Art. 2a: Building Procedures Ordinance (BPO)

55 1 The following are subject to the reporting obligation, subject to paragraph 2

a. Solar installations on roofs, insofar as they are sufficiently adapted in accordance with Art. 32a of the Spatial Planning Ordinance of 28 June 2000 (RPV)11,

b. Solar installations on facades in building zones, if they are executed with low reflection according to the state of the art, are compactly arranged, run parallel to the facade, do not protrude beyond the facade surface and do not protrude at right angles by more than 20 cm,

c. Freestanding solar installations in building zones up to an area of 20 m²,

d. Solar installations in industrial and commercial zones on roofs, even if they are not sufficiently adapted in accordance with Art. 32a RPV,

e. Solar installations on facades and freestanding solar installations in industrial and commercial zones,

f. Indoor air/water heat pumps,

g. Outdoor air/water heat pumps, provided they do not exceed a volume of 2 m³,

h. Geothermal probe heat pumps, if all newly to be constructed geothermal probes have a minimum boundary distance of 2.5 m and are not located in the area of building and setback lines; the water protection law permit remains reserved in any case,

Building Procedure Ordinance (BVV) 700.6

i. Connections to a district heating network, if it meets the requirements pursuant to § 47g of the Special Building Ordinance I of 6 May 19814,

j. Publicly accessible charging stations for electric vehicles at existing parking spaces.

**2 All solar installations and outdoor air/water heat pumps in core zones, within the scope of a local townscape or heritage protection inventory, or within the scope of a monument protection order, require a permit.**

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