Installation, expansion and renovation of engineering lines and networks inside low, medium and high complexity buildings (БА-6.1, БА-6.2, БА-6.3 БА-6.4).
Installation, expansion and renovation of engineering lines and networks inside of high complexity buildings (БА-4.1, БА-4.2, БА-4.3 БА-4.4 БА-4.5).