DRAINAGE SYSTEM OF TALL BUILDING

摘要

FIELD: construction.;SUBSTANCE: invention refers to construction industry, in particular to drainage systems of tall buildings. A drainage system of a tall building includes a funnel of the drainage system, which is installed on the building roof, a riser and a drainage branch pipe. The drainage system has two locking devices, one of which is arranged below the funnel, and the second one is located above the drainage branch pipe, a supply branch pipe with a half-coupling and a locking device and floor-by-floor branch pipes with locking devices and half-couplings.;EFFECT: improvement of efficiency of a fire-fighting process.;1 dwg