In order to ensure the construction quality in the sprint phase of this project, the third quality training and examination was carried out on January 7^th, which was organized by the quality department of UNF project,. This training was conducted for pipeline construction team headers, technicians and quality inspectors, and combined with the design documents and common quality problems in the field of the tracing pipe construction. the three phases of training on the construction quality of heat-tracing pipeline has completed since December 13^th, 2019, with 81 people participating in the training, including all the construction personnel of heat-tracing pipeline.