Environmental Engineering Reference
In-Depth Information
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6.. All.stairway.parts.must.be.free.of.dangerous.projections.such.as.protruding.
nails.
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7.. Slippery.conditions.on.stairways.must.be.corrected.
Extreme. care. must. be. taken. by. workers. when. ascending. and. descending. a. set.
of.stairs..Many.serious.injuries.and.even.fatalities.occur.when.workers.slip.and.fall.
on.stairways.
storAge (29 cFr 1910.176)
Stored.materials.stacked.in.tiers.must.be.stacked,.blocked,.interlocked,.and.limited.
in. height. so. that. they. are. secure. against. sliding. or. collapse. (see. Figure 25.22)..
Storage. areas. must. be. kept. free. from. accumulation. of. materials. that. constitute.
.hazards.from.tripping,.ire,.explosion,.or.pest.harborage..Vegetation.control.must.be.
exercised.when.necessary..Where.mechanical.handling.equipment.is.used,.suficient.
safe.clearance.must.be.allowed.for.aisles,.at.loading.docks,.through.doorways,.and.
whenever.turns.or.passage.must.be.made.
tAnks, oPen-surFAce (29 cFr 1910.94)
All.employees.working.in.and.around.open-surface.tank.operations.must.be.instructed.
as.to.the.hazards.of.their.respective.jobs.and.in.the.personal.protection.and.irst-aid.
procedures.applicable.to.these.hazards.
On. open-surface. tanks. where. ventilation. is. used. to. control. potential. exposure.
to. employees,. ventilation. must. be. adequate. to. reduce. the. concentration. of. the. air.
FIgure 25.22
Example.of.adequately.stacked.materials.
