CPM offer bespoke large circular chambers for manhole or segmental construction, manufacturing precast concrete chamber rings up to 3000mm that comply with BS EN 1917:2002 and BS 5911-3:2002, as well as 3660mm and 4000mm diameter which are not covered by the British Standard but comply with all the relevant provisions of the British Standard and Eurocodes.
Find out more on their website.
Visit the Marshalls CPM website for more information on Bespoke Large Circular Chambers