The DN4000 manhole chamber sections can be used in a variety of applications to include the following:

  • Water Treatment Plants
  • Stormwater Attenuation Systems
  • Storage tanks
  • Catch-pits

The DN4000 chamber ring is supplied with standard tongue and groove joint, connecting bolts and butyl rubber sealant for jointing purposes. The units are designed for use with the FP McCann ladder system with holes preformed in the wall at 4 locations around the ring 3140mm apart.

The 4 metre chamber section comes as a two part unit, which allows for:

  • ease of transport
  • ease of handling

DN 4000 Chamber section

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DN 4000 Cover slab – 2 piece unit (Detail for standard 600 & 675 openings)

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Heavy duty cover slabs are manufactured in two sections, supplied with standard openings. Standard cover slabs are designed to withstand 45 units of Type HB loading, applied in accordance with British Standard 5400: Part 2.

For special opening cover slabs an engineering drawing may be required in order to achieve desired loading

Note: FP McCann Provide a technical installation sheet which must be adhered to when installing DN4000 manhole chambers, this is available online or from our sales team.

DN4000 Manhole ChamberTongue and Groove Joint Profile
DN4000 Manhole Chamber