300 gallon tank weight concerns on floor?

[VLDesign]

300 gallon tank made out of ¾” acrylic sitting on the main floor above a standard basement.

Unfortunately the floor joists will be running parallel with the tank length and I suspect there will only be 1 floor joint under the tank and stand.

The tank is 24” wide so even with 16” on center joists I can only expect one of these to be under the tank.

The flooring is ¾” oak floor over s standard plywood sub floor. I assume ¾” as well.

Should I be concerned?

 

[creepyoldguy]

Brace the floor. Your looking at approx. 2500lbs of water weight alone, not including tank, stand etc. What is under the floor? Basement? Crawl space? Living area?

 

[Bderick67]

Yes you should be concerned. But if it is above a basement can you not reinforce the floor?

 

[VLDesign]

Yes I can... Just wanted to make sure it was needed before planning on doing so.

Thanks

 

[aclockworkorange]

I agree, around 2500 pounds of water (not including substrate and decor which can easily add a couple hundred pounds) should be a concern.

 

[rup_pilot]

I would reinforce with 2 jacks in the basement. Any chance of putting the tank perpendicular to the joists?

 

[VLDesign]

Yep, 2 jacks is what I had in mind. Maybe 3. Have to see when I get there what can be done.

 

[J.Lake]

Yup those teleposts will make everything better.

 

[south15]

8lbs a gallon then add the tank weight and stand weight id say close to 4000lb total i have a 300 myself but on a concrete slab

 

[erk419]

I used a 4x6 layed it across the joists the tank set on and put three basement floor jacks under that. I would use three just to be safe one on each end and one in the middle.

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