Plans for a 5000+ gallon pond

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dogbert4pres

Feeder Fish
MFK Member
Jun 2, 2009
11
0
0
Urbana, MD
I have a space I am turning into a freshwater ray room. I had originally thought of using a 9x18 4500 gallon Intex pool for the main tank and some smaller 300 gallon ones for pups and breeding recup.

I seem to remember seeing some extremely large above ground ponds, say 15 x 20 feet but I have been unable to find anything other than 8x8, the length of 2x4s or landscape timbers.

I tried Borders to find a book on how to splice in multiple boards per side but have been unable to do so. Searches here and on google have yielded nothing.

At what point do I need to worry. I would like something 10ft x 25 ft and anywhere from say 36" to 48" deep.

Can I use 2x4s or do I need landscape timbers? How to the center/corners keep from blowing out and emptying? Anyone have any plans or pictures of what is needed to do this?

Thanks
 
Is this going in a basement?

If so, the pond can be built into a corner for some support.

Concrete could be an option for walls. Be it block or solid poured walls.

Splicing lumber is a waste of time. LVL's or Glu-Lams will give you the 20' span. They come in standard 7.25 and 9.5" widths with custom sizes up to 13"+ wide. Thickness varies, but a full 2" is common. A search on craiglist, might find a contractor with left overs or lumberyard closing. LVL's running horizontal with timbers as vertcal supports might be plenty solid. Lined with 3/4" or 1" marine grade (expensive but the adhesives used to make MG are super strong) should be pretty dang solid.
 
Muske;4457983; said:
Is this going in a basement?

If so, the pond can be built into a corner for some support.

Concrete could be an option for walls. Be it block or solid poured walls.

Splicing lumber is a waste of time. LVL's or Glu-Lams will give you the 20' span. They come in standard 7.25 and 9.5" widths with custom sizes up to 13"+ wide. Thickness varies, but a full 2" is common. A search on craiglist, might find a contractor with left overs or lumberyard closing. LVL's running horizontal with timbers as vertcal supports might be plenty solid. Lined with 3/4" or 1" marine grade (expensive but the adhesives used to make MG are super strong) should be pretty dang solid.
Click to expand...

How would you join the glu lams at the corners, I assume a welded right angle plate and bolt them through?

I imagine it would not be too much to buy steels and put wood in to the webbing?
 
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