8. Parts to be included for calculating floor area

 In the calculation of floor area of buildings the following shall be taken into account, namely:-

1. General:
   
   
   1. the total floor area of building shall be the sum total of floor areas at every floor including basement, if any;
   2. all internal sanitary shafts, air conditioning ducts and lifts shall be included in all the floor levels;
   3. The area of 'Barsati' or penthouse at terrace floor level shall be included in the floor area; and
   4. towers, turrets, domes, etc., projecting above the terrace shall not be included in the floor area at terrace level.
2. Floor area of ground floor:
   
   
   1. the floor area of ground floor shall be calculated at the plinth level excluding the plinth off-sets (if the off-set does not exceed 5 cm.);
   2. in cases where the building consists of columns projecting beyond cladding the floor area shall be taken up to the external face of the cladding and shall not include the projections of columns;
   3. in the case of verandahs and balconies with at least one of its sides open (other than parapets) to exterior or interior open spaces, only fifty per cent of the area shall be taken into account for calculation of floor area, and,
   4. open platforms and terraces at ground floor and porches shall not be included in the floor area.
3. Floor area of upper floor:
   
   
   1. the floor area of upper floors shall be calculated at the relevant floor levels, architectural bands cornices, etc.,shall not be included in the floor area, vertical sun breakers or box louvers also shall not be included; and
   2. in the case of verandahs and balconies with at least one of its sides open (other than parapets) to exterior or interior open spaces, only fifty percent of the are should be taken into account for calculation of floor area.
4. Floor area of galleries, mezzanine floor and lofts:-
   
   
   1. area of galleries i.e., upper floor of seats in an assembly hall, auditorium etc., shall be fully included in the floor area 
   2. area of mezzanine floors shall be included in the floor area; and
   3. the area of loft shall not be included.
5. area used for parking of vehicles within a building area of electrical room, room for air-conditioning plant, generator room, internal sanitary, shafts  and air conditioning ducts shall not be included in the floor area of any floor, however area occupied by lift shall be included in any one floor.