-From the floors (16-20) of Sabancı Holding's 4th Levent twin towers; Fine construction work started on the 16th and 17th floors, and rough construction work began on the 18th, 19th and 20th floors.- Quantity studies were carried out for the Mercedes Benz bid office and Sabancı Holding technical office.-In Sabancı technical office; (between 18 and 23 floors) to floors except 21st floor; Quantity studies were carried out for walls, ceilings, floors, paint, aluminum joinery, doors, aluminum works, fire door, fixed furniture, kaj construction work, curtains, technical lighting, decorative lighting, flower pots.-The quantity of floors, doors, fixed furniture, aluminum joinery has been calculated for the Mercedes Benz offer office architecture.

-Spatial adaptation studies were carried out under the theme of "Current needs". (Ankara/Ayrancik)Open areas suitable for use were designed by changing the occupancy-space ratios of the buildings by adapting them to the present without demolishing the buildings in the plots of the 60s.- Based on sunlight, a mobile facade design that can be opened and closed according to demand was made. Terracotta material was chosen, and the feature of heating in the winter and keeping it cool in the summer was utilized.- Since the users of the building are the elderly group and there is no elevator in the building, a stair lift was designed with ergonomics in mind.-The locations of the trees were determined and the root sizes of the trees were examined, and the parking area was created in the basement by changing the places of the suitable trees.- Since the users spend most of their time at home during the pandemic period, mini garden areas have been designed where they can grow vegetables and fruits on the balcony in accordance with their needs.