Introduction:

Located in a disused deep quarry near St Austell Bay in the English County of Cornwall, the “Eden Project” achieves the status of being the world’s largest greenhouse. With its glazed space frame structure reaching a maximum height of 50 metres, and with a maintained temperature of 30C (with high humidity) an ideal environment is created for the stunning display of countless tropical plants – all in a life like natural setting of a size to cover 30 football pitches.

Of course no tropical setting could ever be complete without the incorporation of water, and Cloverleaf were commissioned to design and install all filtration equipment to cater for the feature waterfalls, and water courses.

 
(Click On Thumbnail Images Below For Larger Photograph)

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Above The Completed Project:
Above and beyond the normal parameters achieved by mechanical and biological filtration a key goal of the project was to turn around enough pumped water to simulate a large natural waterfall. This was calculated as needing to be 800 litres per second.

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Above Housing The Filtration Plant:
One of the major design decisions was where the filtration plant could be located without being visually obtrusive, and Cloverleaf opted for the proposal of concealing it below the floor of the feature bamboo house. Restriction in height meant excavating the ground below to a new lower level, and thereafter constructing a new reinforced concrete floor slab to support the equipment. (This area of the work was more suited for pygmies, but the Cloverleaf Team are versatile in improvising).

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Above Fabricating The System On Site:
Main filtration was provided by the use of Cloverleaf’s “BioCone 4” (1200mm high x 780mm dia, used especially for many commercial & trade projects). These were fabricated into 2 No 4 bay in line systems. Japanese matting was used as a medium in all bays, apart from the first bays acting as a traditional vortex. The system also included 6 No Cloverleaf type M70 pressurised Fluidised Beds (using Cloverleaf’s unique sand formula), and was supported via a 32 bar UV module (providing 960 watt capacity).

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Above System Installation Completed:
Seen in these photos from left to right (1) Installed Cloverleaf 32 bar UV cabinet module (2) Installed Cloverleaf 2 No “BioCone 4” multi bay systems (3) Installed Cloverleaf 6 No type M70 pressurised Fluidised Bed filters.

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