My Mars Base 2

This is my second design that uses part of the spacecraft for the buildings. They are pre built, connected together and removed after landing.
Not sure on the removal method but shoveling a mound of dirt and sliding each module down a slope 1 at a time would work, removing dirt as you go.
A small electric Bobcat would be very handy if price permits so doing this would be quick. It would also be helpful in shoveling soil into my soil heater to obtain water.
A small Bobcat would be useful as