This standard is prepared to meet the needs of railway transportation and production, and enable the railway building design to comply with the basic requirements of safety, adaptability, economy and sanitationThis standard is applicable to the building design of new railway projects and railway reconstruction projects.Railway buildings shall be designed based on the principle of economical land use and less or no cultivated land occupation, and shall comply with the requirements of the state on energy conservation and environmental protectionThe railway buildings shall be planned uniformly, centralized moderately and arranged comprehensively.The construction land for the railway buildings shall be planned based on long-term design period. The criteria and scale of building construction shall be determined according to the planning of railway transportation development, local econorny, climate and other local conditions.The new technology and new materials which are mature, reliable, cost-effective, safe and adaptable shall be employed in the design of railway buildings.Railway reconstruction project should be designed by making full use of existing buildings and facilities.The design of railway buildings shall not only comply with the requirements stipulated in this Standard, but also comply with those stipulated in the relevant current standards of the state.