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Gues what and did it work?

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PekkaNF:
No chance for silicosis, I was wearing a mask all the time and pretty good one. I also made room a little underpressure to prevent dust from spreading all over the house. There was quite a bit of cleaning left, but on completely empty and clean room it was just some work and no drama.

The problem was that the hood did not contain the high velocity particles, the diamond disc is rotating close to 12000 rpm and it is about 125 mm diameter. It ate trough the plastic shroud no time. It also needs quite a bit of flow.

Lucily it is all done now

Pekka

vtsteam:
In the early 70's a guy I worked with and I were sent down by the crew boss to break up a big cast iron furnace with sledgehammers in the basement of the Jennings mansion house in Bennington. It was covered with asbestos insulation. The dust from it  was so bad once we got going that we could hardly see the bare light bulb in the ceiling. No respirators, I tied my tee shirt around my nose and mouth. That was it. The good old days!

PekkaNF:

--- Quote from: awemawson on May 24, 2015, 04:34:29 PM ---Use one of those hand pump water spray bottles to control the dust - works a treat - spray high and let the water mist settle downwards collecting the dust particles

--- End quote ---

Thank you, I tried that today. I also misted the floor. With better shroud it made all the difference. I ground 5 mm high and 1,5 by 3 metre "hill" away with minimum amount of dust. Marked and ground. Swep. and repeated about five times. It is pretty level now.

Pekka

awemawson:
Excellent  :thumbup:

It's a trick that I learnt when pulling down lath and plaster ceilings in my first house back in 1973  :clap:

Henning:
Just wanted to let you know, Andrew, I used the same trick today to settle the dust from the hammer drills giving my (old) bathroom floor a pretty good beating. Thank you for sharing  :thumbup:

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