The bk_server_map.rar file you have requested: Garry's Mod / Maps / Half-Life 2: Garry's Mod Build it your way Map - 1.04mb is not available. Perhaps try browsing all files for the game Half-Life 2 and upload any files you want to share or are missing. This is the only information we could locate:
This is a good building map for gmod by \"Chrome\". It is a large area with small \"Bunker\" like buildings dotted around the place, it has quite a large space for building and whatnot. There is also an admin room (How to get there is explained in the readme).