You would probably have to make a few assumptions to solve this but
Volume of a cylinder
V= pi*r^2*h
Volume of a hemisphere
V = (2/3)*pi*r
radius of cylinder/hemisphere = 1.6m
height of cylinder = 16.4-1.6=14.8m
Total volume = pi*1.6^2*14.8 + (2/3)*pi*1.6
Total volume = 122.37m^3