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-   -   help - flooded workshop - what to do??? (http://www.diychatroom.com/f2/help-flooded-workshop-what-do-98024/)

Allthunbs 03-11-2011 10:04 AM

help - flooded workshop - what to do???
 
Ok, here's the rub:

I built the workshop floor slab on compacted 0-3/4. I put the floor level about 2" above the surrounding ground level. In the past 3 weeks we've had about 4 (?) feet of snow with a bit more to come. The problem is that the ground is still frozen, even under the snow. We had a thaw a week or so ago and the water collected under the snow but couldn't escape so it is flowing to the closest lowest point. That is now my workshop floor.

I'm not suffering a lot of damage because everything is on 3" casters but the humidity is very high and I can't vent the workshop without the chance of the water freezing on the floor. I've only got about 1/2" over most of the floor.

Question #1: how to stem the tide temporarily until the thaw is complete and I can dry out the workshop. We've 6' high snow banks all over the place.

Question #2: how to prevent it in the future. I was thinking a dry sump outside the workshop so the water has somewhere to run but I fear that will freeze up too.

Thanks for the help.

oh'mike 03-11-2011 10:39 AM

Jack hammer a hole for a pit---Now! Get the hole deep enough to operate a pump--Put an old piece of ceramic tile in the bottom to keep gravel out of the pump--(until you can get a liner and drains in)

That will get the water out of the shop until the spring thaw---then consider installing outside drain pipe
that will go to the pit---along with a floor drain or two.---Mike--

Allthunbs 03-16-2011 05:14 PM

Quote:

Originally Posted by oh'mike (Post 607279)
Jack hammer a hole for a pit---Now! Get the hole deep enough to operate a pump--Put an old piece of ceramic tile in the bottom to keep gravel out of the pump--(until you can get a liner and drains in)

That will get the water out of the shop until the spring thaw---then consider installing outside drain pipe
that will go to the pit---along with a floor drain or two.---Mike--

Thanks Oh'Mike:

Didn't have a jackhammer so I used a peevee, shovel and a pick. I managed to get a hole about 2' deep and 1' diameter dug. In the spring I'll get a proper drainage well dug and a drain placed around the slab. In the meantime I have a pump installed and operating.

Thanks again.

oh'mike 03-16-2011 05:59 PM

I had to do this myself once.:whistling2:

At least the water is leaving the shop----glad to help.

-----Mike-----

Just Bill 03-17-2011 06:28 AM

Spray everthing that is metal with WD40, keeping moisture out is what it was designed to do.

AllanJ 03-19-2011 07:36 PM

Is the floor dry now?

If the floor is dry or just has a few wet areas on it, then open the doors and windows and admit a roomful of cold outside air. Keep the heaters or heat on and the relative humidity of the air will go down drastically as the air warms up. Have a fan or two on to keep air circulating througout the room. Water on the floor will evaporate more quickly. Repeat.


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