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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19 views

Can a bathtub work without a drain waste or removal shoe?

I guess the drain waste or removal shoe was missing which I saw after trying to change out bathtub drain. Is this a really important part and is it difficult to install?
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43 views

Cockroaches coming from floor drain in bathroom, way to prevent it?

Basically I have Oriental cockroaches coming from the bathroom floor drain. Now the floor drain is not really in use, as in there hasn't been water going in there as there is only a sink that works in ...
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4answers
807 views

How can I prevent this ice build up on my driveway/walkway?

My house faces North. I have down spouts on all four corners of the house. My challenge is that in the late winter/ early spring, the sun melts the snow off the roof and comes down the downspouts. ...
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2answers
61 views

Can I approximate flow rate of a roof with known flow rate of another roof?

My main building roof I need to know the flow rate (FR, for example Litre per minute) of water coming out from the gutter of this roof. The easiest way would be catching the flowing water coming out ...
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2answers
93 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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1answer
53 views

Proper Procedures for Regrading Under a Deck?

We have been getting tons of water in our basement during downpours (not regular rainfalls). The water comes in where the deck is located. I ripped up some deck boards and found the soil underneath ...
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2answers
76 views

What are the difficulties in installing an in-floor drain in a laundry room?

I’m looking into a new construction home that lacks a floor drain in the laundry room. As I’m not a plumber, I’d like to understand how trivial or not trivial it is to add this, in case the builder ...
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1answer
57 views

Can I extend sump pump outlet with elbow outside the house?

My house has a sump pump that rarely turns on (maybe once a year). The sketch below shows the current outlet setup (blue line). The outlet at the house is only about 8" above grade. In winter, when ...
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1answer
95 views

What is This White PVC Pipe in My Yard?

There is a white PVC pipe sticking out of the ground in my yard. It must have been put there when the house was built, before I was the owner. What is this pipe for? It is about 4 or 5 inches in ...
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1answer
39 views

Is my soil adequate for a dry well installation to collect roof runoff?

I did a soil percolation/infiltration test to determine how quickly water drains through the soil: Dug a hole approximately 12" in diameter to the planned depth of the dry well. Filled with about 2 ...
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2answers
57 views

What are alternatives to an in-floor drain in a laundry room?

Let’s say you had a house and, for whatever reason, it was not possible to have an in-floor drain in the laundry room. Are there alternatives that would ideally provide the same value in case of a ...
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5answers
183 views

How can I prevent my AC condensate pipe from making my soil soggy?

I live in a Townhouse in NC, in a community under a HOA management. I've been doing some improvements on my patio. One of them that I couldn't find a solution is what to do with the condensed water ...
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2answers
67 views

Downspout Clogged

I have a downspout that runs directly into the ground. My first question is where would a downspout that enters the ground like this lead to/empty out to? My next problem is that this spout is ...
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1answer
48 views

Keeping Large Channel Trench Drain Clear

My new garage has a large Channel trench drain in front of it. The architect oversized the trench drain and used a non-typical 12-inch drain. I'm confident that I won't get water in my garage. But on ...
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2answers
233 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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1answer
55 views

Drain clay soil?

In my back yard I have a drainage problem. The soil has a thick layer of clay about 5 feet deep. In other words there is about 12-16 inches of loam with 5 feet of clay below it, then a fine packed ...
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1answer
41 views

Is a 7 degree slope for a roof too small in a rainy area?

I want to build a car port off my house. Due to window placement the highest part of the roof could only be 10 feet above ground. It will extend out 16 feet. If I want the low point of the roof to be ...
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2answers
284 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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40 views

Blocked sink, waste forced back when rodded

I drew a quick diagram here (you will have to forgive the crudeness): What started as a small blockage with slow draining has grown to be a near complete blockage. We put some water down and over ...
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1answer
42 views

Effective ways to get rid of smell in basement from drain?

Background So this weekend I got to have all the fun of unclogging a clogged drain. The drain was from a kitchen sink but I was able to go through a lower access point and run a motorized snake ...
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28 views

what to fill surface water drainage trench with

Cabin is at bottom of steep driveway. Water runs down and into crawl space. One very large ditch about 15 feet up gets most of it. This ditch gets remainder. On hand - 1 inch round stone, tyvek, ...
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1answer
383 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
122 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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1answer
36 views

How to pave a small area but get maximum drainage / permeability

TL;DR: How should one going about creating a hard, smooth surface that drains well, where slope can't be used to achieve the drainage. We have a small 1/10th acre city lot, and two large dogs. Their ...
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2answers
56 views

Are there outward signs of a French drain?

I'm wondering whether my house has a French drain to keep water away from the foundation. Is there a way to find out that doesn't involve digging up the yard? (I.e., would there be any above-ground ...
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2answers
194 views

How should I put a gutter downspout on a corner of my house surrounded by pavement?

I'd like to install gutters on my house to direct water away from the foundation, but one front corner is surrounded by driveway on one side and a paved walkway on the other curving back to the front ...
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1answer
30 views

Proper Trap Diameter

My kitchen sink drains slowly even after I snaked it 20ft without hitting any consequential clogs. I'm thinking there could be a couple of issues: The trap diameter (2.5") is too wide for the inlet ...
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1answer
70 views

My mini fridge had a frosty back wall, so I turned it off for 24 hours. There was water on the floor through the back of the fridge, why it happened?

I know that there is a drain hole, and then that water is drained through it and then evaporated by the evaporator, and when the fridge does not work - nothing will evaporate the water. So does the ...
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4answers
88 views

How to fix drainage clog in the shower?

Drainage in my bathroom is keep getting clogged. I tried using a snake by drilling manually ... poured at least 4 cans of Drain clog remover on different time period... in the last 3 days.. however, ...
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1answer
750 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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1answer
33 views

Drainage area for a French drain

I have a muddy backyard that has minimal slope toward the back property line, and I'm considering installing a French drain to improve the situation. Is there a general rule as to how much area a ...
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2answers
38 views

Drainage issue, water causing foul odor in home

I live in an apartment building where the building is built on a concrete slab. There is NO overhead drain pipes or gutters and the water pools up along the side of the building next to my living room ...
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0answers
29 views

Fence post behind retaining wall, drainage concern

I need to replace an old 2ft retaining wall(railroad ties) along my property line. There is not currently a fence there so I was going to take this project to add one. I am located in the PNW so there ...
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0answers
34 views

Proper grading around the foundation

I know that the moisture problem we have is being caused by positive drainage towards the house. I've seen recommendations for simply properly grading the soil (6 inch drop for every 10 feet) and ...
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3answers
61 views

How damaging can a 3 meter (10 feet) long drain hose be for the washing machine pump and microorganism growth?

I have two washing machines and they are placed one next to each other (this is the only way I can position them due to the space). The first one is connected to the drain pipe under the sink ...
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0answers
12 views

Is there any reference (or probably web/online calculator) to figure the size for downspout pipe for a known flow rate

The total flow rate of water collected by the gutter of my roof is known (50 L/minute). I need to figure the safe size for my downspout pipe for this roof. What's the minimum diameter for the ...
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0answers
31 views

Use cement blocks for egress window well surrounding [duplicate]

I need to make an egress window and the depth below grade is 24". However, most egress window wells at home improvement stores are 20" in height and I need to buy 2 of them which made the cost double....
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1answer
111 views

Is channel in basement standard design?

Determined this is a 4 inch slab on top of original slab. Possibly with internal drainage channels from center of basement to edge, where it runs to pictured channel and sump pump. House has channel ...
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4answers
130 views

Who should I call for a roof drain leak?

We have a balcony above our garage attached to the house, that is surrounded by 3 stucco walls and has a drain in the middle that leads into our garage. Example of random balcony with drain similar ...
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1answer
47 views

Should I fill my crawlspace drainage trenches before putting down a moisture barrier?

I recently purchased a house by Lake Erie which has a crawlspace foundation. There are existing drainage trenches throughout it dug into the hard clay, which all drains to a sump pump. These trenches ...
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4answers
8k views

How do I build a French drain?

There's a shed near the side of the house with a roof that's pitched to shoot water at the house's foundation. That side of the house also has no gutters. There's a very slight grade to send water ...
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2answers
966 views

Underground downspout pipe may be leaking

I have been getting more and more water in my basement in the last few years. Every time it snows and melts, water trickles in around one spot in the basement floor. I had someone come out to take a ...
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1answer
620 views

What is the minimum distance from property line water can be drained?

My city (Redmond, WA) enforces the 2015 International Residential Code, but I could not find any requirements around distances of downspout and/or sump pump drainage from property lines. Perhaps I'm ...
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1answer
47 views

Will a french drain help the runoff ditch in front of my house?

Like most rural yards I have a shallow runoff ditch between the road and my main yard. Over the whole 40 ft span the ground seems to slope in a consistent direction towards a larger common ditch/creek....
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3answers
1k views

Can this water damage be explained by lack of gutters and grading issues?

We are currently midway through a major renovation to an old house. Part of the renovation was digging out a new basement and adding a new foundation around it. The basement has a ceiling height of ...
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4answers
3k views

Removing Oxbox GripTip

Hey guys! I'm trying to install a drainage line and I came across this Oxbox drainage line cover. I couldn't figure out how to remove it and have been attacking it with pliers to no success. Does ...
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1answer
45 views

Moving wet appliances away from sink around kitchen L bend and past oven

I am renovating my kitchen so that I can introduce a dishwasher and extend my counter top. My kitchen is a small L shaped one, and in order to get everything I want in the design I need to move my wet ...
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1answer
78 views

Are gutters the only way to fix this ice accumulation issue?

Whenever it rains or snow melts in the winter these rain guards drop water right in front of the walkway which freezes and causes an ice mess. I am reluctant to add a gutter section because no other ...
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3answers
120 views

What kind of stone makes the most porous fill? (french drain)

I need to create some drainage in the form of some dry wells and french drains. What kind of stone will maximize the porosity to get good water flow? I originally thought just ordinary gravel, but a ...
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6answers
12k views

How can I thaw a frozen exterior drain quickly?

I have a driveway that is angled down slightly towards my house. About two feet before the garage there are two long drains that cover most of the drive way. Right now one is 100% frozen and the other ...