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StormCrate Provides a Runaway Solution for Stormwater at Poplar Grove Development

Poplar Farm StormCrate

To manage excessive rainfall at a new luxury housing development in Derbyshire, Poplar Farm Developments Ltd has found the ideal solution in Brett Martin’s StormCrate, a proven underground modular geocellular unit which will reduce the demand on built drainage and the sewerage infrastructure.  


Located close to Chesterfield and The Peak District, the Poplar Grove Development in the village of Lower Pilsley features eight luxury 3, 4 and 5 bed homes. In order to manage rainwater within the site and prevent flooding during periods of bad weather, the developer required a drainage solution that could be integrated within the site and found the solution in StormCrate, an engineered Sustainable Drainage System (SuDS). 


Brett Martin provided Poplar Farm Developments Ltd with 110 StormCrates which were used to create a 29m3 underground storage tank, constructed at a depth of 1200mm, which would enable the management and control of stormwater where it falls.  


Ross Cooper, Construction Manager, Poplar Farm Developments Ltd commented: “At Poplar Grove, the StormCrates were used to create an underground tank that could hold 29,000 litres of rainwater. Easy to install and incredibly strong, StormCrates are a cost effective and ideal solution for managing surface water run-off.”


Weighing in at only 18kg per module and measuring 1200mm x 600mm x 420mm, the StormCrate modular units can be easily lifted by hand and then laid or stacked in rows. The units are suitable for a range of applications including residential, commercial and industrial projects.


StormCrates can either be wrapped in a geotextile which allows stored water to slowly seep into the surrounding ground and back into the water table or a more common practice, wrapped in an impermeable geomembrane to create a sealed underground tank.  The sealed tank approach was adopted at Poplar Grove, with the outlet from the tank then controlled to facilitate a slow release of the stored water back into the drainage system over a longer period.


Manufactured from recycled plastic, StormCrates have a high void ratio of 95% which means that the units are highly efficient at storing up to 300 litres of water in the event of heavy rains. If inspectability is required for future maintenance, then Brett Martin can offer StormCrate Inspect Crates.


There are no limits on the use and design of the surface over the system and StormCrates may be successfully installed under parking areas, driveways and landscaped areas. Ideal for domestic soakaways, only 250mm of cover is required above the crates for driveway applications which results in less dig and site spoil.  When a minimum of 500mm cover is used, the high strength crate has a lorry bearing capacity of 60 tonnes.


With the development on track for completion, the use of StormCrate from Brett Martin Plumbing and Drainage has ensured the residents will have a proven below ground stormwater solution and cost effective flood protection for the long term.

Find out more about StormCrate