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Replies: 35
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All-TigerNet [12763]
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train drivers question (engineer.net)
Jan 14, 2016, 11:45 AM
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any issue sitting a 2 ton hot tub on a porch like this? (on top of the corrogated steel is a cement slab.)
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All-In [40656]
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Have you tried turning it off and back on?***
Jan 14, 2016, 11:46 AM
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Lot o points [155511]
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Cheese and rice, it's on steel I-beams........
Jan 14, 2016, 11:47 AM
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what kind of fat chicks are you going to be banging to have this concern?
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All-TigerNet [12763]
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lol. just aksin'!
Jan 14, 2016, 11:50 AM
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you never know doe
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Oculus Spirit [78876]
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Yea, I'm HIV positive that I'll never have to worry about
Jan 14, 2016, 11:57 AM
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600 lbs of woman farting and eating and sweating in my hot tub.
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All-TigerNet [12763]
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Re: Yea, I'm HIV positive that I'll never have to worry about
Jan 14, 2016, 12:25 PM
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6 person tub, 5 wimmens + me.
Ohhhh, you mean Uno wimmens. no
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110%er [7980]
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are you asking if its a structural issue?***
Jan 14, 2016, 11:52 AM
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All-TigerNet [12763]
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yes
Jan 14, 2016, 11:55 AM
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while I understand the mechanics involved in putting the tub on the porch (for you smartass jungers), I question whether or not having 2 tons sitting on that corner with a 49sqft footprint will be detrimental to the structure over time.
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110%er [7980]
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you definitely need to hire a licensed structural engineer
Jan 14, 2016, 11:59 AM
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A hot tub's footprint can have up to 300 psf load and most decks are designed for a max of 100 psf but sometimes as low as 40 psf. The steel beams/steel deck and concrete slab may look beefy but there are other things to consider such as connections, posts/columns, and the foundation.
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All-TigerNet [12763]
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This one will be 102psf
Jan 14, 2016, 12:05 PM
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I'm thinking like Obed, but I thought I'd ask. Thanks. Adds another couple hundred to the project!
Message was edited by: CUFOR98®
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Heisman Winner [135415]
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You can actually test the load.
Jan 14, 2016, 12:20 PM
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Drive an Abrams M1 tank up onto the deck and allow it to sit there for a few weeks. Maybe even have a fat kid's birthday party or two on it, so that the little beasts are crawling all over it and bouncing up and down on it. If the deck survives, you should be good with a hot tub.
You can trust me on this...I once pooped in a bathroom in the engineering building at Clemson.
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All-TigerNet [12763]
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Welcome to my world!
Jan 14, 2016, 12:23 PM
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we test until failure and assume the rest of the lot is good. Unfortunately I don't have a "rest of the lot", so....
It would still be cool.
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Oculus Spirit [80915]
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Well, the testing to failure would be cool
Jan 14, 2016, 12:25 PM
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RH Tig pooping in Riggs would not.
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Heisman Winner [135415]
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Whoa, whoa, WHOA.
Jan 14, 2016, 12:39 PM
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I'd like to think my poop was well-received for it's time.
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All-TigerNet [12016]
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Easy load testing suggestion.....
Jan 14, 2016, 8:22 PM
[ in reply to You can actually test the load. ] |
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I know the idea of load testing intimidates most homeowners. After all, who would be thrilled with the prospect of bringing in a couple of tons of sand bags, hauling them all onto your deck, and then removing them afterwards.
In my first installment of "Load Testing Made Easy", I offer the following simple step by step instructions:
1. Have a party. Be sure to invite at least 20 people.
2. Place a scale near your back deck.
3. Chalk off an area the size of your hot tub.
4. Run a string line (with a string level) across the floor of your deck.
5. Weigh each partier prior to leading him/her inside the chalked off square. Start in the center
of the square, and move towards the perimeter.
6. Tally the weight of each person who enters the chalked off square.
7. Once you reach the estimated weight of hot tub plus water, add one additional person.
8. If your deck has not collapsed by this point, you have passed the load test.
9. If the deck starts to sag prior to reaching your target weight, you have failed the load test.
10. If the deck collapses, call your insurance company and attorney immediately.
Next week in Installation Two of this series, we will discuss the topic of:
"Using Obese People for Load Testing: Politically Incorrect?"
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All-TigerNet [12763]
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Your gonna make a hell of a retiree
Jan 14, 2016, 9:06 PM
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Being that is all masonry, failure will likely come without warning. I'll need some disclosure forms or whatever they're called. Lol
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Oculus Spirit [78876]
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How wide is the hot tub?
Jan 14, 2016, 11:56 AM
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It may fall between the beams you have setup.
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Oculus Spirit [85002]
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Two tons is greater than
Jan 14, 2016, 11:58 AM
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3500 psi X 1 in X 1 in.
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All-In [38514]
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Depends on positioning and weight distribution.
Jan 14, 2016, 12:03 PM
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The beams would support it but look to be very wide apart.
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All-TigerNet [12763]
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Yeah, they look to be about 6' apart maybe.
Jan 14, 2016, 12:38 PM
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Can't get under there to add support either.
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Lot o points [155511]
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how many gallons does the hot tub hold?***
Jan 14, 2016, 12:03 PM
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All-TigerNet [12763]
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360, so it's actually about 2.5 tons***
Jan 14, 2016, 12:06 PM
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Lot o points [155511]
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So your water is about 3000 pounds.....I'm no expert, but
Jan 14, 2016, 12:10 PM
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hot tubs aren't usually 1000+ lbs, more like 6-700. Unless you're looking at some specs showing a really heavy hot tub, I'd say you're sub-2 tons.
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All-TigerNet [12763]
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You're right. I was just going by the specs
Jan 14, 2016, 12:29 PM
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They say the tub is 836 dry and 4888 filled. They must be assuming 1/2 ton of ### sitting in it (6 175lb people). Sounds reasonable.
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Oculus Spirit [80915]
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What type of pump is in the hot tub?
Jan 14, 2016, 12:05 PM
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Saline or bromine?
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All-TigerNet [12763]
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undecided***
Jan 14, 2016, 12:07 PM
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Oculus Spirit [78876]
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How many water jets are in the hot tub?***
Jan 14, 2016, 12:06 PM
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All-TigerNet [12763]
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depends on how much this gd structural engineer is guana
Jan 14, 2016, 12:08 PM
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cost!
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Legend [17753]
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The only thing I would be concerned about is the
Jan 14, 2016, 12:07 PM
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poop
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Oculus Spirit [78876]
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Fat chicks poop a lot.***
Jan 14, 2016, 12:07 PM
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All-TigerNet [12763]
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knot in my cottam hot tub***
Jan 14, 2016, 12:38 PM
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Oculus Spirit [75668]
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Hows about just putting it on the ground?***
Jan 14, 2016, 1:04 PM
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All-TigerNet [12016]
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Recommendation....
Jan 14, 2016, 1:17 PM
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I would probably install two short lateral beams between two of the already installed floor joists.
Space the laterals to fit just inside the perimeter of the hot tub.
I'm almost positive you are good to go as is. The pan slab should distribute the load to the beams with no problems. The two laterals, however, will give you full load carrying capability around the perimeter, thus providing additional assistance with load distribution. In addition, the laterals will eliminate any possibilities of the floor joists twisting (or torqueing) under load. Think of it as insurance. If yer foundation is good, this sucker should hold up with no problem.
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All-TigerNet [12763]
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Great idea, and I'd do that if I could but I failed
Jan 14, 2016, 2:14 PM
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To mention that this pic was taken in 2006 and the porch has been completed for 9 years. The crawl space is sealed so I can't get under there.
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All-TigerNet [12270]
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i think i may be seeing leftover materials from a jobsite or
Jan 14, 2016, 8:31 PM
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maybe a returned favor. 
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All-TigerNet [12763]
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I really just want one of you engineers to tell me that
Jan 14, 2016, 9:09 PM
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Flooring systems are rated for like 150+psf. Obed has been the only one to tell me what I want to hear. Lol
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Replies: 35
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50
