水利水电工程启闭机制造安装及验收规范
Specification for manufacture installation and acceptance of hoist in water and hydropower projects
2021-10-26
NB/T 35097.2-2017
水电工程单元工程质量等级评定标准 第2部分：金属结构及启闭机安装工程
Quality Degree Evaluate Standard of Unit Works in Hydropower Projects Part 2: Installation of Hydraulic Steel Structure and Hoists
2017-11-15
NB/T 20580.9-2021
核电厂建设工程概算定额 第9部分:常规岛电气设备安装工程
Budget estimation norm of nuclear power plant construction project works Part 9: Electrical equipment installation engineering for nuclear island