Environmental Engineering Reference
In-Depth Information
11
BarrierAnalysis
IntroductIon
The. irst. step. in. most. traditional. accident. prevention. programs. has. been. to. look.
at. information. to. determine. where. the. industry. or. company. appears. to. be. having.
problems..Collecting.and.analyzing.data.is.a.irst.step.in.inding.out.what.is.going.
on,.and.it.makes.good.sense.to.begin.at.this.point..Because.it.prepares.for.the.main.
course. of. analysis,. this. procedure. is. called. a. Preliminary. Data. Analysis. (PDA)..
Two.techniques.for.performing.this.analysis.are.presented.in.this.chapter;.they.are.
the. Physical. Barrier. Analysis. (PBA). and. the. Human. Barrier. Analysis. (HBA). (see.
Figure 11.1)..These.techniques.result.in.two.distinct.considerations:
.
1.. The.thought.process.or.way.of.thinking.about.the.data.to.get.usable.infor-
mation.from.it
.
2.. The.mechanics.of.documenting.the.results.of.that.thinking.in.the.form.of.
organizers,.tally.sheets,.etc.
The. irst. concern,. thinking. about. accidents,. is. a. critical. step. in. the. analysis. of.
accidents.at.any.operation,.whether.it.is.large.or.small,.with.many.or.with.few.acci-
dents.. The. second. concern,. staying. organized. while. working. with. large. amounts.
of.data,.results.in.the.use.of.several.recording.aids.to.keep.track.of.the.products.of.
various. phases. of. the. analysis.. In. an. operation. where. there. are. a. large. number. of.
accidents,.these.tools,.forms,.and.aids.are.a.necessary.part.of.the.analysis.process..
In an.operation.that.has.few.accidents,.where.the.amount.of.data.to.be.analyzed.is.not.
so.overwhelming,.these.organizing.aids.are.probably.not.necessary.
You.can.use.the.PBA.and.HBA.tools.as.appropriate,.but.the.use.of.physical.and.
human.barriers.conceptually.will.provide.you.with.a.different.perspective.on.acci-
dent.causes.and.their.solutions..Using.the.different.perspectives.of.PBA.and.HBA.
helps.to
.
1.. Identify.the.types.of.accidents.as.a.function.of.how.they.can.be.prevented.
.
2.. Begin.to.understand.what.may.be.causing.the.absence.of.or.deiciencies.in.
these.preventive.measures.
From.this.perspective.it.can.be.said.that.industrial.accidents.fall.into.one.of.two.types:
.
1.. Accidents.that.could.have.been.prevented.by.some.type.of.physical.barrier
.
2.. Accidents.that.could.have.been.prevented.by.the.individuals.involved
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