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Floor Supporting

Discussion in 'DIY (Do-It-Yourself) Projects' started by Chris_W, Feb 8, 2017.

  1. Chris_W

    Chris_W Amphipod M.A.S.C Club Member

    I've read through a number of different forums, and tank builds here, but am wondering how some folks in the Denver area have solved floor reinforcement challenges. Since we have a more unique set or hurdles to overcome, and placing floor jacks directly onto the concrete subfloor may inhibit the natural expansion and contraction of the floor what have some of you done?

    For reference, I currently have a 150DD sitting in my dining area and have it supported by 4 4x4's that support some sistered joists. As I'm working to build an actual room for my filtration (and understanding more about the expansion/contraction & floating wall requirements) I'm concerned that my posts may cause some cracking in the walls upstairs if there were to be some movement of my concrete floor.

    I'm also trying to plan out how to support a different section of the floor for an upgrade in the future. I'd rather not have to tear down walls in the basement to reinforce the floor later. What I'm thinking is to add in additional floor joists in the area where I'm planning for the next tank to go, but am also honestly looking for an easier option. Also, the only places where a tank will fit are going to cause the tank to sit on only two joists. I have no location where a 6 or 8 foot tank will be able to span across multiple joists.

    Pictures would be helpful.

    Thanks,
    - Chris
     
  2. TheRealChrisBrown

    TheRealChrisBrown Barracuda M.A.S.C Club Member

    Just to clarify, the new tank would be running parallel with the joists, not perpendicular to them? Thus only on 2 joists...?
     
  3. Chris_W

    Chris_W Amphipod M.A.S.C Club Member

    yes, parallel.
     
  4. Balz3352

    Balz3352 Marlin M.A.S.C Club Member

    [​IMG]

    Little different situation since mine are perpendicular but this is what I did.
     
  5. Chris_W

    Chris_W Amphipod M.A.S.C Club Member

    Thanks!

    Do you just have them resting on the concrete, or did you do something like dig footers for them?

    Sent from my SM-G935V using Tapatalk
     
  6. Balz3352

    Balz3352 Marlin M.A.S.C Club Member

    I just concrete. Theoretically my floors shouldn't need to the supports but more piece of mind is work the $150. I did not see the need to dig and put footers. Definitely thinks it helps with the bounce in the room but im the only one that can bounce it and I don't plan on doing jumping Jack's in front of my tank.
     
  7. Chris_W

    Chris_W Amphipod M.A.S.C Club Member

    Reviving this a bit, tank is in place. Here's what I'm working on and with. Any recommendations?

    The tank runs with these boards. 300g 96x30x24h.[​IMG][​IMG]

    Sent from my SM-G935V using Tapatalk
     
  8. High Plains Reefer

    High Plains Reefer Sardine Platinum Sponsor M.A.S.C Club Member

    If the tank runs parallel to the floor joists I would absolutely reinforce the floor if it runs across them you should be ok but the peace of mind would be worth any inconvenience caused in my opinion we are looking at about 1.5 tons of water rock plastic steel and wood

    Nice stand BTW
     
    Chris_W likes this.
  9. SynDen

    SynDen Shark Staff Member M.A.S.C. B.O.D. M.A.S.C Club Member

    ya think you will certainly need at least one "T" support, directly under the tank. with 2x4 cross strap + steel post. no need for footer or anything just set it in place and make it as snug as you can
     
  10. Chris_W

    Chris_W Amphipod M.A.S.C Club Member

    Thanks. I was thinking of removing the X bracing in the photo and running two additional beams to beef up what is already there. Under them, grabbing 4 steel support posts and running two perpendicular beams under each end of the tank.

    High Plains Reefer the stand is great!
     
  11. halmus

    halmus Prawn M.A.S.C Club Member

    I might be reading into this a little bit, but I think you have concerns or questions about the movement of the basement slab and how that might effect the bracing?

    I second the idea of bracing it by the way.

    I'm wondering if there is a way to "index" the bracing so that you could monitor over time in case there is any slab movement that might be translated up through the bracing?

    That way you get the peace of mind of a well supported tank but you can ensure any damage to the house through slab movement is caught before it's a real issue.
     
  12. Haddonisreef

    Haddonisreef Kraken M.A.S.C Club Member

    I don't think slabs will move... when they pour floors in basements it is in side the foundation walls. So you might get settling cracks but for a whole section to move would be tough.
     
  13. Chris_W

    Chris_W Amphipod M.A.S.C Club Member

    Thanks everyone. Great point about the slab moving and "indexing" the bracing.

    Could be something as easy as a level marking between the post and the wall to I'd any shift between the two. Hopefully I'll start bracing next weekend.

    Sent from my SM-G935V using Tapatalk
     
  14. Fitz19d

    Fitz19d Sardine M.A.S.C Club Member

    As i understood it, it's within the space of the walls but they are actually seperate, it's why the framing in basements is typically off the floor floating or whatever the technical word I forgot is because of the floor possibly dropping/raising some.

    If the house has been in place quite a while, I dont think it's an issue setting it for where it is now. Just check to make sure jack isnt loose from it dropping over time or even worse raised and putting undue pressure. Jack should be snug but not actually applying a bunch of upward pressure just preventing downward movement of beams. (Reminds me to check mine)
     
  15. Chris_W

    Chris_W Amphipod M.A.S.C Club Member

    Thanks again everyone. I ended up bolting some additional 2x12's to the existing framing. Supported at both ends with 4x4's held up by 10k lb floor jacks. 200g in so far and it's rock solid.

    I appreciate all the feedback on this!


    Sent from my SM-G935V using Tapatalk
     
  16. halmus

    halmus Prawn M.A.S.C Club Member

    Chris, I'm glad you figured something out for additional support. How about a few pictures of the final product? It might help someone else out in the future with a similar setup.

    Looking forward to seeing the display come to life upstairs!
     
  17. Chris_W

    Chris_W Amphipod M.A.S.C Club Member

    Here is the support system. Beams sit about 6" in on either side.

    Then the display with 200g in it. Hopefully I'll get to turn it on tonight. The second light will arrive friday.[​IMG][​IMG][​IMG]

    Sent from my SM-G935V using Tapatalk
     
  18. halmus

    halmus Prawn M.A.S.C Club Member

    Bracing turned out great.
     
  19. neil82

    neil82 Prawn M.A.S.C Club Member

    Thanks for posting the pics. Good stuff!
     
  20. Chris_W

    Chris_W Amphipod M.A.S.C Club Member

    Thanks everyone. A few bulkheads for cable management and one more pipe connection and it will be operational. Cannot wait to get some fish in there!

    It's been a fun, albeit nerve wracking, adventure.

    Sent from my SM-G935V using Tapatalk
     
    Irishman likes this.

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