The vessel is registered with the National Board of Boiler and PressureVessel Inspectors, meets requirements of CSD-1 of the ASME Code, and is built to Section IV of the ASME code.
In 1997, the handling of known crack is carried on. On the basis of CVDA 1984 "pressurevessel defects evaluation code" safety evaluation is executed.
1997年，对已知裂纹进行了处理，并根据CVDA—1984“压力容器缺陷评定规范”进行了安全评定。
3
The feasibility and safety of over code openings of pressurevessel covers were proposed through theoretical analyses, and the reliability of the structure was verified by using experiments.