Land Drainage Junctions

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LAND DRAINS
Land Drainage pipe is the name given to drainage pipes that are utilised to heal areas that are waterlogged in gardens or other areas such as sports fields. They are perforated pipes that allow water to enter through perforations. The water flows away to a disposal point like a soakaway, a storm drain or a stream. You should check with the local authority to verify your point of outfall is permissible. Land Drains should never be connected to a joint or filthy drain without the permission of the Local Authority, and in such circumstances a snare must be incorporated by the connection.

KINDS OF LAND DRAIN
Most soil drains now come in the form of flexible coils made from PVC. Although 80mm and 100mm are the sizes for applications, the pipes’ diameter varies from 60mm to 150mm. Although 100m coils can be found in a few of the sizes, lengths are 25m or 50m. A rigid Twinwall pipe should be used instead of the flexible coiled option where there’s a need for power in the pipe. Examples of this would be in instances such as or where the pipe is buried deep down and the backfill material above the pipe is heavy.

COLOUR
Unlike underground ducting where colour is an indicator of what is within the duct, colour is irrelevant when it comes to land drains. Most are manufactured in either a black or a yellow colour.

HOW LAND DRAINS WORK
In waterlogged areas, closely packed soil particles hold the water in position — there is no escape path for the water. By replacing the majority of these soil particles a clear route for the water to travel through is generated, as the gap between each piece of shingle is greater than the gaps between the initial soil particles. Gravity takes the water and hold then picks up speed, channelling downwards and to the land drain itself through the perforations in the pipe. Once inside the pipe, which can be placed in a gradient, the water is free to flow away unhindered to the point of disposal.

Land Drainage Pipes are pipes that allow water to enter through perforations. The water flows away to some disposal point like a storm drain, a stream or a soakaway. You should check to confirm your preferred point of outfall is permissible. Land Drains should never be attached without the permission of the Local Authority to a drain, and in these circumstances the relationship must incorporate a snare. Kinds of land drain,
Most soil drains now come in the kind of flexible coils made from PVC. Although 80mm and 100mm are the sizes for applications, the pipes’ diameter varies from 60mm to 150mm. Although coils can be found in a few of the sizes, lengths are 25m or 50m. Where is a need for power in the pipe, a rigid Twinwall pipe ought to be used rather than the coiled alternative. Examples of this would be in which the pipe is buried down and the material over the pipe is heavy. Unlike underground ducting where colour is an indicator of what’s within the duct, colour is irrelevant in regards to land drains. A route for the water is generated, since the gap between each piece of shingle is greater than the gaps between the soil particles by replacing most these dirt particles with material like shingle. Gravity takes the water and hold picks up speed, to the land drain and channelling downwards itself through the perforations in the pipe. Once in the pipe, which can be placed in a gradient, the water is free to stream away unhindered into the point of disposal.