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Civilcast Haunching Slabs are designed to reduce the inlet size of a pit to accomodate a smaller grate or cover at ground level.
This is typically where a large pit is installed to suit large diameter pipes with the Haunching Slab reducing the inlet at the top of the pit. Risers with a clear opening matching the reduced opening size are used to achieve the required depth.
CONV SLAB 1212/225
1450x1450x225 Precast Concrete Conversion Slab with 900x900 Access Hole (Suits 1200x1200mm Pit)
CONV SLAB 1515D
1750x1750x300 Precast Concrete Conversion Slab with 900x900 Access Hole (Suits 1500x1500mm Pit)
CONV SLAB 1818D
2100x2100x300 Precast Concrete Conversion Slab with 900x900 of 1200x1200 Access Hole (Suits 1800x1800mm Pit)