Section 39(4) in Tamil Nadu Combined Development and Building Rules, 2019
(4)(a)The space specified above shall be kept open to sky and free from any erection or projection such as sunshade or balcony of any building other than a fence or compound wall provided that these open yards may be used for the provision of access ways to the building's parking facilities.(b)A watchman or caretaker booth or Kiosk not exceeding 2.5m.x 2.5m. in size at each gate and not exceeding 3m. in height and open transformer yard shall be permitted in the set back space after leaving 7 meters clear set back from the main structure.(c)Gate pillars without or with arches with a min. headroom clearance of 5.50m at-least to a width of 3.5m. shall be permitted in the set back space after leaving 7 meters clear set back from the main structure.
