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TRV 06-25-2012 01:11 PM

Going It Alone,Decking
 
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Thank you in advance with your help, I'm trying to replace my old rotted 4x6 post with new 6x6 pt ,The deck was built the same time as the house 20+ years we've been in it 8 years now . I called a few contractors to come out and repair it for me either job was to small or they didn't return my calls,Then I called our building dept. for advice on footings and how to attach the new post their answer was do whatever you need to do ! Really ?

What I would like to do is install my new 6x6 first for support in between my old 4x6 which are 8' on center , I'll be installing the new 6x6 4' on center of the 4x6 then replace the old 4x6 with new 6x6 in the same location the deck is 24' wide and 8' deep.

My plan on the footings are 12" sonotubes 15" deep footer with 6" of rock under that for a solid base.

The attachment of the post to the beams are the problem the header is two 2x8's and the deck joist are being supported by what looks like to be a 2"x2" the floor joist are nailed to the header and the 2x2 are under them for support full length of the deck .The only way to use a Simpson Strong tie is if build out the difference in them, then when I go to nail it the bottom of the tie will be into the 2x2.

Would it be okay to notch the post and use (2) 5/8 carriage bolts, Will this be strong enough without Simpson Tie ?

I'll have to make my picture smaller for posting.

TarheelTerp 06-25-2012 02:20 PM

Quote:

Originally Posted by TRV (Post 951265)
I'm trying to replace my old rotted 4x6 post with new 6x6 pt ...
I'll have to make my picture smaller for posting.

do that. two or three clear but not too big pictures.

CopperClad 06-25-2012 02:48 PM

So normally a post, holds up a beam, and then the beam supports the floor joist. With your deck, you have post that hold up the beam, but your floor joist butt to the beam. So it is wrong. You need new footers, new beam, and new post, with a Simpson LUS28 hanger nailed from your existing joist, to your double 2x8 to bring it to code.... In my area.. I don't think its just allowed to have the simpson hangers and redo the post. Someone else will weigh in..

CopperClad 06-25-2012 02:50 PM

After rereading your post sounds like your building officials don't care what you do ! LOL So maybe adding the simpson hangers and new post would be fine.

TRV 06-25-2012 05:10 PM

Quote:

Originally Posted by CopperClad (Post 951335)
After rereading your post sounds like your building officials don't care what you do ! LOL So maybe adding the simpson hangers and new post would be fine.


I'm sure they don't, They only asked me if it was a commercial building.But I want to do it the correct way.

I was also thinking of running a new beam across length of the deck under the floor joist a foot in from the old beam,What do you think ?

CopperClad 06-25-2012 05:15 PM

Absolutely, that would be the right way.

CopperClad 06-25-2012 05:16 PM

After second glance though... Is there a patio roof above your deck supported by the same post ??

TRV 06-25-2012 07:08 PM

Quote:

Originally Posted by CopperClad (Post 951442)
Absolutely, that would be the right way.


Thank you,Question on the footings the first three posts I can dig down to the depth I need for the footings 16", I think the code is only 12" ? The other two would be setting on a 4" concrete slab which is about 10'x8' do you think the slab would hold the weight load ? The deck is 24x8 and 4' off the ground.

The other two question I have if you don't mind me asking, 1st Would I use hurricane straps where the posts meet the new beam ?

The 2nd would be install floor joist hangers where you saw them missing in the picture?

Thank you !!!

TRV 06-25-2012 07:11 PM

Quote:

Originally Posted by CopperClad (Post 951443)
After second glance though... Is there a patio roof above your deck supported by the same post ??


Yes, There is a roof over the deck,The supports you see above that are other supports I would think that's for the roof.

CopperClad 06-25-2012 08:40 PM

I can only clearly see 2 posts that would be for the patio roof. Is the patio roof the same dimensions as the deck? If this is the case then you are not going to want to bring the deck beam 1' and put it under the joists. As it is now from what I can see is your posts are holding up your beam, and then the posts for your roof are sitting on top of your beam. So with the patio roof in the equation your going to have to leave the deck posts as is. Now as far as your existing 4x6 posts. I can't see a hint of concrete where your posts enter the ground. Maybe there is dirt pushed on top, but I would need you to clarify. About the depth of your footers, where are you located?

TRV 06-25-2012 09:12 PM

Quote:

Originally Posted by CopperClad (Post 951589)
I can only clearly see 2 posts that would be for the patio roof. Is the patio roof the same dimensions as the deck? If this is the case then you are not going to want to bring the deck beam 1' and put it under the joists. As it is now from what I can see is your posts are holding up your beam, and then the posts for your roof are sitting on top of your beam. So with the patio roof in the equation your going to have to leave the deck posts as is. Now as far as your existing 4x6 posts. I can't see a hint of concrete where your posts enter the ground. Maybe there is dirt pushed on top, but I would need you to clarify. About the depth of your footers, where are you located?

Your correct the roof post set right on top of the beam,there a total of 5 support posts and 4 roof support posts.

as far as footings for the 4X6 I'll have to dig deeper but I didn't see any footings. What I think they may have done used a 6' post and stuck it in the ground 2'. But I'll get back with you on that. Thank you, I really appreciate all the help !!!

Gary in WA 06-26-2012 01:04 AM

Only if you have wood species Southern Pine, they are good on the doubled-up beam, Fig.1b and Table 2: http://www.awc.org/Publications/DCA/DCA6/DCA6-09.pdf

Read through the rest of the Deck Code......

Gary

TRV 06-26-2012 08:16 AM

Quote:

Originally Posted by GBR in WA (Post 951748)
Only if you have wood species Southern Pine, they are good on the doubled-up beam, Fig.1b and Table 2: http://www.awc.org/Publications/DCA/DCA6/DCA6-09.pdf

Read through the rest of the Deck Code......

Gary


Thank you for the link.

TRV 06-26-2012 10:35 AM

Quote:

Originally Posted by CopperClad (Post 951589)
I can only clearly see 2 posts that would be for the patio roof. Is the patio roof the same dimensions as the deck? If this is the case then you are not going to want to bring the deck beam 1' and put it under the joists. As it is now from what I can see is your posts are holding up your beam, and then the posts for your roof are sitting on top of your beam. So with the patio roof in the equation your going to have to leave the deck posts as is. Now as far as your existing 4x6 posts. I can't see a hint of concrete where your posts enter the ground. Maybe there is dirt pushed on top, but I would need you to clarify. About the depth of your footers, where are you located?

Well I just dug down 17" from grade on 2 posts didn't find any footings,Then I dug down 7" on a third one and found where it looks like they poured 4" of concrete around the post.

I'm in Northwest Florida.

CopperClad 06-26-2012 11:24 AM

Ok. Your kinda in a pickle.I'm going to tell you what I would do in your situation, and then someone here will dissect it for you. I would just shore up your beam one post at a time, it will take a while longer but it will be the safest option for a DIYer. Dig one post up at a time. Cut your existing post 6'' above grade. If your post go down minimum 2' feet below ground I think that would be sufficient. If you have a post hole digger, just take enough dirt to put your sonotubes you were talking about using. Attach one of these to your post base. http://www.strongtie.com/products/co...BA-ABE-ABU.asp . ABE46 should work for your application.Make sure you insert the bolts through the bottom on the post base first, then attach it to your 4x6. Then you can stick your sonotube in the ground and bring it to the bottom of your post base. Dump your concrete in and move on to the next. As far as the top of your post to the beam if it has lasted 20 years, just add one of these on the face.. http://www.strongtie.com/products/co...E-LPCZ-LCE.asp.. AC model. Lets here the criticism.


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