a new business center "Mariinsky" class "A" near the Mariinsky Park, st.M Arsenalnaya 350 m, high quality construction, open-space, H = 3,3 m, technical equipment: lifts firm Otis (France) , central water supply system, own gas boiler house with a total capacity of 8.75 MW, air conditioning fan coil system, supply and exhaust ventilation system, power supply from the built-in TP with a total capacity of 3300 kW, fire safety system