These should either be accessible through an inspection chamber or a rodding eye.
Rodding eye inspection chamber.
You should also use one whenever any drainage pipe changes direction horizontally by more than 30 or when there is a straight run of more than 22m.
Rodding eyes and access chambers should be used to enable all parts of the underground drainage to be cleared and to allow removal of blockages.
Deep inspection chamber system allowing for space around the unit to work in.
Install the chamber base unit on at least 100mm of granular material.
The key point to remember is that every point on any drainage system should be accessible from an inspection chamber or a rodding eye.
Sanitary pipework needs to be ventilated to avoid air from the pipework and drains from escaping into the building.
You should use an inspection chamber whenever a branch pipe joins a main drainage run unless it s a rainwater pipe and you can rod the branch pipe downstream via a rodding eye.
Backfill using as dug or granular material up to a point just.
Watching the installation of below ground drainage around a typical residential property and explaining the principal fittings required.
Do i need a ventilating pipe through the roof.
Inspection chambers are a crucial part of any drainage system as they allow for testing inspection and cleaning of the system.
An inspection chamber is a clean out generally installed at the property line of a building and a rodding eye is a removable cover on the opening within a drain pipe that helps remove an obstruction by drain rods.
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