Cost-benefit analysis of project with mode of collecting water from middle layer of water body by culvert pipelinet
- VernacularTitle:电灌站涵管式中层取水防螺工程费用-效益分析
- Author:
Yuejin WANG
;
Nong CHAO
;
Tao ZHU
;
Zhijian WANG
- Publication Type:Journal Article
- Keywords:
Collecting water from middle layer;
Oncomelania hupensis;
Cost-benefit
- From:
Chinese Journal of Schistosomiasis Control
1991;0(05):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To evaluate the cost-benefit of the project with the mode of collecting water from middle layer of water body by the culvert pipelinet.Methods The cost-benefit analysis was carried out by the way of benefit-cost ratio for the project with the mode of collecting water from middle layer of water body by the culvert pipelinet without indirect cost and indirect benefit,and according to the price of 2005.Results The direct costs was 34 thousand yuans in the project with the mode of collecting water from middle layer of water body by the culvert pipelinet.The saved costs of prevention and treatment were 1011 thousand yuans,the net benefit was 977 thousand yuans and the net benefit-cost ratio was 28.7∶1 following the project implemented.Conclusion The investment is small but the benefit is high in the project of collecting water from middle layer of water body by the culvert pipelinet.The technique has the notable worthiness of applications.
