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首页> 外文期刊>Journal of Construction Engineering and Management >Economic Sustainability of DBO Water Based on Wastewater Projects in the US: Three Case Studies
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Economic Sustainability of DBO Water Based on Wastewater Projects in the US: Three Case Studies

机译：基于美国废水项目的DBO水的经济可持续性：三个案例研究

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摘要

As public utility owners face increased budget constraints and greater expectations, alternative project delivery methods will increasingly be used to fast track projects, reduce costs, promote innovation, and ensure proper performance for water and wastewater facilities. The goals of public utility owners and U.S. federal tax regulations suggest why design-build-operate (DBO) projects have been selected over other procurement processes. The research reported in this paper contributes to the body of knowledge and benefits industry practitioners, by identifying tax regulations and best practices that when jointly considered improve the project delivery selection process, while enhancing risk-mitigation efforts on DBO water and wastewater projects. A procurement selection process using multiple-criteria decision and financial risk analyses is presented to select the most economically sustainable delivery method given each project's characteristics. A present value analysis establishes a range of values that takes into account variables that will potentially impact lifecycle costs. The selection of the procurement process and the contractor is based on best value where financial risks to the concerned government and contractor are mitigated through dynamic service fee agreements in accordance with current U.S. federal tax regulations.
机译：随着公用事业所有者面临越来越多的预算限制和更高的期望，替代项目交付方法将越来越多地用于快速跟踪项目，降低成本，促进创新并确保水和废水处理设施的适当性能。公用事业所有者和美国联邦税收法规的目标表明了为什么在其他采购流程中选择了设计建造运营（DBO）项目。本文所报告的研究通过确定税收法规和最佳实践，从而促进了知识和福利行业从业者的利益，这些税收法规和最佳实践共同考虑改善了项目交付选择过程，同时加强了DBO水和废水项目的风险缓解工作。提出了使用多标准决策和财务风险分析的采购选择过程，以根据每个项目的特点选择最经济可持续的交付方式。现值分析建立了一个值范围，其中考虑了可能影响生命周期成本的变量。采购流程和承包商的选择基于最佳价值，根据美国现行联邦税收法规，通过动态服务费协议可以减轻有关政府和承包商的财务风险。

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