In this episode Tejaswi Shetty, Microbiologist and Senior Property Risk Consultant at Greencap joins host Mark Reggers to discuss cooling towers and the hazards they can present.
A cooling tower is a heat rejection device used to lower the temperature of the water contained within it through evaporative cooling. It expels waste heat to the environment outside the building allowing the cold air to move into the internal parts of the building and cool the structure. Sometimes the dispelled air may be contaminated with Legionella bacteria, that if inhaled by susceptible people, may develop into legionnaires’ disease.
Tejaswi Shetty (pictured left) Tejaswi is a senior property risk consultant for Greencap. She brings her breadth of experience and depth of expertise to ensure success across large and diverse projects for clients at Greencap.
Tejaswi has 10 years of experience in the field of Microbiology which includes testing, analysing, reporting and authorising various pathogenic and non-pathogenic micro-organisms found in food, water and soil samples. She has extensive knowledge and experience dealing with Legionella, managing several clients and their cooling water systems, hot water systems, boilers and thermostatic mixing valves, assisting in the production and review of cooling tower risk management plans and conducting on-site audits.
Tejaswi also served as a Quality Manager for several years looking after accreditation requirements for the company’s environmental microbiology division. During this time she reviewed and audited numerous aspects of water legionella in line with Australian Standard and NATA requirements ensuring ongoing accreditation to ISO/IEC 17025. She has also worked as a Senior Consultant in Quality Management, handling various client projects covering multiple aspects of international and national standards, local legislation and regulatory standards. She has extensive experience in the role of contract Quality Manager as a reviewer, auditor and training facilitator.
In this episode, Mark & Tejaswi discuss the following:
Cooling towers are found in oil refineries, petrochemical industries, thermal powered stations, nuclear-powered stations and most importantly in the heating, ventilation and air conditioning units of many structures. If you’re a building owner, facility manager, or relevant party involved in the care and maintenance of cooling tower systems, you need to understand the risk of legionnaire’s disease that can manifest through them. This hazard should underpin all aspects of the management of cooling water systems to ensure they do not have an impact on the public and building occupants where these systems are present. Tune in as we take a look at cooling towers and their connection with Legionnaire’s disease, an ailment that attacks respiratory systems when legionella infected water droplets, fine drops or aerosols are inhaled.
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