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      Mark Details (GOLA last updated on 14-Jul-2025)
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    SSM     FREMANTLE 68
    Alternate names : Map ref.: FREMANTLE BG34 2.3
    APREF/NGCA codes: Database number : 103407
    Stamp name:      FRE68 Date established :   01/10/1972
    Physical status : located (Developed) Phys. status date :  28/03/2025
    Physical type :    brass plaqueHatch cover type : metal
    Mark set in :        concreteAccess type : 2 wheel drive
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 32 04 24.47828Easting (m) :   383742.353
    Longitude :  E 115 46 05.65401Northing (m) :  6450757.440
    Convergence :       -0 39 14.93
    Point scale factor : 0.99976668
    Coordinate date :       31/03/2021
    Horizontal method :   Geodetic-TerrestrialCadastral connection : Exists
    Relative horiz. accuracy :       20ppm ** Estimated relative uncertainty to adjacent marks
    Positional uncertainty (m) : 0.023 (95% Confidence level)
    Error Ellipse
    Semi-major axis (m) : 0.025
    Semi-minor axis (m) : 0.020
    Azimuth of semi-major axis (m) : 116 42 47
    ** Projection coordinates are calculated from the geographical coordinates detailed above
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   45427.407
    Northing (m) :  350003.398
    Convergence :       -0 1 32.58
    Point scale factor : 0.99999932
    Height Information
    Vertical datum :   AHD71Height type :          Orthometric
    Height (m) :         13.457Height date :          04/05/2000
    Established by :  Dept of Land Admin.State :                    Final
    Vertical method : Spirit LevellingVertical accuracy : 12rootK
    Derived GDA2020 ellipsoidal height (m) : -19.422N-Value (m) :          -32.879
    Geoid model :         AusGeoid2020
    ** Derived GDA2020 ellipsoidal height: h = H + N Interpolation :         Bi-Cubic
    Mark to hatch cover :  
    Mark to ground level : 
    RM Info** Warning: RM azimuths and coordinates are unverified
    ** Azimuth, distance and height difference are relative to main mark
    RM1 Phys. status : located (McMullen Nolan Group) Date :   29/03/2023
    Phys. type :    spikeSet in : concrete
    Azimuth :           311 43 59Type :   True azimuth
    Distance (m) :    4.500Type :   Horizontal
    Height diff. (m) : NoneType :   
    RM to GL (m) :   None
    RM2 Phys. status : not located (Vision Surveys) Date :   17/09/2022
    Phys. type :    spikeSet in : concrete
    Azimuth :           84 5 52Type :   True azimuth
    Distance (m) :    4.980Type :   Horizontal
    Height diff. (m) : NoneType :   
    RM to GL (m) :   None
    RM3 Phys. status : located (McMullen Nolan Group) Date :   29/03/2023
    Phys. type :    spikeSet in : concrete
    Azimuth :           183 33 59Type :   True azimuth
    Distance (m) :    8.045Type :   Horizontal
    Height diff. (m) : NoneType :   
    RM to GL (m) :   None
    RM Position Information** Warning: RM coordinates should be verified prior to use
    ** Coordinates are calculated from reference observations
    ** Coordinate accuracies commensurate with related observations
    RM1
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 32 04 24.38103Easting (m) :   383738.961
    Longitude :  E 115 46 05.52597Northing (m) :  6450760.397
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   45424.047
    Northing (m) :  350006.392
    Height Information
    Vertical datum :   
    Height (m) :         No height available
    RM2
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 32 04 24.46165Easting (m) :   383747.299
    Longitude :  E 115 46 05.84288Northing (m) :  6450758.009
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   45432.360
    Northing (m) :  350003.912
    Height Information
    Vertical datum :   
    Height (m) :         No height available
    RM3
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 32 04 24.73896Easting (m) :   383741.944
    Longitude :  E 115 46 05.63493Northing (m) :  6450749.408
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   45426.910
    Northing (m) :  349995.368
    Height Information
    Vertical datum :   
    Height (m) :         No height available
    Cadastral Connection Fieldbooks
    DOLA 86069
    DOLA 87816
    E.M.BROWNE 78
    LG 103418
    LG 103531
    LG 118794
    LG 143540
    LG 151956
    LG 156288
    LG 156695
    LG 160928
    LG 164670
    Special Notes
    No Special Notes for this mark
    ATRF 2014
    GDA2020 coordinates are equivalent to ATRF2014@2020.0. ATRF2014 coordinates can be determined by application of the Australian Plate Motion Model. For general and technical information on GDA2020 see http://www.icsm.gov.au/gda2020 and ATRF2014 see http://www.icsm.gov.au/australian-terrestrial-reference-frame.
    View the graphic summary
    SSM     FREMANTLE 68
    Alternate names : Map ref.: FREMANTLE BG34 2.3
    APREF/NGCA codes: Database number : 103407
    Stamp name:      FRE68 Date established :   01/10/1972
    Physical status : located (Developed) Phys. status date :  28/03/2025
    Physical type :    brass plaqueHatch cover type : metal
    Mark set in :        concreteAccess type : 2 wheel drive
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 32 04 24.52689Easting (m) :   383741.346
    Longitude :  E 115 46 05.61496Northing (m) :  6450755.932
    Convergence :       -0 39 14.95
    Point scale factor : 0.99976668
    Coordinate date :       09/10/2000
    Horizontal method :   Geodetic-TerrestrialCadastral connection : Exists
    Relative horiz. accuracy :       20ppm ** Estimated relative uncertainty to adjacent marks
    Positional uncertainty (m) : 0.017 (95% Confidence level)
    Error Ellipse
    Semi-major axis (m) : 0.019
    Semi-minor axis (m) : 0.013
    Azimuth of semi-major axis (m) : 124 0 0
    ** Projection coordinates are calculated from the geographical coordinates detailed above
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   45426.383
    Northing (m) :  250001.900
    Convergence :       -0 1 32.60
    Point scale factor : 0.99999932
    Height Information
    Vertical datum :   AHD71Height type :          Orthometric
    Height (m) :         13.457Height date :          04/05/2000
    Established by :  Dept of Land Admin.State :                    Final
    Vertical method : Spirit LevellingVertical accuracy : 12rootK
    Derived GDA94 ellipsoidal height (m) : -19.368N-Value (m) :          -32.825
    Geoid model :         AUSGeoid09 V1.01
    ** Derived GDA94 ellipsoidal height: h = H + N Interpolation :         Bi-Cubic
    Mark to hatch cover :  
    Mark to ground level : 
    RM Info** Warning: RM azimuths and coordinates are unverified
    ** Azimuth, distance and height difference are relative to main mark
    RM1 Phys. status : located (McMullen Nolan Group) Date :   29/03/2023
    Phys. type :    spikeSet in : concrete
    Azimuth :           311 43 59Type :   True azimuth
    Distance (m) :    4.500Type :   Horizontal
    Height diff. (m) : NoneType :   
    RM to GL (m) :   None
    RM2 Phys. status : not located (Vision Surveys) Date :   17/09/2022
    Phys. type :    spikeSet in : concrete
    Azimuth :           84 5 52Type :   True azimuth
    Distance (m) :    4.980Type :   Horizontal
    Height diff. (m) : NoneType :   
    RM to GL (m) :   None
    RM3 Phys. status : located (McMullen Nolan Group) Date :   29/03/2023
    Phys. type :    spikeSet in : concrete
    Azimuth :           183 33 59Type :   True azimuth
    Distance (m) :    8.045Type :   Horizontal
    Height diff. (m) : NoneType :   
    RM to GL (m) :   None
    RM Position Information** Warning: RM coordinates should be verified prior to use
    ** Coordinates are calculated from reference observations
    ** Coordinate accuracies commensurate with related observations
    RM1
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 32 04 24.42964Easting (m) :   383737.954
    Longitude :  E 115 46 05.48692Northing (m) :  6450758.888
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   45423.024
    Northing (m) :  250004.894
    Height Information
    Vertical datum :   
    Height (m) :         No height available
    RM2
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 32 04 24.51026Easting (m) :   383746.292
    Longitude :  E 115 46 05.80383Northing (m) :  6450756.500
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   45431.337
    Northing (m) :  250002.415
    Height Information
    Vertical datum :   
    Height (m) :         No height available
    RM3
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 32 04 24.78757Easting (m) :   383740.937
    Longitude :  E 115 46 05.59588Northing (m) :  6450747.899
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   45425.886
    Northing (m) :  249993.871
    Height Information
    Vertical datum :   
    Height (m) :         No height available
    Cadastral Connection Fieldbooks
    DOLA 86069
    DOLA 87816
    E.M.BROWNE 78
    LG 103418
    LG 103531
    LG 118794
    LG 143540
    LG 151956
    LG 156288
    LG 156695
    LG 160928
    LG 164670
    Special Notes
    No Special Notes for this mark