Contacting related bitcoin companies in your area would be a good start. Also doing research on the existing regulations of running the btc atm in your location will help.
The very first step is to check the rules and regulation because without which nothing going to help it. Even if you do all the research but if government does not support this then it will be totally failure. Thus along with the regulation then you will need to have the survey in your area which will help you with the required details like who all uses the cypto currency, their age group , footfalls etc.
What survey and all you are say buddy, I think you do not know about it lol. There are many Bitcoin ATM Manufacturer through out the world so you have to check the place and approval government you can get for this.
If your Government accepts for this you can have the bitcoin ATM in your city as well. Please check the list below.
https://www.bitcoin.com/bitcoin-atm-manufacturers