Section 113(3) in West Bengal Municipal (Building) Rules, 2007
(3)Notwithstanding anything containing in the preceding sub-rules, one additional bath-cum-W.C. for attendant may be allowed in each building, over and above the permissible numbers having minimum size as specified in rule 117. The said bath-cum-W.C. will be the integral part of the whole building :Provided that one room for watchman with attached bath-cum-W.C. may be provided at car parking space of co-operative building, the floor area of which shall not be counted in floor area ratio. The floor area of such room shall not be more than 10.00 sq. m. and that of the bath-cum-W.C. shall not be more than 3.00 sq. m. :Provided further that one room for watchman with attached bath-cum-W.C. may be allowed at the roof level of all existing buildings not exceeding the height of mumti roof, subject to the condition that the wider side space of all such buildings will be made free from any sort of construction, the floor area of which shall not be counted in floor area ratio. The floor area of such room shall not be more than 10.00 sq. m. and that of the bath-cum W.C. shall not be more than 3.00 sq. m.
