Water efficiency in the building standards

Copyright © 2014 BSI. All rights reserved.

Water efficiency in buildings from a standards’ perspective Presented by Hana Gajdosova, BSI [email protected]

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

17/02/2014


In 1901 the Council of the Institution of Civil Engineers formed a committee to consider standardising iron and steel sections.

Background to BSI


• 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


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


BSI & Water Infrastructure

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Water supply

Water reuse


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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12 Copyright © 2014 BSI. All rights reserved. 17/02/2014


• Getting in touch • New ideas • Suggestions

• Committee membership • Commitment • Training • Representation • Networking • Setting the standard

Customer Services: [email protected] Hana Gajdosova: [email protected] @ConstructionBSI

How to get involved

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mailto:[email protected]

mailto:[email protected]

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