Undertaken by the company head office in Kaifeng DN600 water supply pipe line rehabilitation works interspersed with PE, the pipeline is located in the fast lane of trunk road in Kaifeng City, the South than in the north elevation of about 1m, depth 1.5m-2.5m, pipeline running time is about 20 years, the normal operating pressure for the 0.35Mpa, often circular pipe fracture, interspersed by the two sides decided to use HDPE pipe of this section of pipe repair. Plans to run after the pressure reaches lined 0.5Mpa. I took over this project since early summer, late rain, and now it rains almost every day for a week, which is the smooth progress of construction has greatly influenced. In order to ensure that the project be completed on schedule, we have developed contingency plans for construction during the rainy season, to make adjustments in the construction plan, implemented under the wrong weather conditions when the rafters, the scientific division of labor, delayed due to weather and strive to win back the time, rain can not stop rolling Our staff Kaifeng passion for project construction, the site can be seen everywhere they busy. 
     Billiton and construction work in the scientific management of water supply in Kaifeng City Corporation has been the praise, Kaifeng City Daily, Kaifeng, television and other news media have also been focused on the construction of this report. I have the ability and confidence in quality and efficient completion of this construction task.