Prefab Concrete Garage Removal

I ve got a concrete panel garage that i need disposing of before the builders arrive to start on my extension in 10 days.
Prefab concrete garage removal. I have a quite old concrete sectional garage and am wondering about converting it for use as a workshop. Between the construction of various prefabricated. All of our concrete prefabricated garages will be installed free of charge at the time of delivery providing there is a suitable base. We completed this in just one day.
The roof is some sort of tar felt not asbestos with panels of clear plastic. My main question is this. Concrete garage walls rarely contain traces of asbestos but corrugated roofing on buildings constructed before 1990 invariably do. This project was to refurbish and extend and existing concrete garage as the owner required a wider garage with a new roof.
This begins with the corrugated roofing being carefully removed then followed by the walls. I really should do it. 1 weekend to breakup the floor using a breaker with a hangover is not recomended another 5 6 trips to the tip to clear all the concrete. All i ve got left to clear is a load of wrapped up asbestos sheets.
I put it on ebay for free but no takers yet. Experts in all types of concrete buildings for sale. As garage installers we are best placed to demolish concrete or asbestos wall garages in a methodical and safe way. Would it be possible to remove several of the 16 wide sections from one of the long sides and replace them with a timber frame which could hold a door and a.