GB/T 28590-2012Classification and code for urban underground facilities (English PDF)

2.1 Urban underground space facilities

Construction in the city below the surface, in order to meet the human social production, life, transportation, environmental protection, energy, security, disaster prevention and reduction, information and communication, etc.

Building construction demand (structures).

2.2 Information and communications facilities underground

Construction in the city below the surface, in order to obtain information, transmission and exchange, processing, control and storage of the main types of underground communications, broadcasting power

Television, traffic signals, road monitoring equipment and facilities and other lines.

2.3 Foundation

Direct contact with the lower part of the foundation for delivering extension loads of structures.

3.1 classification object

The standard classification of objects for urban underground space facilities, including electricity, information and communication, water supply, drainage, gas and other types of underground pipelines

The construction of public facilities and a variety of services, industry, housing, transportation, disaster prevention and reduction and other uses (structures) facilities.

3.2 Sort

Classification of urban underground space facilities of its main functions and the main characteristics of classification.

3.3 Classification

Classification of urban underground space facility with a wire taxonomy.

4.1 Code Structure

Urban Underground Space facility code-level code structure, consisting of three layers, six Arabic numerals, code structure shown in Figure 1. Among them,

The first layer is the "Function code" used to identify the main features of urban underground space facilities; the second layer is the "main feature code", as an upper class "function […]