RACA Journal January 2020 | Page 36

Associations ASHRAE TALKS ABOUT MEDICAL GAS MANAGEMENT By Ntsako Khosa ASHRAE’s South African Chapter hosted a Technical Talk at the Draeger offices in Buccleuch, which looked at medical gas and gas detection systems. Devon Marks from Draeger addressing the attendees. 34 RACA Journal I January 2020 • Carbon dioxide and Nitrous Oxide for minimal invasive surgery; • Medical Air for breathing and operation of medical devices; and • Vacuum for secretion draining and scavenging of anaesthesia gas. These gases are applied in anaesthesia, ventilation, neonatal care, therapeutic use, minimal invasive surgery, surgical tools bronchial suctioning, secretion draining and anaesthesia gas scavenging. “The aim of a gas system in hospitals is to provide a continuous and safe supply for all medical gases. Patient safety should take first priority during complete design and installation process,” Marks shared. Design principles of the system are two-fold, double and triple redundancy for all important areas and components as well as having a H eld in October 2019, Declan van Greunen, the 2019-2020 ASHRAE South Africa Chapter Technology Transfer Committee (CTTC) Chair, opened the evening welcoming everyone and sharing a brief history of the association. “Since its inception in 2018 locally, we are starting to see a growing membership. It’s a voluntary association with 13 committees currently established, which includes refrigeration, fire, government affairs, building simulations and the technical committee (CTTC) to mention a few,” he said. The first speaker was Devon Marks, Draeger business development manager, who looked at the purpose, design and standards of medical gas management systems. Gases commonly used in hospitals are: • Oxygen for breathing and therapeutic use; • Nitrous Oxide for anaesthesia; www.hvacronline.co.za