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    Results 21 to 40 of 60

    Thread: Pond cover 40' x 19'

    1. #21
      Paul Sabucchi's Avatar
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      There is definitely an autumnal chill in the air so I better pull my socks up and get this cover done. Pond temperature around 56f, fish still having nibbles of food.
      Most of the materials for the cover are in place, I have cut to size and shape the box steel to make the joints, just need to weld the bits together - if Amazon can deliver my new welder.
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    2. #22
      One Poet's Garden's Avatar
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      Paul,

      I can't wait to watch the process. How much will the whole thing weigh?

      Best,

      Bill

    3. #23
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      Quote Originally Posted by One Poet's Garden View Post
      Paul,

      I can't wait to watch the process. How much will the whole thing weigh?

      Best,

      Bill
      Hi Bill,
      I would expect the finished frame to weigh a ton, at least figuratively. There will be 9 of those box brackets to hold together 21 4"x4" beams... I am planning on fixing the box brackets on the 3 ridge beams then slide them in from the short sides and gradually fit the "legs" in as I go. The legs will have wheels so the structures can be then rolled to their proper spot.
      Do you think it would be worthy of an "ACME" logo?
      Ciao from Italy
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    4. #24
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      Quote Originally Posted by Paul Sabucchi View Post
      Do you think it would be worthy of an "ACME" logo?
      Well, heck. Why not? I found a few. First vote goes to the anvil:

      .

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      .

      Dynamite's always popular:

      .

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      ,

      This might be the best one:

      .


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      .

      There's even one for another member:

      .

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      .

      By the way, I thought I was well read in roadrunner lore. Turns out I was completely ignorant. I never knew, until today, that ACME is an acronym!

      It stands for A Company (that) Makes Everything! Who knew?

      Best,

      Bill
      Last edited by One Poet's Garden; 11-04-2021 at 03:09 PM.

    5. #25
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      Great trivia Bill!
      The new welder has arrived, I had my doubts as deliveries in this area now directly by Amazon rather than the national courriers and as we live in the boonies (by metropolitan standards) the address is not easy to find. Would be easier if Amazon would allow the customer to put a pin on their mapping. I will try to start welding tomorrow, I have one spare set of pieces to practice on...
      Last edited by Paul Sabucchi; 11-04-2021 at 03:52 PM.

    6. #26
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      We have a greenhouse type structure over our pond for winter and it works very well. Even with heavy snowfalls and very cold temperatures the water never has any ice on it. There is no additional heat, just a layer of 6 mil plastic with a layer of solar cover over that. The structure is large enough that we can go inside and enjoy the pond.

      But it's very humid and wet inside from the condensation on the plastic and it constantly drips water in there like a light rain all the time. I would be concerned about using heaters in there if they can't be continuously wet.

    7. #27
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      Quote Originally Posted by Overwhelmed View Post
      We have a greenhouse type structure over our pond for winter and it works very well. Even with heavy snowfalls and very cold temperatures the water never has any ice on it. There is no additional heat, just a layer of 6 mil plastic with a layer of solar cover over that. The structure is large enough that we can go inside and enjoy the pond.

      But it's very humid and wet inside from the condensation on the plastic and it constantly drips water in there like a light rain all the time. I would be concerned about using heaters in there if they can't be continuously wet.
      Good to know, thank you for the info. My cover will be low (to avoid getting blown all the way to Croatia) so no concern about me getting soaked, though I have been considering to somehow put some folds in the cover so to make the drops fall back in the pond rather than dribble all the way down over the edges of the pond.
      The heaters I am considering are all for green-house use, I would try and protect them from the worst of the deluge and the whole of the pond electrics are on a dedicated RCD, still worried a bit about using electric heaters in there though.
      The new welder arrived yesterday but I did not get anything done as I had to go to pick up another rescue from the dog pound the other side of the mountain in L'Aquila. She is a kind of not purebred Maremma sheepdog as unfortunately there are many without a home, she is maybe 3 years old and has spent the summer following tourists up and down the mountain but now that the tourists have dried up she is wondering further and has been picked up and handed over to the police who got the ministry vets involved. Over here there is a no euthanasia law but still she would probably spend the rest of her life in a kennel - so she is going to be better off with us. As someone said: I can't save them all but I will save this one (and that one...and that other one...) Here is Bianca at the back with Ray in the foregrond, I got him off a rubbish dump about 3 months ago
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      Last edited by Paul Sabucchi; 11-05-2021 at 02:58 PM.

    8. #28
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      At long last I have finished welding the joints, my welds are ugly as sin but should be plenty strong enough. Will spray all the welds with primer/rustproof, thinking if I should paint all the metal, something like rustoleum?.
      Hopefully will start to go up in the next few days
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    9. #29
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      With your extreme wet snow loads I wonder if reinforcement is needed on these?
      The real Batman wears polyester! Don't be fooled by the plastic imposter.

    10. #30
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      Quote Originally Posted by batman View Post
      With your extreme wet snow loads I wonder if reinforcement is needed on these?
      Was wondering the same thing myself, should I weld gussets/braces? I think the joints will be sturdy enough on their own as long as I have a way to avoid the "legs" from splaying under heavy load, then the strain would be mostly in compression, options are:
      A) plant stakes in the ground by the end of each leg and fasten them.
      B) put a tension wire to tie together the end of each leg to the opposite one.
      I would probably go for A) as it would firmly secure the whole structure to the ground and would not have 9 low wires going across the pond.
      I suppose there could be also an option
      C) a collar beam joining two opposing legs half way down.
      Advice as always most welcome

    11. #31
      One Poet's Garden's Avatar
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      Quote Originally Posted by Paul Sabucchi View Post
      Advice as always most welcome
      Dude, are you sure you're not overthinking this one? After all, these are the Apennines, not the snowy Himalayas! I mean, I get it, we had 3 1/2 feet of snow here in DC a few years ago. But most winters aren't anything near that, and besides, it looks like what you have already would hold up to that. And that steel is already so heavy it's unlikely to get airborne without a tornado!

      Do you have a place where you can set the thing up temporarily, and then get some local teenagers to jump up and down on it, as a stress test? I mention this because #4 son was home from medical school the other day, and I was building a propagation bench in the greenhouse. It had to hold 800 pounds of wet sand. In bygone days, when I'd be building something, part of the process was to call Daniel over, and get him to jump up and down on whatever it was. We called it The Daniel Test. That propagation bench would have passed... and so, I suspect, would your structure ... without any additional devices!

      Best,

      Bill

    12. #32
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      3 feet of wet snow for the size of pond is over 45,000 pounds. The slope looks kind of low for snow to easily slide off on it's own. Constant attention on snow removal will be needed during bad storms.

      Some cables connecting the bottom are a big plus. I'd reinforce the brackets. Thin tube is difficult to weld. I struggle myself and compensate by adding reinforcement.

      For something like this you design for the worst case and not the 364 days it isn't going to happen.Name:  Screenshot_20211123-124327_Chrome.jpg
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      Last edited by batman; 11-23-2021 at 08:20 PM.
      The real Batman wears polyester! Don't be fooled by the plastic imposter.

    13. #33
      Paul Sabucchi's Avatar
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      Thank you for the advice, might well go for the "belt and braces" approach then. Will get some smaller rectangular section box steel and weld those braces

    14. #34
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      It might be easier to cut, clamp and weld 1/2 inch wide flat stock to each side.

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      The real Batman wears polyester! Don't be fooled by the plastic imposter.

    15. #35
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      Quote Originally Posted by batman View Post
      It might be easier to cut, clamp and weld 1/2 inch wide flat stock to each side.

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      As suggested...I listened to your tip, this one is just tacked but working my way through welding the lot.
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      Last edited by Paul Sabucchi; 11-25-2021 at 12:14 PM.

    16. #36
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      So I finished welding the braces, on one side of the two end brackets and on both sides of the other seven. I sprayed all the welds with rust-block primer and painted with rusproof paint (apologies for the blurry photo, did not notice until it was dark so can't take another). As I will need to put screws to fasten the wood beams in the brackets I might as well put them through the stress-points for further reinforcement.
      Talking of wood beams, they are untreated so I was wondering if I should put some stain. The one I have does contain Methylisothiazolinone and, although I gather this substance is used in many household and skincare products, there is evidence it is not too good for fish (at least for trout) so should I better ab-stain ?
      Maybe wait untill I dismantle the structure next spring then paint it on and leave to weather over next summer and autumn?
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      Last edited by Paul Sabucchi; 11-27-2021 at 01:22 PM.

    17. #37
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      Finally starting to put the bits together, got all the brackets all spaced out (139cm or just under 55" gap) and screwed to the ridge beam, four 6x100mm on the underside of each bracket, through where gravity would put most strain on the welds. The "legs" will also have the same screws to secure them going through the braces.
      The ridge beams/brackets are so heavy I can just about manage to lift them (and I am quite a burly bloke) so I hope I can put the whole thing together on my own and then dismantle it every few months.
      It may take until Wednesday before I can tinker some more with the frame as tomorrow morning I have been called to help a friend with a bit of orthopaedic surgery on a young cat and in the afternoon I am taking the car to swap to winter tires
      https://youtu.be/JWzvMQ2dvyY
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    18. #38
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      Got the central span up, started raining again so having to stop again...
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    19. #39
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      Holy smokes! There are wheels and everything!

    20. #40
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      Quote Originally Posted by One Poet's Garden View Post
      Holy smokes! There are wheels and everything!
      Yup, so I can assemble it bit by bit just the pond side of the fence and then roll it into place. No other way I could do it all myself otherwise.
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      Last edited by Paul Sabucchi; 12-02-2021 at 06:14 PM.

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