Hiring of Manpower for operating Grab Hopper Dredger- Master ( over all Dredger Operator and Incharge ), Hiring of Manpower for operating Grab Hopper Dredger- Crane Operator, Hiring of Manpower for operating Grab Hopper Dredger- Deck Hand/ Seaman, Hiring of Manpower for operating Grab Hopper Dredger- Engine Room Crew ( Engine and Electrical )