1. Case Study InternationalAirport Innovation and Green Star

2. Client Details Airport serviced 28.5 million people in 2011. There are 12,000 plus staff working there daily and are growing approx 10% every year. Airport serviced 28.5 million people in 2011. There are 12,000 plus staff working there daily and are growing approx 10% every year.

3. Project Details HydroChem was awarded the water treatment in August 2007 HydroChem was awarded the water treatment in August 2007 Started October 2007 Started October 2007 An expansion project at least for the next five years An expansion project at least for the next five years

4. Project Description Green Star and Innovation Green Star and Innovation Corrosion control with water and energy savings of all Buildings plant and associated equipment. Corrosion control with water and energy savings of all Buildings plant and associated equipment. Over 60 systems. Over 60 systems. Bacterial control of all cooling towers Bacterial control of all cooling towers Increase lifespan of equipment and plant Increase lifespan of equipment and plant Maintain and monitor Waste Water Systems Maintain and monitor Waste Water Systems Minimise water usage and energy consumption Minimise water usage and energy consumption Tailor a program and equipment for Tri Gen plant Tailor a program and equipment for Tri Gen plant

5. HydroChem’s Involvement Designed, supplied, installed and maintaining dosing equipment for cooling towers Designed, supplied, installed and maintaining dosing equipment for cooling towers Online Monitoring and maintaining of cooling water chemistry (over 10 systems) Online Monitoring and maintaining of cooling water chemistry (over 10 systems) Designed, supplied, installed and maintaining Filtration systems with back wash water reuse. Designed, supplied, installed and maintaining Filtration systems with back wash water reuse. Specifically tailored chemicals and WT programs for increased bacterial and corrosion control extending equipment lifespan. Specifically tailored chemicals and WT programs for increased bacterial and corrosion control extending equipment lifespan. Designed/designing, supply, install,maintain dosing equipment and chemicals for waste water including web monitoring. Designed/designing, supply, install,maintain dosing equipment and chemicals for waste water including web monitoring. Designing rain and bleed water capture and recycle system Designing rain and bleed water capture and recycle system