5. Ongoing Commissioning in Critical Environments
If you want to be sure your ventilation system is safe, effective and consistent in operation, the single best recommendation we can give you is to perform ongoing commissioning. If […]
4. Outdoor Airflow – Measurement And Control
Australia’s Standard for mechanical ventilation AS 1668:2 is a minimum design requirement and owners should maintain and verify basic operational requirement. A concern for many owners and their facility managers […]
3. Critical Airflow in Healthcare
Mitigating The Risk From Airborne Infections In the ASHRAE Handbook there are three engineered controls described for room pressurisation and directional airflow. Two of these controls – direct pressure and […]
2. Fume Cupboard Performance Testing
Perhaps the most important operational requirement in chemistry laboratories is the rapid disturbances from the opening and closing of fume cupboard sashes. Such disturbances require a fast response from the […]
1. Pressure Dependent Vs Pressure Independent Control
Pressure Dependent Applied using blade dampers Advantages Straightforward, simple design Low cost of controls Minimum requirement Disadvantages Stability is compromised because the system is pressure dependent. Changes and fluctuations create […]
