Abstract
In recent past the United States Department of Transportation has implemented a number of changes in regulations regarding federal-aid transportation projects. Some of these regulations are designed to help the disadvantaged business enterprise (DBE) firms and subcontractors in general, by requiring the general contractors to pay their subcontractors in a timely manner. Further, these regulations require that general contractors pay their subcontractors' retainage after the subcontracts are completed, even if they have not received their own retainage from the owner. This paper reviews these new regulations and introduces a financial model for quantifying the effect of these new regulations on the contractors' profit and the cost of transportation projects. The analysis is done using a spreadsheet-based cash flow model that takes into consideration the expenditure curve, the owner and general contractor's payment and retainage policies, front money, finance charge on negative cash flow, and interest income on positive cash flow, and final payment and return of retainage policies. A survey was conducted among contractors in Massachusetts and their input was used to run the cash flow model. The results of the analysis for eight different projects are presented and it is shown that the new regulations, on average, reduced the contractor's profit by 4.35%. It is also shown that the average potential cost increase for transportation projects is 0.14%.
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More From: Journal of Construction Engineering and Management
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