What action may a contractor take if the stone wheel roller malfunctions?

The possibility of continuing paving operations if satisfactory compaction is achieved reflects the understanding that while equipment malfunctions can hinder progress, the performance of the work ultimately relies on achieving the required specifications. If the stone wheel roller is not functioning but the compaction level is still meeting project requirements, it may be feasible to proceed with paving as long as quality is not compromised.

In a construction context, maintaining efficiency while ensuring quality is crucial. If other methods are still delivering the necessary results, the project can move forward without needing to halt operations entirely. This choice emphasizes practical problem-solving on the job site, where decisions may need to balance equipment functionality with project demands.

The other options involve more disruptive measures. Stopping all work immediately may lead to unnecessary delays and increased costs if the issues can be managed without halting operations. Switching to a different type of roller might not be practical if the current method is still effective, as it could involve additional setup time or adjustments. Notifying the engineer is essential for addressing the malfunction but does not directly pertain to the immediate action regarding operations; it is more about communication and ensuring safety and compliance moving forward. Thus, the focus on continuing operations under specific conditions is a practical and efficient choice in a construction scenario.