Basement Sump Pit Design

Most sump pumps use this basic design.

Basement sump pit design.

The pit should be deep enough so the pump can remove the water well below the bottom of the basement floor and large enough in diameter to accommodate two pumps in case a battery backup is wanted or needed. A submersible sump pump is placed in a collection pit located below floor level. Well yes and no. 4 locate sumps as close to the basement exterior wall as possible.

Sump design criteria a sump pit details 1 sump pits are to be a minimum of 750 mm 30 deep and 0 25 m2 in area. 2 sump pits are to be fitted with a tightly fitting removable cover. Your basement will get wet eventually. Generally speaking if you never happen to see water gathering in your pit and you see no evidence that your pump has ever been activated chances are good that you don t have the leakage that you thought you had or the water is gathering at a different location than you thought it was.

A sump pump works to keep ground water from making its way into your home. They sit on a bed of gravel or rocks at the bottom of sump pump pit. The standard sump pit insert available in home improvement centers is 26 gallons and 18 inches diameter. Most pits are approximately two feet wide and one and a half feet deep although pits up to three feet deep can be.

The sump pit s optional perforated sides allows previously trapped groundwater to freely enter the system alleviating any potentially damaging conditions. If you have some basement wetness issues in a single corner you can eliminate this by installing a sump pump evacuation system. After excavating the sump hole a properly sized sump pit should be installed to connect the drain tile and collect the ground water. In many cases the pit needs to be a minimum of 24 inches and up to a depth of 36 inches.

A sump pump pit is there to collect water wherever it might be coming from. The typical pit is 30 inches in depth and 18 to 24 inches across. A grill or grating allows water to flow into the pit while allowing people to walk over it and the sump pump connects either to a storm drain or to the municipal sewer system. If unwanted water is making its way into your basement then you may want to consider installing a sump pump.

Failed basement sump pit. The discharge pipe is hooked up to that circle jobby on the left. Measure the diameter of the pit and add 6. The engineered design creates a natural well effect which will eliminate hydrostatic water pressure around and under your home by creating a dry basement.

3 sump pits will be constructed of concrete plastic or non corrosive metal. Step 1 the firs thing you need to do is cut out the concrete where you want to install the sump pip.