1. **Problem Statement:** You need to measure the excavation volume for a trench to receive a ground beam. The trench length is $17.5$ m, and the maximum depth is $1.00$ m. 2. **Assumptions:** - The trench width is not given, so assume a typical width $w$ (in meters). - The volume of excavation $V$ is calculated as: $$V = \text{length} \times \text{width} \times \text{depth}$$ 3. **Step-by-step Measurement:** - Length $L = 17.5$ m - Depth $D = 1.00$ m - Width $W = w$ m (to be measured or assumed) 4. **Calculate Volume:** $$V = 17.5 \times w \times 1.00 = 17.5w \text{ cubic meters}$$ 5. **Taking Off List:** - Measure or specify the trench width $w$. - Calculate volume using the formula above. - Account for deposit of excavated material on site. 6. **Summary:** To measure the excavation quantity, multiply trench length $17.5$ m by trench width and depth $1.00$ m. If you provide the trench width, I can help calculate the exact volume.