1 Scope
This standard specifies the design principles and the construction standards for the hydraulic structures.
This standard is applicable to the design of constructed or extended condensing fossil fuel power plant where the steam turbine generator unit capacity is Class 125MW~600MW.
This standard is applicable to the design of constructed or extended power plant. The design of other capacity of power plant or renovated engineering may make reference to this standard.
2 Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.
Contents
Foreword i
1 Scope
2 Normative References
3 General Provisions
4 Water Source, Water Quantity, Water Quality and Water Management
4.1 Water Source
4.2 Water Quantity and Water Quality
4.3 Water Management
5 Water Supply System and Hydraulic Structure Layout
5.1 General Requirements of Water Supply System
5.2 Optimization Calculation of Water Supply System
5.3 Industrial Water and Make-Up Water System
5.4 Hydraulic Structure Layout
6 Surface Water Intake Structure and Pump House
6.1 General Requirements
6.2 Layout
6.3 Selection of Accessory Equipment
6.4 Hydraulic Power
6.5 Building Structure
7 Underground Water Intake Structure and Booster Pump House
7.1 General Requirements
7.2 Pipe Well
7.3 Large Open Well
7.4 Infiltration Gallery
7.5 Spring Chamber
7.6 Booster Pump House
8 Water Pipe, Trench and Channel
8.1 Selection and Arrangement of Pipe and Trench
8.2 Hydraulic Calculation for Pipe and Trench
8.3 Reinforced-concrete Pipe and Trench, and Ancillary Building
8.4 Underground Steel Pipe
8.5 Jacking-pipe of Steel Pipe
8.6 Shield Tunnel
8.7 Channel and Channel Building
8.8 Water Hammer Calculation and Protective Measure
9 Cooling tower
9.1 Basic Requirement
9.2 Thermal Force, Aerodynamic Force and Hydraulic Calculation
9.3 Basic Requirement of the structural Design and Material for Cooling Tower
9.4 Load and Calculation for Natural Draft Cooling Tower
9.5 Calculation for the Load and Internal Force of Mechanical Draft Cooling Tower
9.6 Water Spraying Device Frame
9.7 Construction Requirements
9.8 Air-cooling System Design
10 Water Surface Cooling
10.1 General Requirements
10.2 Cooling Pond
10.3 Watercourse Cooling
10.4 Gulf Cooling
11 Domestic Water
11.1 General Requirements
11.2 Domestic Pump House
11.3 Water Conveyance and Distribution
12 Water Supply Treatment
12.1 General Requirements
12.2 Water supply treatment system
13 Drainage
13.1 Domestic Sewage Quantity, Production Waste Water Quantity and Rain Water Quantity
13.2 Drainage System
13.3 Drainage Pipe Channels and Ancillary Buildings
13.4 Drainage Pumping Station
14 Sewage Treatment and Utilization
14.1 General Requirements
14.2 Sewage treatment
14.3 Treatment of Waste Water Containing Coal
14.4 Centralized production waste water treatment
15 Building Water Supply and Drainage
16 Extraneous Waterpower Ash Removal Pipe and Trench As Well As Ash Water Recycle Pipe
16.1 General Requirements
16.2 Cinder pipeline
16.3 Ash Water Recycle System
16.4 Buttress and Bracket
16.5 Gravity Flow Cinder Trench
17 Ash Storage Yard
17.1 General Requirements
17.2 Dam Body or Dike of Wet Ash Storage Yard
17.3 Drainage and Flood Discharge Structures In Wet Ash Storage Yard
17.4 Dry Ash Storage Yard
17.5 Ash Yard Engineering Management Design
Appendix A
(Informative) Yearly Depreciation of Supply Equipments and Hydraulic Structures
Appendix B (Normative) Adjustment Table for Precautionary Intensity of Seismic Measures for the Hydraulic Structures
Appendix C (Normative) Standards for Drinking Water Quality
Appendix D (Normative) Water Quality Standard for Domestic Miscellaneous Water
Appendix E (Normative) Minimum Net Level Distance between Underground Pipelines
Appendix F (Informative) The Determination of Geometric Dimension and Hydraulic Calculation for Siphon Wells
Appendix G (Informative) Recommended Values and the Formulae for Local Loss Coefficients, Adjacent Effect Coefficients of Combined Bent Pipes
Appendix H (Normative) Minimum Structure Thickness of Underground Steel Pipe (Steel Q235) Wall
Appendix I (Normative) Anticorrosive Grade Selection of Steel Pipes
Appendix J (Informative) Empirical Value of Unit Penetration Resistance qA of Soil
Appendix K (Normative) Value of the Design Air Temperature of the Inner Wall of Ventilating Pipe in Natural Draft Cooling Tower
Appendix L (Informative) Calculation Method for Equivalent Static Load of Fan And Motor in Mechanical Draft Cooling Tower
Appendix M (Informative) Common Type of the Expansion Joint (Flexible Joint) of Reinforced Concrete Pipe Trench
