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BPDA has just published a new site guide on the installation of precast base manholes. The guide identifies seven basic steps needed for correct, easy and safe installation.

Precast base manholes have been in use in the UK for well over 10 years. In 2011, the main British standard for concrete manholes, BS 5911-3, was revised to allow such manhole solutions to be Kitemarked and more widely specified in the UK. The new system reduces installation time and cost significantly: what used to take several hours, involving sub-contractors and wet trades on site, now takes approximately one hour and would not involve more than a handful of operatives.

BPDA has put together an operative short site pocket guide to explain the installation process: From trench excavation and ground preparation, to the installation of different manhole units and final backfilling. The guide was set up in an ‘endorsement fold’ format to ease use on site.

A PDF copy of the new pocket guide can be found at the BPDA downloads page, or to request a hard copy please complete an Online Request Form.

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