underground waterproofing works 地下防水工程
waterproofing protective works 防水防护工程
Many problems exist in after service period system for waterproofing works. At present the system can not meet the urgent needs for improving quality of waterproofing works any more.
防水工程的保修期制度存在诸多问题，已不能适应当前提高防水工程质量的迫切要求。
The waterproofing of underground works of Wanjie Proton Building is graded as A and double waterproofing i. e. structural self -waterproofing plus waterproof courses, is designed.
万杰质子楼地下工程防水等级为一级，设计采用结构自防水和设置防水层的复合防水构造。
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