- Mechanical design for water and wastewater treatment facilities
- Cogeneration system evaluation and design
- HVAC and odor control
Sarwan has 38 years of experience in design of mechanical systems in water and wastewater treatment plants. His specialized experience includes headworks, pump stations, standby power, air and gas compressors and blowers, energy efficiency and optimization, digestion, cogeneration, HVAC, and odor control system design.