What should be done with large boulders left after excavation that cannot be used as fill?

When considering what to do with large boulders left after excavation that cannot be used as fill, it is important to evaluate the practical and environmentally responsible options available. In this case, the correct approach is to leave them on site, provided that it does not interfere with planned construction or further utilization of the area. This option is often favored in construction and excavation practices, especially if the boulders can be integrated into the landscaping or utilized as natural features that enhance site aesthetics.

Leaving the boulders on site can help to reduce transportation costs and environmental impact associated with hauling them away. It also allows for potential future uses, such as decorative features, erosion control, or wildlife habitats. Depending on the project requirements and site conditions, this method leverages the natural resources available without creating unnecessary waste.

The other alternatives may not align with environmental and safety practices. For example, selling to a recycling center might not be practical if the boulders do not have a market demand. Burying them in a parking lot can create problems later on, such as structural issues or unexpected settlement. Hauling them to a landfill also contributes to waste generation, which can have negative environmental implications. Thus, leaving the boulders on site when appropriate is