Section 26(1) in New Town Kolkata Planning Area (Building) Rules, 2014
(1)The following appurtenant structures shall not be included in the height of the building:-(a)stair cover not exceeding 2.60 metres in height from the surface of the roof;(b)lift machine rooms as per the latest edition of the National Building Code of India;(c)roof tanks and their supports, the height of supports not exceeding 0.75 meter and the top of the tank not exceeding 3.00 meters from the surface of the roof or highest point of the building;(d)parapet walls or railings not exceeding 1.50 meters in height (with a minimum height of parapet wall or railing of 1.00 meter);(e)ventilating, air-conditioning and other service equipment;(f)dome, minaret, kiosk, pergola and other non-usable feature not exceeding 3.50 meters in height;Note: a. There shall be provision for lift in buildings having height more than 15 m.b. No appurtenant structure shall be constructed on another appurtenant structure which shall be exempted only for over head water tank.
