Development of an Integrated Risk-Informed Capital Renewal Optimization System for Municipal Wastewater Assets

基础设施资产管理系统由四个常见模块组成：a)资产盘点；B)检查和状态评估；C)业绩恶化和资产评估；d)资产优先级和优化。NSERC Engage项目的目的是帮助工业合作伙伴infrastructure resolution Inc. （ISI）解决城市污水资产风险信息资本更新规划系统开发中的两个特殊技术挑战，即：1)污水管道的恶化建模；2)综合考虑检修和状态评估工具、维修和修复技术、层次决策结构、网络效应、生命周期成本分析和风险分析的基于风险的资本更新优化体系。作为一家“会计”公司，ISI致力于开发最先进的资产管理优先级和优化软件，并协助市政府管理其基础设施资产的生命周期。这个项目代表了一个真正引人入胜的项目，在这个项目中，工业专家和学术界密切合作，为地方政府的长期资本更新规划提供了一个前沿的解决方案。该项目使用ISI开发的大型下水道状况数据库来开发统一的随机恶化建模方法，用于预测下水道状况、剩余使用寿命和系统可靠性。在优化系统的开发过程中，该项目将风险、服务水平和生命周期成本作为基础设施资产管理的一个整体三位一体来对待，这与许多其他类似的研究有很大的不同。研究成果将直接实施并整合到公司资产管理系统中。开发的软件将帮助资金紧张的加拿大市政当局实现基于市政预算和服务水平目标的实际、可实施和可防御的资本计划。它还将帮助社区控制他们的基础设施赤字，并通过更明智地使用维护资金来改善市政自给自足的前景。

An infrastructure asset management system consists of four common modules: a) asset inventory; b) inspectionand condition assessment; c) performance deterioration and asset valuation; and d) asset prioritization andoptimization. The purpose of this NSERC Engage project is to help the industrial partner, InfrastructureSolutioins Inc. (ISI) to address two particular technical challenges in the development of a risk-informedcapital renewal planning system for municipal wastewater assets, namely, 1) deterioration modeling forwastewater sewers; and 2) an integrated risk-based capital renewal optimization system that considersinspection and condition assessment tools, maintenance and rehabilitation technologies, hierarchicaldecision-making structure, network effects, lifecycle cost analysis, and risk analysis. As an "accountineering"company, ISI is dedicated to developing the most sophisticated asset management prioritization andoptimization software and assisting municipal governments in managing the lifecycle of their infrastructureassets. This project represents a genuine engaging project in which the industrial expert and academia workclosely to provide a cutting-edge solution for long-term capital renewal planning in local governments. Theproject uses the large sewer condition database ISI have developed to develop a unified stochastic deteriorationmodeling approach for the prediction of sewer condition, remaining service life, and system reliability. In thedevelopment of the optimization system, the project treats risk, level of service, and lifecycle cost as a holistictrinity of infrastructure asset management, which differentiates this project from many other similar studies.The research outcomes will be directly implemented and integrated into the company's asset managementsystem. The developed software will help cash-strapped Canadian municipalities to achieve practical,implementable and defensible capital plans based on the municipality's budget, and service level objectives. Itwill also help communities to gain control over their infrastructure deficit, and improve prospects for municipalself-sufficiency by spending maintenance dollars more wisely.