Designed to last at least 120 years, Stanton Bonna’s innovative off-site manhole system is a truly watertight design that removes the need for a concrete surround.
Comprising a monolithic precast concrete base - pre-benched for any configuration - Stanton Bonna’s Perfect Manhole System also includes thick-walled chamber rings with watertight joints and a sealed cover slab. Quicker, safer and sustainable – as well as offering the significant benefit of off-site production - this bespoke manhole solution can be rapidly, and safely installed to a consistently high standard.
Eliminating arduous wet-trade construction and reducing work in open excavation, the Perfect Manhole System can be installed in minutes rather than days. It has already been recognised by leading consulting engineers, water companies and contractors as a major step forward in manhole design.
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