Proven work experience in Consultant company.Knowledge of Schematic diagram for piping and ducting. Knowledge of VRV, VRF, AHU, Grilles & Diffuser. Preparation of chiller plant room plan and sections Chilled water piping layout. Calculation of velocity:-a) Return duct,b) Supply duct,c) Press duct,d) Return Grille,e) Grille velocity Preparing FCU & AHU Chilled water. Knowledge of section:a) Riser diagramb) HRV ducting layoutc) High side schematic diagramd) Low side schematic diagrame) Plant room Working knowledge on AUTOCAD. Technical Certification Course ( Mechanical ) or Diploma in Mechanical Engineering.