[Bldg-sim] Architecture competition

[Max Tillberg]

I am involved in a project where we will evaluate a number of buildings in 
an architecture competition. It is a prestigious project in a rather cold 
climate with over 150 invited architects from all over the world. The 
project will use BREEAM and the rating level is probably Outstanding. In 
this stage we are not interested in evaluating the technical systems but 
the building itself (shape, orientation, façade, windows, solar shading, 
thermal bridges and room location). 

I now wonder if someone has made something similar and if that is the 
case, what kind of information you required from the architect and how you 
made the evaluation?

I am thinking of asking the architects to present heat loss (through 
windows, façade, ground, roof, openings, airflow and thermal bridges), the 
cooling need due to solar radiation and positive heat from the sun (during 
heating period). We will also ask for daylight autonomy (considering 
glare, control systems and human behavior), daylight factor for 
representative rooms, view to the outside and PPD-index according to ISO 
7730.

We will provide input in form of climate data, inside temperature, 
internal loads, schedules, light levels, internal surface reflectance, clo 
and met. We will probably not specify how the information should be 
determined (calculation method and software) but the method and all 
assumptions must be presented so it is possible to evaluate and compare 
it.

I am also thinking of requiring other key metrics (average U-value, 
Envelope area per Volume and so on) to be able to compare the different 
buildings together with a 3D-model of the building.

Any suggestions are welcome, we want this completion to be as fair and 
correct as possible and help making an excellent building in all aspects.

Sincerely,

Max Tillberg
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