| The construction of sewage treatment plant plays an important role in improving the water environment,improving the city appearance and promoting the healthy and sustainable development of the city.In recent years,with the application and promotion of PPP mode,many sewage treatment plants have begun to use this mode.Using PPP mode,the government's investment in the early stage is smaller than the traditional mode,not only reducing its financial pressure while the private enterprises participated,but also make investment more diversified,it is conducive to the healthy development of the sewage treatment market.The combination of government departments and private enterprises can give full play to both sides' advantages and improve the quality of service for the public.The operation of sewage treatment plant is a public welfare project and has a certain monopoly nature.After adopting PPP mode,the nature of the sewage treatment plant will become more complex.Because the project parties have different considerations for their operation and maintenance benefits,and the government lacks a dedicated team to manage it,the government can easily lose control of its operation and maintenance.For the government to implement effective supervision of the operation of the PPP sewage treatment plant,it is necessary to study the characteristics of PPP projects,then combine with the characteristics of the operation and maintenance stage of the sewage treatment plant,analyzing the key points of operation and maintenance management of PPP sewage treatment plants in operation and maintenance stages,to understand the main purpose and significance of the establishment of sewage treatment plants,finding the optimal value of environmental and social benefits,and the balance between business interests and public interests.This paper will combine the nature of PPP project and the characteristics of operation and maintenance stage of sewage treatment plant.Considering the operation efficiency,operation quality,operation energy consumption,pipe network management and social satisfaction indicators from the perspective of the government,and the weight of these indicators will be determined by AHP,and then combining the multi-level extension principle of matter-element analysis method to determine the operation and maintenance performance level of sewage treatment plant,to build a performance evaluation system for the operation and maintenance of sewage treatment plants.Finally set a sewage treatment plant in Fuzhou as an example,using this evaluation system to evaluate its operation effect,and it is found that its operation is in good condition and its operation corresponding to the facts.The result makes the applicability and practicality of the evaluation system be proved,and improved the development of PPP sewage treatment plant operation and maintenance performance evaluation. |
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