XINGWen-wen,YANGLi-wei,GAO Feng,et al.Evaluation of Secondary Water Supply Supervision Technology Based on AHP and Weighted Rank Sum Ratio Method[J].China Water & Wastewater,2022,38(7):126-131.
基于AHP与加权秩和比法的二次供水监管技术评价
- Title:
- Evaluation of Secondary Water Supply Supervision Technology Based on AHP and Weighted Rank Sum Ratio Method
- Keywords:
- secondary water supply; supervision technology; evaluation system; analytic hierarchy process; weighted rank sum ratio method; comprehensive evaluation
- 摘要:
- 二次供水系统评价是体现城市供水从源头到龙头“最后一公里”达标情况的核心依据，而监管技术评价是对二次供水系统整体建设水平与管理能力的综合评价，涉及因素众多，目前缺乏深入研究。依据国内18个代表性城市的175个建筑与小区二次供水系统调研基础，结合现有研究，构建了包含基础水平、供水可靠性水平、管理体制与信息化水平、水质保障水平、巡检及维护水平、监督与考核水平6项核心指标，以及系统建设年限、供水方式、管理模式等25项子指标的监管技术标准评价体系。采用层次分析法（AHP）集结专家群决策计算指标权重，建立基于改进加权秩和比法的综合评价模型，对北京、上海、深圳、天津、兰州、珠海6个城市的样本进行整体和分项评价，得出回归方程并通过检验。结果显示，评价具有统计学意义，评价方法有效可行，能够应用于我国建筑与小区二次供水系统管理技术评价，为管理者提供技术借鉴与理论参考。
- Abstract:
- Evaluation of secondary water supply system is the key basis to reflect the “last mile” of urban water supply from the source to the tap. The evaluation of supervision technology is a comprehensive evaluation of the overall construction level and management ability of the secondary water supply system, which involves many factors and hitherto lacks in-depth research. Based on the research of secondary water supply system for 175 buildings and communities in 18 representative cities in China and combined with existing research, the evaluation system of supervision technical standard was constructed, which included six core indexes, such as basic level, water supply reliability level, management system and informatization level, water quality security level, inspection and maintenance level, supervision and assessment level, and 25 sub-indexes, such as system construction period, water supply mode, management mode and so on. The analytic hierarchy process (AHP) was employed to gather expert group decision to calculate the index weight, and a comprehensive evaluation model based on the modified weighted rank sum ratio method was established. The model was applied for overall and itemized evaluation of samples from Beijing, Shanghai, Shenzhen, Tianjin, Lanzhou and Zhuhai, and the regression equation was obtained and passed the test. The evaluation had statistical significance, and the evaluation method was effective and feasible, which could be applied to the management technology evaluation of secondary water supply system of buildings and residential areas in China, and provide technical reference and theoretical reference for managers.
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