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GROUNDWORKS & DRAINAGE Pump it up
With an increased demand for package pumping stations thanks to their functionality and convenience, there are now greater variations in design and suitable applications for pumping stations than ever before. T-T Pumps looks at the options
P
umping stations, lift stations, pump houses. Despite the different names, they are all designed to remove waste
and ‘nuisance waters’ from a site where gravity cannot be employed – be it for construction sites, highway drainage, flood protection schemes and more.
Package pumping stations Designed as single, complete, preformed units, package pumping stations consist of the chamber, pumps, pipework, valves, control panel and level controls. The units are primarily deployed in the private sector where access to gravity drainage and connection to a site’s main sewage line is unattainable.
Because of the wide range of sizes available, package pumping stations are practical for small single dwellings up to larger multi-dwelling applications – effectively managing wastewater, drainage water, and sewage/treatment works across housing estates, schools, hospitals, hotels, and nursing homes.
Package pumping stations are conventionally installed below ground, but where this is not possible, there is the option of an above-ground station. Above-ground pumping stations have the same suitability for surface water, sewage and drainage applications, but are more likely to be restricted in size due to land availability on the chosen site. Below-ground stations are less restricted in this sense.
A bespoke project is recommended for those who want a pumping station that can be adopted by a local water authority. This is because the station must meet stringent standards as set out in the Design and Construction Guidance (DCG). DCG replaced the previous guidelines, Sewers for Adoption, in 2020; setting out the provisions under which local water authorities can adopt a pumping station. With package pumping stations being prebuilt, they will not meet DCG standards, despite undergoing testing for safety and durability. However, bespoke and adoption standard stations have their own drawbacks, with longer lead times on manufacturing/ installation and additional fees associated with the adoption process. Package pumping stations have comparatively short
WWW.ARCHITECTSDATAFILE.CO.UK ADF MARCH 2023
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