Inspection Chamber Cover and Frame Square to Round For Clarkdrain Risers - 320mm Diameter

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Code
CD356

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Inspection Chamber Cover and Frame Square to Round For Clarkdrain Risers - 320mm Diameter
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More Information
Code CD356
EAN Code 0691208244978
Brand Clark-Drain
Colour Black
Material PVC
Dimension 380mm (L) x 380mm (W) x 30mm (H)
Guarantee 10 Year Manufacturer Guarantee
Specification BS 7158
Size 320mm Diameter
£23.08 £19.23
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300mm clear opening.

Load capacity of 15kN - suitable for pedestrian areas. 

Cover should be used in conjunction with CDU354 riser and CDU351 base.

This manhole cover is made by Clark-Drain, the technical specification sheet can be viewed and downloaded by clicking here.

Plastic manholes, whether polypropylene or PVC, are all durable and long-lasting. Manufactured by injection moulding to exacting specifications , they will stand the test of time. They are considerably lighter than their cast ductile iron counterparts.

All of our plastic manhole covers are made to fit directly onto the top riser ring of a plastic inspection chamber. Because of this they are most commonly used in new build applications.

Replacing broken manhole covers is always tricky. The abiding rules are that you must ensure that the correct load rated cover is selected, and that you measure the clear opening of the manhole rather than the old frame or cover and make sure that the new cover has at least the same size clear opening. Unfortunately we are unable to supply covers without frames. All replacement covers must be fitted in their own frame, which means removing the old frame.

Inspection Chamber Components

Whilst most customers generally order inspection chambers as sets (base, risers and cover) there are often occasions when it is easier to order the chamber in its individual components. This allows for greater flexibility on site, for example where the final drainage layout is likely to differ from that suggested in the plans, or where the finished ground levels are subject to change.

All of these components can be interchanged with the relevant chamber sets, so if you are simply looking for an additional riser then you are in the right place! Just make sure that the manufacturers of each are the same, as chamber bases and risers from different manufacturers are rarely interchangeable.

All of our inspection chamber components are sourced from reputable supplier partners who are leaders in the UK market such as ClarkDrain and FloPlast.

Inspection chambers are a vital part of the underground drainage system, whether it be residential or commercial. They are necessary to provide access into various key points of the underground drainage system. Such access points are used for maintenance tasks such as inspecting and testing pipes to ensure that effluent is flowing correctly and to clear any potential blockages with drain rods or high pressure jetting as required.

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