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Sewer system designing for the streetwise developer







Sewer system designing for the streetwise developer

Drainage pipes are often used in systems which carry the waste products from utilities to the septic tank. For household sewer systems, the inspection chambers are connected by pipes between them. The system should be self cleaning and prevent blockage. A proper slope is required to ensure this smooth flow. The system uses mostly UPVC tubing. Once laying has been carried out, it is vital to test the system fully before putting it into commission. Particular attention should be paid to the pipes between the inspection chambers.

Drainage pipes need to be laid down in channels dug in the earth. The standard trench depth that is used is between three hundred and five hundred millimeters. Concrete structure is built to shield the system in case there is a walkway, parking zone or driveway above it. When commencing the work, excavate to the required levels. These should be graded towards the the tanks or sewers. Maintain a one to four ratio for the slope you create. Ensure that the bottom of every trench is well rammed to get a uniformly compacted surface. Use pegs to set the levels in the trench bottoms.

The drainage pipes should never be laid down haphazardly, they are to be put in a straight line. The pipes should then be connected with sockets so that it can finally reach up to the building. The ground on which the systems lies should be even and solid. Male and female sockets should be connected using good quality adhesive. When using the adhesive, the manufacturer’s instructions should be followed. When connecting to the inspection chambers, the pipe should go into the full wall thickness. Avoid debris inside the pipes as it will impede water flow.

Inspect and scrutinise the drainage pipes while laying them. This is important to make sure that there is no leakage. Ensure the socket recesses are formed in the foundation. Keep them short where possible. The inspection chamber’s entry and exit points need to be graded well, in addition to being leveled. After all joining work is complete, backfill the trenches to required level. Septic tanks or sewers can now be connected. The drainage system is now ready once you connect to the utilities.

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