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Pond Construction and Pond Build DiariesPost all Pond construction Topics here. If you are starting a new project start your own pond diary.
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Top Poster: markf1fan (4,905)
this weekend ill be starting my new pond, the fish are out and settled in their new tanks, the current pond has been drained off and ill be starting to dig deeper and wider
few things id like your thoughts on
at the side of the pond is a big tree, about 16 meters high maybe more, the tree cant come down. this causes a little problem, the roots are likley to break into the block work so id have pour concrete around them to stop the roots.
ive decided rather then to use block im going to shutter the walls that are under the ground and pour concrete, this way it will save me a few £££ and would be quicker. the wall will be about 6inch thick with steel mesh.
the walls out of the ground will still be block lay flat
another bonus of concreting the lower wall is that i will be able to pond paint straight onto it rather than having to render it like the above wall
sort of lol, ive a lot to do as well as work i have to do on the house, re pointing a whole house takes a lot of time
then theres the £££ involved, the wife is coming to the end of her maternity leave so the pennys have been a bit tight, hence why im trying to save spending on stuff i dont need without compromising the look and functionality of the pond
i did mange to pick up a very large sand filter few weeks back that will be converted to k1, brand new for £50 from ken at elm bank
Looking forward to watching your build, good luck, hope we don't get too much rain for you when digging.
Your a ground worker right?
So you obviously know what your doing when it comes to the building and structural strength. I was just wondering why you are going 6" think below then 9" above? I know the ground below will act as support especially as your pouring concrete so it will be right up against the earth. Just thought if it was 9" below you would have a slightly thicker wall for those roots but also a nice size slab to block straight up off. Just what was going through my head mate.
the 6inch wall with steel should be more than enough to cope with the volume of water behind it plus the ground is good clay so should have very little if any movement in it, dosnt really soak up the water when it rains so swelling and drying out shouldnt be a problem, was planning on using the flat block on top to make sure the upper wall has plenty of muscle to deal with the water, it also helps with the window that im planning on adding as ill have to cut a recess into the inside to take it. as for the roots they should take the easiest route which would be around the walls whether they be 15 inch or 3 inch, i just need to obtain some mesh off site...... ive hidden some already lol
as for the rain there is a fully boarded out canopy above the current pond which is were the new one is going so it can rain all it wants i still wont get wet lol, may need a small sump hole if it starts to run into the dig but i doubt it
Hi faz, sorry if I'm being thick mate, I've been thinking again ( never a good thing as it hurts )
I know your 6" wall should be strong enough, I think what I was trying to ask is,
When you get to ground level with your 6" wide wall are you going to lay your 9" blocks straight on top of the 6" poured concrete wall? Or when you get to ground level are you going to pour a slightly wider concrete ring to lay your 9" blocks on?
Other wise won't the blocks sit over the poured wall by just over 3" ?
If so is that ok as I thought it would need to be the same width as your blocks or wider.
A chain is only as strong as its weakest link kind of thing, meaning the 6" wide point at or just above ground level where your 9" blocks are bonded to the 6" wall, this is where it will give way if its going to, I would have thought, even if the wall was 20" thick above that point
it could still pop at the 6" joining area, at or just above ground level with no additional strengthening.
Cheers mate, I'm just curious.
And make sure they don't find your stash of steel mesh at work