Question - Do I need a sump pump with a French drain?

Answered by: Randy Ward  |  Category: General  |  Last Updated: 17-06-2022  |  Views: 1079  |  Total Questions: 12

Considerations. If you have an excess of water in your basement, you may want to consider both a sump pump and French drain to waterproof your home. The French drain channels the water to the sump pump pit, which pumps the water out of the home much quicker that a pipe alone would do. The system is designed prevent water from flooding your basement. It is installed inside the basement, below the floor, around the perimeter. This French Drain controls the water, delivers it to the sump pump(s), and discharges it out of the house. The basement floor is re-cemented to its original level. French drain installation costs between $6, 000 to $10, 000 depending on the size of the basement and the amount of sump pumps that are installed. If your problem is surface water, choose a shallow french drain or curtain drain that is located uphill of the area you want to stay dry. If you are trying to prevent water from entering your basement, install a deep french drain or footlong drain that runs along your house and stops water from getting below ground. If you have an excess of water in your basement, you may want to consider both a sump pump and French drain to waterproof your home. The French drain channels the water to the sump pump pit, which pumps the water out of the home much quicker that a pipe alone would do.

https://www.bogleheads.org/forum/viewtopic.php?t=112292

A interior french drain will relieve the hydrostatic pressure by letting in the water thru the walls only to be captured by the drain and then somehow removed via gravity drain or sump pump. All in all, If I was going to stay in the home I would do something to solve the problem.

https://www.houselogic.com/organize-maintain/home-maintenance-tips/french-drains-basements/

To install an interior French drain, a waterproofing contractor cuts a channel into your basement slab around its perimeter. The contractor excavates the ground below the channel, installs perforated drain pipe and a sump pump well, and fills the trench with drainage gravel. The slab is patched with fresh concrete.

https://www.uswaterproofing.com/learning-center/how-a-french-drain-in-your-basement-will-keep-it-dry

In fact, it keeps the basement dry by preventing the water from developing the pressure it takes to enter the basement in the first place. A French drain, often called “drain tile, ” installed inside or outside the foundation, will keep most basements dry and never requires maintenance or replacement.

https://www.doityourself.com/stry/tips-for-proper-sump-pump-drainage

Tips for Proper Sump Pump Drainage When it comes to operating a sump pump, most people are aware of how to turn it on and off and the right place to put one. A sump pump has a pipe through which the water travels to eliminate excess water. The end point should be located at least 10 feet from the foundation of your house, preferably 20 feet away.

https://www.wikihow.com/Clean-a-French-Drain

French drains generally require very little maintenance, but they can occasionally become clogged or damaged. Rent an electric sewer snake to feed into your drain to clear it out.

https://diy.stackexchange.com/questions/62099/proper-sump-pit-water-level

2 Answers. The water should not be that high in the sump. It should be down to around the 2-3" level inside. First, find the float switch which should turn your pump on when the water gets deep enough (it should be a ball floating in the water somewhere, maybe under the drain pipes).

https://www.doityourself.com/forum/basements-attics-crawl-spaces/467200-installing-sump-pump-without

To install a sump pump without drain tile, cut a hole in the slab about 12" wider than the sump you buy. Drill 1/4" holes in the sides of the sump to admit water.

https://www.hgtv.com/outdoors/outdoor-remodel/how-to-install-french-drains

Here's how to do it: Dig a trench along the outside of your footing. Lay the pipe on the virgin soil. Cover the pipe with at least 12 inches of washed gravel. Lay filter fabric over the gravel to prevent any soil from clogging the pipe. Back-fill the foundation with top soil back to its original grade height.

https://en.wikipedia.org/wiki/French_drain

A French drain or weeping tile (also trench drain, filter drain, blind drain, rubble drain, rock drain, drain tile, perimeter drain, land drain, French ditch, sub-surface drain, sub-soil drain or agricultural drain) is a trench filled with gravel or rock or containing a perforated pipe that redirects surface water and

Dig a trench for the sump pump drain line that is at least 2 feet wide and the depth of the frost line in your area, plus an additional 2 feet. For example, if the frost line in your area is 12 inches, dig the trench 3 feet deep. Remove the sod in pieces and place to the side so it can be re-used to cover the trench.

https://www.uswaterproofing.com/learning-center/sump-pump-failure-your-discharge-pipe-may-be-too-sma

Using a properly sized pipe for discharge will ensure that the sump pump will perform as the manufacturer intended. Installing discharge pipe of a larger size is not a huge problem and is in fact recommended for longer runs of pipe, typically 20 feet or more.

https://www.waterdamagedefense.com/pages/sump-pump-size

A sump pit receives 20" of water in 1 minute, or approximately 20 gallons. Multiply: 20 gallons x 60 minutes x 1. 5 = 1800 Gallons per Hour (GPH) capacity needed.