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Weicheng Testing’s 2022 Annual Emergency Response Drill for Radioactive Source Accidents
Release Date:
2022/05/10
Nuclear accidents stem from complacency; nuclear safety stems from vigilance.
Weicheng Testing’s 2022 Annual Emergency Response Drill for Radioactive Source Accidents
In order to further enhance our employees’ understanding of radioactive sources, as well as their ability to respond quickly and appropriately, handle emergencies effectively, and coordinate operations in the event of a sudden radioactive-source incident; to test and improve the collaborative capabilities of command personnel; to clarify the division of responsibilities among departments; to elevate our company’s emergency rescue capabilities so that we can respond swiftly and efficiently to emergencies, minimize the impact of accidents, and verify the scientific soundness, practicality, and operability of our radioactive-source emergency response plan—thereby effectively ensuring the safe use of radioactive sources—we are hereby organizing this radioactive-source accident emergency drill in accordance with Luoyang Weicheng’s annual emergency-drill schedule.
On April 25, the company conducted the 2022 Radiological Source Accident Emergency Drill at the factory. The drill was chaired by Liu Feifei, head of the company’s Engineering Department, and was observed on-site by all employees.
At 4:50 p.m., all employees arrived on time at the designated area of the factory and attentively listened to Manager Liu Feifei’s briefing on radioactive sources and the emergency response plan for radiological incidents. Manager Liu provided on-site explanations, demonstrations, and practical guidance on how to handle each type of radiological emergency that could occur during work. Under the expert supervision and hands-on instruction of qualified personnel, the entire exercise proceeded in an orderly and well-organized manner.
Radioactive source has become detached. - The emergency response team dons protective suits and covers the source with lead shielding, then determines the source’s location based on changes in the alarm threshold readings.
The radioactive source has become detached. -—— The emergency response team is equipped with dosimeters and protective suits, and employs three radiation protection measures—time, distance, and shielding—to minimize individual dose exposure as much as possible, including using lead shields to shield the X-ray tube.
Radioactive source has become detached. - The emergency response team is equipped with dosimeters and protective suits, and uses long-handled pliers to grip the drive wire.
The radioactive source has become detached. - The emergency response team is equipped with dosimeters and protective suits, and promptly places the detached radioactive source into a source storage container.
The radioactive source has become detached. -——The Radiation Technology Team conducted dose monitoring of the source storage tank using a radiation survey meter and confirmed that the radioactive source had been retrieved.
The leading catheter was damaged. —During the operation, improper placement of the source catheter by the operator resulted in external impact on the source catheter, causing it to fracture or become crushed, thereby preventing the radioactive source from being promptly retracted into the source container.
The leading catheter was damaged. — Emergency response personnel shall wear protective equipment, carry radiation detectors, and shield the X-ray tube with lead plates or lead bags (with the radioactive source remaining in the X-ray tube at this time).
The leading catheter was damaged. —Remove the plastic sheet and lay it flat on the ground. Use an angle grinder to cut off the deformed ends of the two conduit sections. First retract the drive wire, then remove the quick-connect fitting and the screws above the connecting claw, and finally place the radioactive source unit on the plastic sheet.
The leading catheter was damaged. —Use pliers to grip the drive wire inside the source delivery tube and advance it into the source container.
The leading catheter was damaged. — Conduct and record on-site dose measurements; emergency response is concluded.
At every step, they handled the procedures flawlessly, and the other employees participating in the drill watched intently. Manager Liu’s insightful briefing and the operators’ professional execution created a vivid, immersive experience for everyone.
Manager Liu patiently explained to everyone the basic knowledge related to radioactive sources and the precautions that must be observed during daily operations.
As the exercise was drawing to a close, participants took advantage of the final moments to share with their colleagues the radiological source emergencies they had encountered in the past or that might potentially occur, jointly analyzing the root causes and exploring response strategies, thereby learning from one another and advancing together.
All the unexpected situations encountered during this exercise are realistic scenarios that we may face in our future work. However, no one adopted a passive or perfunctory attitude simply because it was an exercise; instead, everyone approached it with utmost seriousness. The focus of the exercise was to ensure that each participant understands the correct procedures for handling accidents, with particular emphasis on the key steps: evacuation—reporting—establishing perimeter security—and on-site response. During the response process, the area must be thoroughly cleared to prevent radioactive sources from falling and scattering debris, which could complicate subsequent operations. In safety management, it is better to be over-prepared than under-prepared—better to have resources ready but not need them than to need them and find oneself unprepared. With this, the 2022 Radiological Source Accident Emergency Response Drill conducted by Luoyang Weicheng Engineering Testing Co., Ltd. has been successfully concluded.
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