What is the fine-grained topic of the following text: It falls within the Town Planning Zone Eβ (commercial) 76% with Building Density coefficient 140%, Coverage coefficient 50% and buildability of 3 floors and 11.3 m height and a smaller part of it in Kα6α (residential) 24% with Building Density coefficient 90%, Coverage coefficient 50% and buildability of 2 floors and 10 m height. Only return the topic.
Zoning and building regulations for commercial and residential areas.