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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3answers
36 views

Leveling options for an uneven concrete floor in basement?

I live in an old house (somewhere between 1870 and 1920) with a retrofit basement. I also have a high water table, so during the spring rains, we get a trickle of water in the basement ( we've come ...
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1answer
41 views

Should I be worried about the weight of french drain gravel on my foundation?

Should I be concerned about the added weight of 3/4" river rock in a french drain 12 inches from my foundation? If there is already a crack in the foundation and a slight lean, will the weight of the ...
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1answer
39 views

Overflow Pipe Popped off Drywell

After a severe rainstorm I noticed the back overflow pipe of our drywell popped out of the ground. I went back and set it back into place but after inspecting the area, I noticed a lot of erosion ...
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1answer
36 views

Installing a porch over a concrete patio, issues-concerns?

I am working on a house right now and we are trying to figure out what to do with the backyard. Right behind the house there is a 4" concrete pad. It is about 14'x25' and sits pretty flat with a ...
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2answers
41 views

Non woven geotextile fabric for french drain clogging in heavy clay

I did a lot of research on french drains before I hired a landscaper to put one in a month ago. Followed advice of the French Drain Man and used 4oz non woven geo textile fabric. I also had standing ...
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1answer
104 views

Can I get rid of my sump pump?

My job moved me cross country and we bought a house (3 yrs old) that sits on a hill. It has a walk-out basement and the hill slopes away from there, yet the house was built with basement drainage ...
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3answers
84 views

Water pressure from slope causing crack and lean in foundation. Is a French drain the answer?

We have a concrete basement foundation. It's the type with a retaining wall that can only be seen from inside the basement and a second outer wall on top of which the structure is built. The ...
1
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1answer
71 views

Connecting a washing machine and tumble dryer to the same sink drain

I'm thinking on using one of these to install a washing machine and a condenser tumble dryer to the sink's drain pipe of my utility room. Why is one inlet pointing upwards and the other one ...
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0answers
34 views

Time it takes soupy soil to firm up

Just had a curtain drain to address yet another spring in our back yard that was causing dampness in the crawlspace. If I could bottle this stuff I might become rich! After the curtain drain was ...
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2answers
54 views

How best to repair a cavity in the base of a retaining wall

I'm looking for some pointers on how best to go about repairing a hole and cavity in slate wall. The wall is the retaining wall at the rear of a house. Above and behind the wall there is a garden. The ...
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2answers
74 views

Driveway Erosion Problem

I live on a hillside and due to the road being narrow large trucks and school buses use an old driveway to turn around. My problem is that every time it rains it tends to wash the gravel away and ...
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3answers
81 views

Reduce suds created from washing machine rinsing? [closed]

I live in a 6th floor of an old building with piping that clogs easily and frequently. We have to fix that, but it's expensive so we have to find temporary alternatives in the meantime. Our washing ...
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2answers
71 views

Filling an outdoor drain with concrete to reduce standing water

I have a semi-outdoor drain that looks like this (I have removed the grate): The container of the drain is plastic, and there is a good 6 inches from the bottom of the drain to the pipe where the ...
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1answer
63 views

Washer and toilet water backing up into shower. Can't change plumbing. What can I do?

Renting a tear down, landlord does next to nothing, house will be torn down. Water drainage from house is not working, also not going to be redone. So the problem is drainage for 3 showers 4 toilets ...
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1answer
35 views

Water pump not working as expected

I have a problem with some raw water (it usually has sediment and gunk) that I need to pump from below ground level. I came up with something that looks like the image attached to get cleaner water ...
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5answers
8k views

Is it a problem that my bathtub drains directly into the wall?

Here is what I see inside the hole My landlord said is ok. But I think water going directly to wall can't be a good idea. My question is how bad is it? Needs fixing right away? If needs fixing, how ...
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1answer
37 views

Bathroom addition - pluming drainage problem

New here, and i am a rookie home DIYer. Looking for some help Me and a friend of mine(tradie who knows much more than me) have started trying to add a bathroom to an old double garage at the rear of ...
7
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1answer
405 views

Why is there a 1/2-inch hole drilled in my heater exhaust?

I have a Carrier high efficiency furnace which uses 2-inch PVC pipes to pull in combustion air from outside and exhaust the combustion gasses back outside (through a concentric vent, but that's not ...
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1answer
69 views

Foundation flooding caused by new septic line

We've been living in our house for 10 years, and a few years after moving in our sewer line began backing up every 6 months or so. Each time, we'd have to pay a plumber to come in a "roto root" or ...
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0answers
46 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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0answers
58 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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1answer
81 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 ...
2
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1answer
830 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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2answers
166 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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2answers
152 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
268 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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1answer
67 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
95 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 ...
2
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1answer
64 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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1answer
59 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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0answers
49 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
44 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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0answers
41 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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2answers
59 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 ...
3
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2answers
619 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
32 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 ...
0
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1answer
71 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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1answer
39 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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4answers
92 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, ...
0
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1answer
47 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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0answers
41 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
38 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
108 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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2answers
63 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
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
33 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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2answers
111 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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1answer
77 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 ...
5
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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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1answer
124 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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