1. Classification: Clean rooms are classified based on the type and size of particles in the air. Designers need to consider the specific requirements of the cleanroom classification when designing the room.
2. Air filtration and circulation system: Clean rooms require a highly efficient air filtration and circulation system to maintain the required air cleanliness levels. The designer must ensure that the system is designed to effectively provide clean air throughout the facility.
3. Materials: All materials used in the cleanroom must be suitable for the intended use, and they should not generate contaminants themselves. This includes everything from the walls and flooring to the furniture and equipment.
4. Layout and partitioning: The layout of the cleanroom should be designed with efficient workflows in mind. Proper partitioning is necessary to prevent the contamination of products, materials, and employees.
5. Heating, ventilation, and air conditioning (HVAC): HVAC systems must be designed to control temperature, humidity, and air cleanliness levels. This includes proper air balancing, filtration, and humidity control.
6. Lighting: Proper lighting is important in cleanrooms to enable accurate visual inspection of products and detect contamination.
7. Personnel protective equipment (PPE): Special PPE such as gowns, gloves, and masks may be required for employees working in the cleanroom.
8. Cleaning and maintenance: The design must allow for proper cleaning, disinfection, and maintenance of all equipment, surfaces, and fixtures in the cleanroom.
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