Questions tagged [drainage]

Use this tag when the topic is about controlling water runoff, particularly near structures but also in yards or elsewhere.

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74 views

What is this small drain pipe in my garage wall?

I have a drainage pipe (PVC - looks like the air unit/water heater one) of some sort that is in my garage it doesn't belong to the water heater or the air unit I know where those are. I cannot think ...
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3answers
86 views

Ground floor toilet started bubbling randomly and the water level has risen in the toilet bowl

We live in a house, we have 2 toilets 1 upstairs and 1 downstairs. The downstairs one started bubbling vigorously and the water level in the bowl started rising. Now flushing just increases the water ...
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1answer
103 views

What should I do with this hole in my basement floor before installing flooring?

Found this hole in the basement floor after moving the dryer. The dryer was standing on a piece of plywood covering the hole. It has a pipe connected to the cavity at about half of the depth, but the ...
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33 views

(CA) Code for outdoor sink drainage?

I'm planning an outdoor BBQ island with a simple sink with cold water for handwashing. My city defers most code to California's code but in both cases I'm having trouble finding the relevant section. ...
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1answer
62 views

Two of my drain spouts from the gutters on my house go down into holes in the ground. Where does _that_ lead?

I don't know how to figure out where this leads. Where is the water from my gutter being drained off to? (Or I mean, how do I figure out the answer to this question?) I do not know of any outlet ...
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1answer
87 views

If my home has no footing, how dangerous is it for a contractor to install an indoor drainage system in my basement?

I have gotten estimates from some contractors for installing indoor drainage in my basement. They'd be breaking into the concrete floor around the edges of the basement, right next to the basement ...
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1answer
46 views

How deep should PVC drain pipe be buried to ensure grass will grow above ground?

I’m burying 4” solid PVC drain pipe (not a French drain) in my yard for downspout & surface drainage. How deep should the pipes be buried in order to ensure that grass will grow above it? Due to a ...
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1answer
50 views

Plumbing a dual kitchen sink path

This dual kitchen sink is causing a bunch of problems, mainly clogging up at the S bend. I am a complete noob when it comes to plumbing, have never plumbed anything before and have no knowledge about ...
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1answer
41 views

Sump Pit Not Holding Water

Moved into a new house built in the 1970's and discovered that the sump pump was not operational. I replaced the sump pump, re-attached everything, and poured water into the dry sump pit to test ...
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1answer
77 views

Can I make a raised flowerbed against my siding?

I want to make a slightly raised flowerbed at the front of my house. The flowerbed would be about 9 inches high and made out of landscaping blocks for the front edge/wall. The issue is that it would ...
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3answers
48 views

Central A/C Draining Causing Stagnant Water - Dry Well?

I have a central air system with a condensate drain line that exits my home near the actual AC compressor on the side of my house. The original installers put in a cement cylinder that the line ...
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1answer
53 views

drain hose for chest freezer

I'm trying to build a DIY ice bath (Wim Hof style ice baths) using a chest freezer. I have a Magic Chef small size chest freezer (pic below). I need to drain the water in it every couple of months or ...
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1answer
41 views

Fix water pooling on porch connected to driveway

The steps to my back porch are connected directly to my driveway. However, the paved section of the driveway leading to the steps is improperly sloped. This leads to pooling at the bottom of the steps....
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1answer
55 views

Foundation water seepage?

Recently purchased a new home and am noticing that there appears to be what seems to be an issue with water seeping through the foundation in the basement. Shortly after a decent rain the wall will ...
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2answers
41 views

Pavers mortared to cement - how to grout joints

In my front yard I have a curved walkway made out of cement. The cement walkway is about 45 inches wide and sits on top of some compacted dirt. This past weekend I used some exterior thinset mortar (...
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4answers
3k views

Strange suction in toilet and sink, like a vacuum in the sewer pulling the water out

This is hard to explain.. But I was sitting in my bedroom when all of a sudden my toilet started draining, then the sinks in the bathroom started pulling air in, then when the water from the toilet ...
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1answer
119 views

Should drainage pipe behind a retaining wall only have holes on the top?

I am mid-project in a DIY yard project. I have subbed out a large retaining wall to a civil / wall contractor. It's 220 feet long, between 2-5' in height, and makes 2 90-degree turns. It's built to ...
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0answers
112 views

Should the high side of a concrete block retaining wall be sealed?

I am mid-project in a DIY yard project. I have subbed out a large retaining wall to a civil / wall contractor. It’s 220 feet long, between 2-5′ in height, and makes 2 90-degree turns. It’s built to ...
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1answer
66 views

How should I drain an area of gravel between a sidewalk and retaining wall?

We are reclaiming a flower bed and extending our existing patio. After a gully washer I am now concerned about drainage for this 5ft by 36ft impervious surface we are adding. We are also adding a ...
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0answers
64 views

Is this a drain-pipe?

I am about to install a water heater in our condo. This is inside the house so I want to be careful about possible leaks. I am putting a drain pan underneath it and need to connect it to a drain ...
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0answers
23 views

Pipe cleaning machine without guide hose - how to prevent tile and furniture damage?

Looking for a pipe cleaning machine, I see only the very expensive ones with a guide hose ("Spiralschutzschlauch") that will protect the bathroom from fast-rotating spiral ends (2.5 - 5 m!). ...
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0answers
34 views

Mountain top drainage issue

We live atop a large hill and due to how the driveway is I constantly have water and mud on top of a small area of my driveway. This area is supposed to be a low area to care water down the driveway ...
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0answers
34 views

What should be considered when updating wall assembly in only one section of a wall?

Background: We live in a 1920s two-story foursquare home in New England. The house has painted wood shakes/shingles siding on the second story, and wood clapboard siding on the first story. We will ...
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0answers
24 views

Concern with whirlpool tub pump drainage

I am having a whirlpool tub installed by a plumber. This is the tub. We purchased it with an upgraded pump, specifically this one. It came from the factory looking like this: The pump is mounted at ...
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0answers
25 views

Small atrium in 3rd floor of building has a storm drain that's leaking down to the crawlspace. How do i fix this?

My building (old 4 unit Victorian) has a small atrium on the 3rd floor with a storm drain that's leaking all the way down to the crawlspace underneath the building. When it rains, i can hear light ...
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1answer
528 views

How low should I drill holes in my sump pump basin? Should I drill them at the bottom?

I'm encapsulating my crawl space and as a part of this I'm installing a sump pump with a perimeter drain around the inside of the crawl space that leads to the sump pump basin. I installed the sump ...
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1answer
55 views

Bathroom sink drainage

Yesterday I tried to get my bathroom sink to drain better and I used a plunger. Unfortunately water got into the overflow and now water is coming out through the hole. What can I do? ...
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1answer
143 views

My pool drainage seems to break the law of physics

I apologise if this is answered somewhere else, but I can't find the answer. I have an above-ground pool, with an overflow pipe coming out of it about 4" from the top. This overflow pipe then ...
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1answer
320 views

Sump pump horizontal distance - Why do 90 deg angles put more load on the pump after a vertical drop?

I'm installing a new sump pump basin in a new location in my crawl space. I currently have a Zoeller M53 1/3 HP. The discharge pipe will come out the back of my house, but I want to bring the ...
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1answer
219 views

Can only use small sump pump basin in crawl space, what can I do to prevent short cycling?

My crawl space access is only 19" in height. This severely limits the sump basins I can find. Every basin I see that say that they are 18" diameter are referring to only the inside diameter. ...
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2answers
70 views

Washing machine overflow

I live in a home built in the late 60s. The old set up for the washer was draining into a utility sink (1 1/2 trap that connects to a 2in main) I wanted to move the washing machine to the other side ...
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3answers
61 views

What's the best way to deal with the floor of a shed with water infiltration?

I have an old carriage house on my property, probably over a century old, which sits on what is now the lowest part of my property. As a result, water runs back into it along the driveway (which also ...
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2answers
278 views

How to support 20 feet of 4 inch pvc drain pipe horizontally along a concrete wall?

I need to run 20 feet of 4 inch drain pipe horizontally along a concrete wall. Someone suggested saddle clamps and anchors. I am not sure exactly what type to use, especially if the pipe is full of ...
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1answer
71 views

What is the 4" white pvc pipe in Pool patio concrete slab?

Bought his house this summer. Didn't like that pool liner attempted to float in a few areas during a 2 day ice storm back in October with 3+ inches of rain. Back corner around shed became a lake with ...
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28 views

Finishing basement with unusual drainage

I live in a historic home, and the previous owners made some interesting choices, to say the least. As a result, there are lots of things here that I’ve not encountered elsewhere. I’m currently ...
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1answer
83 views

permanently closing off a crawl space under a house

I have a old small house that that was built in the 60s above ground with a dirt  crawl space underneath. There are two  access openings on each side of the house 28 x 18. There is no need to crawl ...
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3answers
63 views

How can I handle expansion drainage from water heater?

I have a couple of 150L electric water heater cylinders in the cellar, fed by mains water pressure. They're designed to bleed a little from the bottom, as water inside heats up. If they were above ...
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1answer
185 views

How to open this drainage cap?

Just moved into a new house and had a new washer and dryer delivered today. When they installed them, they said they couldn't complete the washer install due to this cap on the drainage pipe. They ...
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2answers
171 views

Can I run a washer hose up and over a door?

Currently my washer is on one wall next to a standing drainpipe and blocks access to an exterior door. I would like to move the washer to the exterior wall, next to the dryer, but that would require ...
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1answer
3k views

Landscape + drainage along fence line

I am on a corner lot and my backyard receives water runoff from my neighbor behind me and my neighbor beside me. I have a french drain installed where the backyards come together and didn't have much ...
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2answers
98 views

How can I effectively drain foundation water along the sump pail location?

In my crawl space I dug out the perimeter to about 3 inches below the footings. I then laid rock and installed perforated drain with sock to keep out debris and laid rock on top. I dug a hole for the ...
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1answer
76 views

Concrete patio slopes toward garage causing water seepage

As indicated in inspection report photo my concrete patio slopes toward the garage so when there’s heavy rain water seeps into the garage. Is installing a French drain the only way to fix this or is ...
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0answers
38 views

What would “level with the driveway” mean exactly

Working on a big gravel patio project and already asked three questions here about it (1, 2, 3). Now, a third one, which may seem not so important, but if I make the wrong decision, it will be ...
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0answers
20 views

How to run new exterior A/C drain line

I'm trying to replace my A/C drain pipe. It was draining into an old PVC pipe contraption that did nothing - water was leaking all over the brick and foundation. I pushed the PVC to the side and ...
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2answers
346 views

How can I waterproof a hole in my vinyl deck to fit a downspout?

I am wondering if anyone might have some suggestions on solving this drainage issue with our vinyl deck. We used to have 2 separate decks but upon rebuild we have them joined with a narrow walkway. ...
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1answer
72 views

Can bushes help keep driveway and patio gravel stable?

My front yard has a U-shaped driveway on a significant slope. The arrows in the diagram below indicate the downward direction of the slope. From the bottom right to the top left, the elevation drops ...
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1answer
51 views

Will using a flood guard on cellar drain cause excess storm water to go to upper floors?

Just recently has storm backwater flood my basement through the 2 floor drains. A few weeks ago when my neighbor was draining his backyard pool I noticed remnants of slight flooding, but last night ...
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3answers
545 views

How to trace corrugated drain pipe without digging up my whole yard?

I have a 6” corrugated drain pipe that my gutters on the back of my house drain into, and then the drain pipe runs underground along the side of my house. I’m not 100% sure where it ends. I’m looking ...
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0answers
29 views

Extend underground rainwater drain pipe down hill

I need to extend an underground drain pipe. The current pipe is underground a few inches and ends at the top of a hill that's a few feet tall. The hill is angled at (perhaps) 35 degrees. The current ...
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0answers
128 views

How to improve basement stairwell drainage?

So we have a basement walkout door. There is a stairwell that leads down to it. There’s a big landing but this is the drain in the middle of it. It has a tendency to get clogged with debris from trees ...

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