Price false ceiling civil work as an area-based service charge
Add a False Ceiling Services row in the Service Charges screen and price it per square foot of area.
Civil work such as false ceiling can be priced as an area-based service charge.
In the Service Charges screen (Quotation → Service..) add a row and choose the False Ceiling Services option.
Set the measurement basis to area in square feet.
Enter the per-square-foot rate and the total area as quantity.
Set the charge's tax rate and save.