Installing multiple modules of inflatable hangar with a new end wall of SK MOST during the tunnel construction in November 2011. 4 modules of hangar, made for the company OOO "Tunnel squad No. 12", are used. In 2009, pneumohangar was used to cover Tunneling complex at laying Kuznetsovsky tunnel in Khabarovsk Krai. Effective area of 4-unit pneumohangar is 660 sq. m.