Section 50 in The Greater Noida Industrial Development Area Building Regulations, 1992
50. Chimneys.
(1)Chimneys, where provided shall conform to the requirements of IS : 1645 : 1960 Indian Standard Code of Practice for fire safety or building (general) chimneys, flues, flue pipes and hearths.(2)Notwithstanding anything contained in clause (1) chimneys shall be built at least 0.9 mtr. above flat roofs and the top of the chimneys shall not be below the top of adjacent parapet wall. In the case of sloping roofs, the chimney top shall not be less than 0.6 mtr. above the roof where chimney penetrates.
