For the exhibition, there are no specific needs. It can be a white cube, or an alternative space, as long as there are walls.
Dimensions are variable depending on the number of paintings.
Also, the series doesn't need to be shown altogether: it can be a selection, as they work well isolated or in small groups. 
I sugest a group of 20/25 paintings to be shown in a pannel of aprox. 200x200cm. 
It can also work in line (for example 12 paintings would need  aprox. 350cm).