Trans RINA, Vol 161, Part A4, Intl J Maritime Eng, Oct-Dec 2019


4.3 (b) Estimation results for Los Angeles-Manila (Figure 9-b):


a) As shown in Figure 13, a shipping carrier selecting Kaohsiung as its


transshipment port on the


westbound T/P route enjoys a greater cost advantage than one choosing Hong Kong. For example, a carrier transshipping containers at the Port of Kaohsiung using a 8,000 TEU mother ship coupled with a 1,500 TEU feeder ship can save US$50.54 per TEU compared with transshipment in Hong Kong. However, if the containers are transported on the same mother ship type but on a larger feeder-ship, the amount of cost saved does not change considerably. Similarly, if the containers are transported on the same feeder-ship type but a larger mother ship, the costs saved remain approximately the same. These results indicate that because the westbound T/P route is a return route it is essentially different from the eastbound T/P route, and therefore changes in ship size have a minimal influence on the shipping carriers’ costs.


b) Figure 14 shows that if the feeder-ship’s size is fixed at 2,000 TEU and the mother ship’s at 8,000 TEU,


and the LF increases (0.6 → 0.9) indicating increased cargo resources, then a shipping carrier transshipping at Kaohsiung saves less cost for each TEU (52.59→49.34). This result is similar to the aforementioned example on the eastbound T/P route, indicating that if neighboring ports have more sufficient cargo resources, shipping carriers enjoy fewer advantages in choosing Kaohsiung. Compared with Hong Kong, however, the Port of Kaohsiung still retains a cost advantage.


c) As shown in Figure 15, the analysis results for the westbound T/P route indicate that if the feeder-ship’s size is fixed at 2,000 TEU and the mother ship’s at 8,000 TEU, and R increases (R = 100 → 130 TEU/per hour), then a carrier transshipping at Kaohsiung saves more cost for each TEU (50.15→59.72). This result indicates that high handling efficiency and a larger mother ship favor selection of the Port of Kaohsiung. As already stated with regard to the result for the eastbound T/P route, Kaohsiung must build new deep-water terminals equipped with larger handling machines to maintain its advantage as a regional hub.


Figure 13: [Costs saved by shipping carriers transshipping at the Port of Kaohsiung (westbound T/P)]


A-396


©2019: The Royal Institution of Naval Architects


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