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 »
Posts Categorized: Standards & Specifications
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 »
Fires in sewers, combustible pipes and pipeline integrity – is it worth the risk?
On 28th September 2014 fire-fighters were called to a fire at a building site at Cargo Fleet Lane, Middlesbrough after reports that 20 large plastic sewerage pipes had deliberately been set alight. The blaze resulted in the streets surrounding the site having to be cordoned off after the area was blanketed in a cloud of… Read more »
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