Revised Local Reference (RLR) Diagram for SEMBAWANG

Station ID: 724

RLR diagram based on the information in the datum section below

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Datum information

Add 5.008m to data -1985 to refer to RLR (1955)
Add 4.977m to data 1986- to refer to RLR(1955)
RLR (1955) is 9.9m below BM PLBM 270
BM PLBM 270 is the same as 'Cut Mark'