The paper expounds the content and characteristics of the benefit of water logging resistant engineering, the disaster loss of which is analyzed completely.

Briefly introduced the actuality and existing problem of operation and management of the flood protection and waterlogging harnessing project in Nanning city.

Planning of draining works for Anqing city and analysis of economic benefit

At last itindicates measures to integrate the vertical plan andwaterlog prevention including pre-retaining channel forwater from high altitude outwards to the river, construct-ing flood drainage station at key sites, river systemimprovement, protection for city water surface andswamp.

Waterpower calculation of the culvert gate of the flood control and flood drainage project in Maoming city;