Shanghai Hongqiao Airport
It is located in the western suburbs of Shanghai and composed of such three parts as of the main building, subsidiary office occupancy and long corridor. The total roof water catchment area of the main building is 48,000m2, for which 56 sets of systems are adopted. The total roof water catchment area of the subsidiary office occupancy is 6,720m2, for which six sets of systems, 22 YG80A-Type roof drains and 20 YG80B-Type roof drains are adopted. The total roof water catchment area of the long corridor is about 64,000m2, for which 70 sets of systems, in which the RW4 roof system refers to the corresponding RW3 roof system. It adopts 238 YG80A-Type roof drains, six YG100A-Type roof drains and 12 YGS125-Type roof drains.