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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2answers
4k views

Is this flexible drain trap configuration acceptable?

I recently redid my entire bathroom (new to all of this), The sink we chose has a draw back we discovered late into the remodel...it has a non-removable drawer that sits almost level with the drain ...
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2answers
2k views

Connect downspout to PVC pipe?

I want to drain an aluminum downspout into a 4" PVC pipe. How can I seal the space between the downspout and the pipe so that leaves and dirt do not fall into it?
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1answer
6k views

Water coming in BELOW sump pit inlet pipe! Is this normal?

So, we live in a new house (moved in a year and a half ago as soon as the build was finished). We moved in during the dead of a Canadian winter. Even still, my sump pit would fill and pump put quite ...
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1answer
190 views

Yard Drainage issues

We have clay soil so we had our landscaper/yard maintenance person come out to see what could be done for our drainage issues...there were many low spots in the yard & even when he stepped on them,...
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0answers
72 views

How to determine the location of the clogged spot in floor drain using a powered drain auger, and auger tip suggestion?

I have a basement floor drain that clogs and backs up a bit (but do slowly drain all the water). I used a powered auger attempting to clear it but without total success (it drains better but not as ...
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5answers
4k views

How risky is it to drain window wells into an interior drain tile system?

During some recent heavy rains one of my window wells filled with water, which started coming into the basement through the deteriorating window. I have a drain tile system around the interior of the ...
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12answers
199k views

What could cause my washing machine to stop before the rinse cycle?

My washing machine will get stuck right before the rinse cycle. The washing machine will be full of water. The way to "fix it" is to twist the knob right after the "rinse" line, find the sweet spot, ...
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0answers
315 views

Water pooling against the garage, limited drainage options

I have a single family home in the city in MN. My detached garage abuts the alley, and I have a concrete slab next to it that spans the rest of my small property line (basically the back of my ...
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2answers
1k views

How can I prevent water from puddling in a play area?

We have clay in our yard. I have spent a good two hours digging out the square space under our slide area of our swing set. I dug deep enough to have deep enough sand for the kids. However, due to the ...
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0answers
124 views

Mystery: Water vanished from flooded basement with no floor drain

I live on a century old home whose unfinished basement got flooded this week. We had heavy rainfall which overwhelmed the city's storm sewer. At a certain point there were about two inches of water ...
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1answer
319 views

Dealing with water on a bad garage slope

The slab in our garage has settled toward the house, so whenever our cars are slushy the snow drains into the garage, where we walk and have things stored. We've been quoted about $4,000 to replace ...
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1answer
4k views

Under bathroom sink piping (exposed)

We are looking at setting up the piping for under our wall mounted sink (no vanity, ie, piping will be exposed). And after our contractor finished putting the wall we noticed that the hole from the ...
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6answers
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Why do bathroom sinks have overflow holes whereas kitchen sinks and tubs do not?

My understanding is that the purpose of the overflow holes is twofold-- To allow water to flow down you drain faster. To prevent overflow if the sink is filling faster than it's draining. If #1 was ...
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2answers
2k views

How can I prevent my washing machine's drain hose from detaching from the pipe?

We just moved into a new rental house, and have had some immediate problems with the washer. Yesterday, during the 2nd load we'd run, the drain hose detached from the standpipe and unloaded the ...
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2answers
96 views

Surface water drain blockage

My house is on a private road which is tarmaced. Immediately outside the house is a surface water drain. The drain appears to be silted up and im concerned a heavy storm could cause flooding around ...
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0answers
857 views

Building Concrete patio against the house with sunken family room for proper drainage

Just acquired this house with challenging problems. When the house was built, the builder didn't care for grading the lot appropriately. One of the rooms in the back of the house is below grade and ...
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3answers
784 views

Draining a shed roof using a water butt

I'm trying to sort out drainage for a large shed roof. It's 23 sqm. I'm going to stick gutters on it, but my nearest drain is the other end of my garden, 25m away. My current plan is to drain the ...
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3answers
509 views

Is it OK to expose drain pipes on the exterior of your house?

I live in San Francisco, and my kitchen sink drain goes through my wall towards outside of the wall of the house into a light well. The steel pipes have rusted out so I want to replace them with ABS. ...
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2answers
193 views

What pipe diameter, for gravity drain of a given impermeable area?

How do I calculate a sufficient pipe diameter, for handling a given amount of impermeable pavement? A general answer is best. In my particular case I have approximately 675 square feet of tile roof ...
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0answers
541 views

Pouring drainage channel right next to foundation, how to protect the foundation?

Ugh. How can I arrange details on this concrete pour, to not damage the foundation later? This is San Francisco Bay area (no freezing). The visible clay pipe is a high volume gravity drain from the ...
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1answer
1k views

Correct drainage setup for a wall-mounted AC?

I have a wall-mounted AC unit. Specifically, a Fujitsu ASTG24LFCB. Recently water started leaking from the interior portion of the unit. I followed the instructions in this video to troubleshoot ...
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2answers
427 views

Garbage disposal not turning on with on/off switch. Water in sink draining in dishwasher. [closed]

My garbage disposal is not coming on and water from the sink is draining in the dishwasher. Do I need an electrician?
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2answers
197 views

What is this, and I can pump my dehumidifier water into it?

We got a dehumidifier with a water pump recently and I'm just now looking for a place to drain the water. What about using this p trap in the middle of this pic: I believe that brown rubber hose is ...
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3answers
202 views

Solving active sump issues

We bought our 20 year old house in Fishers, IN (northeast Indy suburb) this past summer. Three days after moving in, we had the last of the bad summer storms. One of the pumps in our Triple Safe sump ...
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1answer
126 views

How To Identify/Fix Source Of External Water

My house is leaking! It's hard to see but if I angle the camera just right, these small droplets of moisture become visible. This is from an East-facing external bedroom wall taken during a pretty ...
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3answers
135 views

How to manage water pooling at a particular spot in my lawn?

Per the picture, I have an interesting draining issue where some rain water will drain along my roof's edge to a spot on my lawn. Problem is that the water is pooling in heavier rains (see picture ...
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2answers
111 views

Do I have drainage issues?

I am looking at buying a home and the yard is a down slope to the road in the front and flat on the sides and in the back. The house was built in 1999 and had to have the driveway replaced in 2014. ...
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1answer
716 views

Drainage on side of new driveway

A bit of a two-part question. I had a new driveway put in this week. The sides of the driveway are exposed still after the forms were removed and I wonder whether I need to rush to fill that in so ...
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2answers
403 views

Best way to drain water away from house?

When we get rain the water flows off the cement slabs and drains into the space between the pavers. This is a small amount of water, but enough that a leak has formed in the basement. We are taking ...
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1answer
959 views

Standing water in front of retaining wall okay for wall?

I built a retaining wall this past summer, and put the proper drainage behind the wall. Due to time, I never got around to handling drainage in front of the wall and in between the pool. The ...
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2answers
602 views

Slope of decking and foundation

I'm having decking installed and the boards currently slope towards the house. The underneath of the decking is soil and there is no gutter alongside the house to funnel the water to the drain. Is ...
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1answer
529 views

Does my vanity's sink need to be offset from the bottom-exit drain pipe?

I am installing a new sink/vanity in a older house. The drain pipe for the sink is down through the floor (as is the water supply lines) and not in the wall. When I position the new vanity, do I need ...
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4answers
1k views

why river stones needed close to foundation

I often observe that some houses have a strip of lawn adjacent to the foundation removed, and replaced with pebbles, river stone or alike. I understand this does not serve only decorative purpose. ...
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1answer
2k views

How to remove hydrostatic pressure from basement floor so we can finish part of the basement?

We purchased a 3000 square foot ranch that was built in 1977. We would like to finish about 1000 sf of the basement. It has poured concrete walls and a concrete floor. Currently, we have two sump ...
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5answers
5k views

What's the best strategy to reduce moisture in this garage?

First of all, I know this garage will never be dry. It's a standalone, one car garage built into the side of the hill that my house sits on. It abuts the neighbor's yard, and they have landscaping and ...
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1answer
2k views

Plastic sheeting in a french drain system

I am installing a french drain along the foundation of a residence. I have always place thick plastic sheeting (6mil) up against the trench on the foundation side and on the bottom of the trench. ...
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0answers
271 views

How to determine which size of auger to get for backed up basement floor drain?

My basement floor drain is backing up water (~10L) when washer is dispensing water during the spin cycle. It's an older house at 1955. The drain looks like it has a p-trap. I wonder how can I ...
2
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2answers
116 views

How can I get my sink's trap to fit around the rest of the drain assembly?

I'm in the process of adding a new bathroom to my house. I had a plumber rough in some connections for us, and then we are in the process of finishing it off. We used plastic accordion pipe to ...
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0answers
140 views

Can I build a concave mortared-stone sidewalk that will also act as a drainage flume?

I recently had a landscaping company install a mortared-stone drainage flume on the interior of a retaining wall at my house: It looks great and works just as well. It naturally has me wondering ... ...
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1answer
78 views

Should I install gutters before addressing draining in the yard?

My house doesn't have gutters or downspouts, so I'm planning to install them. Parts of the yard also remain wet for days after a rain, so I'm planning to install some kind of drain system in the yard (...
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1answer
392 views

How do I unclog my AC drainage line

I live in a condo with an in-home AC/heat pump. This morning we noticed that it was dripping water, and when we took off the front panel we could see standing water in the run-off tray. It was pretty ...
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1answer
385 views

Sealing crawl space vents in Pacific Northwest?

I just had a perimeter drain and sump pump installed in our crawlspace because it flooded frequently and severely during the rainy seasons. Before, I was under the impression that leaving the ...
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5answers
847 views

How should I cover this drainage garden pit in my front yard?

We just bought a newly constructed house. In front of it is a rectangular concrete pit, maybe 2–3 feet deep and roughly 8 feet long by 5 feet wide, with dirt at the bottom and several shrubs planted ...
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0answers
42 views

Is there a sealant I can use on concrete grouting with concrete pipes?

The driveway at our new house crosses over a creek, which requires 3 concrete culverts, about 16' long and 30" in diameter. The culverts are each made of two pipes with a joint in the middle. ...
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3answers
79 views

Making a small drain/vent/hole in a glass box

I've got a glass box that measures 900mm x 450mm x 450mm. The width of the glass is about 6mm thick. If I drill, cut, or grind a small hole in/through one of the faces; will it significantly ...
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1answer
4k views

Can I “just” concrete over the existing gravel in this carport?

Based on this annotated image, can I reasonably pour concrete over the existing gravel in this carport area? If no, would it be enough to add another 1-2 inches of fresh gravel first? Some details. I'...
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0answers
72 views

Drainage pipe in ground

I just discovered that my 2 inch PVC drainage pipe output was buried at about 6 inches below my front lawn. I tried to make a makeshift 1 inch trench to help the water flow out. The problem is that my ...
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1answer
251 views

Shoring up drainage culvert slope

I just bought a new house, and the drainage culvert out front along the road has several areas where the slope has collapsed, resulting in what looks like a miniature landslide landscape. What is the ...
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1answer
880 views

How do I divert rain water off of property?

My upper back yard sits on a slight hill. When it rains, water forms in holes like springs, and water continues to run down my driveway days after it has stop raining. I just had a new driveway ...
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1answer
164 views

More backyard drainage problems.

I have a steep tree and grass covered back yard where rain water flows down during storms. This exits through the garage but is causing soil erosion. I too would like to know what sort of ...

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