A total of 4.1m of deep drainage needs to be excavated in order to install the Intercepter Tank which will be placed on a large concrete slab at the base of the area. The drainage pipe will be 2.4m from ground level, with a further 1.7m of excavation for the concrete base.
CPR will also produce the concrete base consisting of:
1. A depth of 200mm of Type One Hardcore.
2. A sheet of membrane over the Type One.
3. A concrete pour of 150mm in depth of C30 concrete.
Once set the Intercepter will be placed on the concrete slab.
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