The building location is specified in the APLocate utility; this is accessed from the toolbar or the Part L2 (201) Apachesim compliance view tab > site location button.. The L2 regulations currently cover locations in England and Wales.
Weather data for simulation-based Part L2 (2021) assessments is provided by CIBSE – a Test Reference Year (TRY) from the 2016 weather data set.
TRY’s and DSY files are provided for 14 UK locations:
· Belfast
· Birmingham
· Cardiff
· Edinburgh
· Glasgow
· Leeds
· London
· Manchester
· Newcastle
· Norwich
· Nottingham
· Plymouth
· Southampton
· Swindon
You will need the TRY corresponding to the nearest of these locations to the building location. A licence to use this data must be obtained from CIBSE. IES acts as an agent for CIBSE and the licence to use the data may be purchased online via the IES website. If you use this option, copies of the files in the IES .fwt format will be provided with installation instructions.