There shall be ample, accessible space for outdoor activity that is free from conditions that may be dangerous to the health or safety of children in care. If required by the office, the outdoor activity area shall be enclosed to protect children in care from accessible hazards such as a heavily trafficked area, a body of water, or environmental hazards. Any pool on the premises of the facility shall be made inaccessible to children in care and have security features, including but not limited to a: Fence that surrounds the pool at least 4 feet in height; Self-closing and self-latching mechanism on the gate, door, or access to the pool; Lock that is operable and secured; and Sensor or alarm in the pool and on the access door.