Housing structure for pig

I have a 10 acre land in Ghana, West Africa which I want to use to go into a PIG production enterprise. I am actively seeking professional recommendations as how to go by in the construction of the structures (sizes). My aim is start with 100 piglets, 20 sows and 4 boars. These are the areas that i require suggestions: I will welcome any comments that will lead me to gather as much information for me to begin the project.