Revised Local Reference (RLR) Diagram for AVONMOUTH

Station ID: 257

RLR diagram based on the information in the datum section below

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Datum information

Add 0.089m to data values 1986-1989 to refer to RLR
Add 0.089m to data values 1990-1991 to refer to RLR
Add 0.089m to data values for 1991 to refer to RLR
Add 0.089m to data values for 1992 to refer to RLR
Add 0.089m to data values for 1992 to refer to RLR
Add 0.089m to data values 1992-2000 to refer to RLR
RLR is 15.800m below primary benchmark ST 5057 7881