Concrete biscuit cover slabs from Stanton Bonna are reinforced to be heavy duty and reliable platforms that top a single or a stack of manhole rings. The cover slab will act as a platform for manhole covers and it will reduce the opening at the top of the manhole ring. Another benefit of concrete cover slabs is that they will create a base for any brickwork that will surround the manhole cover.
This range of cover slabs are part of a range of concrete chamber sections from Stanton Bonna, available in non-kitemarked sizes and diameters from 900mm to 2400mm in various access sizes. Central and eccentric access positions available.
DN: 1200mm
Effective Thickness: 135mm
Approx. Weight/Kg: 480Kg
Access Size: 600mm x 600mm
Access Position: Eccentric
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