Ever Wonder How PVC Pipes Break Under Your Slab?
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- Опубликовано: 20 сен 2020
- Today we're in the field looking a house with multiple under slab PVC breaks. We're going to crawl around under the slab to point out the breaks, what caused them, and how we're going to fix them. Enjoy!
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Thanks for watching! I'm Roger Wakefield, LEED AP, The Expert Plumber and welcome to my channel. On this channel I teach homeowners how to save money on their plumbing by doing DIY plumbing projects. I also teach plumbers and plumbing company owners how to be the best plumbers in their area and run successful plumbing businesses. My goal is teach you everything you need to know about plumbing.
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Have you ever seen the pipes under your house before?
Yes in the crawl space in the Netherlands/ Holland
it is standard for a long time
If you had to build a slab house today, how could you plumb it so you could have full access to all of the plumbing?
Yes, but I cheated and have a house with a basement.
@@wiggles2439 You'd have to redesign the plumbing system, so your only buried lines were a water supply and a drain pipe near an exterior wall of the house. All other branches would be run in the walls, or maybe some kind of groove cut into the slab and covered with plates like the splice plates on a wooden stud. Wonder what Roger thinks of this idea?
@@markh.6687 Good ideas. I was thinking something similar. Run the main supply up a accessible interior wall to the attic to a manifold, then run all the supplies back down the walls. The drains, a little more tricky if using a standard gravity system, dig a channel in the slab for the main with access panels, with somehow running the other lines in the walls.
As a plumber who normally just breaks the slab to get to the pipe it absolutely blows my mind that y’all tunnel like that. Them boys better make bank 😂
I was thinking the same thing, and they actually dig haha so many times home owners have someone “dig” the hole for us and we show up, they always dig like a post hole size to the top of the pipe expose a little and that’s it. I end up digging the hole my self every single time 🤦🏼♂️ and they wonder why the bill is so much higher haha
Dominic McKee haha same here. I would like to see a video on how they do it. Getting dirt to and from the farthest point. 5gal bucks and a human conveyor I assume
Man I’ve literally became the hole and trench digging king as a apprentice it’s all about repetition my first two years as a plumbing apprentice I was that guy and too the big mechanics I worked under surprise I enjoyed it and got good at it lol
Don't break through the slab if you have a damp proof membrane,, if you aren't in a flood area, you'll probably be ok tho 👍
RebootedMind agreed we need a video of these fellas digging holes I’m very interested
JESUS!!! Who is on your dig crew?!? Molepeople?!?
lol
How do they fill it back in is puzzling me 👍
Rob Marrin filling it is easy you have a huge pile of dirt to use, digging is the hard part. I’m with Nathan good god how is that even possible?
I want to see how his dig crew digs this out!
They got good dirt lol 😂 mole people 😂
This guy is an absolute wealth of knowledge. Truly incredible wealth of knowledge and he is not the slightest bit cocky about it and he is not begging for subscribers. Stay on youtube man. My father watches your videos and he has been a plumber for almost twenty years.
This guy is a wealth of knowledge and with the way these tunnels look he's an absolute wealth of cash too. No Hate man I get it.
Derrick Feltner Can’t hate the hustle just admire it.
@@juniorolvera7358 I like that
@ one thing about it he'll always be able to get to his calls. Rain, snow, muddy embankments,
That dig out is crazy! That's some skill. Did you hire moles to dig it out?!
Did you hire El Chapo's crew for that dig?
I just wanna see plumbing repairs. I would have been super happy if we got to see this house's plumbing repaired
Agreed
Everyone wants to see your dig crew in action with details! Me, too!
A++ on your video. Great job. The PVC fittings/connections definitely need to be in a "relaxed" state. That job cost them a small fortune.
My question is: How is all of this backfilled?
or properly compacted?
Those loud noises scared me 3:20
I have no idea where that noise came from, I'm pretty sure it was a result from compressing the video during upload.
3:20 that scared me half to death😂
Tf was tat
The company I worked for did tons of multi-story apartments. One particular job, my helper and I were assigned to do nothing but testing and slab work. When the piping was put in, someone figured the thickness of the slab wrong. They assumed It was a normal 4 inch slab, I guess. It was actually a honeycomb, where portions of the slab were over a foot thick, with tension cables embedded in the honeycomb. The result was that there were a lot of broken pipes after the slabs were poured.
But we didn't tunnel under, since the house was still just roughed in. We jackhammered through the floor to get down to the pipe. It's a challenge any way you do it.
Great video Rodger
I spend days trying to get a good video in my bedroom for a RUclips video, Roger makes is look seamless while under a goddamn house
Having a great team and good cameras does wonders!
I have a plumbing license in CA, CO and OR. Been plumbing for over 36 years. I have never seen this done. I have a few questions/concerns.
1) trench shoring. The slightest cave in can be deadly.
2) confined space air quality. Contaminated soil and chemical vapors from the glue and primer can be dangerous.
3) firm bedding under the new pipe. Do you drill into the concrete above and use all-thread rod and clevis hangers?
4) compaction. Most slab on grade floors require 90% to 95% compaction. You just altered the structural integrity of the building. What do you do for compaction and how do you protect the pipe you replaced.
I’m not trying to be judgmental or be a smart a**. I’m curious.
Yep know of some cave INS in my parts that could kill you faster than you could say dead.
Paul Sorensen,as a licensed plumber with 37yrs in myself, I am
In total agreement with you on all
Points.Must have looked at this video 5 or more times now, besides the danger aspect, Really unless you shoot some slurry or sand under there I don't see how there cannot be huge voids under
That slab!
@@danieldawson222 yeah how does it get repacked without affecting structural integrity
*tunes it at **0:01*
me: *jumps* oh christ!
more intros like this please!
he crawls out in the beginning like the alligator in the sewer!
More like the Ringu
I hope you are getting in that hole safely, I've heard many stories of trenches collapsing. I have faith that you are. Incredible your guys can dig it out like that.
Correct me if I'm wrong but I live in Florida and I have never in my life seen any kind of repairs to pipes done under a slab. And where I'm getting to is if u break that dirt up under the slab u have now broke down the compactness of that dirt under the slab. May be different in Texas but here u have to have the dirt pass a compaction test before a slab can even be poured because a bad foundation causes the issues u guys speak of having
They look like the have more clay/black muck mix. Florida is mainly sugar sand. That could be the difference. I'd never tunnel under a house like that in Florida. We always busted the concrete on the top side and do the repairs. I live in Ohio now. All basements 😁
Very insightful, even for us laymen. Thanks.
Thank you Roger, good information to know even as a homeowner to qc the plumber you hired.
I remove slab . Would Never tunnel under a house! How the heck do you backfill all of that and tamp/compress the fill so thr slab does not start cracking and sinking?
G'day Rodger when PVC started being used I use to put straps into the concrete slab to help support the pipework ,because its very hard to compact the pipe bedding .
Also used expansion joints for movement.
I would love to see those issues fixed and dug back in, maybe how it’s done? Love your videos!
Love the videos!
I need to see a video of this dig-out process and how it is all backfilled
Nice stache
I'm curious about the backfilling you do in your expansive soil. UPC says that bedding must be sand, dirt, or fine gravel that is level and supports the pipe along its length. The fill over pipes in direct burial has to be similar: sand, dirt, or fine gravel. It must be free of rocks and no rocks in the bedding. The trench itself must be 1.25x the pipe OD plus 12 or 16 inches. Clearly, these pipes were pushed up against the trench wall and then backfilled on a bind, as you said.
I wonder why they don't require pea gravel backfill around your pipes in soil that can move? That would allow shifting and accommodate a certain amount of vertical movement.
Of course, it looks like that main drain moved an INCH or more sideways. I think they had a void on the narrow side and tamped the dirt down hard on the wide side such that it drove the whole assembly more than an inch to the side. That or the house moved an inch.
Another question: You guys don't use foam pipe wrap where the pipe penetrates the slab? That kitchen sink drain looks like it was set in concrete without wrap of any kind. Seems to me, that is part of the problem.
Can you PLEASE do a video on how you got that hole and the process of backfilling under the hole. Huge fan as I’m a new owner operator plumbing and drain cleaning company I love to learn new things thanks for the videos!
As Bob Reynolds says, "Stress free, stress free, it has to be stress free!"
Do have a question for you when you dig that far underneath the house do you have to get an engineer to tell you how to backfill or what material to backfill with just curious
lonnie lyttle you use the same material you removed from under the house, dirt.
We hire a structural engineer to look at the excavation. We usually end up installing concrete with rebar piers and footers under each beam that we pass under. The dig crew usually back fills with the existing soil afterward and hauls away the excess dirt.
here in San Antonio it's required by law for an engineer to come inspect the tunnel and sign off on it, then come again to inspect the actual plumbing and make sure it's up to code, then the dig crew fills it back in
@@premiumfruits3528 with what though? Dirt, gravel, sand, concrete? If gravel what size?
I wonder how they compact the back fill. It would be interesting to see the mole people as they excavate and back fill.
Do a video showing the dig crew, that would be so cool! They do a great job
Wow that dig crew!
I guess the pipe broke cause uptil the 60s, PVC pipes were made from pure pvc resin but nowadays we add 10% rubber (ABS) to impart better toughness and impact resistance. PVC pipes installed today with similar margin of error wont crack so easily.
Also can I just say, as a student persuing masters in polymer engineering, these kind of videos are a lot more insightful than carrying out fatigue tests in controlled environments. Subscribed!
Hey man, is it safe for you to be in those excavations like that without trench boxes of some sort? Just curious and thinking of potential wall collapses?
Life ain't safe, make a judgement and go.
Roger will save us a generation of headaches and knowhow to repair simple stuff we pay deeply for
I have literally never seen tunneling like that. Impressive!!!
Please do a video on the pipes getting fixed and/or how you backfilled the areas that are dug out
I can just picture the new bass boat the plumber bought who did that repair job. Probably 10k or more to dig, replace all that pipe and back fill.
How do you fill in the tunneled section after the repairs? Taking into account the required layers and compaction?
It is very interesting to how plumpers from other countries do their plumbing! i dont think i have ever seen a problem like that, however i am still very fresh. Where i live the earth expands so much, that we cover the ground with gravel (its not gravel, but very similar) before we put dont the pipes, and then compress it. We don't normally put the pipes directly under the earth.
Man a video of the dig and backfill would be awesome. I want to know how you can compact the backfill to support the slab above.
Yo Roger!!! Hello my man!!
I have a house built in the 60s on a slab... Scared what I might find in the future.
You're fine, since you had the older cast iron drainage piping.
I really like your advice at 5:50 about the rough plumbing under the slab. I wish there was more advice like that out there. I'm designing a house with all the plumbing along the north wall to try to simplify things and prevent having to dig under the slab in the future, but I wish there was a way to prevent that all together. Maybe run all drains (Except toilet and shower) through the wall instead of through the slab? What else could someone do to simplify repairs in case the pipes need to be changed?
Hey Roger out here in California I've seen companies that offer a service to fix damaged pipes where they reline the pipes from the inside with an epoxy. I was just curious your thoughts on this and if you have ever done it. I believe it's done mainly with larger city pipes but I've seen it advertised for residential fixes also.
Hi Roger - plumber from tampa, FL here. How do you guys backfill a tunnel and ensure proper support of the pipe afterwards? Tunnelling isn't common here.
they used gsr pvc. Gsr pipe cracks really easy. i use genova pvc because it almost never cracks/leaks. in Wisconsin pvc was first used in the late 1960s. in the 1960s-1980s every plumber used genova products.
I know in utah and Arizona we use ABS for drains and sewer and pvc for roof drains too.
Soo cool I didn’t know they dig under like that! I guess I just thought it magically fixed itself 😂. Very cool! How do you guys fill it back in?!
I agree with the issue most likely being caused by backfilling, but most likely its a combo of not installing on solid bedding and than being backfilled. That's a huge issue in the area i live in, but youd never be able to dig under a slab around here because we have a sandy loam more on the sandy side.
Roger what is your opinion on the use of drain bladders
After seeing videos about slabs I will never complain about a crawlspace again
Sometimes crawling under crawl spaces can be just as bad. You never know what critter made a home in that crawl space
I would love to see how y'all fill that back in
I was told it was foundation issues that causes this. Does the foundation have any part in it? or is it just plumbers not bedding the rough properly and leaving voids?
You’ve got to use concrete blocks in tight on your way out back filling or you’ll have more problems down the road, especially in North Texas. I’d prefer demo from the top. Either way, expensive as all get out.
How do you fill in the dirt after repairs are made? And I have had a copper hot water line spring a hole in it under the slab. I had to jack hammer a brand new tile floor and found corroded copper lines. Probably from chlorine as the pool was right next to where this happened.
The more I watch these videos, the more thankful I am for my spider infested crawlspace.
nice jeep!
Omg that is crazy. I would hate to do a repipe there. I work in California most homes here are on a raised foundation.
How do you even dig all that out? I am so curious. if there's already a video on it, please point me at it.
Hi Roger, why do body use sunken slab - give say 1x1' space for sewer line and other space still be slab? do you think sewer line goes outside house shall be under foundation or in foundation with a hole? thanks
Rodger I have a house in California and it was built in the 60's. Three different plumbers have come and told me that I have a broken drain pipe under my slab from a double sink to my shower that is on another side of the wall. I never thought about tunneling untill I seen this video. I don't want to break the slab if I don't have to. What is your recommendation.
So we need to use the rubber fittings with hose clamps so the pipes can move?
How is the dirt packed back in to keep the settlement from destroying the pipes again?
How do you make sure the repaired pipes are properly supported when replacing the dirt?
So I got a weird issue in my plumbing that started a month ago so after I shower in the upstairs bathroom my upstairs toilet next to the shower would fill back up now that seemed to have stopped as it hasn't done it in a few weeks.
but now yesterday after I ran my basement bathroom sink the basement toilet next to it filled up there seems to be some sort of drain in the toilet tank but only after I run the sink/shower and I have no idea why any help would be great thanks.
This reminds me to never buy a house on a slab. Crawlspace or basement is the way to go.
Basement only...:)...Screw those crawlspaces! And Screw the HELL out of slab!
@@godbluffvdgg basement: or as they call it in a wet climate: indoor pool.
@@kenbrown2808 Cha Ching, right? ...Indoor pools are awesome@ :)
@@godbluffvdgg the tin nokker didn't seem to think so. apparently, duct tape doesn't seal raingear well enough for swimming.
@@godbluffvdgg my crawlspace in the house I'm building has a concrete floor it's air sealed and insulated. 3ft tall also
Plumber NYC
We dont have many slab built homes here never had to tunnel to get to piping.
My question how do you back fill that tunnel?
Hey Roger, any advice on finding a quality plumber in my area? I don't really trust things like Google or YELP reviews because I've hard of (and know too many) people who just buy them.
Roger,, do you have any unscientific data on the number of under slab leaks per 100 or whatever? Like how common is this?
Not questioning your methods Mr.
Wakefield, but how can this amount of tunnelling, digging,and
Crawling be "cost effective"?
Can you show us how you repaired it? Thanks
Do you have a video of how you fix this
the ground here in north texas can be hard as a rock too... oof, would NOT have wanted to have to dig that out. ever get the water pressure dig thing figured out??
Other then saying that the pipe wasn’t bedded properly what else can cause the soil under a concrete slab with peers to settle 3 “ and break every single fitting on a vertical drop
wow - this video gave me so much to think about. Do you see the same issues occur with ABS drain lines/fittings? Which is more robust? ABS or PVC? Do you recommend sand as a material to pack around plumbing members? Would a 5/8 minus sand gravel mix work ok?
Honestly, I don't have much experience with ABS, I've only installed ABS once...Here in TX we only use PVC
Do you fill hole in or how do you close hole
Can we get a video on you’re dig crew? How they do it?
MOre work for us roger, i dont mind that they did that, keep doing what you doing new install guy.
Yeah, the problem is that the plumbers don't fill the ditch back in, their $10 per hour workers do. Rarely do masters even do most of the pipe fitting in larger companies, they're directing 4-5 guys on what to do. I live here East of Dallas and this black clay expands and contracts a lot. If the backfill isn't tight and completely under the pipe and supporting it neutrally all the way around, it's going to break. Thanks for the reminder on doing a good job all the way to the end.
So if you want cement floor foundation it's smart to think about a repair access. Or putting the plumbing around the house
PLEASE...... Rodger can you do a video of how your crew digs? PLEASE ...
Do you have a business in the DFW area? I have a break that I need help with.
I tunneled a house before. It took me a week to get from one side to another. Now I just hire workers that just do that. It's sad that many homeowners hire levelers that say they will not pay anything for pipes that break if they raise/level a house. Pipes will almost always break when lifting the houses. I'm going to send a link with a video about what im talking about.
How do you properly backfill this?
The sound quality under the house is really good. You could open a new production studio down there.
Hey roger I have a good question for you why don’t you guys use abs ?
How long do plumbers usually warranty houses?
The best solution is to concrete encase your under slab plumbing to restrain movement.
Make a vid of alll the repairs too
How do you backfill this? I, like about 1 zillion posters below want to know this, and want to see some of the digging/backfilling happening.
I'm more interested in the back filling. i.e supporting the pipes "that broke because they wasn't supported" and getting dirt compacted back under there.
A cement truck. (Just kidding!) 😄
my house back east had terracotta pipes, long story short, house was built before 1900, the kitchen with basement bath was added on decades later when indoor plumbing became a thing. the old drains combined all drains from rain spout to the toilet, everything combined. One day on a heavy rain my walls started crying in the basement, the old pipes gave out after some 70 odd years and all the rain water was just pouring out down the side of the sandstone foundation and just pouring into the basement. I had to dig out and remove all that old pipes but had a plumber install new pipes. I can dig a hole, I can remove broken stuff, but how to reinstall to code, I left that to the professionals. I wish I had pictures but this was back in the 90s before digital pictures was a thing everyone could afford.
Would you think ABS is a better choice because of its flex?
Is it cheaper to dig under the house than it is to cut and jackhammer concrete?
Does the same go for ABS?
Roger, does cement eat away at plastic PVC pipe like it does metal pipes?
how long does a Pvc pipe last inside a concrete slab and how much in the sand?
I love these slab videos! I would hate to see what that would take here in Phoenix.. all hard rock compacted and clay... ground is hard as concrete. All plumbers i've seen out here will just cut away flooring in the house and make the fixes, i've never seen a tunnel under a house to fix plumbing.
I would like to see real work videos added to... so along with this commentary and what/why happened, but also seeing the fix go in.
Sounds like that soild in Phoenix is what Vacuum-excavation was made for.
The way I see how it can be backfilled is by opening holes on the concrete floor and fill dirt and sand thru the holes?