Preventing Airborne Disease Transmission: Review of Methods for Ventilation Design in Health Care Facilities

Table 8

Functional spaces in health care facilities [72].

Functional space category	Subspace functions; (minimum required ACH±^1)
Surgery and critical care	Class A (15+), B (20+), and C (20+) operations, newborn intensive care (6+), triage (12+)
Inpatient nursing	Patient recovery (6), protective environment (12+), airborne infection isolation (12−), corridor (2)
Skilled nursing facility	Resident (2), gathering/activity/dining (4)
Laboratories	Diagnostic radiology (6), surgical radiology (15+), bacteriology (6−), microbiology (6−), autopsy (12−), sterilizing (10−)
Diagnostic and treatment	Examination (6), medication (4+), treatment (6)
Sterilizing and supply	Sterilizing equipment (10−)
Central medical and surgical supply	Clean workroom (4+), sterile storage (4+)
Service	Food preparation (10), laundry (10−), bathrooms (10−)
Support	Hazardous material storage (10−)

^𝟏+: positive pressure required; −: negative pressure required.