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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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1answer
3k 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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0answers
694 views

extra pit next to sump pump

I have a basement with a properly installed sump pump. I have another hole approximately 1 foot away from the sump hole cut to the same dimensions. There are at least 2 pipes that run into the unused ...
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3answers
935 views

Can I run drainage pipe a short distance above the frost line

I live in SE Michigan where the frost line is between 3 and 4 feet. I have a house with a basement I'd like to finish and would like to run the water as far away from the house as I can. Clay soil. ...
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60 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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0answers
125 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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0answers
92 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
131 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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2answers
73 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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520 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
102 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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0answers
335 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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2answers
433 views

How to pour a concrete walkway directly up to a T style foundation

This is a side cutaway drawing of an existing 1930's stucco wall, showing the stucco in red and the original foundation. There is no weep screed, and originally the stucco was troweled right up to ...
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1answer
314 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
248 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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1answer
670 views

Water Softener Drain Line with Loop - Flexible PVC to Sharkbite?

So, I bought a Genesis Revolution upflow water softener to install in my first house in Laveen AZ. We have a water softener loop already plumbed into the house. The airgap is in the laundry room ...
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2answers
137 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
3k views

Are there benefits to having the dishwasher drain into the garbage disposal?

My dishwasher is not draining properly and while taking a look at things I realized that the drain hose is not tied into the garbage disposal. Is this incorrect? Are there certain benefits for having ...
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3answers
72 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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1answer
101 views

Connect 110mm pvc to clay oblique junction

I want to install a toilet and replace the existing 60mm cast iron pipe with 110mm pvc It looks as if the cast iron has been cemented into the clay pipe junction I’m trying to avoid replacing the ...
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2answers
259 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
474 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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4answers
260 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
943 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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1answer
1k 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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2answers
194 views

How to reattach detached cable onto a drain hand auger?

I have this drain hand auger, But the cable is detached when I extend it out for cleaning, now I don't know how to attach and wind it back onto the device, I also can't find any manual or tutorial ...
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0answers
107 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 ...
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2answers
251 views

Basement floor drain back up, 1/2" snake failed, what next?

The basement floor drain is having backup after the wash cycle from the washer, it doesn't backup from other water usage. I had a plumber came in to power snake with 1/2" tip (and few other tips) ...
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0answers
110 views

My shower doesn't drain well in the first few minutes

When I take a shower the water doesn't drain well in the first few minutes. After about three to five minutes there's a few bubbling sounds from other drains, and then the shower drain works perfectly ...
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2answers
111 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
100 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
291 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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1answer
67 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
206 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
242 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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2answers
65 views

Drainage fix: Flat concrete slab up over my vinyl siding by 2 inches. Is this acceptable?

I am a new home owner. The concrete on my front porch sloped towards the house so every time it rained water drained between the porch and the house. Last week after 8 months the builder took out ...
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0answers
41 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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1answer
163 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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3answers
72 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
1k 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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2answers
105 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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0answers
67 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
302 views

Drainage downhill under slab with block retaining wall

I would like to install an allan block retaining wall (3' at its highest). I'm going to build a shop 25' downhill from this retaining wall, and want to have a poured slab for parking vehicles on. In ...
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1answer
141 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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1answer
112 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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2answers
520 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
34 views

outbuilding drain into dry well

Aside from code differences between jurisdictions, is it acceptable to tie an outbuilding floor drain into a dry well drainage system? The outbuilding does not have a water supply, the slope of the ...
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0answers
82 views

Is soil in an open rock spoon drain a blocker? Think we've got a cowboy job done

Being on a slope, our place has a lot of problems with surface water flooding. We've had a spoon drain installed along our upper boundary to redirect surface water away from the house. Here's a pic ...
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0answers
901 views

Where to lead french drain end in backyard, cookie cutter neighborhood

I am going to install a french drain to alleviate some of the soggy muddy areas after rain. First, my backyard slopes and graded to drain to the rear left of backyard. There is a small valley to ...
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1answer
575 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 ...
2
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1answer
568 views

Can I route a drain pipe under a gas line?

I want to reroute an outdoor drain pipe (rain water) to a better location but there is a gas line that is in the path that the drain pipe needs to go. Can I route the pipe below the gas line? I'm open ...