The first sheet has the tonnage data for each of the 440 routes. Each of these routes is connecting some of the 72 segments, which are entered in Columns B and C. Name of the routes/segments in the original format are provided in the second sheet. Column C has the names of the segments. The third sheet has the cost of dredging each of the segments entered in Column A at different depths that are entered in Columns B to L The fourth sheet has the tonnage capacity of each route entered in Column A after dredging at different depths entered in Columns B to L The fifth sheet has the required number of vessels to meet the demand after dredging each of the routes entered in Column A at different depths entered in Columns B to L The sixth and seventh sheets have water routes entered in Column A that carries some demand to the destination and from the origin The eighth sheet has the freight demand on each OD entered in Column A