March 2012. Roejen was asked to replace the switchboard at the PLC Aquatic Centre. The site is owned and operated by the college. The site has a 25 metre pool and a smaller. The site utilises Ozone/Bromine as the residual disinfection system. The Ozone Generator is an Ozonia CFS6. Roejen installed a state of the … Continue reading Presbyterian Ladies College Aquatic Centre