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News Release from: Hydro International | Subject: Stormbloc modular block storage
Edited by the Buildingtalk Editorial
Team on 16 January 2008
Stormbloc solves garden centre drainage
problem
Hydro International's Stormbloc modular block storage specified at Wyevale Garden Centre redevelopment because it was versatile enough to fit the space constraints with low installation costs.
Redeveloping the Bicester Wyevale Garden Centre, greatly increased the impervious area and stormwater runoff - yet existing discharge limits still had to be met Increased attenuation storage was required but within a very limited space, so Hydro International's Stormbloc modular block storage was specified because it was versatile enough to fit the space constraints with low installation costs
This article was originally published on Buildingtalk on 22 Apr 2005 at 8.00am (UK)
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Expansion at the Wyvale Garden Centre has meant a larger, fully asphalted car park, and a rebuilt and more extensive roofed building.
The project phases and the dimensions and topography of the existing site meant that two tanks, totalling around 500 cu.m.
were sited in different locations to take runoff water from roofs and car park.
Further reading
Hydro Stormbloc puts the SUDS into park and ride
Stormbloc infiltration modules from Hydro International were chosen to ensure that stormwater runoff from Norwich car park complies with Sustainable Drainage Systems (SUDS) principles.
Hydro sustainable stormwater control and treatment
In a joint venture with the CPM Group , Hydro International offers Hydro-Brake Flow Control and Downstream Defender as pre-packaged stormwater control and treatment solutions.
The tanks are constructed from Hydro's Stormbloc loadbearing modular polypropylene block, and installed within a 1mm polypropylene membrane by Keytec Environmental with a 300g Geotextile as a protection whilst backfilling.
David Piper Quantity Surveyor of main contractor Barnwood Construction commented: "Although round tanks had originally been suggested by the engineers, there were potential difficulties with the space required".
"By using Stormbloc we found we could achieve the storage volume within a shallow rectangle; it is also load bearing so local aggregate and sand was used for backfilling without extensive civils work, and resulting in an economical installation".
The whole site is in a low lying area, so storm water is directed from the Stormbloc tanks to pumping chambers, and from there pumped to local watercourses, as with the original site.
Stormbloc stormwater storage and infiltration medium from Hydro International is a cost-effective modular block system, with a designed-in and patented access tunnel for easy maintenance.
The modular blocks make Stormbloc quick and easy to install in almost any situation including industrial and commercial projects as well as residential developments, SUDS schemes and conveyance applications.
Strong enough to withstand traffic loads, Stormbloc can be installed under roads, parking areas, driveways and landscaped areas without additional protection.
Stormbloc is available in eco-green polypropylene 800 X 800 X 660 mm blocks providing high volume water storage with a 95% void ratio.
The system is designed so that, when installed, a 222 X 570 mm cross-section access tunnel runs through the blocks.
This can be accessed easily by a CCTV camera or a high pressure jetting hose inserted to shift any accumulated sediment, silt or debris in the system, should the need arise - a patented feature which sets it apart from its competitors.
Client: Wyvale Garden Centres.
Main contractor: Barnwood Construction .
Consultant engineer: Wedgewood Associates.
Membrane contractor: Keytec Environmental.
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