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If you take a BS of 6.21 at a BM with an Elev. of 94.30 and the next FS is 8.11, what is the Elev. at that point?Write your numerical answer (without units).

Question

If you take a BS of 6.21 at a BM with an Elev. of 94.30 and the next FS is 8.11, what is the Elev. at that point?

Write your numerical answer (without units).

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Solution

To calculate the elevation at the next point, you need to follow these steps:

  1. Start with the elevation of the benchmark (BM), which is 94.30.
  2. Subtract the backsight (BS) reading from the elevation of the BM. This gives you the height of the instrument (HI). So, 94.30 - 6.21 = 88.09. This is the HI.
  3. Now, add the foresight (FS) reading to the HI to get the elevation at the next point. So, 88.09 + 8.11 = 96.20.

So, the elevation at the next point is 96.20.

This problem has been solved

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