Phoenix Demolition Pools Concrete - Type of Demolition: There are two types of demolition. Total: In a complete, or total, demolition, the pool is broken up, the debris hauled away and the hoel filled with dirt or gravel before the site is properly graded. This is a good option if you plan on building anything on the site. Partial: The cheaper option is a partial removal, also known as a fill-in. This involves breaking up part of the pool walls, drilling holes in the bottom for drainage and filling it in with fresh dirt or gravel. While this is a less expensive option it is not the one to choose if you plan on building anything on the site. It leaves behind small air pockets and cracks that can cause instability.