Foreword 1
1 Scope 1
2 Normative References 2
3 Terms 4
4 General 9
5 General Provisions 11
5.1 Safety Protection on the Construction Site 11
5.2 Power Supply and Illumination on the Construction Site 12
5.3 Fire Protection on the Construction Site 15
5.4 Operation in Galleries and Cavems 15
5.5 Bottom-level Operation 16
5.6 Welding and Cutting 17
5.7 Hoisting and Transportation 17
5.8 Requirements on Safety of Operating Personnel 18
6 Fabrication of Metal Structures 21
6.1 Plant Layout 21
6.2 Fabrieation of Steel Gate and its Embedded Parts 23
6.3 Fabrication of Steel Pipe 27
6.4 Non-destructive Flaw Detection 29
6.5 Painting 31
6.6 Transportation and Storage of Products 32
7 Installation of Gates 33
7.1 Preassembly of Gate and Embedded Parts 33
7.2 Hoisting and Conveyance of Gate 36
7.3 Installation of Embedded Parts of Gates 40
7.4 Installation of Plane Gate 41
7.5 Installation of Radial Gate 43
7.6 Installation of Miter Gate 45
7.7 Site Painting 49
7.8 Test and Commissioning of Gate 49
8 Installation of Headstock Gears 52
8.1 Basic Requirements 52
8.2 Installation of Fixed Headstock Gear 53
8.3 Installation of Traveling(Gate)Headstock Gear 56
8.4 Installation of bridge headstock gear 62
8.5 Debugging,Running and Maintenance of Headstock Gears 64
9 Installation of Ship Lift 66
9.1 Basic Requirements 66
9.2 Installation of Embedded Parts 67
9.3 Installation of Lifting Equipment 67
9.4 Installation of Counterbalance System 68
9.5 Installation of Ship Chamber 69
9.6 Installation of Equipments in Ship Chamber 70
9.7 Debugging and Running of ShipLift 71
10 Installation of Steel Pipes for Water Diversion 73
10.1 Basic Requirements 73
10.2 Transportation of Steel Pipes 73
10.3 Hoisting and Assembly of Steel Pipes 76
10.4 Welding of Steel Pipes 78
10.5 Field Anti-corrosion Painting for Welding Seams of Steel Pipes 81
10.6 Removal of Internal Support for Steel Pipes 81
10.7 Hydraulic Test for Steel Pipes 82
11 Installation of Other Metal Structures 84
11.1 Installation of Steel Network Frame 84
11.2 Installation of Steel Structure for Delivery Line System 86
11.3 Installation of Steel Trestle Bridge 87
12 Scaffold and Platform for Construction 89
12.1 Erection of Scaffold for Construction 89
12.2 Erection of Mobile Operating Platform and Overhanging Platform 92
12.3 Use and Maintenance of Construction Scaffold and Platform 93
12.4 Rernoval of Construction Scaffold 94
13 Metallic Painting for Anti-corrosion 96
13.1 Material Storage 96
13.2 Location Arrangement for Painting Operation 96
13.3 Sand Blasting for Descaling 98
13.4 Coating Spraying 98
13.5 Metallic Thermal Spray 99
14 Installation of Hydraulic Turbine 102
14.1 Cleaning and Assembly 102
14.2 Installation of Embedded Parts 104
14.3 Installation of Distributor 107
14.4 Assembly of Runner and Coupling 109
14.5 Hoisting and Installation of Runner 112
14.6 Pilot Bearing and Sealing Device 113
14.7 Installation of Servomotor 115
14.8 Installation of Inlet Valve 116
15 Installation of Generator 118
15.1 Base Embedment 118
15.2 Installation of Stator 118
15.3 Installation of Generator Frame 124
15.4 Installation of Rotor 125
15.5 Hoisting of Main Parts 131
15.6 Grinding and Scrapping of Bearing Pad 133
15.7 Installation of Thrust Bearing and Guide Bearing 134
15.8 Test and Installation of Damper Brake 136
15.9 Unit Axis Adjustment and Unit Internal Operation 136
15.10 Overall Cleaning and Spray Painting of the Unit 138
16 Installation of Auxiliary Equipments 140
16.1 Installation of Speed Regulating System 140
16.2 Installation of Equipments for Gas Supply and Gas Release System 144
16.3 Installation of Equipments for Oil Supply and Discharge System 146
16.4 Installation of Equipments for Water Supply and Drainage System 147
16.5 Installation of Equipments for Heating and Ventilation System 149
16.6 Installation of Equipments for Fire Fighting System 151
16.7 Installation of Pipelines 152
17 Installation of Electric Equipments 157
17.1 Installation of Main Transformer and Reactor with Oil 157
17.2 Installation of Frame and Iron Tower 163
17.3 Installation of High-voltage Switch 164
17.4 Installation of Bus Bar 165
17.5 Installation of Switching Station Equipment 167
17.6 Installation of Plant Power System and Equipment 170
17.7 Installation of Cables 173
17.8 Electric Test 176
17.9 Test for Grounding System of the Mhole Plant 177
18 Startup and Commissioning of Hydroelectric Generating Unit 179
18.1 Pre-water-filling Test 179
18.2 Water Filling Test 182
18.3 Operation without Load 183
18.4 Operation with Load 184
19 Installation of Bridge Crane 186
19.1 Cleaning and Assembly 186
19.2 Installation and Adjustment of Rails and Slide-Wires 186
19.3 Installation and Commissioning of Structural,Mechanical and Electrical Equipment 187
19.4 Load Test 190
19.5 Use and Maintenance 192
20 Construction Machines and Special Tools 194
20.1 Electric Tools 194
20.2 Pneumatic Tool 197
20.3 Bolt Stretcher 197
20.4 Hoisting Tools 198
20.5 Wire Crimper 202
20.6 Jack 202
20.7 Special Tools for the Installation of Hydroelectric Generating Unit 204
20.8 Special Tools for the Unit Hoisting 207