目前,我国大部分地区将要进入主汛期,尤其去年多地的降雨量比往年同期有所增强,且降雨范围广、时间长。面对极端天气影响,为了保证施工安全、质量和进度,市政管网工程如何度过雨期变得尤为重要。一、工程施工概况某机场三期扩建工程中的综合管网工程包括供水、中水、雨水、污水、供冷和供热管道工程,管道走向为沿各条道路、直埋于人行道或绿化带内。管道的平均埋设深度分别为1.5m(供水管道)、1.3m(中水管道)、3.6m(雨水管道)、3.0m(污水管道)和1.6m(供冷 At present, most of China will be entering the main flood season. In particular, the rainfall in many places last year has been somewhat enhanced over the same period of previous years with a wide range of rainfall and a long period of time. In the face of extreme weather, in order to ensure the construction safety, quality and progress, how the municipal pipe network project to spend the rainy season has become particularly important. I. Overview of Project Construction The integrated pipeline network in the third phase of the expansion project of the airport includes water supply, medium water, rainwater, sewage, cooling and heating pipeline projects. The pipeline runs along the roads and is directly buried on the sidewalk or green belt Inside. The average buried depth of the pipe is 1.5m (water supply pipe), 1.3m (water pipe), 3.6m (rain water pipe), 3.0m (sewer pipe) and 1.6m