Extra basement parking — per 20 spaces above 40
Added to a building package with the building base fee; not sold on its own. For each 20 extra basement spaces above 40, and quantity = the number of groups, rounded up.
Added together with the item Parking basement (up to 40 spaces). The engineer checks the numbers at the first visit: any excess is charged and any shortfall refunded.
Repairs and parts are not included; you get their price before any work.