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On Mon, 31 Jan 2005 17:39:38 -0500, Rob Halgren
wrote: Dan wrote: My question involves the footer. What I'm thinking of at this point is to have post holes drilled around the perimeter at every 4' at about 18" or 2' depth. Then slam some rebar down in there, along with 6" diameter or so steel pipe which will extend 2' above ground level. Will fill the holes and pipe with concrete for a good base, and lay 4X4's across the top of the piping ( or maybe 2x6 with 4x4 on top) to function as the base for the walls. Wall frames to be bolted to this base Does this sound reasonable? Will place concrete blocks between the pipes to fill-in the space, with a stone facing on the exterior. Does this sound like it will be strong enough to support the GH, as well as keep the GH anchored to the ground during windy periods? It will be sheltered on three sides by my home and sizable trees to reduce wind issues. The exposed side will be the south. I don't doubt that it would be strong enough (actually it sounds like substantial overkill), but check with your local building department (if you have one). My township insisted on some pretty unreasonable requirements for my greenhouse. It is best to ask first rather than make expensive alterations. Make sure the footings are below frost level (assuming you get frosts), or they will heave right out of the ground. Here we have to dig to 4 feet deep. Rob Along with twice as big... Make sure it is MUCH TOO TALL. After you hang a basket or two of Ascda or a really tall Cattleya from the ceiling bars you will find yourself ducking. Our gh has a foundation as deep as the house. Outside walls only (no floor) This was then filled with cobbles (melon sized rocks) topped with gravel and eventually when it sunk a board walk was installed. It drains well and holds temp. cooling in the summer and warming in the winter. Holds the humidity up too. Wish I had made it longer and wider. Good luck and Congratulations. SuE http://orchids.legolas.org/gallery/albums.php |
#17
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Good advice, Sue.
The lower the surface-to-volume ratio, the more stable the temperature control will be. -- Ray Barkalow - First Rays Orchids - www.firstrays.com Plants, Supplies, Artwork, Books and Lots of Free Info! "Susan Erickson" wrote in message ... On Mon, 31 Jan 2005 17:39:38 -0500, Rob Halgren wrote: Dan wrote: My question involves the footer. What I'm thinking of at this point is to have post holes drilled around the perimeter at every 4' at about 18" or 2' depth. Then slam some rebar down in there, along with 6" diameter or so steel pipe which will extend 2' above ground level. Will fill the holes and pipe with concrete for a good base, and lay 4X4's across the top of the piping ( or maybe 2x6 with 4x4 on top) to function as the base for the walls. Wall frames to be bolted to this base Does this sound reasonable? Will place concrete blocks between the pipes to fill-in the space, with a stone facing on the exterior. Does this sound like it will be strong enough to support the GH, as well as keep the GH anchored to the ground during windy periods? It will be sheltered on three sides by my home and sizable trees to reduce wind issues. The exposed side will be the south. I don't doubt that it would be strong enough (actually it sounds like substantial overkill), but check with your local building department (if you have one). My township insisted on some pretty unreasonable requirements for my greenhouse. It is best to ask first rather than make expensive alterations. Make sure the footings are below frost level (assuming you get frosts), or they will heave right out of the ground. Here we have to dig to 4 feet deep. Rob Along with twice as big... Make sure it is MUCH TOO TALL. After you hang a basket or two of Ascda or a really tall Cattleya from the ceiling bars you will find yourself ducking. Our gh has a foundation as deep as the house. Outside walls only (no floor) This was then filled with cobbles (melon sized rocks) topped with gravel and eventually when it sunk a board walk was installed. It drains well and holds temp. cooling in the summer and warming in the winter. Holds the humidity up too. Wish I had made it longer and wider. Good luck and Congratulations. SuE http://orchids.legolas.org/gallery/albums.php |
#18
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Thanks to Ray/Rob/Sue! Overkill is better than the reverse, so I suppose
we're on the right track. Frost line is negligible, with night freezes almost always followed by 40 degree+ daytime temps. Onward I go! Need to build this before the neighboring city finalizes their annexation of my home! Thank You! Thank You! I'll be back. Dan... |
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