NB/T 11918-2025 Active

NB/T 11918-2025 Pumping Hydro Storage Power Station Operating Design Guidelines

This guideline is applicable to the dispatch and operation design of pumped storage power stations.

Publish Date: 2025-12-18

NB/T 11919-2025 Active

NB/T 11919-2025 Design specifications for concrete seepage wall in hydropower engineering

This standard applies to the design of concrete anti-seepage walls for new, renovated, and expanded hydropower projects.

Publish Date: 2025-12-18

NB/T 11920-2025 Active

NB/T 11920-2025 Assessment Technical Specification for Effectiveness of Water-Electric Engineering Layered Water Extraction Measures

This procedure is applicable to the evaluation of the effectiveness of stratified water intake measures in hydropower projects.

Publish Date: 2025-12-18

NB/T 11921-2025 Active

NB/T 11921-2025 Technical Guidelines for Environmental Impact Assessment of the Decommissioning of Hydropower Projects

This guideline is applicable to the environmental impact assessment of the decommissioning of hydropower projects.

Publish Date: 2025-12-18

NB/T 11922-2025 Active

NB/T 11922-2025 Fish protection equipment for hydropower projects: Basic technical requirements

This document is applicable to the research, design, production, and use of fish protection equipment for hydropower projects.

Publish Date: 2025-12-18

NB/T 11923-2025 Active

NB/T 11923-2025 Intelligent Design Guidelines for Hydropower Plant

This guideline is applicable to the intelligent design of hydroelectric power plants.

Publish Date: 2025-12-18

NB/T 11924-2025 Active

NB/T 11924-2025 Guidelines for finite element numerical analysis of hydropower engineering metallic structures

This document is applicable to the finite element numerical analysis of metal structures such as steel gates, gate operators, sediment removal machines, and ship lifts in hydropower projects. Other metal structures can be used as reference for this analysis.

Publish Date: 2025-12-18

NB/T 11925-2025 Active

NB/T 11925-2025 Biogas engineering process design guidelines

This guideline is applicable to the engineering process design for the production of biogas from urban and rural organic waste as raw materials, through anaerobic fermentation and purification.

Publish Date: 2025-12-18

NB/T 11926-2025 Active

NB/T 11926-2025 Guidelines for Preparing Investment Estimates for Biogas Engineering Projects

This document is applicable to the preparation of investment estimates for biogas projects. The preparation of investment estimates for large-scale biogas projects can be carried out with reference to this document.

Publish Date: 2025-12-18

NB/T 11927-2025 Active

NB/T 11927-2025 Calculation Method for Greenhouse Gas Emission Reduction of Biogas Projects

This document is applicable to the calculation of greenhouse gas emissions reductions for biogas projects that primarily use crop straw and livestock and poultry manure as raw materials.

Publish Date: 2025-12-18

NB/T 11928-2025 Active

NB/T 11928-2025 Water and electricity construction machinery unit hour fee standard

This document is applicable to the preparation of preliminary cost documents for large and medium-sized hydropower projects built domestically. Other hydropower projects may refer to it for implementation.

Publish Date: 2025-12-18

NB/T 11929-2025 Active

NB/T 11929-2025 Preliminary Estimate and Quota for Hydropower Equipment Installation Projects

This document is applicable to the preparation of preliminary cost estimates for large and medium-sized hydropower projects built in China. Other projects may refer to it for implementation.

Publish Date: 2025-12-18