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A heavy duty, precast polymer concrete channel drainage system with cast-in, ductile iron edge rails, heavy duty gratings with eight bolts per metre, sump unit, accessories and unions to sub surface drainage. Suitable for roads (slow moving traffic), airports, industrial, bus, coach and freight yards, military bases - especially suitable where heavy vehicles are turning - up to BS EN 1433 load class F900.

General information
Specification data - Drainage channels with gratings
Product Reference


Type of fall

Constant invert

Stepped invert

Joints -

Drain union, PVC-U

Foul air trap, PVC-U

Roddable trap, PVC-U


160 mm diameter

200 mm diameter


Sump unit top and base assembly

Sump unit raising piece

Endcap, closing piece

Endcap, outlet

Step connectors

Gully assembly comprising top, base, bucket and grating

Standard product features

Nominal size:

Nominal bore 150 mm.

Cover gratings:

Ductile iron slotted Load Class F900 – black.

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