All newly-laid drainage pipes, including manholes, should be tested for leak-tightness prior to backfilling. There are two basic tests; the air test and the water test. An air test involves using inflated stoppers at both ends of a section of the pipeline under test. Pressure is then introduced into the section of pipeline and after… Read more »
Monthly Archives:: December 2014
Updated British Standard for concrete manholes paves way for precast base systems
Off-site manufactured precast concrete base manhole systems offer some big advantages compared to traditional in-situ solutions. Clients, contractors and specifiers have, until now, been unable to take full advantage of the benefits of using a precast solution for circular manholes because the British Standard did not include a specification for the precast base unit. That… Read more »
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