So what do you want to achieve?
If the work is underway then the OC will have to pay the contractor what has already been completed, and maybe additional costs for cancellation of a contract.
So where is the saving?
How do other owners feel about the situation? If you are the only voice out there, then any meeting will be pointless if you can’t get a majority of owners to align with your view and vote on a motion. ( I’m not specifying a motion, that’s for you to decide what action you want to propose).
I always think that beautification work around a building adds value to the property.