Nature + Green  

 

A green city center - BAF - Biotope area factor

Areas of application

The BAF covers urban forms of use - residential, commercial, and infrastructural - and formulates ecological minimum standards for structural changes and new development. All potential green areas, such as courtyards, roofs, walls, and fire walls, are included in the BAF.

The BAF values listed in the table below are applicable to the various development and use structures.

BAF Targets for
Alterations / Extensions
of construction sites

Creation of additional residential space or increase in the degree of coverage (DC)
New structures
DC BAF
Residential units (Residential use only and mixed use
with no commercial use of open space)
up to 0.37
0.38 to 0.49
over 0.50
0.60
0.45
0.30
 
0.60
 
Commercial use (Commercial use only and mixed use
with commercial use of open space)
  0.30 0.30  
Typical use in key areas
(Commercial enterprises and central business facilities
Administrative and general use)
  0.30 0.30  
Public facilities
(for cultural or social purposes)
up to 0.37
0.38 to 0.49
over 0.50
0.60
0.45
0.30
 
0.60
 
Schools (General-education schools, Vocational centres,
Education Complexes, Outdoor Sports facilities)
  0.30 0.30  
Nursery Schools and Day Care Centres
up to 0.37
0.38 to 0.49
over 0.50
0.60
0.45
0.30
 
0.60
 
Technical Infrastructure
  0.30 0.30  


Facades covered with greenery - click for enlarged view (34 K)
Facades can be covered with greenery as an ecosystem and species preservation measure