Completing A Rising Tide in Arc Raiders' new Shrouded Sky update sees you venturing into the new Controlled Access Zone area in Dam Battlegrounds. It's a relatively simple quest, which is more than I can say for Worth Your Salt or tracking down a Comet Igniter, but you will have to visit both the Buried City and Dam Battlegrounds to get it done.
Finding the foreman's apartment is by far the most confusing step, since the way you access it is a bit awkward. All that said, here's how to complete A Rising Tide, find said apartment, and get to the Controlled Access Zone for the final step.
