Floor Sump Design

2 sump pits are to be fitted with a tightly fitting removable cover.

Floor sump design.

With a small sump a 2 chamber design will allow the return pump chamber to hold enough water. The 3 chamber design shown in this article will work for the majority of larger sumps. A submersible sump pump is placed in a collection pit located below floor level. The fasteners for the hds75 are corrosion resistant stainless steel and the pump is protected by a powder coated epoxy finish.

It is important to verify the actual requirement of the pump your schedule. It s a small pit or depression in the floor of a basement that collects water. Don t forget in a below ground basin lift h lift is from the bottom of the sump and not from the floor level. 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.

4 locate sumps as close to the basement exterior wall as possible. Pipe diameters upstream from the sump. Back wall 75d distance to pump center line. Avoid abrupt changes in inlet sump floor close to pump.

How much turnover should we have. If the drain runs to a sewer pit which is not the same as a sump pit it s permissible to drain a washing machine or sink in the floor drain. 3 sump pits will be constructed of concrete plastic or non corrosive metal. A specially designed baffle wall minimizes.

Quality sump pits are available through quality basement waterproofing contractors such as wci basement repair. No longer do you have to settle for a glorified trash can in your basement floor. The minimum suction elevation of a pump is important. Design guidelines floor clearance the pump manufacturer can make recommendations for floor clearance x 22 maximum sump velocity of 1 ft per second.

The everbilt 3 4 hp submersible sump pump is the everbilt 3 4 hp submersible sump pump is constructed of heavy duty cast iron and features a psc motor for energy efficiency and savings. If the basement floor is lower than the spot where the main sewer line exits the home the floor drain could connect to a third type of drainage system a sewer pit with an ejector pump. The design of the sump pit will greatly affect the efficiency and effectiveness of the sump pump system. Minimum 5d inlet distance before a sump break.

The english word sump derives from the german sumpf which is a marsh or swamp. Bell gossett publishes minimum pump off levels for their sump and sewage pumps. If a small tank must be used say 10 20 gallons then you will probably have to alter the design and not use the center chamber. Most pits are approximately two feet wide and one and a half feet deep although pits up to.

In this configuration the flow does not have to make a horizontal turn which might induce mass rotation in the sump.