1.0.1 This standard is formulated with a view to unifying the technical requirements of railway bridge and culvert construction, guaranteeing engineering quality, and making the railway bridge and culvert construction to be of state-of-art technology, safety and stability and economic feasibility.
1.0.2 This standard is applicable to the construction and acceptance of new and rebuilt railway bridge and culvert works with the standard gauge and the maximal travelling speed of passenger train 140km/h or lower.
1.0.3 The construction of bridge and culvert must comply with the approved design document. In case of the change in design, it shall meet the current requirements on the change in railway design.
1.0.4 Before the construction, the persons concerned shall be organized to conduct the disclosure of construction technologies.
During the construction procedure, the person shall be specially assigned to fill in construction notes and engineering logs.
In the completion, the completion documents shall be prepared complete as required. the summary of construction techniques shall be compiled for grand bridge, large bridge and medium bridge with complicated technology; special technical summary shall be compiled for new structure with complicated technology, new technology and new process.
1.0.5 As for the concealed works, the next-step construction shall be conducted upon the passed examination and transacting license.
1.0.6 Main materials, half-finished product, member, equipment and facilities used in bridge and culvert construction shall meet the related current national standards, and be accompanied with certificate. they shall be applied upon accreditation with sampling test in accordance with the relevant regulations.
1.0.7 Before normal usage, machines, lifting equipments, power equipment, electric lines, wind, water and gas pipeline and other major facilities applied in bridge and culvert construction, shall be completely inspected and tested, and they shall be used upon qualified commissioning. inspection (test) and maintenance shall be conducted often, and verification and calibration shall done regularly.
1.0.8 The construction must meet the guidelines of safety in production, and strictly comply with the operational program and guarantee production safety.
1.0.9 During construction period, the related climatological and hydrologic data shall be acquired in time from local meteorologic and hydrologic station, and the works to prevent flood and other disasters shall be done well.
1.0.10 The construction shall comply with the related national requirements in environmental protection and soil conservation, prohibiting construction spoiling and waste silting and polluting rivers. The drainage, pitching of slope and landscaping shall conducted in time.
1.0.11 For the rebuilding and reparation of existing bridge or culvert or construction of second bridge or culvert, the measures shall be adopted jointly with the related departments, to reduce the mutual interference of construction and transportation. The temporary travelling interrupt or speed governing, if it must be conducted, shall comply with the relevant regulations in "Regulations of Railway Technical Operation".
1.0.12 The construction spanning river course, railway and highway shall comply with the national requirements and the agreements signed by the design department and all departments concerned.
1.0.13 Verification system shall be conducted in the survey works, and it shall meet the requirements of the current standards "Code for new railway engineering survey" and "Technical regulations for existing railway engineering survey".
1.0.14 Besides the provisions of this standard, the construction of railway bridge and culvert shall comply with the provisions of the related current national compulsory standards.
