add this to ExileClient_object_item_construct.sqf

        /* PREVENT BUILDING NEAR CERTAIN TYPES OF BUILDING */
        _cantBuildNear = [
            "Land_Dome_Big_F",
            "Land_Dome_Small_F",
            "Land_Barracks_ruins_F",
            "Land_Mil_Barracks",
            "Land_Mil_Barracks_i",
            "Land_Mil_Barracks_L",
            "Land_Mil_ControlTower",
            "Land_Mil_ControlTower_dam",
            "Land_Mil_Guardhouse",
            "Land_Mil_House",
            "Land_Mil_House_dam",
            "Land_i_Barracks_V1_F",
            "Land_i_Barracks_V1_dam_F",
            "Land_i_Barracks_V2_F",
            "Land_i_Barracks_V2_dam_F",
            "Land_u_Barracks_V2_F",
            "Land_Hospital_main_F",
            "Land_Hospital_side1_F",
            "Land_Hospital_side2_F",
            "Land_MilOffices_V1_F",
            "Land_Hangar_F",
            "Land_Ss_Hanger",
            "Land_Airport_Tower_F",
            "Land_Cargo_House_V1_F",
            "Land_Cargo_House_V3_F",
            "Land_Cargo_HQ_V1_F",
            "Land_Cargo_HQ_V2_F",
            "Land_Cargo_HQ_V3_F",
            "Land_Cargo_Patrol_V1_F",
            "Land_Cargo_Tower_V1_F",
            "Land_Cargo_Tower_V1_No1_F",
            "Land_Cargo_Tower_V1_No2_F",
            "Land_Cargo_Tower_V1_No3_F",
            "Land_Cargo_Tower_V1_No4_F",
            "Land_Cargo_Tower_V1_No5_F",
            "Land_Cargo_Tower_V1_No6_F",
            "Land_Cargo_Tower_V1_No7_F",
            "Land_Cargo_Tower_V3_F",
            "Land_Radar_F",
            "Land_Vez"
        ];
        _cantBuildDist = 200;
        // Disabled this for now. Use defined locations below to prevent building.
        if ({typeOf _x in _cantBuildNear} count nearestObjects[player, _cantBuildNear, _cantBuildDist] > 0) then { throw "Building near military is disallowed on this server."; };