New Building Regulations - Part F, Part J and Part L
Came into effect 1st October 2010
The above Approved Documents are in now in force.
To assist copies of the new Approved Documents are available to view or download along with:-
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a set of handouts covering the changes
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the latest water use calculator
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a new L1B insulation table
Part G - Sanitation, Hot Water Safety and Water Efficiency
Came into effect 6th April 2010 (see "Downloads")
Main requirements:
G1 - Cold Water Supply
Wholesome water must be provided to washbasins, bidets, showers, baths, sinks where food is prepared and any other place where drinking water may be drawn.
Water from wells, springs or suitably treated harvested rainwater/ grey-water may, subject to a risk assessment, be used for WC’s, urinals and washing machines. Pipe work used to convey non-wholesome water must be marked accordingly.
G2 - Water Efficiency
New dwellings or those formed by a change of use must be provided with fittings (e.g. taps) and fixed appliances (e.g. dishwashers/ washing machines) that use water efficiently. To prove this, a calculation must be carried out for each new dwelling before a completion certificate will be issued. In addition, details of all such fittings and appliances must be given to the building owner.
A document setting out the Water Calculation Methodology for assessing the whole house water efficiency of new dwellings can be found at: http://www.planningportal.gov.uk
G3 - Hot water Supply and Systems
A heated wholesome water supply is required to washbasins, bidets, showers,baths, and any sink where food is prepared.
Vented hot water storage systems require a vent pipe and a thermostat to control the temperature of the stored water. In addition, they should be provided with an additional non-self-resetting cut-out to prevent overheating and a temperature relief valve. The cold water storage cistern must be suitably supported over its whole area.
Unvented hot water storage systems are usually provided with a thermostat to control the temperature of the stored water. In addition they require a non-self-resetting energy cut-out to prevent overheating and a temperature relief valve
To prevent scalding, a temperature control device is required to limit the maximum temperature of the hot water supply to a bath to 48 degrees C.
G4 - Sanitary Conveniences and washing facilities
Guidance regarding the number of sanitary conveniences required in a building is given, together with the requirement for washbasins. Hot water taps should be on the left.
G5 - Bathrooms
Dwellings and buildings containing rooms for residential purposes must be provided with a bath or shower room.
G6 - Food Preparation Areas
A sink must be provided in a kitchen or any place used for the preparation of food.
Please note: Hopefully you will find the information above useful. However, you should be aware that this is a broad summary of the Approved Document and therefore reference should always be made to the source document.
Note
The products specified are only a selection and we must stress that we do not endorse any manufacturer whose products are listed, others are available that are suitable and will also achieve compliance with the regulations.
To assist further links to several web sites are provide. These will provide additional information not just on insulating products but also on the subject of Energy Conservation and how to reduce your annual fuel bills.
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