A wheel loader operator is tasked with managing a large aggregate stockpile. To prevent material segregation and ensure consistent product quality, what is the recommended method for depositing new material onto the stockpile?

Question: A wheel loader operator is tasked with managing a large aggregate stockpile. To prevent material segregation and ensure consistent product quality, what is the recommended method for depositing new material onto the stockpile?

Answer options:

• Dumping all new material at the base of the pile to build it up.
• Spreading new material in thin layers across the entire pile's surface. ✅ Dumping new material as high as possible on the pile to let it roll down.
• Creating multiple mini-stockpiles around the main one.

Correct answer: Dumping new material as high as possible on the pile to let it roll down.

Explanation: To minimize segregation when adding material to a stockpile, new material should be dumped as high as possible on the pile. This allows the material to roll down naturally, remixing and settling to help maintain a more consistent gradation throughout the pile, which is critical for quality control in aggregate production. This is a common practice in aggregate quarries and aligns with CCOHS guidance.