Section 26 in Tamil Nadu Panchayats Building Rules, 1997
26. Aisles and spacing rows of seats.
(a)Clear aisles not less than 1.2 metres in width shall be provided at right angles to the line of seating in such number and in such manner that no seat shall be more than 3.8 metres away from an aisles measured in the line of seating.(b)Where all the aisles do not directly meet the exit doors, cross aisles of minimum one metre width and at the rate of one cross aisle for every ten rows of seats shall be provided parallel to the line of seating so as to provide direct access to the exit.(c)Rows of seats between aisles shall not have more than fourteen seats and in the case of such rows opening to an aisle at one end, shall not have more than seven seats.(d)There shall be a minimum space of 85 cms. between the backs of any two rows of seats and a minimum of 35 cms. between the back of any seat and the front of the seat immediately behind it as measured between plumb lines.
