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Canadian Nuclear Laboratories is home to Canada's largest nuclear research facilities, working in clean energy, environmental remediation, and medical isotopes.  Among its core objectives is developing specialized tools to enhance operational safety and efficiency in high-risk environments. 

There is a need to design a device capable of retrieving a metal sample from the interior of a 4.572 m (15 ft) long tube with an internal diameter of 101.6 mm (4 inches). The tube can be oriented either horizontally or vertically. 

Our team solution is to use sections of PVC pipes connected by couplings to put a scraper 7-15ft into a nuclear pipe. The scraper would be attached to a rod that runs through the PVC pipes and any scrapping sample collected would fall into a small box on the end of the PVC pipes under the scraper. To close the lid of the collection box, the user will wind a crank system with a string attached to the lid. The lid will be sealed with magnets. The PVC pipe and couplings will be bought for $30. The collection box and wheels on the exterior will be 3d printed. In total, the project will cost $60-80.