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THE DOUBLE EDGED SWORD
(and other safety ramblings)
by Steven Grimm
It was on the news several weeks ago. A wastewater plant was cited for
safety violations. Nothing major- inadequate emergency plan, and
insufficient employee training, I believe, but violations still the same.
The news story caught my attention for two reasons. One, I was looking
for something to write about. The other, was the fact that this was the
second or third time this year in my region that a plant was cited for
safety violations. It got me thinking about the double-edged sword of
safety. We all want to be safe and have a safe plant, but how do we
accomplish this?
I remember many instances when I was flushing sewer lines and manholes,
or draining and cleaning a clarifier, when I asked myself "self, is
there a safer way to do this?" I thought, "Maybe I should call OSHA
and get some information, but WAIT… Do I really want to put up a red
flag and open myself and my plant up to a safety inspection?" That
double edged sword. I want to be safe, but those who can help me can
also hurt me. What to do?
We say, "I'll just use common sense." Common sense tells us we
should not enter a manhole or pit or any other confined space alone
or without the proper breathing equipment. But how many of you have
dropped something in a pit and gone down to retrieve it - alone?
My first experience with hydrogen sulfide was while grabbing
effluent samples from a collection manhole on a closed sand filter.
I got in the manhole and couldn't breathe- couldn't inhale-
couldn't exhale. Scared the daylights out of me. I was lucky
to get out. I swore that I would never go down there again
without someone on top watching me (Except when there was no one
available) then I would take a deep breath and hold it while I
went down to collect the samples. Smart, huh? So much for common
sense.
In this era (or error) of one-person operations, it is very easy
to find yourself in a safety-violating situation. While the whole
confined space thing is a major concern and quite serious, it is
just the tip of the iceberg. Have you ever gone swimming at your
plant? I have (not at your plant but at mine). Ask me about it
sometime. Anyway, picture this; you get to work one cold winter
morning, it's just you, everyone else is out plowing snow, you
find the overflow weir on your diffused aeration basin is freezing
over so you carefully creep over to break it up, when SPLASH!!!
Bad day, but it gets worse. Did you know that with diffused air
you don't float? You sink.
Or, you're breaking ice around your clarifier and a chunk gets
wedged in your effluent launder. You climb down to dislodge it, when
OOPS, SPLASH!!! In you go. With any amount of luck you can find
your way back to the surface where you fell through, that is,
of course, as long as you didn't hit your head on the way in.
In either scenario, it doesn't matter because no one is there to
assist you. Bummer.
A bit gruesome, perhaps. An over exaggeration, it can't(won't) happen
to me. Don't bet on it. We put ourselves in these situations more
than we would like to believe. Thankfully, the consequences are
very rarely that dire. Don't push your luck. Don't go it alone.
Back to the double-edged sword. OSHA is not the only source of
safety information. Your local fire and rescue department can
help in identifying problem areas, as well as, offer training
and emergency planning. Or talk to the safety officer at another
industry in your area. Ask questions, get information, and stay
informed. It is better to be cut by the double-edged sword than
to be stabbed by the very thing you are trying to avoid.
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