1.0.1 The design of the substation general plan shall comprehensively implement the national project construction guidelines and policies and observe design principles and technical specifications stated herein. The design shall adapt the national situation and meet targets of the state-of-the-art technology and safety production, to obtain notable overall economic benefits.
1.0.2 This Code is applicable to the design of newly-built and extended 110-500kV substations.
1.0.3 The design of the substation general plan shall save land, rationally utilize terrain according to local conditions and decrease the site grading quantities and the relocation of facilities like buildings and structures. The design proposal shall be optimized after the technical comparison and argumentation.
1.0.4 This Code has been established guided by the principles stated in Code for Design of General Plan of Industrial Enterprises (GB50187-93). The design of substation general plan shall be in accordance with this Code as well as provisions stated in current concerned national and industrials standards.
Substations constructed in special natural conditions, like the seismic areas, the collapsible loess region, the swelling soil region, soft ground, water congealed ground areas, shall meet provisions in the related national standards.
Preface 3
1. General Provisions 5
2. General Planning 5
3. General Layout 6
3.1 General Provisions 6
3.2 Main Buildings and Structures 7
3.3 Auxiliary and Outbuildings 8
3.4 Fences and Passageways 9
3.5 Spacing of Buildings and Structures 9
4. Vertical Layout 12
4.1 General Provisions 12
4.2 Determination of Design Elevation 13
4.3 Step Allocation 14
4.4 Site Drainage 18
4.5 Earthwork/Stonework 19
5. Arrangement of Pipe and Trench 21
5.1 General Provision 21
5.2 Underground Pipeline 22
5.3 Overhead Pipeline 25
5.4 Groove 26
6. Road 27
6.1 General Provisions 27
6.2 Substation-entrance Road 28
6.3 Roads in Substation 29
7. Treatment and Landscaping of Power Distribution Unit Site 30
7.1 Treatment of Power Distribution Unit Site 30
7.2 Landscaping 30
8. Technical and Economic Indices 31
Annex A Explanations of Terms in This Code 34
List of Compiling Unit, Participating Unit and Rapporteur 35
