Caissons

Marshalls Civils and Drainage offer a range of reinforced precast concrete manhole chambers specially designed for sinking by the caisson method from 2000mm diameter to 4000mm internal diameter in varying depths see product details.

The caisson chamber shaft sinking system was originally designed for use in microtunnelling, but is now more widely used for construction of pumping stations, wet wells and manholes, particularly in difficult ground conditions, adopted when adopted when the depth of water is high and the foundations are to be laid under water.

The caisson method is achieved by using a shaft sinking plate system and is manufactured in accordance to BS EN 1917:2002 and kite marked where relevant to BS 5911-3:2010.

To suit these chambers, cover slabs are also available.

Advantages of the caisson solution include:

  • Suited to weak soils, high-plasticility clays, silts, sands and gravel.
  • Minimal site labour costs as delivered ready to install.
  • Immediate permanent shafts as the caissons are constructed off-site enabling quick and easy installation.
  • Suitable for jacking pits where a hole is dug in preparation for the installation of a tunnel or casing for the machinery to fit into.

Division

Contact

01179 814500

salesemail@marshalls.co.uk

Certification Logos and Accreditations

  • Accreditation iso 9001 Logo
  • Accreditation iso14001 Logo
Product Name Wall Thickness (mm) Overall Diameter (mm) Effective Depth (mm) Overall Depth (mm) Weight (kg)
DN2000 Caisson Chamber Section x 500mm 130 2260 500 500 1065
DN2000 Caisson Chamber Section x 750mm 130 2260 750 750 1598
DN2000 Caisson Chamber Section x 1000mm 130 2260 1000 1000 2130
DN2400 Caisson Chamber Section x 500mm 140 2680 500 522 1370
DN2400 Caisson Chamber Section x 750mm 140 2680 750 772 2055
DN2400 Caisson Chamber Section x 1000mm 140 2680 1000 1022 2740
DN2740 Caisson Chamber Section x 500mm 160 3060 500 500 1790
DN2740 Caisson Chamber Section x 750mm 160 3060 750 750 2685
DN2740 Caisson Chamber Section x 1000mm 160 3060 1000 1000 3580
DN3000 Caisson Chamber Section x 500mm 175 3350 500 500 2135
DN3000 Caisson Chamber Section x 750mm 175 3350 750 750 3203
DN3000 Caisson Chamber Section x 1000mm 175 3350 1000 1000 4270
DN3660 Caisson Chamber Section x 750mm 185 4030 750 769 3980
DN3660 Caisson Chamber Section x 1000mm 185 4030 1000 1019 5300
DN4000 Caisson Chamber Section x 750mm 200 4400 750 769 4770
DN4000 Caisson Chamber Section x 1000mm 200 4400 1000 1019 6360