A couple questions about installing pond liner with a bridge...


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Here are some pictures of my pond because it is not your typical. This used to be a pond a while ago and it no longer holds water because of the many cracks in the concrete walls/bottom. I am starting to clean up the area around it and working on cleaning the the pond itself too. The next step would be the liner and this is where my problem arises. As you can see in the pictures there is a bridge going over the pond.

My question is, how do I go about installing a pond liner in this situation? I was planning having the liner lay over the top edge of the pond and then put a layer of bricks on top all the way around. But how do i go about under the bridge?

I also planned on putting a layer of sand on the bottom as well. Will be putting fish in here.

Any advice/help is welcomed! Thanks in advance

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I hate to say this to you but because of the rounded support that makes the project very difficult. unless you plan to keep the water level to be 2 feet down from the top. Now there is an advantage to this in that if the water is down 2 feet from the top of grade then blue heron and white egrets don't stand a chance in grabbing a free meal. but not many want to look down into a hole just to avoid birds but it works
 
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I hate to say this to you but because of the rounded support that makes the project very difficult. unless you plan to keep the water level to be 2 feet down from the top. Now there is an advantage to this in that if the water is down 2 feet from the top of grade then blue heron and white egrets don't stand a chance in grabbing a free meal. but not many want to look down into a hole just to avoid birds but it works
What if I cut the liner around the rounded support and then use some sort of binder/glue to secure?
 
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NOT an easy seal in any way shape or form. If you used an epoxy or even a rubber bonding caulking and then applied a termination strip/ a metal/ stanless steel band where use screw into the concrete to help insure it didn't peal away . My choice would be to remove the bridge and make a nice wood bridge.
 

addy1

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Neat rock work! The only other thing that might work would be to have it sealed, no expert here at all, by somebody that would coat the concrete and rock walls with a sealant. Sort of like a rubber truck liner that they spray in.
 
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They do make custom drop in liners, but pricey. Love your stone work !
Thank you! It is not my stone work though. Drop in is not a route I am looking at. Pretty set on the liner, just gotta make it work somehow
 
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Neat rock work! The only other thing that might work would be to have it sealed, no expert here at all, by somebody that would coat the concrete and rock walls with a sealant. Sort of like a rubber truck liner that they spray in.
Any sealants that you know of?
 
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if your dead Set on the bridge another option would be to temp support the bridge preferably one side at a time cut the round down angle I don't know the correct name but they are more then likely structural. slip the rubber in then build piers down to the concrete deck. but to insure it all works is id advise a footing and not trust the old concrete once thats stable you can pinch the rubber between two layers of fabric.
 
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can you tell if the bridge is locked into the concrete sides or just sitting on the sides .I have seen bridges like that jacked up in Johnson park in NJ .Where it was connected they used a construction saw to cut it and then built a whole support under the bridge out of wood and used several jacks and people to slowly lift it up until they could fix the supporting columns under it as they were sinking .It was near where we used to go feed the animals and it was an interesting project .My oldest son was 8 at the time and that was back in the early 80's and it is still standing strong .I am sure they used an engineer to figure it all out and was probably not cheap
 

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I know my dads basement they used hydraulic cement to fix several cracks in the basement wall and then sealed everything so it would not leak .
 
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First I have to say, as a lover of stonework, that this is a stunning pond and bridge...Some one spent hours and hours creating that and you can see the love that they put into it. My back hurts just thinking of it....

Why won't you entertain having it pointed and sealed? Can't someone who forms pools do that? I have seen a lot of ponds made out of old swimming pools but yours is not ordinary...It's EXTRAORDINARY...That's just my two cents:)
 
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First I have to say, as a lover of stonework, that this is a stunning pond and bridge...Some one spent hours and hours creating that and you can see the love that they put into it. My back hurts just thinking of it....

Why won't you entertain having it pointed and sealed? Can't someone who forms pools do that? I have seen a lot of ponds made out of old swimming pools but yours is not ordinary...It's EXTRAORDINARY...That's just my two cents:)
I am also a lover of stonework. We live on a couple acre property and the previous owner had built manyyyyy different things all over the property. You can kind of see in the background of the first picture a stone "booth". Thats just one thing for example.

I am trying to keep my budget as low as possible. Not quite sure hiring someone to do anything will be feasible. If it is cheap than theres a chance.
 
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Then GBBUDD's idea is what I would entertain...An aluminum strip (black) screwed into the masonry holding up the liner (adhesive first of course:) I think that would be the cheapest way to go but I would consult a pool professional for advice....Don't they line cement pools that have cracked badly? Just to make sure you use the right adhesive, ect...
 
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(slow day for stay at home work)

As others note... the stone is a highlight of the pond and if you wrap your liner over it at the top and then cap it with brick... due to the bridge.. you will have a huge amount of exposed liner covering it all up. Here's my diagram and imagery of what you could do ... lots of work this way. This route will give you a PVC wood ledger around the pond at the water's surface and you won't see the liner at all.

Do note... you would want to get the pure PVC wood... not the composite wood since it has real wood fibers mixed in with the plastic. You can get the PVC boards in different colors too.

The basic idea is to first put up a ledger all around the top of the poured wall as well as slightly on the underside of your bridge. Then you would add in the liner. This will be a feat by itself because of the bridge. (make sure you have many people over for this part to help, pole camps, etc). Fill the pond in stages in order to push the liner out while you make your very well planned and spaced folds. You don't want folds on top of folds on the ledger. Secure the liner to the ledger with stainless staples or large head stainless nails or screws enough to keep it up. Once the pond is filled, the water pressure will hold the liner outward completely.

The last part is to add a second "rabbited" fascia board that gets secured over the liner and the original ledger. This would be made of two pieces, the outer thin fascia board.. and then a backer to fill the space at the top.

LOTS of work!!!!!

What's your plans on dealing with overflow? filtration?
 

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(slow day for stay at home work)

As others note... the stone is a highlight of the pond and if you wrap your liner over it at the top and then cap it with brick... due to the bridge.. you will have a huge amount of exposed liner covering it all up. Here's my diagram and imagery of what you could do ... lots of work this way. This route will give you a PVC wood ledger around the pond at the water's surface and you won't see the liner at all.

Do note... you would want to get the pure PVC wood... not the composite wood since it has real wood fibers mixed in with the plastic. You can get the PVC boards in different colors too.

The basic idea is to first put up a ledger all around the top of the poured wall as well as slightly on the underside of your bridge. Then you would add in the liner. This will be a feat by itself because of the bridge. (make sure you have many people over for this part to help, pole camps, etc). Fill the pond in stages in order to push the liner out while you make your very well planned and spaced folds. You don't want folds on top of folds on the ledger. Secure the liner to the ledger with stainless staples or large head stainless nails or screws enough to keep it up. Once the pond is filled, the water pressure will hold the liner outward completely.

The last part is to add a second "rabbited" fascia board that gets secured over the liner and the original ledger. This would be made of two pieces, the outer thin fascia board.. and then a backer to fill the space at the top.

LOTS of work!!!!!

What's your plans on dealing with overflow? filtration?
To say I‘m impressed is an understatement Nevermore44...you have undoubtedly solved jsizzle‘s problem in the least expensive way.
 
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I would patch those cracks with hydraulic cement. Chisel out those cracks in a "V" shape, with the wide part inside so when the cement sets up, it will be shaped like a wedge and won't fall out. Before you do the cement, hit it with a power washer to reallly clean it out good and dampen the surface in preparation of the cement. You want the old cement dampened. If it's too dry it might suck all the moisture out of the new cement too quickly causing cracks. There is a white milky looking liquid latex that you can paint on before the cement. It's basically a primer of sorts. It creates a sticky surface for the new cement to adhere to.
For extra insurance, you may want to coat the patches with that brush on pond liner. It might get too expensive to coat the whole pond, but that's up to you.
 

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