Water consumption index is a basis for planning and construction of urban water supply and drainage projects and it is very important to set the proper standard for water consumption.
用水量指标是城市给排水工程规划建设的基础,合理确定用水量标准十分重要。
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The city rain flux is the design foundation of city rain drainage pipeline, the standard according to outdoors drainage criterion (GBJ14-87).
The article introduces and analyzes the waterlogging reason in the old city area of Nanchang city, prepares the urban drainage planning and studies the design standard.