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#1
12-30-2006, 04:49 AM
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Well I have a 315 Gal system sitting in my kitchen do the math on that
One 265 Gal tank 500 lbs stand Cap and sump 200 lbs Live rock 250 lbs Live sand 200 lbs plumbing pumps and Mis. 150 lbs and last but not least 315 gallons of water 3150 lbs for a grand total of 4450 lbs Yes 4450 pounds on a second floor I did reinforce the floor since the floor joist run the length of the tank so all the weight is sitting on 2 floor joist this is about the samr as standing a large family car on its end in the kitchen I was alittle nervous at first every time my cell phone rang while I was at work I would start sweating but one year later and still no problem 
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#2
12-30-2006, 06:12 AM
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Common sense and rudimentary (very rudimentary in my case) knowledge of structures dictates the following points to minimize the bizarre occuring:
1. Spread out the weight of the tank using a plywood bottom on the stand, for example. 2. Place the tank against a load bearing wall where the structure is the strongest and NOT in the middle of a room. 3. Place the tank perpendicular to the floor joists and NOT parallel to a single joist. 4. Actually have a looksee with an engineering type at the underlying structure. Just because you've got an old house doesn't automatically mean it will be in poorer shape than a newer house.
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#3
12-30-2006, 06:33 AM
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#4
12-30-2006, 07:04 AM
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Excellent read.
__________________
If you see it, can take care of it, better get it or put it on hold. Otherwise, it'll be gone & you'll regret it!
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#5
12-30-2006, 07:43 AM
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lol - uh, that's the same article I posted on page one :P
Although much more nicely formatted here! And I like the visual aids ^_^
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#6
12-30-2006, 08:56 AM
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It all comes down to pounds per square foot that is being exerted on the floor....If its a wooden floor with the joists running parallel with the tank- you would be applying your weight over two joists...you might get some flex depending on where your main support walls are located.
I have a 180 upstairs that spans five 2x12 joists that run perpendicular to the length of the tank and the tank runs parallel to the support beam that is 4 ft away....my tank etc. weighs approx. 2300 lbs....the key is that the stand has solid wood over the entire bottom so the weight is evenly distributed (psf is spread over a 6x2 area) I would have more stress if my stand was on 4 or 6 legs. YOUR TANK IS OK..There is also no extra bracing or extra joists laid out for fridges,cabinets etc when houses are built, they are designed as a 'support system' for the entire structure.
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180g tank(6x2x2) w/170lbs LR, 2-250W 1-400W Halides, 2-3ft t5 Actinics,H&S 1260 200 Skimmer, 1-Tunze 6000stream w/controller, 1-6060stream, 70g sump, 30g refugium Neptune controller, Sequence Hammerhead inline return, Lifeguard 25W UV, 1-Tunze osmolator, 1-Tunze wavebox, 1/4Hp Pacific Coast chiller, MarineTech calcium reactor Last edited by Mike Olson; 12-30-2006 at 08:58 AM.
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