Over 30 years of experience in mechanical system design, supervision, management and installation. Great knack in problem-solving and have decision making and leadership skills, as well as a team player. Excellent oral and written communication abilities and up to date in the latest technology. Prepared preliminary proposals. Did calculations for Cooling, Heating, Ventilation, Humidification, Infiltration, Pressurization, Pressure Drop, Smoke Control, and Power Input. Assessed cost estimations and prepared price analysis to provide the client with utmost design for the money. Prepared control schematics and point schedules Analyzed special HVAC designs such as Thermal Storage, Evaporative Cooling Systems, Heat Recovery, Heat Pump Systems, Air Washer Systems, and VAV Systems. Selected HVAC equipment and materials. Worked on duct and pipe layout and sizing. Designed Plumbing and Fire Protection Systems. Assisted in selection of conveying and standby power generation systems.