This is the 14767th most frequent Russian word.
планировочных
"Of planning" or "planning-related."
The word 'планировочные' serves as an adjective describing 'особенности' (features) referring to aspects related to planning or layout in this sentence.
Мы обсуждали планировочные особенности нового здания.
We discussed the planning features of the new building.
Here, 'планировочные' modifies 'решения' (solutions), indicating ideas or proposals concerning the design or layout.
Архитектор представил планировочные решения для нового района.
The architect presented planning solutions for the new district.
In this example, 'планировочные' describes 'характеристик' (characteristics), focusing on attributes related to spatial planning or layout.