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Specifiers Journal 2016

Specifiers Journal 2016

Copper Rainwater System

Copper Rainwater System Changes with the Times Lynnic Associates, a construction company specialising in high quality one off house builds, recently embarked on a development of 7 units in Chesterfield, one of which being a new build project. The Dutch Barn was built on the site of an original barn which had burned down. With a Siberian Larch cladding to the exterior the barn required an efficient and durable rainwater system which was in keeping with the style of building. Nicola Corrigan of Lynnic Associates explained “After researching the internet we came across Yeoman Rainguard who could supply us with a Copper rainwater system which would complement the exterior of the barn nicely. The Siberian Larch cladding ages from a pinkish hue to a more weathered silver colour and with Copper aging similarly from a bright to a patina finish, we thought this the perfect choice to keep in step with the barns changing looks over the years to come.” Yeoman Rainguard’s Copper 125 x 70mm half round gutter and 80mm dia. downpipe were installed by Lynnic Associates to the Dutch Barn where joints were soldered rather than using a sealant to ensure a longer lasting seal. Copper proves to be a long lasting option with its life expectancy being that of 100 years offering a maintenance free system. A sustainable and ecologically sound option, Copper is known as a green metal being 100% recyclable and as yet only 12% of reserves have been mined. “The Copper rainwater system proved simple enough to fit and the staff at Rainguard were happy to answer any queries we had. We are very pleased with the result and have already used Rainguard XL Aluminium systems on another building on the same development.” “Our next project, the biggest on the development, will be linking two barns together with a glass front and will benefit from a Zinc rainwater system again from Rainguard” concluded Nicola. For information on Yeoman Rainguard’s full range of Aluminium, Cast Iron, GRP, Copper, inc and Stainless Steel rainwater systems go to www.rainguard.co.uk or call 0113 279 5854. Making Property Development More Sustainable Introducing impermeable surfaces such as roads, pavements and roofs in a new development increases the amount of surface water flowing into drains and sewers. This adds to the risk and severity of flooding. Much of the existing sewer network is unable to cope with an increase in surface water runoff due to its condition and capacity. Many sewers are susceptible to blockages, flooding homes and businesses with huge financial implications. In recognition of these risks, new SuDS policy requirements were published in April 2015. These requirements have built upon the Floods and Water Management Act 2010, requiring developers and landowners to consider the suitability of the site for more natural drainage solutions such as SuDS. The National Planning Policy Framework has been updated, requiring new developments in areas at risk of flooding to give priority to the use of SuDS and demonstrate the proposed development would not increase flood risk to third parties. Building regulations have also been revised, so that developers are required to consider infiltration to ground or to a surface water feature where conditions permit, in preference to discharging to sewers. Planners are now favouring developments that include SuDS 112 SPECIFIERS JOURNAL which reduce the volume and slow the rate of surface water runoff. Important new guidance has just been recently published for property professionals, including property and planning lawyers and their developer clients. The author, John H Bates, Drainage Barrister at Old Square Chambers, explicitly advises: “There is a presumption in favour of SuDS for new developments. SuDS are the preferred approach to managing surface water runoff. Lawyers should commission a pre-application SuDS report to ascertain whether SuDS are appropriate or not, because this has important legal repercussions for your client.” There is now a requirement for SuDS to be implemented, where appropriate, either through a relevant planning condition or within the design from an early stage. While it may have an impact on the feasibility of some sites, SuDS shouldn’t be seen as a restriction to development and can prove attractive to buyers through improved community amenity. SuDS are designed to replicate the natural drainage from a site (pre-development) to mitigate flood risk both on and off site. They provide areas for water storage and drainage as close as possible to where the rain fell, providing a valuable water resource as well as reducing flood risk. As a result, far less surface water is discharged into traditional sewers, taking pressure off of existing drains and river systems. SuDS can also make communities more resilient to flood risk, significantly improve the quality of water leaving a site and enhance the biodiversity of a local area. Understanding the site drainage conditions and options for SuDS are therefore essential for developers and landowners ahead of submitting a planning application at the pre-planning stage or to address a planning condition prior to permission being granted. GeoSmart provide a wide range of reports on site infiltration drainage conditions. They can be used to provide evidence on suitability or otherwise and answer specific questions required by the Local Planning Authorities and Lead Local Flood Authorities. Michael Piotrowski For a copy of the SuDS Guidance for Property Professionals and to enquire about SuDS Suitability Reports for your site, visit www.geosmartinfo.co.uk, email info@geosmartinfo.co.uk or call us on 01743 276 150

SPECIFIERS JOURNAL 113

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