DESIGN
Our systems are designed following guidelines that are set out and established on a national and international level. These include writings by WRC, British Water, BS and BS EN standards amongst others. We follow three main guideline steps in our design to ensure each system is Fit for Purpose and Built to Last.
SOME OF THE GUIDANCE USED IN OUR DESIGNS
Paradigm Systems cannot be held responsible for the content of other websites.
Please note, this is for guidance only and is exhaustive.
Sewers For Adoption 6th Edition (SfA6), published by the Water Research Centre (WRc plc)
More details can be found here http://sfa.wrcplc.co.uk/sewers-for-adoption-6th-edition.aspx
More details about the Water Research Centre can be found here http://www.wrcplc.co.uk/
Sewers For Adoption 7th Edition (SfA7), published by the Water Research Centre (WRc plc)
More details can be found here http://sfa.wrcplc.co.uk/home.aspx
More details about the Water Research Centre can be found here http://www.wrcplc.co.uk/
Sewers For Adoption 8th Edition (SfA8)
Design and Construction Guidance (DCG) for foul and surface water sewers offered for adoption under the Code for adoption agreements for water and sewerage companies operating wholly or mainly in England draft 14/02/2019, published by Water UK
More details can be found here https://www.water.org.uk/sewerage-sector-guidance-approved-documents/
More details can be found about Water UK here https://www.water.org.uk/
The SuDS Manual (C753), published by the Construction Industry Research and Information Association (CIRIA)
More details can be found here https://www.ciria.org/Memberships/The_SuDs_Manual_C753_Chapters.aspx
More details can be found about the Construction Industry Research and Information Association (CIRIA) here https://www.ciria.org/
Codes for Adoption (CfA), published by Water UK
More details can be found here https://www.water.org.uk/technical-guidance/developers-services/codes-for-adoption/
And https://www.ofwat.gov.uk/regulated-companies/markets/connections-market/code-adoption-agreements/
Code Of Practise - Flows And Loads 4 (On Sizing Criteria, Treatment Capacity For Small Wastewater Treatment Systems), published by British Water
More details can be found here https://www.britishwater.co.uk/code-of-practise-flows-and-loads-4-on-sizing-criteria-treatm.aspx
More details can be found about British Water can be found here https://www.britishwater.co.uk/
Plumbing Engineering Services Design Guide, published by the Chartered Institute of Plumbing and Heating Engineering (CIPHE)
More details can be found here https://www.ciphe.org.uk/professional-members/publications/plumbing-engineering-services-design-guide/
More details can be found about Chartered Institute of Plumbing and Heating Engineering (CIPHE) can be found here https://www.ciphe.org.uk/
BS EN 12056-2:2000 - Gravity drainage systems inside buildings. Sanitary pipework, layout and calculation, published by the BSI Group
More details can be found here
More details can be found about the BSI Group can be found here https://www.bsigroup.com/
BS EN 752:2017 - Drain and sewer systems outside buildings. Sewer system management, published by the BSI Group
More details can be found here https://shop.bsigroup.com/ProductDetail?pid=000000000030404653
More details can be found about the BSI Group can be found here https://www.bsigroup.com/
Water Industry Mechanical & Electrical Specifications (WIMES), published by the Pump Centre.
More details can be found here https://www.pumpcentre.com/SitePages/WIMES.aspx
More details can be found about the Pump Centre here https://www.pumpcentre.com/
WIS 4-04-02 December 2012 - Specification for package pumping stations intended to serve more than one property, published by Water UK
More details can be found on this here https://www.water.org.uk/wp-content/uploads/2018/11/wis-4-04-02-final-december-2012.pdf
More details can be found about Water UK here https://www.water.org.uk/
More details can be found about Water Industry Specifications (WISs) here https://www.water.org.uk/technical-guidance/water-standards/wiss-and-igns/