The document provides design requirements for Europe's most energy efficient commercial building to be constructed in Oslo, Norway. It must have a total energy need of less than 80 kWh/m2. The building will contain 8,500 m2 of office space and 8,500 m2 of hotel space for a total gross area of 17,000 m2. It will be constructed on a 100m x 24m site located near the Oslo S railway station with a maximum height of 67 meters and up to 20 stories. The building must have indoor temperatures of 21 degrees Celsius during occupation hours and address parking and neighboring building requirements.

1. DESIGN TASK
L A R G E E N E R G Y
E F F I C I E N T B U L D I N G S

2. Design Task
New Building : Design of Europe’s
most energy efficient building.
Site : Bjørvika, Oslo.
On a site at Bjørvika (B13) near the Oslo S railway station be-
hind the new Opera, a planning principle named Barcode won a
planning competition a while back. On one of the Barcode strips
of 100 metres (North-South) x 24 metres (East-West) you shall
design a building with the ambition of becoming Europe’s most
energy efficient commercial building. It shall have a total en-
ergy need of less than 80 kWh/m2.
Indoor temperature is set at 21 degrees C in the occupation
time, which will be both for the offices and the hotel on average
: 10 hours a day and 5 days a week.
It shall contain 8500 m2 office and 8500m2 hotel, totalling
gross area of 17.000 m2.
Restricted parking of 1,6 places per 1000 m2.
No building parts shall be higher than 20 storeys.
Site is on level + 4 meters. Maximum building height must not
exceed + 67 meters.
There are streets and traffic on all sides of the site.
The distance to neighbouring buildings on the long sides is 14
metres. On the South side it is 42 metres. On the North side it
is 25 metres.

7. : FACADES & PLANS
EAST FACADE NORTH FACADE
VEST FACADE SOUTH FACADE

8. EXAMPLE HOTELL ROOMS

10. :perspektivskisse av nordvest fasaden (inngang hotell)