Designed to be built in two phases, the 7,000 SF Pet Emergency Treatment Services (PETS) hospital in Lancaster, Pennsylvania, was a joint undertaking by a group of 30 local veterinarians. The group needed an emergency and critical care facility to serve each of their respective daytime practices. PETS is located in what was formerly a large auto body repair shop. The renovation included the addition of a new front façade with copper cladding and clearstory windows over the Waiting Area to emit more natural light. Designed to provide state-of-the-art health care to more than 350 animals each month (including birds and reptiles), this facility has five exam rooms and a large Central Treatment Area with a glass-enclosed Intensive Care Unit for full-time monitoring of patients. The hospital is open all night on weekdays, and 24 hours a day on weekends and holidays.