Dbo's 90g

OK, what did you do to brace the floor? Got a pic?

 

You could use jacks, like some people have in their basements.

Or frame in the floor beneath the tank.

 

I would take pics of the bracing but that would mean I have to go in the crawl space. And I'm to lazy for that lol. I used a 2x6 attached to the floor joist then 3 4x4s attached to those cement triangle things [I forgot what there called] then another 2x6 along the floor of the crawl space.
That fixed my shaky floor very well.
I've heard using jacks that they can over time lower a little bit.

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I'm assuming you ran the 2x6 perpendicular to the floor joists.

Not only that but using temporary jacks in a semi-permanent installation is against code. Since I'm in the process of renovating my entire house (me actually doing the work, not paying someone else to do it) the inspector would be in my basement several times. The 1st time he sees temp jacks he would ask for them to be removed (even if it had nothing to do with what he was inspecting as it's always against code and they must rectify that situation). The next time he's in my basement and still sees those jacks, he could fail the inspection. Don't need that BS.

 

I could, but neither option would be the correct way of doing it. Doing it right is more important to me than gittin' it done as I have major renovation work going on in my house. Inspectors seriously frown on homemade solutions that aren't to code.

 

How is framing, like DBO did, not to code?

 

Oh and the jacks like in basements are normally used for longer spans, not just a "shortcut". But in this case, it would work, as long it is not on soft/moist ground.

 

Nice shots. Love the scaping.

 

I wouldn't call that framing it in. I would call that supporting the floor joists. Sorry. When you said framing it in, I imagined using 2x whatever the joists are and cutting them to fit perpendicular to the floor joists and nailing them in. That's what I would consider framing the floor in. And doing that would have done nothing to transfer the weight of the floor to the ground causing the floor to (possibly) eventually sag. Different use of the term framing it in I guess.

And in my neck of the woods in NY, telescoping jack posts (which is the kind of post most people use in their basement) are not to code. Now, if I wanted to get 4 inch non-telescoping jack posts (or cement filled lally columns), cut out the basement floor, pour a footing that is resting on the bedrock and bury the threaded end of the non-telescoping jack post in cement on top of the footing, that would be to code. And a heck of a lot more work than it's worth. That's why I wanted to see a pic of what he did.

 

You are correct. It would work. However, being that an inspector it going to be in my basement several times this year, I can't do it that way. See, these inspectors are real PITAs, and if it's not to their code, it's not good enough. They don't want to hear how it's just to support a fish tank. In their eyes, if it's supporting a floor joist, it's meant to support the whole house in that section. And in that case it has to be to their code.

If I wasn't renovating my entire house, I would just use a telescoping jack post and be done with it.