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A ground support system for forming a concrete manhole.
The Conquip Manhole Box is a simple to assemble, two sided trench lining support system designed to be installed by an excavator using the ‘dig and push’ technique, or by simply carrying out the excavation and then lowering each box into place.
The manhole boxes are available in a range of sizes: 2.5m, 3.5m and 4.0m external length. It is generally suitable for trench depths of up to 5.18m.
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