doi:10.3850/978-981-08-9247-0_rp052-icsas11

ABSTRACT

This paper presents a life-cycle cost assessment of two design alternatives for a World Wildlife Fund (WWF) Sabah visitor centre along Sungai Kinabatangan, at Sukau. These design alternatives incorporate the same timber-based superstructure, but one option includes a land-based structure with piled foundation, and another is a floating structure. The material, maintenance and life-cycle costs of both alternatives are assessed using Life-Cycle Cost Analysis (LCCA). The LCCA procedure includes selection of the design alternatives, estimation of all costs, definition of constant parameters, performing life-cycle costing for each alternative and comparing the alternatives. The material cost of the floating option is found to be higher than the land-based option, but with higher machinery, workers and maintenance costs, the land-based option has the higher life-cycle cost. Thus, the floating option is more favourable based on costs. This study demonstrates that LCCA is a good tool to evaluate the total cost of a construction project.

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