Approved Document G
The first set of national building standards was introduced in 1965. The 'building regulations' establish standards that have to be achieved in the construction of buildings. They set out:
- What qualifies as ‘building work’ and so falls under the control of the regulations.
- What types of buildings are exempt.
- The notification procedures that must be followed when starting, carrying out, and completing building work.
- Requirements for specific aspects of building design and construction.
The 'approved documents' provide guidance for satisfying the requirements of the building regulations in common building situations.
Approved Document G (Sanitation, hot water safety and water efficiency) provides guidance on:
- G1: Cold water supply.
- G2: Water efficiency.
- G3: Hot water supply and systems.
- G4: Sanitary conveniences and washing facilities.
- G5: Bathrooms.
- G6: Food preparation areas.
- Appendix A: Water efficiency calculator for new dwellings.
- Appendix B: Wholesome water.
The 2015 edition of Approved Document G includes new water efficiency requirements and introduces an ‘optional’ standard of 110 litres/person/day where required by planning permission, and an alternative fittings-based approach to demonstrating compliance. It also includes a water-efficiency calculation methodology for new dwellings.
The 2015 edition replaced the amended 2010 edition on 1 October 2015. The amended 2010 edition will continue to apply to work started before 1 October 2015 or work subject to a building notice, full plans application or initial notice submitted before that date.
[edit] Related articles on Designing Buildings
- Achieving sustainable clean water infrastructure for all.
- A guide to installing thermostatic mixing valves: what, why and how.
- Approved documents.
- Approved Document H.
- Bath.
- Bathroom definition.
- Blackwater.
- Building regulations.
- Earth closet.
- ECA Water Scheme.
- Greywater.
- Hot water.
- Hot water safety.
- Lavatory.
- Non-wholesome water.
- Passive water efficiency measures.
- Rainwater harvesting.
- Sanitary accommodation.
- Sanitaryware.
- Shower.
- Sink.
- Types of sanitary appliances.
- Types of showers.
- Types of water.
- Urinal.
- Water closet.
- Water consumption.
- Water meter.
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