trench warfare 3d model

Create a 10 in long winding trench line similar to trench warefare in ww1. At each end of the trench line please add a concrete bunker in parallel with the trench line. The trench line should have logs as cover in some areas and not on others. the bunkers should be 1" tall and the trench lines should only be .25: tall. This is to be used for the game called Battletech miniatures game which uses 6mm scaling