To draw up an exact technical task for miscalculation and design, you need to have the following information:
1. Dimensions and number of storeys of the building;
2. Purpose of the building;
3. Enclosing structures (cold, warm);
4. Roof (exploitable or not, lightning protection);
5. Engineering systems (ventilation, heating, electrical, sewerage, fire safety, etc.)
6. Internal work (floor screed, tiling, internal office fences, etc.)