Buildable with Red Science Techs for vertical contrustion (except Satellite-Substation for highest level power for top Box) Mass Construction 900-Tile Can be connected with PLS-Part A+B or Distributor Part A+B Connections are made to be fitting easily. You can add a Distributor on top to Provide Turrets or Signal Towers (set a specified Slot in the BAB for this.)
(You can reach out to me for any issues: https://www.reddit.com/user/horstdaspferdchen/)