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Linear Drainage
What is linear or channel drainage?
Linear drainage is also known as Channel or trench drainage. The system of drainage which drains along the entire length, rather than one specific point is known as linear drainage. The trench used for channel drainage is not that deep so it is easy to install in places with complex and unknown underground services and utilities.
Channel drainage offers an easy installation, low-cost and elegant look and lowers the price of underground installation of pipework.
What is grating in linear drainage?
Grating is a covering to a channel. The length of the grating is usually one which fits the accompanying channel. The load class of grating and channel is the same as mentioned in the chart below.
Using drain grates is important as it protects from blocking, injuries, and damages.
Load Classes for channel drainage
|
Class |
Test Load (kN) |
Typical Usage |
|
A |
15 |
Pedestrians and cyclist only |
|
B |
125 |
Car park, Residential Driveaway, Slow moving traffic |
|
C |
250 |
Small Car park, kerbside or service station |
|
D |
400 |
Carriageway use – All public highways |
|
E |
600 |
Commercial and industrial heavy loads |
|
F |
900 |
Exceptional loads – Airports, Military, etc. |
What are the materials used to make the channel body?
Materials used to make a channel body are
- Steel
- Plastic
- Concrete
Application areas for linear drainage/ channel drainage
- Housing
- Landscaping
- Internal drainage
- Parking areas
- Retail and commercial developments
- Industrial developments
- Highways
- Residential developments
- Rail
- Airports and docks
- Utilities
Advantages of channel drainage
- Collects excessive rainwater
- Decreases the risk of soil erosion
- prevent water overflow
- Easy to install
- Corrosion-resistant material
- Provides seamless finish
- Designed in such a way to reduce foul smell
