Carpenter Red Seal Exam Prep · Question
During a site survey for a new commercial building, the surveyor establishes a site benchmark (BM) with an elevation of 100.000 m. If the top of the foundation wall is specified to be at elevation 101.350 m, what is the required difference in height from the benchmark to the top of the foundation wall?
The required difference in height is found by subtracting the benchmark elevation from the target elevation: 101.350 m - 100.000 m = 1.350 m. This dictates the
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Question: During a site survey for a new commercial building, the surveyor establishes a site benchmark (BM) with an elevation of 100.000 m. If the top of the foundation wall is specified to be at elevation 101.350 m, what is the required difference in height from the benchmark to the top of the foundation wall?
Answer options: ✅ 1.350 m
- 0.350 m
- 101.350 m
- 201.350 m
Correct answer: 1.350 m
Explanation: The required difference in height is found by subtracting the benchmark elevation from the target elevation: 101.350 m - 100.000 m = 1.350 m. This dictates the setup for surveying instruments.
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