Section 104(4) in The Kerala Panchayat Buildings Rules, 2011
(4)Toilets. - A minimum of one special water closet shall be provided for the use of persons with disabilities with essential provision of a wash basin at an easily accessible location with proper signages:Provided that, in the case of such special toilets;(a)[ they shall be provided at the ground floor for Al, A2, B, C, D, E and F occupancies and at every floor, in multiples of three for A2, B, C, D, E, and F occupancies;] [Substituted by Notification No. S.R.O. No. 26/2014, dated 10.1.2014 (w.e.f. 14.2.2011).](b)minimum size of toilet shall be 1.50m.x1.75m;(c)minimum clear opening of the door shall be 90cm. wide and the door shall swing out or be sliding or folding type;(d)suitable arrangements of vertical/horizontal handrails with 5 cm clearance from the wall shall be provided in the toilet;(e)The water closet seat shall be 50 cm. above the floor level;(f)at least one sink in each floor shall have a knee room of 70 cm height under the sink; and(g)Locks of such toilet doors shall be of a type that can be opened from outside in case of emergency.