Removing the base between two garages

Hi,
We are in Newmarket.
I want to convert two garage doors to one. (The photos are in attached file)
The base between two garage doors (separating two doors) must be removed.
The final size of garage after removing the separator will be 16″ x 7″.
Could you please give me a quote, and let me know when do you have time to do that?
Regards
Arsalan
647 247 3744