Standards

NB/T 20005.9-2024 Active

NB/T 20005.9-2024 Pressurized water nuclear power plant carbon steel and low alloy steel - Part 9: Seamless steel pipes for Class 2 and Class 3 equipment

It is suitable for carbon steel seamless steel pipes with a nominal outer diameter of no more than 711mm and a nominal wall thickness of no more than 60mm, used in Grade 2 and Grade 3 equipment of pressurized water reactor nuclear power plants.

Publish Date: 2024-09-24

NB/T 11668-2024 Active

NB/T 11668-2024 NB/T 11668-2024 Intelligent Dam Construction Technical Guidelines

This guideline applies to the intelligent construction of earth-rock dams and concrete dams in hydropower projects.

Publish Date: 2024-09-24

NB/T 20005.7-2024 Active

NB/T 20005.7-2024 Pressurized water nuclear power plant - Carbon steel and low alloy steel for equipment - Part 7: Steel plates for Class 1, 2, and 3 equipment

It is suitable for Q260HR, Q265HR, Q295HR, and Q355HR steel plates used in Class 1, 2, and 3 equipment with a nominal thickness of no more than 200 mm in pressurized water reactor nuclear power plants.

Publish Date: 2024-09-24

NB/T 11667-2024 Active

NB/T 11667-2024 NB/T 11667-2024 Underwater rock-block blasting design specification

This specification is applicable to the design of underwater rock-block blasting.

Publish Date: 2024-09-24

NB/T 20005.1-2024 Active

NB/T 20005.1-2024 Pressurized water reactor nuclear power plant equipment: Carbon steel and low alloy steel for use in grades 1, 2, and 3, including for forged and rolled components

It is suitable for 20 steel forgings and 14Mn forgings and rolled pieces used in Class 1, 2 and 3 equipment of pressurized water reactor nuclear power plants.

Publish Date: 2024-09-24

NB/T 11564.11-2024 Active

NB/T 11564.11-2024 NB/T 11564.11-2024 Water and electricity engineering information classification and coding Part 11: Construction

This document is applicable to the classification and coding of construction information for hydroelectric power projects.

Publish Date: 2024-09-24

NB/T 20723-2024 Active

NB/T 20723-2024 Nuclear power plant maintenance support operation guidelines

It is suitable for maintenance support operations in nuclear power plants, and other similar nuclear facilities can refer to it for implementation.

Publish Date: 2024-09-24

NB/T 11564.10-2024 Active

NB/T 11564.10-2024 NB/T 11564.10-2024 Hydraulic Engineering Information Classification and Encoding Part 10: Cost coding for hydropower engineering

This document is applicable to the classification and coding of cost information throughout the entire life cycle of hydropower projects, including planning, design, construction, operation, and decommissioning.

Publish Date: 2024-09-24

NB/T 20722-2024 Active

NB/T 20722-2024 Nuclear Safety Class 3 High Density Polyethylene Pipeline Design Specification

It is suitable for buried HDPE pipes used in water-cooling systems such as the important plant water of nuclear power plants, and the overhead HDPE pipes shall be implemented in accordance with the relevant provisions.

Publish Date: 2024-09-24

NB/T 11564.7-2024 Active

NB/T 11564.7-2024 NB/T 11564.7-2024 Water and electricity engineering information classification and coding Part 7: Construction organization design

This document applies to the classification and coding of construction organization design information throughout the entire life cycle of hydropower projects, including planning, design, construction, operation, and decommissioning.

Publish Date: 2024-09-24

NB/T 20010.17-2024 Active

NB/T 20010.17-2024 Pump-to-water nuclear power plant valve Part 17: Remote-operated mechanism

It is suitable for rigid remote transmission mechanisms of manual, electric, or pneumatic valves related to safety in pressurized water reactor nuclear power plants, such as gate valves, shut-off valves, diaphragm valves, ball valves, and butterfly valves. Non-safety-class valve remote transmission mechanisms used in nuclear power plants and other engineering valve remote transmission mechanisms can also be used as a reference.

Publish Date: 2024-09-24

NB/T 11666-2024 Active

NB/T 11666-2024 NB/T 11666-2024 Water and electricity engineering identification system coding standard

This document is applicable to the coding of the identification system for hydropower projects.

Publish Date: 2024-09-24