COST ESTIMATION AND BUDGET PLANNING ACCURACY LEVEL OF REHABILITATION AND IRRIGATION NETWORK IMPROVEMENT PROJECT USING COST SIGNIFICANT MODEL
Journal Title: International Journal of Applied Engineering Research and Development (IJAERD) - Year 2017, Vol 7, Issue 2
Abstract
Rehabilitation and Irrigation network improvement project activities is one of the budget codes containing inBudget Implementation List (DIPA) of Irrigation Institution in South East Districtusing unit price contract. Budget planning in the project is always set based on the experiences without using special method. So that it is required the certain method to find out the works affected in the project and existing budget planning accuracy level to reduce raising cost from the pre construction calculation using estimation price (HPS) before the project is tendered. The objective of this study is to identify the works that significantly affect the total project cost and to get cost model and project accuracy by using CSM Method.The result of this study shows that the stone masonry work (X4) is the most afected work to the budget planning in rehabilitation and Irrigation network improvement project as 74.90% to the works total cost. With the cost estimation accuracy level using Cost Significant Model is around (-11.72%) to31.31%, and accuracy level average is7.18%; the difference between CSM and HPS actual cost is Rp. 633,566,690 (1.07%) or CSM is bigger that HPS actual cost with the accuraci level is 6.92%.
Authors and Affiliations
HAFNIDAR A. RANI
Keywords
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