mwea manhole safety 9-09
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SAFETY
Presented by Gary J. Timmer
United Water - September 2009
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Manhole SafetyWhat are thehazards?
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Hazards Associated with Manholes
FALL
ATMOSPHERICWORKZONE
HAZARDS
LIFTINGENGULFMANT
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Fall Hazards From the Surface
Falling In a Manhole from the surface ean ng over
Ice
Mud
Rain
Knocked in by
Equipment
Tripping
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Thieves Around the U.S. Stealing
Manhole CoversJuly 8, 2008 Earth First
A sign of true desperation: with the U.S. economy sagging, people have started resorting tostealing manhole covers to sell as scrap metal. The price of metal has skyrocketed lately, so
thieves around the country have started stealing the 200-lb covers by the hundreds. Funnything is, for all the effort it likely takes to haul off an iron manhole cover, you can only get$10-$15 each for them.
Its a sign of the times, says Sgt. Jay Baker of the Cherokee County Sheriffs Office inGeorgia, where 28 manhole covers disappeared in April and May. When the economy gets
bad, people start stealing iron. Long Beach has lost more than 80 covers this year. People who have damaged their cars
driving over manholes have filed claims with the city, Alsop says.
Our No. 1 concern is safety, he says. A small kid can fall into these holes, which can be 20feet deep.
Hey, I guess meth heads gotta get their fix somehow! Seriously though, whats next? Theyrestealing copper wire off construction sites, catalytic converters straight from parked cars allover the place, and now manhole covers. Should I be locking down my metal patio set?
Link [USA Today]
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Fall Hazard Protection
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Fall Hazards - Falls While Entering or
ExitinUse Fall Protection
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Fall Protection Portable Guard Rails
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Atmospheric Hazards
Oxygen deficient
Toxics
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Atmospheric Hazards When should we
be concerned?Check for Hazards before
Gas can be trapped
Often gasses follow thepipes to manhole
structures in the manhole
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Atmospheric Hazards When should we
be concerned?How do you open a
man o e coverewith asphalt?
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Manhole Liftin Safet
This is betterthan a shoveland screw
driver!
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Manhole Lifting Safety
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Manhole Lifting Safety
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Manhole Lifting Safety
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Manhole Lifting Safety
Non Magnetic
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Engulfment Hazards
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How well do you know your system?
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Sometimes you are better off to dig up a
blocka e
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Insert Plugs upstream of the entry
Make sure plugs fit
downstream side because theycan blow out!
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Use the righttoo or t ejob
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Dont become a plug!
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Traffic Safety
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Close the Road if Needed!
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Adjust Work Schedules Around Rush Hour
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Space Vehicles to absorb impact
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Beware of the DUI!
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QUESTIONS?
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