n HVAC draftsman creates technical drawings to support the implementation of HVAC systems in buildings. They work closely with engineers and project stakeholders to translate HVAC design concepts into detailed drawings. Their responsibilities may include:
- Preparing shop drawings and MEP coordination layouts
- Preparing fresh air, exhaust air, and chilled water schematic layouts
- Preparing detail BOQs
- Preparing coordination drawings for internal and external sites, as well as plant rooms
- Preparing building duct work drawings
- Working on site piping layouts
- Drafting design scopes for kitchen appliances
- Heat load calculation
- Duct sizing
- Pipe sizing
- Ahu, Fcu, Axial fan, Chiller, Pump, Indoor units selection
- Pump header selection
- Parking ventilation
- Lift lobby ventilation
- Staircase ventilation
- VRV Dawing layout
- Chiller, AHU, FCU piping