A question about building

https://preview.redd.it/9dlrg8ugz9hf1.png?width=1022&format=png&auto=webp&s=30d1f5d9f8ffbbb4d0824a7967f3663bbdb7d563

can those map generated stairs be in included in my castle especially when its highlighted in the map , if so how ?

https://preview.redd.it/2d2845gnz9hf1.png?width=145&format=png&auto=webp&s=a7b9360ae5136cff025ee4fd33dc3cf4f1eeebb8