Environmental Engineering Reference
In-Depth Information
be.located.outside.an.inside.storage.room.or.storage.cabinet.in.any.one.ire.area.of.a.
building.cannot.exceed
•.
25.gallons.of.Class.IA.liquids.in.containers
•.
120.gallons.of.Class.IB,.IC,.II,.or.III.liquids.in.containers
•.
660.gallons.of.Class.IB,.IC,.II,.or.III.liquids.in.a.single.portable.tank
Flammable. and. combustible. liquids. are. to. be. drawn. from. or. transferred. into.
containers.within.buildings.only.through.a.closed.piping.system,.from.safety.cans,.
by.means.of.a.device.drawing.through.the.top,.or.by.gravity.through.an.approved.
self-closing. valve.. The. transfer. of. liquids. by. means. of. air. pressure. is. prohibited..
No more.than.60.gallons.of.Class.I.or.Class.II.liquids.or.no.more.than.120.gallons.of.
Class.III.liquids.may.be.stored.in.a.storage.cabinet..Inside.storage.rooms.for.lamma-
ble.and.combustible.liquids.must.be.constructed.to.meet.the.required.ire-resistant.
ratings.and.wiring.speciications.for.their.uses.
Outside.storage.areas.must.be.graded.so.as.to.divert.spills.away.from.buildings.
or.other.exposures,.or.be.surrounded.with.curbs.at.least.6.inches.high.with.appropri-
ate.drainage.to.a.safe.location.for.accumulated.liquids..The.areas.shall.be.protected.
against.tampering.or.trespassing,.where.necessary,.and.shall.be.kept.free.of.weeds,.
debris,.and.other.combustible.material.not.necessary.to.their.storage.
Adequate.precautions.must.be.taken.to.prevent.the.ignition.of.lammable.vapors..
Sources.of.ignition.include,.but.are.not.limited.to,.open.lames,.lightning,..smoking,.
cutting.and.welding,.hot.surfaces,.frictional.heat,.static,.electrical.and.mechanical.
sparks,. spontaneous. ignition. (including. heat-producing. chemical. reactions),. and.
radiant.heat.
Class.I.liquids.are.not.to.be.dispensed.into.containers.unless.the.nozzle.and.con-
tainer.are.electrically.interconnected..All.bulk.drums.of.lammable.liquids.are.to.be.
grounded.and.bonded.to.containers.during.dispensing.
FlAmmABle And comBustIBle mAterIAls
Combustible. scrap,. debris,. and. waste. materials. (oily. rags,. etc.). stored. in. covered.
metal.receptacles.must.be.removed.promptly.from.the.worksite..Proper.storage.must.
be. practiced. to. minimize. the. risk. of. ire,. including. spontaneous. combustion.. Fire.
extinguishers.must.be.selected.and.provided.for.the.types.of.materials.in.areas.where.
they.are.to.be.used..“NO.SMOKING”.rules.should.be.enforced.in.areas.involving.the.
storage.and.use.of.hazardous.materials.
Floors [generAl condItIons] (29 cFr 1910.22 And 1920.23)
All.loor.surfaces.must.be.kept.clean,.dry,.and.free.from.protruding.nails,.splinters,.
loose.boards,.holes,.or.projections..Where.wet.processes.are.used,.drainage.must.be.
maintained.and.false.loors,.platforms,.mats,.or.other.dry.standing.places.must.be.
provided.where.practical.
In.every.building.or.other.structure,.or.part.thereof,.used.for.mercantile,..business,.
industrial,. or. storage. purposes,. the. loads. approved. by. the. building. oficial. must.
