The Institute of Container Lessors (IICL) has developed a new toolkit for measuring roof dents and bows.
The IICL is a trade association with members including, Beacon, CAI, Direct ChassisLink, FlexiVan, SeaCube, Textainer, Touax, TRAC Intermodal, and Triton International Limited. It publishes industry standards and best practices, including guides on container inspection and repair.
According to the IICL guide for container equipment inspection, the roof of a container should repaired if it shows a bend, bow or dent that is more than 50mm in any direction. The common test for this is to measure the internal dimension of the roof to see if it is reduced by more than 50mm at any point.
The IICL explained: “The IICL determined the proper methodology to measure roof panel damages using the top side rails as reference and conducting the measurement from inside the container. While the method provides accurate results, it requires surveyors to carry a small stepladder or stool to allow the positioning of the reference line on the top rails, especially on high cube containers.”
The new toolkit and procedure developed by the IICL aims to make the inspection easier. This includes a string line that is fixed between the walls at the top rail, with telescoping rods on magnets. The line can be wound around the rods to adjust the length of the string line as required, and establishes a reference point. With the reference point set, a special tool measures deflection in both directions, and indicates a simple pass/no pass of the deflection test.
“The roof inspection kit designed and developed by the IICL makes the inspection process fast and easy. It takes less than a minute to determine if a roof panel requires repairs based on IICL standards,” stated the IICL.
Luiz Goncalves, the IICL’s director of technical services, added: “While the methodology required by the IICL to measure roof panel damages were accurate they were not very practical for surveyors in the field. The new tool has made the process effortless and straightforward.”