Calculate Rise & Fall, Height of Instrument (HPC) and Reduced Levels for any levelling run. Dubai EGM2008 datum.
| Point | BS | IS | FS | Rise | Fall | RL (m) |
|---|
Enter BS (Backsight) — the first reading taken to a known benchmark or turning point. Enter FS (Foresight) — the last reading before moving the instrument. Enter IS (Intermediate Sight) for intermediate points. The calculator automatically computes Rise & Fall and Reduced Levels in EGM2008 orthometric heights as required by Dubai Municipality. Closure error should be less than ±12√K mm (where K = distance in km) for Class C surveys accepted by DM.
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