2B+G+4 building consisting of duplex penthouse at the top floor 385m2 consisting of double height living/ dining with open kitchen, powder room, guest bed room with private bath and separate entrance service quarter. On mezzanine floor, there is master bed room with dressing room and bath room and two children bed rooms with private bath. On first and second floor, there are two bed room apartments (216m2) on each floor with living/ dining and open kitchen, powder room, two bed rooms with private bath room. Separate entrance service quarter consists of service balcony, maid room with private bath, Ethiopian kitchen and laundry. There is occasion/party area at the roof terrace with rest room. On ground, first and second basement floors, there is commercial spa well segregated from the apartment entrance. We used ribbed slab system and it’s because of the slope we created two basement floors in such a small plot.