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Posted by jloomis on August 29, 2007, 8:28 pm
Thanks for your information.
There are a lot of problems with this situation.
One is that this is a trailer park with little or no room.
The water is used by the residents.
The tank leaks like a sieve.......
The side are longer than the bottom..........
A foundation would need to be built that would support the floor and let the
side hang down.
The soil is compromised........
The best thisng to do is build a foundation elsewhere and put new tanks on
it.....Plastic.......
Anyway........the owner realizes the situation and his Dad put this in 24
years ago on post and beam.......4x6.......on earth.......
It is not a simple fix.
jloomis Mendocino County
>> I looked at a 16 ft. diameter, 45 ft circumference and 10 ft. height for
>> an
>> existing Redwood Water Tank.
>> It is full of water.........
>> It is supported underneath by 4x6 and posts about everywhere.
>> The foundation is faulty, the water is necessary for the Trailer Park and
>> the owner wants me to pour a concrete slab under
>> that..............tank......
>> There is no room to speak of, lifting the tank is out of the question, a
>> decent footing, and steel in a slab would be impossible to do.
>> The tank leaks also...........
>> What does the owner think?
>> The ground under the tank is wet and soggy.........
>> You cannot crawl under it.
>> The tank also has sides that go down past the floor. The floor is keyed
>> into the wall. Steel straps support the sides of the tank.
>> What does a guy do?
>> You cannot drain the tank...........hum?
>> any ideas?
>> jloomis
>
> jloomis-
>
> You've got a tough one there. Owner / situation is placing so many
> constraints on the system that is will be close to impossible to fix
> it properly.
>
> As Andy said, you've got ~15,000 gallons ~125,000 lbs of water & my
> estimate ~ 6,000 lbs of water logged tank.
>
> The leaking tank has caused the soil to fail. You need a redwood tank
> expert (is the tank in Northern Cal? Mendo?) My suggestion would be
> to try to stop the leaks OR collect the leaking water & channel (or
> pump) it away so the soil can dry out.
>
> It's going to be very difficult to deal with the soil while its
> soggy.
>
> Andy's suggestion of the temp water system / tank is the way to go.
>
> Get the leaks under control, let the local soil dry out (trench & pump
> or drain). Consider a new slab very nearby (if the soil is dry
> enough). Build a new slab, crane the tank onto the new slab & refill
> it. Fix the leaks (tighen straps as you go) or just properly deal
> with the leakage water.....are be talking about gallons per minute or
> gallons per day?
>
> If you can pour a new slab you'll only have to crane the tank once.
> If the tank has to wind up back in the same place you'll need two
> crane visits. :(
>
> A 16' x 16' (min) concrete slab of decent thickness (& the dry soil
> under it) will easily support the full tank but with saturated soil
> you'll always be in trouble.
>
> You need a decent foundation with a provision to handle any potential
> water leaks, like a curb & a sump or drainage channel depending on the
> relative elevations of things.
>
> That redwood tank should be very forgiving of repositioning, it wood &
> wet.
>
> Maybe the owner should consider selling the redwood & using the $'s to
> buy a new plastic or metal tank. It's most likely old growth r/
> w...worth a fair amount for sliding & trim.
>
> This is relatively simple job IF the owner allows you some wiggle
> room.
>
> cheers
> Bob
>
>
>
>
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