Precast Manhole Ring 1200mm dia c/w steps
Our precast concrete manhole rings are manufactured in accordance with BSEN1917, BSEN5911-3 & BSEN5911-4. They are available in a wide range of standard diameters and depths. All units are made in modern factory controlled conditions and carry the British Standard Kitemark logo.
Precast Manhole Ring 1200mm dia c/w steps available in the following depths:
Wall thickness is 100mm with an overall diametre of 1400mm, a circumfrance of 4050mm with a T&G joint. There are 3 x 50mm lifting holes and steps are at a height of 250mm.