Water & Wastewater Treatment Magazine
Issue link: https://fhpublishing.uberflip.com/i/904738
26 | DECEMBER 2017 | WWT | www.wwtonline.co.uk The knowledge: wastewater networks Clear and consistent guidance for drainage design New guidance for the design of drains and sewers should provide the opportunity for installers to meet consistent standards for adoption by water companies Background In October 2011, existing private sewers in England and Wales were transferred to water and sewerage companies and new sewers and lateral drains were required to be adopted. Installers who had tradition- ally been building for the private market, are now building for public adoption. This means that the advice and requirements contained in existing documents (Ap- proved Document H 2002 and amendments 2010 and 2015, Sewers for Adoption 6th edition 2006 and 7th edition 2012, BS EN 752 2008 and amendments 2013) has become 'out of step', confusing for the end user and in some cases not aligned with modern practice. W ouldn't it be useful in designing and building drains and sewers to be able to quickly refer to eas- ily accessible guidance? The BPF Pipes Group has produced new guidance: Speci• cations for Plastic Pipes, Chambers, Manholes and Covers for Drainage and Sewerage Applications, which can be accessed on the BPF Pipes Group website. This guidance document clearly and concisely sets out informa- tion on product standards for pipes, chambers, manholes and covers; which are current and what to use where for all applications from private drains to public sewers. The guidance has been prepared ahead of the publication of two key documents: the European Standard BS EN 752: 2017 with its UK National Annex, and Sewers for Adoption 8th edition for the design and construction of private and public drains and sewers. The revision of Sewers for Adoption, following hot on the heels of the European Standard, represents the • rst real opportunity for designers and installers to obtain clear and consistent advice covering the full spectrum, from private drains built to Building Regula- tions, through to publicly adopted sewers. By Jason Shingleton, Marketing and Development Director, Polypipe Civils and Chair - Drains and Sewers Working Group, BPF Pipes Group Clearer guidance will be welcomed by designers, installers and engineers alike In October 2011, existing private sewers in England and Wales were transferred to water and sewerage companies and new sewers and lateral drains were required to be adopted. Installers who had tradition- ally been building for the private market, are now building for public adoption. This means that the advice and requirements contained in proved Document H 2002 confusing for the end user and in some cases not aligned