Latest News and Offers from Sap Service http://www.sapservice.co.uk/RSS/News14.xml News en Tue, 07 Jul 2009 12:14:15 +0100 http://blogs.law.harvard.edu/tech/rss john@sapservice.co.uk john@sapservice.co.uk RSS 1440 RSSeditor v0.9.54 (http://www.rss-info.com) News - Sap 2009 - The changes (In Consultation) extracts The changes will mostly affect designers and developers.
There are a number of changes- the most significant changes affect work on site
Insulation to seal party walls and attention to non-repeating thermal bridges.
The extent of the changes will not be known until Part L 2010 is issued.
but the changes in SAP 2009 will in themselves have a considerable impact.

The document holds two main areas of change within SAP 2009.
1.The improvement of the accuracy within SAP methodology.
2.Amendments to make SAP more flexible, taking in a variety of new and existing technologies for combined use within a dwelling.
The outcome will be an increase in the predicted energy consumption of dwellings for heating.
Cooling load will now be considered giving an increase in energy use in dwellings using air-conditioning.
CO2 emissions from electricity will increase by 40% between sap 2005 and 2009

Building Regulations compliance reads :- dwelling emission rate (DER) for the proposed dwelling
must be less or equal to the target emission rate (TER).
The DER and TER are based on carbon emissions per square metre of floor area for heating, hot water and lighting.
Several changes in SAP 2009 affect both the DER and TER.
It will make it harder to achieve a zero-carbon home.
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