The civic body could collect user charges based on the size and usage of buildings. Residential buildings with built area up to 500 sqft would have to pay Rs 10 per month. For those with built area between 501 sqft and 1,200 sqft, the fee would be Rs 25. The charge would be Rs 50 and Rs 100 respectively for residential buildings with a area between 1,201 sqft and 2,400 sqft, and residential buildings above 2,401 sqft.