description of implementation:
Redevelopment and expansion of a commercial building:
Removal of an entire floor (slab above the ground floor, replacement of steel columns and beams), construction of a connecting passage (light steel structure, trapezoidal panel cladding), and a new elevator shaft.
Existing prefabricated building (hollow-core slabs, concrete and steel columns and beams). Building supported on foundation piles.
Calculations and workshop drawings.
