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Framework for multi-purpose utility tunnel lifecycle cost assessment and cost-sharing

机译：多功能公用事业隧道生命周期成本评估和成本共享的框架

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The traditional method of buried utilities (i.e. water, sewer and gas pipes, and electrical and tele-communication cables) has been using for many decades particularly in urban areas. Repeated excavations are needed to access these underground utilities for maintenance, repair, and renewal activities. Urban areas have been experiencing many street closures and traffic disruptions because of excavation for maintaining underground utilities. These construction works have imposed major costs on public and private utility providers as well as on citizens and local businesses (social cost).Multi-purpose Utility Tunnel (MUT) was introduced as a solution that not only avoids these excavations, but also facilitates inspection and protects utilities. However, MUT is not widely used in most of the countries, because of the high initial investment, safety and security issues, complicated design and construction, and complex coordination of utility companies. Despite the higher design and construction cost of MUT, operational cost-savings can justify the investment from the project point of view. From the organization's point of view and based on cost-sharing, MUT should be more economical as well and the MUT benefits should be distributed fairly, to convince utility companies to participate in the MUT project. Lifecycle Cost (LCC) analysis of MUT and buried utilities method is complicated because of various factors that influence LCC. This paper aims to develop a comprehensive and systematic model for MUT and buried utilities LCC analysis by considering the influencing factors. The output of this model determines the LCC of MUT and buried utilities to ensure the project decision-makers that MUT is the economic method. This model also proposes a model of MUT cost-sharing to ensure the decision-makers of utility companies that MUT is the economic method for their company and also all the utility companies benefit from MUT fairly. This model defined the fairness based on three principals: (a) balance of risk, (b) balanced benefit-cost ratio, and (c) balance in contributed benefit and gained benefit. It is expected that the proposed model promotes using MUT by facilitating economical analysis and decision making for MUT projects from project and organization points of view.
机译：传统的埋地公用事业方法（即水，下水道和燃气管，电气和远程通信电缆）一直在几十年中使用，特别是在城市地区。需要重复的挖掘来访问这些地下公用事业维护，维修和更新活动。由于挖掘，城市地区一直在经历许多街道关闭和交通中断，以维护地下公用事业。这些建筑工程在公共和私人公用事业提供者以及公民和当地企业（社会成本）上强加了重大成本.Multi-Mexitiving Utility Tunnel（Mut）作为一种解决方案，不仅避免了这些挖掘，还促进了检查并保护公用事业。然而，由于初始投资，安全性和安全问题，复杂的设计和建设，以及对公用事业公司的复杂协调，MUT在大多数国家没有广泛使用。尽管MUT的设计较高，但运营成本节约可以证明从项目观点的投资。从组织的角度来看，基于成本分享，突变也应该更经济，而MUT效益应该公平分发，以说服公用事业公司参加MUT项目。由于影响LCC的各种因素，生命周期成本（LCC）分析是复杂的。本文旨在通过考虑影响因素来开发突然和系统模型，并通过考虑影响因素来分析。该模型的输出决定了MUT和埋地公用事业的LCC，以确保Mut是经济方法的项目决策者。该模型还提出了一个Mut成本共享的模型，以确保Mut的公用事业公司的决策者是他们公司的经济方法，并且所有公用事业公司都可以公平地受益。该模型根据三个原则定义公平：（a）风险的平衡，（b）均衡福利 - 成本比，（c）促进福利的余额并获得效益。预计拟议的模型通过促进项目和组织观点的经济分析和决策，通过促进经济分析和决策，促进使用MUT。

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  • 来源
    《Tunnelling and underground space technology》 |2020年第10期|103528.1-103528.15|共15页
  • 作者

    Alaghbandrad Ali; Hammad Amin;

  • 作者单位

    Concordia Univ Dept Bldg Civil & Environm Engn 1515 St Catherine St West Montreal PQ H3G 2W1 Canada;

    Concordia Univ Concordia Inst Informat Syst Engn 1515 St Catherine St West Montreal PQ H3G 2W1 Canada;

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