As far as the facility itself is concerned, it does not contain equipment. However, in order to realize the function of the facility, it is necessary to include equipment. For example, roads, houses, water supply and drainage systems in factories, etc., are not able to realize their functions independently, and must be complemented by supporting equipment.
Sewage treatment facilities, mainly houses, pools and so on. If these facilities to realize its function, there must be equipment, such as pumps, grates and so on.
So, the facility is including equipment.