Syon Park - the Syon Park Waldorf Astoria Hotel - has incorporated permeable surfacing for a car park and emergency access road. Due to the sensitivity of the new development, the 500 space car park
that jointly serves the hotel, garden centre and zoo, had to be visually appealing whilst providing a durable high quality porous surface that was safe for intensive pedestrian and vehicle usage. To satisfy these design criteria, the project architects Ettwein Bridges specified gravel filled cellular constructed porous paving as the surfacing solution with white markers to delineate the parking bays. In addition, Meinhardt, the structural engineers also specified this surfacing solution to the emergency access road which has been designed to withstand trafficking from fully laden fire engines. Darwin Forest Country Park, set within mature woodland in
Derbyshire’s Peak District has recently added 2,000mÇ of additional car parking which needed to be to a design that was in keeping with its natural setting.
The design and build developer, Pinelog Ltd, chose to install a porous
pavement solution in filled with locally sourced gravel. In keeping with its environmental ethos, Pinelog’s architect, Roger Langham incorporated a sustainable drainage solution following discussions with the Environment Agency who imposed a limited discharge consent on any development at the site. Percolation tests confirmed that infiltration was possible and that the chosen system was the most appropriate surfacing solution in terms of performance, aesthetics and cost.
Planning permission is not required if the new driveway features porous
paving such as gravel, permeable concrete block paving or porous asphalt or if the rainwater is directed to a lawn or border to drain naturally. However, if the area to be paved is larger than five square metres and the intention is to lay a traditional, impermeable surface, planning permission will be required. Porous surfaces are also becoming a key requirement of large developments and a recent 13,000mÇ project located within the historic
The Environmental Permitting Programme has highlighted how important it is to have a sewage treatment plant that is certified and tested under EN 12566-3, and maintained in accordance with the manufacturer’s maintenance instructions. By choosing a plant from the WPL Diamond range self-builders, developers, specifiers and homeowners are assured their wastewater treatment solution meets all current regulations. The Diamond is also fully compliant with UK Building Regulations and standard Environment Agency and SEPA specifications therefore keeping it in line with the new legislation recently introduced. WPL’s service team comprises of engineers who have all been awarded the ‘Qualified Service Engineer’ accreditation under the British Water scheme, in co-operation with the Environment Agency (EA), for maintaining small sewage treatment plants up to 50pe.
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Looking Forward The evidence is gathering pace that the traditional approach to ground
works and drainage, particularly in developed areas, is not only damaging the environment but is not sustainable. As the aforementioned projects illustrate, porous landscaping offers architects and specifiers an attractive, cost-effective and very effective alternative to existing methods of dealing with surface water drainage.
Diamond Sewage Treatment Offers Clear Benefits Tokstrip Sealant Chosen for Flooding Control System
water capacity is accommodated within the 350 linear metres total length, installed in six lanes. It was built with 210 box culverts 3m wide x 3.6m high x l.5m and 2.0m lengths, and incorporates a dry weather flow channel. 3,300m of Winn & Coales Tokstrip was used here, plus Tokstrip primer.
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Wavin Launches ‘Certus’ - Above Ground Drainage and Plumbing Solutions for the Industrial and Commercial Sector
Wavin, the UK's leading supplier of water management, plumbing and drainage systems has designed a specialist approach to above ground drainage and plumbing solutions for industrial, public, commercial and multi-residential developments - Certus. The Certus principle is based on a simple assumption, that it is possible to improve on existing systems and established techniques. Every Certus system will ensure a robust, cost-efficient solution, so our customers can genuinely ‘fit and forget’ with confidence. In order to show the benefits of Certus to the industrial and commercial sector, Wavin have created a specialist website. The easy to navigate site can be found at
www.certus.co.uk and features a wealth of information on the Certus approach, with details and product listings for innovative systems including K1 Press-fit Plumbing, SiTech, Compact Soil, PVC-C Waste and the recently launched ShowerSave. The project enquiry button allows visitors to select a service according to their specific needs and enables them to request a full design service for of their next project or a review of a current project. The website also acts as literature bank, where information about the benefits of the Certus approach can be downloaded; or, if preferred, can be ordered as well. Commenting on the new website, Donna Rostovsky, Marketing Manager Wavin UK: “Certus is focused on above ground drainage and plumbing in industrial, public, commercial and multi-residential buildings where essential services usually have more challenging criteria for design and performance. The launch of this website plays a key role in demonstrating how the Certus approach delivers problem solving solutions [...]”
...searchable archive at
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In order to improve storm water retention and flooding alleviation, Severn Trent Water has installed a Gravity Return Storage (GRS) system based on two sites alongside the River Tame at Walsall and centred on the use of Hanson precast concrete box culvert sections. Some 3,400m3
of
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