=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 23-Feb-2001
Sandakan            665/045 RLR(1994) is 10.3m below BM SS1
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 19-Sep-2012
Publication Tidal Observation Records 2010 confirms that the Primary benchmark
remains BM SS1 5.976m above TGZ.