--406 Cargo Tank Construction406 Cargo Tank Construction
Integrated dome coverIntegrated dome cover
Overfill sensorOverfill sensor
Vapor recovery ventVapor recovery vent
Observation portObservation port
MCMC--306 / DOT306 / DOT--406 Cargo Tank Construction406 Cargo Tank Construction
Vapor recovery system Vapor recovery system
Vapor recovery pipingVapor recovery piping
OldOld
NewNew
MCMC--306 / DOT306 / DOT--406 Cargo Tank Construction406 Cargo Tank Construction
Vapor recovery system ventVapor recovery system vent
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MCMC--306 / DOT306 / DOT--406 Cargo Tank Construction406 Cargo Tank Construction
Overfill protectionOverfill protection
Truck SideTruck Side
Terminal SideTerminal Side
““Scully SystemScully System””
MCMC--306 / DOT306 / DOT--406 Cargo Tank Construction406 Cargo Tank Construction
Overfill protectionOverfill protection
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MCMC--306 / DOT306 / DOT--406 Cargo Tank Construction406 Cargo Tank Construction
Brake bar interlockBrake bar interlock
Load / Discharge ValvesLoad / Discharge Valves
Vapor recovery connectionVapor recovery connection
Highway Cargo TankerHighway Cargo TankerEmergency ResponseEmergency Response
Highway Cargo TankerHighway Cargo TankerEmergency ResponseEmergency Response
Traffic ControlTraffic Control
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Highway Cargo Tanker Highway Cargo Tanker Emergency Response MC 306/DOT 406Emergency Response MC 306/DOT 406
Product identification?Product identification?
NaphthaNaphtha JPJP--44
GasolineGasoline
Highway Cargo TankerHighway Cargo TankerEmergency Response MC306/DOT 406Emergency Response MC306/DOT 406
Is the cooling water effective?Is the cooling water effective?
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Highway Cargo TankerHighway Cargo TankerEmergency Response MC 306/DOT 406Emergency Response MC 306/DOT 406
Thermal cooling begins Thermal cooling begins –– 3 ea. 1 3 ea. 1 ¾¾ water lineswater lines
Highway Cargo TankerHighway Cargo TankerEmergency Response MC 306/DOT 406Emergency Response MC 306/DOT 406
Fire calms down Fire calms down –– 3 ea. 1 3 ea. 1 ¾¾ water lineswater lines
Highway Cargo TankerHighway Cargo TankerEmergency Response MC 306/DOT 406Emergency Response MC 306/DOT 406
Foam application begins Foam application begins –– 2 ea. 1 2 ea. 1 ¾¾ @ 100 gpm per line @ 100 gpm per line
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Highway Cargo TankerHighway Cargo TankerEmergency Response MC 306/DOT 406Emergency Response MC 306/DOT 406
Three dimensional firesThree dimensional fires
Highway Cargo TankerHighway Cargo TankerEmergency Response MC 306/DOT 406Emergency Response MC 306/DOT 406
Highway Cargo TankerHighway Cargo TankerEmergency Response MC 306/DOT 406Emergency Response MC 306/DOT 406
Shear sectionShear section
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Highway Cargo TankerHighway Cargo TankerEmergency Response MC 306/DOT 406Emergency Response MC 306/DOT 406
Highway Cargo TankerHighway Cargo TankerEmergency Response MC 306/DOT 406Emergency Response MC 306/DOT 406
Highway Cargo TankerHighway Cargo TankerEmergency Response MC 306/DOT 406Emergency Response MC 306/DOT 406
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Highway Cargo TankerHighway Cargo TankerEmergency Response MC 306/DOT 406Emergency Response MC 306/DOT 406
No wind?No wind?………….make your own.make your own
Highway Cargo TankerHighway Cargo TankerEmergency Response MC 306/DOT 406Emergency Response MC 306/DOT 406
Highway Cargo TankerHighway Cargo TankerEmergency ResponseEmergency Response
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Highway Cargo TankerHighway Cargo TankerEmergency ResponseEmergency Response
Highway Cargo TankerHighway Cargo TankerEmergency ResponseEmergency Response
Highway Cargo TankerHighway Cargo TankerEmergency ResponseEmergency Response
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Highway Cargo TankerHighway Cargo TankerEmergency Response MC 306/DOT 406Emergency Response MC 306/DOT 406
Highway Cargo TankerHighway Cargo TankerEmergency ResponseEmergency Response
Grounding & BondingGrounding & Bonding
•• Clean connectionsClean connections
•• Cables intactCables intact
•• Last connection in nonLast connection in non--flammable atmosphere flammable atmosphere
Highway Cargo TankerHighway Cargo TankerEmergency Response MC 306/DOT 406Emergency Response MC 306/DOT 406
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MCMC--307/DOT307/DOT--407407Low Pressure Cargo TankLow Pressure Cargo Tank•• Circular crossCircular cross--section (up to 40 section (up to 40 psipsi.).)
•• Double shell w/insulation must commonDouble shell w/insulation must common
•• One or two compartmentsOne or two compartments
•• 6000 to 7000 gal capacity6000 to 7000 gal capacity
•• Transports flammable and combustible liquids Transports flammable and combustible liquids and poisonsand poisons
Bulk Containers Bulk Containers -- HighwayHighway
Low Pressure Cargo Tank MC 307 / DOT 407Low Pressure Cargo Tank MC 307 / DOT 407
Stiffening RingsStiffening Rings
InsulatedInsulated NonNon--insulatedinsulated
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UnUn--insulatedinsulated
InsulatedInsulated
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MCMC--307/407307/407
Highway Cargo TankerHighway Cargo TankerEmergency ResponseEmergency Response
Highway Cargo TankerHighway Cargo TankerEmergency Response MC 307/DOT 407Emergency Response MC 307/DOT 407
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Highway Cargo TankerHighway Cargo TankerEmergency ResponseEmergency Response
MCMC--312 / DOT312 / DOT--412412Corrosive Liquid Cargo TanksCorrosive Liquid Cargo Tanks•• Circular cross section, smaller diameterCircular cross section, smaller diameter
•• Overturn protection at dome and valvesOverturn protection at dome and valves
•• Capacity 5000 to 6000 gallonsCapacity 5000 to 6000 gallons
•• Transport corrosives and other high density Transport corrosives and other high density liquidsliquids
Bulk Containers Bulk Containers -- HighwayHighwayCorrosive Liquid Cargo Tank MC 312 / DOT 412Corrosive Liquid Cargo Tank MC 312 / DOT 412
Stiffening RingsStiffening Rings
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MC 312/ DOT 412MC 312/ DOT 412
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Vacuum Trucks MC 312/DOT 412Vacuum Trucks MC 312/DOT 412
Highway Cargo TankerHighway Cargo TankerEmergency Response MC 312/DOT 412Emergency Response MC 312/DOT 412
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Highway Cargo TankerHighway Cargo TankerEmergency ResponseEmergency Response
Highway Cargo TankerHighway Cargo TankerEmergency ResponseEmergency Response
Highway Cargo TankerHighway Cargo TankerEmergency ResponseEmergency Response
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Highway Cargo TankerHighway Cargo TankerEmergency ResponseEmergency Response
Highway Cargo TankerHighway Cargo TankerEmergency ResponseEmergency Response
Bulk Containers Bulk Containers -- HighwayHighway
Pressure Cargo Tank MC 331Pressure Cargo Tank MC 331
Circular, Rounded EndCircular, Rounded End
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FRONT
REAR
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Hydraulic pump on NH3 Cargo Tank
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Hydrogen fluoride, anhydrousHydrogen fluoride, anhydrous
MC 331MC 331
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Bulk Containers Bulk Containers -- HighwayHighway
Compressed Gas Cargo Tank (China)Compressed Gas Cargo Tank (China)
MEMPHISMEMPHIS
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Highway Cargo TankerHighway Cargo TankerEmergency Response MC 331Emergency Response MC 331
Highway Cargo TankerHighway Cargo TankerEmergency Response MC 331Emergency Response MC 331
Highway Cargo TankerHighway Cargo TankerEmergency ResponseEmergency Response
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Highway Cargo TankerHighway Cargo TankerEmergency Response MC 3331Emergency Response MC 3331
Highway Cargo TankerHighway Cargo TankerEmergency Response MC 331Emergency Response MC 331
Highway Cargo TankerHighway Cargo TankerEmergency Response MC 331Emergency Response MC 331
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Highway Cargo TankerHighway Cargo TankerEmergency ResponseEmergency Response
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Highway Cargo TankerHighway Cargo TankerEmergency Response MC 331Emergency Response MC 331
IDLH 500 ppmIDLH 500 ppm
Houston Post BuildingsHouston Post Buildings
6,500 ppm for 2 Minutes6,500 ppm for 2 Minutes
Anhydrous Anhydrous Ammonia MC 331Ammonia MC 331
11 May 197611 May 1976
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Highway Cargo TankerHighway Cargo TankerEmergency Response MC 331Emergency Response MC 331
MCMC--338338Cryogenic Liquid Cargo TankCryogenic Liquid Cargo Tank
•• Insulated Insulated ““Thermos BottleThermos Bottle”” designdesign
•• Double shell w/relief protectionDouble shell w/relief protection
••Vapors discharge from road relief valveVapors discharge from road relief valve
•• Transport LOX, Liquid nitrogen, Liquid Transport LOX, Liquid nitrogen, Liquid argon, Liquid hydrogen, LNGargon, Liquid hydrogen, LNG
Bulk Containers Bulk Containers -- HighwayHighway
Cryogenic Liquid Cargo Tank MC 338 / Non Spec.Cryogenic Liquid Cargo Tank MC 338 / Non Spec.
Tank Within a Tank
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Bulk Containers Bulk Containers -- HighwayHighway
Cryogenic Liquid Cargo Tank MC 338 / Non Spec.Cryogenic Liquid Cargo Tank MC 338 / Non Spec.
Circular, Rounded EndCircular, Rounded End
MC 338MC 338
MC 338MC 338
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PRESSURE RELIEF VALVE
FRANGIBLE DISK
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Highway Cargo TankerHighway Cargo TankerEmergency Response CGA 341Emergency Response CGA 341
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Highway Cargo TankerHighway Cargo TankerEmergency ResponseEmergency Response
Highway Cargo TankerHighway Cargo TankerEmergency Response CGA 341Emergency Response CGA 341
Bulk Containers Bulk Containers -- HighwayHighwayTube TrailersTube Trailers
Permanently Permanently Mounted CylindersMounted Cylinders
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Bulk Containers Bulk Containers -- HighwayHighwayTube TrailersTube Trailers
Examples include Hydrogen, Helium and Argon
Spec Gas FireSpec Gas Fire
Bulk Containers Bulk Containers -- HighwayHighwayDry Bulk Commodity Carriers (NonDry Bulk Commodity Carriers (Non--Specification)Specification)
V-Shaped Unloading Compartments
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Bulk Containers Bulk Containers -- HighwayHighwayMolten Sulfur Cargo Tank (NonMolten Sulfur Cargo Tank (Non--Specification)Specification)
Breathing AirCylinder
Highway Cargo TankerHighway Cargo TankerEmergency Response Non Spec.Emergency Response Non Spec.
Highway Cargo TankerHighway Cargo TankerEmergency Response NonEmergency Response Non--SpecSpec
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Highway Cargo TankerHighway Cargo TankerEmergency Response NonEmergency Response Non--SpecSpec
Highway Cargo TankerHighway Cargo TankerEmergency ResponseEmergency Response
Highway Cargo TankerHighway Cargo TankerEmergency Response NonEmergency Response Non--SpecSpec
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Highway Cargo TankerHighway Cargo TankerEmergency Response NonEmergency Response Non--SpecSpec
Bulk Containers Bulk Containers -- HighwayHighway
Asphalt Trailer (NonAsphalt Trailer (Non--Specification)Specification)
Bulk Containers Bulk Containers -- HighwayHighway
Asphalt Trailer (NonAsphalt Trailer (Non--Specification)Specification)
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Bulk Containers Bulk Containers -- HighwayHighwayAsphalt Trailer (NonAsphalt Trailer (Non--Specification)Specification)
Bulk Containers Bulk Containers -- HighwayHighwayAsphalt Trailer (NonAsphalt Trailer (Non--Specification)Specification)
Thanks for your Interest!Thanks for your Interest!Any Questions???Any Questions???