Plans for extension of Moscow Metro include construction of 154 km of new lines and 73 new stations in 2012–2020. About 10 stations have to be put into service each year. The main construction goes on in highly developed city areas. Working on 1 km of new lines demands taking into account 17…20 existing buildings. The complex plan of scientific support, elaborated in order to provide preservation and safe exploitation of buildings in construction area, goes along with all stages of design and construction works.