How to Test Drainage Pipes After Laying

apofraktiki athina
2 min readJan 6, 2018

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Drainage pipes begin in the very first manhole or inspection chamber to the septic tank or sewage system. After placing the pipes, before use the drains ought to be analyzed. Each part between the manholes must be analyzed. Its proper that this is achieved at least half an hour after jointing the previous pipe. There are a variety of ways of assessing the machine. This makes sure that the machine is air tight to steer clear of foul scents and leakages across the lines.

The testing of drainage pipes later placing starts with the next procedure. The lower end of this pipe and all junctions are firmly ceased. The entire length is subsequently full of water. After filling with water, then a stopper is inserted in the top leaving a pipe connected with drain plug. This tube is bent at ninety degrees and fired in an elevated tank. The perpendicular distance of altitude must be at least one meter. This will provide gravity flow.

In analyzing the drainage pipes, water has been poured to the header tank. This is kept complete for three or more hours. It enables absorption to happen. Following this moment, the tank is wrapped up and testing starts. Following a span of thirty minutes have elapsed assess the water level in the tank. The water level from the header tank shouldn’t have dropped. When has fallen out of there millimeters then the evaluation is satisfactory. Give 1 hour and examine the levels.

After analyzing the drain pipes and they fail the exam, assess the purpose of leakage. Its important to be aware that tests are conducted on pipes placed in trenches however aren’t covered. The purpose of leakage is then fixed and noted. This can be done with a solid concrete surround with nice aggregates. A minimal pay of one hundred and fifty millimeters is completed. Tests are then done again and verified. After passing the exam back filling is then done to your trenches.

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