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Construction sites are moving towards using autonomous machines, such as autonomous haulers, to improve productivity and safety. However, enabling efficient and safe navigation of autonomous haulers at an open-pit mining site necessitates a dynamic map of the environment. In our previous works, we introduced a dynamic multi-layered map designed for this purpose. Subsequently, we proposed how to adopt the digital twin standard for manufacturing to implement this map. Yet, the proposed dynamic multi-layered map needs to be validated in real-world scenarios, which are not evident for such off-road domains. This paper presents an analysis of the state-of-practice scenarios used in validating current static maps for a fleet of autonomous haulers performing assigned missions in real-world open-pit mining applications. Drawing from insights from this case study and industrial expertise, this paper suggests validation scenarios for the multi-layer dynamic map. Moreover, the paper discusses simulation tools that could be utilized to assess the feasibility of dynamic maps in such off-road domains at construction sites