1173 Security Improvements. 123devmo321 1 The docks. Docks need a 3 high wall around them so people cannot simply dodge the gate. :: :: 2. The Sewers. Sewer exits need to simply be made into a gate, and closed, anyone can enter the city like this, and we can't waste guards patrolling the sewers. :: :: 3. Gatehouse. The gatehouse needs some simple improvements, a window on the first floor, where the gate is operated, to look outside, would be perfect. We also need to make the guard house have a higher tower, so we can see around the city more efficiantly.