SF6 Transporation and Safety

8/9/2019 SF6 Transporation and Safety

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SFSF66 Handling Safety &Handling Safety &

TransportationTransportation

Eric CampbellEric Campbell

DILO Company, Inc.DILO Company, Inc.

11642 Pyramid Drive11642 Pyramid Drive

Odessa, FL 33556Odessa, FL 33556(727) 376(727) 376--55935593


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11/24/2003 DILO Company, Inc. 2

SFSF66 isis

Environmentally damagingEnvironmentally damaging1 lb. of SF1 lb. of SF66 = 11 TONS of CO= 11 TONS of CO22

Easily contained & cleanedEasily contained & cleaned

Indefinitely reusableIndefinitely reusable


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Pure SFPure SF66 isis

NonNon--toxictoxic InertInert

Completely safeCompletely safe

AsphyxiationAsphyxiation

FrostbiteFrostbite


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Faulted SFFaulted SF66 isis

Gas exposed to >300FGas exposed to >300F Breaker operationBreaker operation

Internal fault/flashInternal fault/flash--overover

Can contain toxic & poisonous gasesCan contain toxic & poisonous gases

SS22FF1010 main component to nerve gasmain component to nerve gas High concentrations of HF & SOHigh concentrations of HF & SO22

Gas can be faulted outside of a breakerGas can be faulted outside of a breaker

SmokingSmoking

HeatersHeaters WeldingWelding

Vehicle running at idleVehicle running at idle


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Protective EquipmentProtective Equipment

Depends on the size of the equipmentDepends on the size of the equipment

FullFull--face respirator w/acid vapor cartridgesface respirator w/acid vapor cartridges

Gloves to cover exposed skinGloves to cover exposed skin

If full entry, Tyvek body suitsIf full entry, Tyvek body suits

HEPA vacuum to remove any visible powderHEPA vacuum to remove any visible powder

Neutralizing solution for accidental exposureNeutralizing solution for accidental exposure

Any alkaline solution (i.e. baking soda & water)Any alkaline solution (i.e. baking soda & water)


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ProcedureProcedure

After gas removal, equalizeAfter gas removal, equalizeUsing dry air/NUsing dry air/N22

Immediately vacuum powderImmediately vacuum powder

Replace desiccantReplace desiccant

Keep desiccant freshKeep desiccant fresh


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Cylinder HandlingCylinder Handling

Avoid overAvoid over--fillingfilling

Verify that cylinders have tare weightsVerify that cylinders have tare weights

Separate cylindersSeparate cylindersKeep full & empties far apartKeep full & empties far apart

Start a partial rackStart a partial rack

Weigh all cylinders for contentWeigh all cylinders for content


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Pressure issuesPressure issues

Breakers are under pressureBreakers are under pressurePressure extends to top of bushingsPressure extends to top of bushings

Bushings are typically made of glassBushings are typically made of glass

Protect bushing when working on themProtect bushing when working on them

DeDe--pressurize when moving breakerpressurize when moving breaker

Verify that pressure is 0 psig beforeVerify that pressure is 0 psig before

openingopening


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Federal DOT RequirementsFederal DOT Requirements

SFSF66 is a DOT classified hazardousis a DOT classified hazardousmaterialmaterial

All weight limits are aggregate;All weight limits are aggregate;

Weight of cylinder and cap mustWeight of cylinder and cap musti n c l u d e di n c l u d e d in totalin total

Severe penalties for knowinglySevere penalties for knowingly

avoiding complianceavoiding complianceUp to 5yrs in prisonUp to 5yrs in prisonUp to $27,500 in finesUp to $27,500 in fines


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SFSF66 may only be transported inmay only be transported inDOT approved containers atDOT approved containers at

pressures greater than 25PSIGpressures greater than 25PSIG

@ 68F@ 68F Cylinders are the ONLY DOTCylinders are the ONLY DOT

approved containerapproved container


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Materials of Trade ExemptionMaterials of Trade Exemption Allows for up to 220lbs. Of hazardous material toAllows for up to 220lbs. Of hazardous material to

be transported without documentationbe transported without documentation

>220 lbs. but 220 lbs. but 1001 lbs. considered bulk transportation>1001 lbs. considered bulk transportation

In addition to MSDS & Shipping manifest;In addition to MSDS & Shipping manifest;

Driver must carryDriver must carry HazMatHazMat endorsementendorsement

Vehicle must be placarded (Class 2.2, UN1080)Vehicle must be placarded (Class 2.2, UN1080)


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Filling CylindersFilling Cylinders

Anyone can fill a cylinderAnyone can fill a cylinder

DOT requirements:DOT requirements:

Only cylinder owner can fillOnly cylinder owner can fill Hydrostatic test date must be currentHydrostatic test date must be current

5 years from last stamped date (i.e. 10/93)5 years from last stamped date (i.e. 10/93)

With a star (*), 10 yearsWith a star (*), 10 years

For steel 115lb. bottles:For steel 115lb. bottles:

Tare weight = fill weight (1:1)Tare weight = fill weight (1:1)


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SummarySummarySFSF66 isis

Indefinitely reusableIndefinitely reusable Environmentally damagingEnvironmentally damaging

Safe for operator when newSafe for operator when new

Dangerous when faultedDangerous when faultedrequires PPErequires PPE Faulted around open flame or heatFaulted around open flame or heat

Under pressureUnder pressure

Strictly DOT regulated as a hazmatStrictly DOT regulated as a hazmat Easily consolidated into cylindersEasily consolidated into cylinders

SF6 Transporation and Safety

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