Section 70(5) in Kolkata Municipal Corporation Building Rules, 2009
(5)For building on plots measuring above 5000 Sqm., additional ground coverage to the extent of 15% may be allowed for car parking and building services. The additional ground coverage of 15% will be exclusively utilized for car parking, ramps, stair case, lifts for upper level car parking and building services, such as A.C. Plant room, Generator Room, Fire Fighting equipment, electrical equipment etc. not exceeding 5% out of such 15% subject to compliance of other relevant rules.
