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&On February 18, 2017, the high tech Zone organized a drill activity related to the resumption of the project after the Spring Festival, which was conducted on the Jiajing Tiancheng project undertaken by the second construction company of the group. More than 300 leaders of safety supervision station, representatives of 80 construction units and supervision units in the high tech Zone participated in the resumption exercise.     This time, we chose to return to work for observation in Jiajing Tiancheng project, because there are many highlights here: first, the operation of car washing equipment plays a key role in dust control and road sanitation on the project site; second, the display of the return to work documents and check lists of the competent departments in spring provides a standardized model for the filling of the return to work inspection data in spring for each project; third The detection of the grounding resistance of the distribution box lays the foundation for the safety of the construction electricity on the project site; fourthly, the inspection of the return to work of the tower crane mechanical equipment eliminates the potential safety hazards of the mechanical equipment and provides the basic guarantee for the smooth return to work in spring; fifthly, the fire emergency drill enables the field personnel to learn the correct use of the fire extinguisher and the correct escape method in the face of the fire , effectively reducing the occurrence of such accidents. In addition, the group machinery construction company also displays and maintains all kinds of bolts of tower crane, pin shaft fasteners, steel structure shape description, electrical circuit maintenance, safety device display and maintenance, wire rope lubrication maintenance, etc.