FIELD: electricity.
SUBSTANCE: underground combined cable gallery for cable lines of different voltage classes consists of, at least, two chambers and, at least, two top and bottom tunnels connecting them and located in parallel one above another along the vertical line at a distance in clear minimum 0.5 m. Each of chambers is divided by floorings, at least, into two or more floors and partitions the number of which depends from the number of cable lines of different voltage classes passing through the chamber.
EFFECT: improvement of reliability of urban power supply system functioning, shortening time of laying of cable lines of different voltage at minimum land allotment, ensuring the maximum safety of surrounding buildings and communications.
7 cl, 2 ex, 2 dwg
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