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Levelling Calculator

Quick differential levelling — Rise & Fall or Height of Plane of Collimation (HPC) reduction

RDM 1.1 (2025) Table 5.1  |  Survey Act Cap 299  |  Survey Regulations 1994

Level Book — Rise & Fall
StationBS (m)FS (m)Rise (m)Fall (m)RL (m)
BM100.0000100.0000100.0000
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