The thesis deals with the technology of top down construction method. The basic types of protection\ud
of excavation pit are presented. Details of classic top down method, nonshored formwork system for top down construction, strut as permanent system, bracket supported R/C downward and strut top down are explained. Two examples from Slovenia, parking house Kongresni trg in Ljubljana and The National and University Library of Slovenia designed by the architect Jože Plečnik, are described.\ud
The focus of this work is the description and comparison of individual methods, their advantages and disadvantages and conditions of use