Floor Sump Design

The english word sump derives from the german sumpf which is a marsh or swamp.

Floor sump design.

How much turnover should we have. The central front high level entry sump design is referred to as type a1. 2 sump pits are to be fitted with a tightly fitting removable cover. A submersible sump pump is placed in a collection pit located below floor level.

Design guidelines floor clearance the pump manufacturer can make recommendations for floor clearance x 22 maximum sump velocity of 1 ft per second. The minimum suction elevation of a pump is important. The design of the sump pit will greatly affect the efficiency and effectiveness of the sump pump system. Don t forget in a below ground basin lift h lift is from the bottom of the sump and not from the floor level.

You probably don t have a swamp in your basement at least not most of the time but it s highly possible that you have a sump. It is important to verify the actual requirement of the pump your schedule. The exact sump design varies with the number of pumps and pump size. Back wall 75d distance to pump center line.

With a small sump a 2 chamber design will allow the return pump chamber to hold enough water. Minimum 5d inlet distance before a sump break. Most pits are approximately two feet wide and one and a half feet deep although pits up to. 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.

Avoid abrupt changes in inlet sump floor close to pump. The 3 chamber design shown in this article will work for the majority of larger sumps. The fasteners for the hds75 are corrosion resistant stainless steel and the pump is protected by a powder coated epoxy finish. In this configuration the flow does not have to make a horizontal turn which might induce mass rotation in the sump.

Bell gossett publishes minimum pump off levels for their sump and sewage pumps. It s a small pit or depression in the floor of a basement that collects water. Pipe diameters upstream from the sump. Quality sump pits are available through quality basement waterproofing contractors such as wci basement repair.

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. 4 locate sumps as close to the basement exterior wall as possible. A specially designed baffle wall minimizes. 3 sump pits will be constructed of concrete plastic or non corrosive metal.

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.