This standard specifies dimensions, terminology and codes of three-dimensional reference system, driver's compartment and passenger compartment in a bus.
The terms stated in this standard are applicable to all kinds of buses .
This standard does not cover the terms and dimensional requirements on electric apparatus, light fitting, instrument, indicators, signal devices and others used in driver's compartment.
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 whose enter into agreement according to this Standard are encouraged to research whether the latest editions hereof are applied or not. For undated references, the latest edition of the normative document referred to applies.
GB/T 15089 Classification of power-driven vehicles and trailers
GB/T 15759 Design and requirements for the templates of human body
3 Terms, codes and dimensions
3.1 For purpose of this standard, the terms specified in GB/T 15089 and the requirements of GB/T 15759 on Class 3 model apply.
3.2 This standard defines the codes for all terms and dimensions. Term code is consisted of representative letters of term name; dimension code is consisted of letters and digits, letters indicating dimension category and digits indicating the number of the dimension. The corresponding relationships of dimension category and letters are as follows:
L——Length, perpendicular to zero X plane;
GB/T15089 机动车辆及挂车分类
GB/T15759 人体模板设计和使用要求
GB/T 13053-2008 The following standards are cited：
