fort = {	
	fr_barracks_1 = {
		desc = fr_barracks_1_desc
		trigger = { TECH_FORTIFICATIONS_CONSTRUCTION = 0  }
		build_cost = 40
		build_time = 160
		retinuesize = 50
		garrison_size = 0.5
		
		ai_creation_factor = 78
		extra_tech_building_start = 5
	
	}
	
	fr_barracks_2 = {
		desc = fr_barracks_2_desc
		upgrades_from = fr_barracks_1
		trigger = { TECH_FORTIFICATIONS_CONSTRUCTION = 0  }
		build_cost = 60
		build_time = 160
		retinuesize = 50
		garrison_size = 1
		
		ai_creation_factor = 78
		extra_tech_building_start = 5
		
	}
	
	fr_barracks_3 = {
		desc = fr_barracks_3_desc
		upgrades_from = fr_barracks_2
		trigger = { TECH_FORTIFICATIONS_CONSTRUCTION = 0  }
		build_cost = 80
		build_time = 160
		retinuesize = 50
		garrison_size = 2
		
		ai_creation_factor = 50
		extra_tech_building_start = 5
	
	}
	
	fr_towers = {
		desc = fr_towers_desc
		trigger = { TECH_FORTIFICATIONS_CONSTRUCTION = 0  }
		build_cost = 50
		build_time = 80
		fort_level = 0.5
		
		ai_creation_factor = 99
		extra_tech_building_start = 5
	
	}
	
	fr_stone_towers = {
		desc = fr_stone_towers_desc
		upgrades_from = fr_towers
		trigger = { TECH_FORTIFICATIONS_CONSTRUCTION = 0  }
		build_cost = 60
		build_time = 240
		fort_level = 0.5
		
		ai_creation_factor = 56
		extra_tech_building_start = 5
	
	}
	
	fr_stone_walls = {
		desc = fr_stone_walls_desc
		trigger = { TECH_FORTIFICATIONS_CONSTRUCTION = 0  }
		build_cost = 50
		build_time = 200
		fort_level = 0.5
		
		ai_creation_factor = 67
		extra_tech_building_start = 5
	
	}
	
	fr_cmd_tent = {
		desc = fr_cmd_tent_desc
		trigger = { TECH_FORTIFICATIONS_CONSTRUCTION = 0  }
		build_cost = 50
		build_time = 80
		global_supply_limit = 1
		
		ai_creation_factor = 68
		extra_tech_building_start = 5
	
	}
	
	fr_cmd_building = {
		desc = fr_cmd_building_desc
		upgrades_from = fr_cmd_tent
		trigger = { TECH_FORTIFICATIONS_CONSTRUCTION = 0  }
		build_cost = 60
		build_time =260
		global_supply_limit = 1
		
		ai_creation_factor = 56
		extra_tech_building_start = 5
	
	}
	

