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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30 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
45 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
237 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
40 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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26 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
43 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
62 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
70 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
96 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
149 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
50 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
29 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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35 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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17 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
142 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
67 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
43 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
63 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
26 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
33 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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1answer
45 views

Should I build a segmental retaining wall on top of a grade beam with piles?

80 foot long retaining wall that ranges from 4 feet tall on one end to 12 feet tall on the other. I am planning on a segmental wall made of Versa-Lok "Bronco 18" blocks - 1200+ pounds each. ...
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5answers
4k views

Does a drainage pipe need to be continuously sloped?

I need to move water from the back yard to the front yard, to combat the monsoon season, in which a 50 gallon container in the backyard can fill up in 1-2 minutes. I bought some 4" piping, and ...
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2answers
371 views

Fixing slope on concrete patio - grinding a drainage channel?

My house has a concrete patio (about 16x16 though its 5-sided) which is not sloped properly for drainage. In some sections it seems basically level, in others (near the doorway of course) it actually ...
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2answers
32 views

Metal drainage grate, available off the shelf, or will need to have it custom made?

I need a metal drainage grate that will be at the foot of some stairs leading into a basement. Is this something I will need to specially order or have fabricated, or can it be bought standard? I did ...
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1answer
39 views

Patching gap in drainage channel

Our property includes a dam with a storm overflow. I've discovered that the drainage channel, 50 years old, has started to slide apart, leaving a 2-3 inch gap in two places. When water drains, it ...
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0answers
22 views

BMP Drain Inspection

We have a new house, and we were going through our "stuff to do each year" list in the house manual. We have what we colloquially refer to as a "box of rocks" that's part of the ...
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0answers
32 views

Is this wet venting solution ok?

I am completely redoing my basement bathroom and am wondering if this way of venting the plumbing is ok. From what I've seen, wet venting is the most money and time efficient way to do it, so I would ...
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0answers
48 views

Would filling this part of my patio with drain rock improve drainage, at least in the short-term?

I moved into my house this time last year, so I don't really know much in the way of its history, and how things have been done etc. In the back garden there is a patio, and this patio is split into ...
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1answer
69 views

Dishwasher drainage problem

I recently got a "new" (used) dishwasher and have installed it myself. It is a Frigidaire Ultra Quiet iii. There is a problem with it draining water. Here is what the setup looks like: The ...
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2answers
45 views

Exterior foundation drain pipe location relative to the footer

Our house—built in 1989 in the Kansas City, MO area—has a walk-out basement with exterior foundation drain pipes daylighted. The drain pipe on the east wall had a complete blockage, so I dug it up in ...
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2answers
160 views

Slow water drainage, then air bubbles from shower drain

I tried loads of things that may clear a blocked shower drain (store-bought liquids, vinegar+baking soda, running hot water through) over the past months, but the water still drains very slowly. After ...
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5answers
2k views

Wood fence posts in clay

I'm installing a wooden fence around my back yard using prebuilt cedar panels and 10 ft (3+ m) 4x4 pressure treated posts buried 3 1/2 to 4ft (1+ m) deep. The posts are packed in with pea gravel to ...
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0answers
19 views

Interior french drain with 3" footing

My basement (built 1945) has been taking on water seepage via the cold joint between the wall and floor slabs. This has been fairly steady for the last month due to a very high water table . I've ...
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6answers
8k views

Is it safe for plumbing to use rainwater to flush toilets?

A couple of articles encourage the use of rainwater to flush toilets. (article 1, article 2) However, would it be safe to do so if the rainwater in your particular area has a pH that is considered as ...
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1answer
65 views

What can I fill my deck beam trench with to prevent standing water?

I am in the process of building a multi level deck where the second level would be low to grade. As such, i had to dig some trenches (about 10-12" deep) as part of the beams will be below grade. ...
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1answer
101 views

Washing machine E03 error

I have Hoover washing machine. During my last wash cycle it suddenly stopped washing and gave me E03 error code. The E03 error code on your Hoover washing machine means that the drum isn't draining - ...
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0answers
28 views

Tanked balcony drain has cover stuck down with sealant - how to remove?

We live in a leasehold (nearest US equivalent: condo) flat (apartment) at the top of a seven-storey building. Only our floor has real balconies, and the floor of each balcony is effectively the roof ...
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2answers
37 views

Algae build up from pond is clogging sewer drain

A small pond about 100 feet across in my yard (located to the right in picture below) drains through the small path into a nearly non-grated sewer drain. In recent years, more and more algae has been ...
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1answer
97 views

Ejector pump instead of sump pump in basement

I need both groundwater drainage as well as laundry room sewage pump in basement. Should they be separate pumps (asump pit with pump and 40 liter sewage ejector reservoir with pump) or could ground ...
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1answer
115 views

Drainage pipe to nowhere

For the last year, one of my gutter is constantly clogged and overflow. The gutter is almost impossible to reach so I had to hire someone to clean the gutter. Last weekend I decided this was enough ...
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2answers
698 views

ground level deck drainage suggestions?

I am Looking for ideas to keep water from pooling under a new ground-level deck. The frame in the photo was dug 8-10inches below the ground. I'm using composite decking so I need minimum 6 inches ...
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2answers
146 views

Can there be too much water for a drain system to move?

My neighbour built a new home and laneway home, completed in 2015. He excavated much much much lower than previous home. Original house had a 3/4 basement in ground,with steps up to front door. Now ...
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0answers
27 views

Extending pvc drainage pipe that's “type c” (tele-duct)

I need to extend some 4" PVC drainage pipe. The problem I'm having is that the existing pipe is "Type C" ("tele-duct"). It has a slightly different outer diameter (4.350") than a typical PVC pipe (e....
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2answers
64 views

Why don't segmental retaining walls need any piers or anchoring below grade?

I have built two soldier pile retaining walls (where you slot the boards between I-Beams you sink into the ground) with good success - but that success was due to: sinking the piles at least their ...
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1answer
54 views

Is gravel necessary for post hole drainage in sandy Florida soil?

I am installing 6’ vinyl privacy fence in FLORIDA. I would like to think the sandy soil would drain well enough. The labor and cost of digging deeper holes and buying and delivering gravel doesn’t ...
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0answers
36 views

How fix a smoothie drain pipe in kitchen double sink

To solve the problem is de 2 draining pipe are draining too slowly ;DOUBLE SINK WITH DRAIN HOLE 40mm ;can I joint the two sink drain together with T-fitting at the center of the 2 sink and then out ...
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2answers
156 views

Corrugated vs Solid PVC for sump pump drainage

I am about to do drainage project for my sump pump discharge drain. I am confused about what kind of material to use either solid PVC or corrugated. I live in the Chicago area where winter temp gets ...
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1answer
158 views

What stops water from stagnating in a gutter drain line that has a pop-up emitter?

I'm planning on burying some rigid PVC pipe to attach guttering on my house to a few pop-up emitters like this: But the pop-up emitter makes a right angle UP, so doesn't that mean that basically ...
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1answer
134 views

Is there too much gravel under this deck?

I had a contractor put a layer of gravel under my raised deck. The deck is about 4 feet off the ground and the space underneath it is enclosed. The ground under the deck was dirt with some landscape ...
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1answer
97 views

Sandbox with roof, but it floods and sump doesn't do it

Built a roof covered sandbox for my kids, put a tarp at the bottom so groundwater wouldn't raise up, but the opposite problem keeps happening. My kids keep flooding it with water, and the and then ...

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