New Pool Specification and procedure
Excavate site and support any collapsing soil with sand bags.
Compact floor with a Whacker rammer as a normal plate compactor is too weak.
Fill floor with a layer of crushed stone for drainage or soil stabilization if required.
Fit a hydrostatic valve along with a layer of PVC plastic in cases of severe surface water if required.
Assemble reinforcing rods of between 8mm and 10mm diameter at 300mm centres along the entire surface of the pool.
Construct a ring beam of Y10 steel rods around the top edge of the pool.
Apply a hand packed mix of 30mpa poolmix concrete supplied by Afrimix or similar Concrete.Thickness varies from 100mm to 250mm in places.
Lay coping brick or tile to the edge of the pool.
Lay new mosaic around the water line and on the edge of the steps.
Fit expansion joints behind coping and lay new paving on a compacted surface.
Install pump and filter and electrical board. Apply Marbelite and fill the following day after touching up the surface.