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Copyright © 2014 BSI. All rights reserved.
Water efficiency in buildings from a standards’ perspective Presented by Hana Gajdosova, BSI hana.gajdosova@bsigroup.com
Prepared by Hana Gajdosova
2 Copyright © 2014 BSI. All rights reserved.
Agenda
1. BSI - who are we? 2. Standards Development 3. BSI & Water Infrastructure 4. Water Efficiency Standards 5. How to Get Involved
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3 Copyright © 2014 BSI. All rights reserved.
In 1901 the Council of the Institution of Civil Engineers formed a committee to consider standardising iron and steel sections.
Background to BSI
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• 67 offices worldwide
• 3 regional hubs in UK, US & Hong Kong
• 70,000 clients in 150 countries
Washington
London
Hong Kong
Global presence
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Standards development
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34,000 7,000 2,500
Current standards In development New or revised every year
Commitment • 10,000 committee members • 1,200 BSI committees • 1,800 organisations
Committee
Consultation Consensus
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Current thinking Set of terms and definitions
Sound good practice
Highly prescriptive
Absolute requirements
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6 Types of standards
• British Standards (BSs) • Public Available Specifications (PAS) • Published Documents (PDs)
Specification
Methods Code of practice
Vocabulary Guides
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BSI & Water Infrastructure
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Water supply
Water reuse
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Water supply
BS 8542:2011 Calculating domestic water consumption in non-domestic buildings. Code of practice - Estimation of total water use - Volume consumed per head/unit per day
or building per annum - Data collection and calculation
methodologies
BS EN 806 Series Specifications for installations inside buildings concerning water for human consumption - 5 Parts: General, design, pipe sizing,
installation, operation and maintenance - Potable water installation - System of pipes, fittings and connected
appliances
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Water reuse
BS 8595:2013 Code of practice for the selection of water reuse systems - Rainwater, stormwater and
greywater as a supplement to public mains water supply
- Non-potable water uses - New and existing developments - Residential and non-residential
premises
BS 8525-1:2010 & BS 8525-2:2011 Greywater systems. Domestic greywater treatment equipment. Requirements & test methods - On-site collection and use of
greywater (bathroom) - Recommendations on design,
installation, alteration, testing and maintenance
- Requirements and tests for treatment equipment
BS 8515:2009+A1:2013 Rainwater harvesting systems. Code of practice - On-site collection and use of
rainwater, supplying water for domestic water uses
- Recommendations on design, installation, testing and maintenance
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Case studies
Rainwater harvesting system DEFRA Offices, Northumberland • Fully integrated rainwater harvesting
system with 12,000 litre storage tank
• Source: Kingspan Environmental (2009) Kingspan Water. Rainwater Harvesting
Domestic Greywater Management System Oxley Gate, Milton Keynes • 150 dwellings • Reuse of bath and shower water • 100 litres = 15 toilet flushes
• Source: Environment Agency, http://cdn.environment-agency.gov.uk/geho0511btwc-e-e.pdf
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Standards under revision
• BS 8558:2011 Guide to the design, installation, testing and maintenance of services supplying water for domestic use within buildings and their curtilages. • Supplementary guidance to BS EN 806 • Replaces BS 6700:2006 Design, installation, testing and maintenance of services
supplying water for domestic use within buildings and their curtilages Specification • Expected to kick off in February 2014 • Expected to publish in Summer/Autumn 2015
• Draft Review: http://drafts.bsigroup.com/
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• Getting in touch • New ideas • Suggestions
• Committee membership • Commitment • Training • Representation • Networking • Setting the standard
Customer Services: cservices@bsigroup.com Hana Gajdosova: hana.gajdosova@bsigroup.com @ConstructionBSI
How to get involved
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