When building a standalone home addition that isn't structurally supported by the house, a pier and beam foundation provides independent structural support using concrete piers (typically 12-inch diameter sonotubes) spaced 6-8 feet apart, requiring removal of existing concrete slabs, digging holes 34 inches deep with 4 inches of gravel base, and pouring concrete to create stable support points for the addition's beams.
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Building a stand alone additionAjouté :
[music] [music] >> Trying to get everything in focus.
There we go. Cool.
Hey everyone. Name's Joshua and in this video I'll be going over how to start a home addition that I'm doing. We're doing a dining room addition roughly about a 11 by 16 ft.
It's going to be supported by itself by without relying on the house on pier and beam. So it's going to be three on this side, 12 in sauna tubes and going to be three on this side, 12 in sauna tubes also.
Roughly space about 65 in apart.
And between the left and right sides are going to be roughly 8 ft spacing. So anywhere from 6 to 8 ft spacing depends cuz I have to go off a little bit off the house a little bit. Roughly about 1 to 2 ft.
Um but with that yeah, see how this goes and it's going to be a lot of digging but um here we go.
All right.
So in order to start before we do all the piers Nice.
In order to start before we do digging any of the piers or anything, this concrete slab has got to get taken out which I have the help of hammer drill.
So this is corded and everything, battery powered. I think batteries are dying too much so I bought a corded one on Amazon. I'll have the link in the description or any anything else like that.
I think it was like 79 bucks. Nothing too crazy. But that first we got to get the uh hammer drill set up and everything.
Get our protection everything, hearing protection, eye protection.
Uh just so anything if anything goes bad or something breaks, you know, cuz not the most expensive, highest quality ever. Uh you don't get [ __ ] punctured in the eye or anything else. But yeah, let's start on that.
All right, so some tools I'll be using.
It's going to be a small inch sledgehammer. This is going to be a 10-lb sledgehammer and I'm going to use this drill. It's a hammer drill.
It's called by Amazon called Protumex Protmix.
Whatever that means.
Anyways, this is what it looks like.
Corded.
Comes with a couple of different chisel attachments.
Heavy rated.
Here's what it looks like.
Again, the hammer drill what it does instead of just drilling through the concrete, it's going to kind of hit it.
Uh and then while drilling at the same time breaking up this thick ass I think it's concrete.
Anyways, awkward.
Yeah, with this you got a couple of different drills.
Different bits.
Here is probably what I'm going to start off with.
But yeah, let's see how this thing works. But next is our hearing and eye protection.
Now that I got our hearing and eye protection right here.
We got hearing.
And your eye protection right here.
Always need this just in case something goes wrong.
But yeah, we're going over different videos working on Corvette.
Uh this is a 2006 um C6 I got for like 10 5.
Come in a different later video.
Teenager panics all the because he didn't know how to change the oil properly, almost double filled it and put a Loctite on the oil plug. So, it'll be a different video on that. But other videos I make is going to be like couch flipping with LLC cozy revivals that I've done. Been doing that for about 5 years, Turo rental cars, stuff like that.
Or just any kind of building things in general.
It's a diamond, it's a mess, but it was clean. I'm going to have to move and stuff, but other than that, not too bad.
All right, now that we got our hearing and eye protection. Almost forgot to get the gloves, but the little wall piece.
Yeah, decided to go with the sort of tip detachment. Going to see how this works.
If not, it might need to be drilled in and hit with that, but uh I'm definitely using these some tools, sledgehammers, everything else, but let's see how this goes. Going to hook it up.
Testing it out for the first time.
All right. I'm probably start off with the corners to just see how that works.
Uh but I don't expect it to be crazy, just enough cuz I don't need it to be cracking concrete.
Can't speak concrete too much cuz I got the 10 lb sledgehammer for the other ones, but this one's really thick. I hit it with the sledgehammer, it kind of bounced up, which obviously wasn't a good thing, but uh let's start. I'm going to put on the hearing protection.
I'm going to start with these edges right here. See how it does.
>> [music] [music] >> Yeah, so with this right here, just for video purposes, I'm going to make a couple holes around here, chip it a little bit, and we'll take a little bit after that. And after I get a good amount, the drill's drained and the concrete's uh kind of busted.
I'll do like a time lapse.
>> [snorts] >> But this is going to be the bigger one right here.
You think I'd start off with this one, but it's decent. It's all right. It's a extreme power brand from Amazon, so but to see how this works.
See if it breaks it up better.
But I'm just doing kind of like the this attachment right here. I'll do the other flat chisel attachment later. But I put on here arm protection real quick.
See how this goes.
Wow, that is cruel. All right, check it out.
Cool.
It's stuck.
All right, a little bit better now.
Maybe I was doing it wrong last time.
It's much faster than it was before.
Maybe because I made the holes crack it up better. Maybe a little bit of both. A little bit of the hammer drill and a little bit of >> [sighs] >> this thing right here might make it a little bit faster than normal, but I don't know why they put this here.
Especially when a porch was covering it all, so maybe they did something in the past, but I don't know what it could be for this just specific ass thick ass slab of concrete, but oh well.
Here we go.
It's much better than it was last time.
Maybe I was just at a weird angle.
That's why it took so me so long to do and I wasn't trying to hit the house, so I wasn't being too careful. Well, I mean I was being much more careful here.
I don't have to be as much.
So, this is about a minute or two of chipping away.
Might see how the larger one I have compares to that.
But, I tried it before and this took about an hour and a half.
The larger jackhammer I have, maybe I wasn't using it right.
But, that took quite a while.
So, this one not horrible. Nothing too crazy.
But, yeah, we'll see how that works.
Oh, this is probably the hardest concrete I've ever had to crack before.
No pause, but definitely thick ass concrete.
Shit's 4 or 5 in right here, then underneath here, this is about 3 or 4 in of concrete, so it's right on top, but So, for here, what I'm going to do is use the hammer drill, drill a bunch of holes all around it.
Then with that, [snorts] then I'll use the big boy.
Right there.
I'm going to break it all up cuz I think that was the most efficient cuz before when I was trying to do this corner right here, I was being very careful not to hit the house too much, even though looks like I cracked it, but yeah, that didn't work out as planned too much, but bunch of holes all over the place, and then I'm going to use the jackhammer to break it up cuz this was much quicker. I was thinking this wasn't going to be as fast because this one, that took forever.
This was maybe 4 minutes total of using the drill and that, but now that I kind of know what to do, should be much faster.
>> All right, this is what I did. Just a bunch of holes everywhere.
And then I put a pause on for today cuz the sun's going down, but I got to go get dinner, but yeah, that's pretty much uh how it works.
And then I'll use the big-ass jackhammer.
Break around the edges first and kind of work my way in to the middle.
Too bad. You know, this one was kind of a little bit above it, but in order to put the beams and the uh drawers and everything in there, it has to This [snorts] is in the way. I'm doing 2 by 10, so this cement slab has to go.
But yeah, it's pretty much it. Hopefully when I actually use the jackhammers, it won't be that difficult, but we'll see.
Probably is. That's how life is.
>> [music] [music] [sighs] [music] [music] [music] >> All right, I'm going to break through the concrete. Had to rent this from Home Depot.
It's the Hilti Pro breaker with insurance and everything else. For 4 hours it's about 150 bucks, but this is supposed to be the best break through 12 inches of concrete, so see what it does.
All right.
This thing made it super easy to break through.
Super easy to break through, which I don't understand.
It wasn't that thick. I thought it was like 8 in thick, but then there's dirt.
There's dirt and then there's level of concrete pad right there.
So, maybe 5 6 in of cement, but that was completely difficult in order to break through with like a sledgehammer right here, so.
We'll see.
Lot of concrete broken up.
But, needs to be cleaned up.
All right.
All right, so it's the next day. What I'm going to do is probably do a cleanup at the very end.
But, I'm going to dig two or three holes for the pillars, set them all up, get all the rebar done and everything else like that. So, tomorrow uh I'll be able to pour all the concrete, won't have to do too much more.
But, all I'm going to do today is dig the three holes for the pillars, get them all set up, cut the length.
Roughly going to be about 34 in down, then 4 in of uh all-purpose gravel.
But, after that, it's pretty much it. And then, once I get all the concrete in, I'm going to do a cleanup of that at the end. But, I don't want to clean it up, dig the holes, then clean it up again. Just have to do it one time.
Other than that, that's it.
There's a stupid crow up there messing up the [ __ ] audio.
But, you know, oh well.
There it is.
All right.
Got the three oven sonotubes set up.
Going to make it a little bit easier with the spray paint. This is kind of see in line where I have to mark them.
And after this, all I got to do is break up the concrete around those sonotubes and down roughly about 34 35 in, then 4 of uh all-purpose gravel. And after that, I going to cut down these sauna tubes to roughly 29.75 in cuz I would match these sauna tubes right here.
Yeah.
Cracking the concrete here isn't as bad as cracking that. I don't know why because that stopped right at the dirt level so there's not like 4 in down then there's dirt there was the 4 in of that concrete cement whatever you want to call it and then then hit dirt. So this should be super easy.
Cuz you know those were very easy to pick so yeah this goes.
All right so just dug the holes.
They are 34 in deep and they're going to be filled with 4 in of all purpose gravel.
Yeah.
And then after I'm done with all that I'm going to do the concrete tomorrow.
Now there was this one was being a pain in the ass.
You see right here this kind of concrete like kind of crumbling but there's concrete right there that deep down. What that's for.
But yeah.
I know there's going to be a lot of cleaning to do once I pour this concrete. And after that moving on to the piers.
Oh sorry the beams jeez.
I'm tired.
Moving on to the beams.
Yeah.
That's a tomorrow problem.
All right so it's almost time to pour.
And what I have to do next is put the 4 in of all purpose gravel. In order to measure that properly what I did is just got some leftover rebar measured 5 and 1/2 in and then sprayed it an inch and a half just so I can stick in there and not like wobble about but and just spray paint it know where to go. Cover the lines all the way till it's orange.
But that's what it looks like right now.
But yeah.
And then once that is covered, that'll be 4 in.
But anyways, almost time to pour cement.
All right, it's starting to get dark.
But cut down the Sonotubes and measure them from the level. So the cement on each side, make sure it's level to measure to the lowest point, making sure that the inside's flat.
And that with the uh speak all-purpose gravel and everything.
So what I'm going to do now is make sure the Sonotubes are level, and then I'm going to make sure it's all lined up with each other.
So whenever I do attach the beam uh mounts, it's not one's over to the left, one's over to the right. So like that, just make sure they're all in line. I'm going to do that with a string line.
But yeah.
Let me try to get this done before Actually, I will get all this done before I go to sleep, so hopefully this only takes about an hour, but we'll see.
So little bit of a you know, wonky rigging, but you know, in order to set them going to the concrete to make this longer than it's supposed to be, the string line tied all the way down to the Sonotube, line up as much as the center as possible.
Right here. It's okay if it's a little bit off center, but not too much cuz you don't want the pressure of the beams on the edge of the Sonotube.
Yeah.
I'm about to start pouring concrete.
That one's not exactly in the center, it's a little bit off to the right, but that's fine.
Now we begin pouring concrete.
All the three pillars are poured.
Finish cleaning up the drum and everything else like that.
This one was being weird. Perfectly level and then when I poured it like slowly and carefully, then it's unlevel. But when I pour these two right here, at the end I pour those and they're still perfectly level. So I don't know what the hell's going on with that.
This [snorts] one for some weird reason it started sinking quickly into the cement, but I'm pretty sure I made it not super watery, just normal like I did all the other ones cuz all the other ones had no issues. So maybe I messed up on something, but for some weird reason. So I'm using these metal pieces in order just to hold it uh up until it dries. Should be able to cure by end of tomorrow, so well, mostly cure towards like solid, but takes about 7 days, but I'll probably wait wait about 10 days, but yeah.
Now the pain in the ass is going to be clean up.
Uh different day, but not today. But I'm going to put these on top of the pillars so cats don't step on them like they did these and leave an imprint.
But yeah, that's pretty much it for today.
>> [music]
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