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    SSM     CANNINGVALE 16
    Alternate names : Map ref.: CANNINGVALE BG34 4.2
    APREF/NGCA codes: Database number : 105756
    Stamp name:      CVAL16 Date established :   01/10/1977
    Physical status : destroyed (Automated Surveys Pty. )Phys. status date :  16/08/2008
    Physical type :    brass plaqueHatch cover type : concrete
    Mark set in :        concreteAccess type : 2 wheel drive
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 32 06 34.67767Easting (m) :   400099.532
    Longitude :  E 115 56 28.02085Northing (m) :  6446921.530
    Convergence :       -0 33 46.39
    Point scale factor : 0.99972308
    Coordinate date :       13/09/2018
    Horizontal method :   GNSS Survey NetworkCadastral connection : Exists
    Relative horiz. accuracy :       60ppm ** Estimated relative uncertainty to adjacent marks
    Positional uncertainty (m) : 0.016 (95% Confidence level)
    Error Ellipse
    Semi-major axis (m) : 0.016
    Semi-minor axis (m) : 0.016
    Azimuth of semi-major axis (deg) : 104 23 34
    ** Projection coordinates are calculated from the geographical coordinates detailed above
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   61745.673
    Northing (m) :  345987.202
    Convergence :       0 3 58.14
    Point scale factor : 1.00000076
    Height Information
    Vertical datum :   AHD71Height type :          Orthometric
    Height (m) :         23.925Height date :          18/06/2008
    Established by :  Dept of Land Admin.State :                    Final
    Vertical method : Spirit LevellingVertical accuracy : 12rootK
    Derived GDA2020 ellipsoidal height (m) : -7.684N-Value (m) :          -31.609
    Geoid model :         AusGeoid2020
    ** Derived GDA2020 ellipsoidal height: h = H + N Interpolation :         Bi-Cubic
    Vertical datum :   GDA2020Height type :          Ellipsoidal
    Height (m) :         -7.700Height date :          15/08/2018
    Established by :  Geoscience AustraliaState :                    Final
    Vertical method : GNSS Survey NetworkVertical accuracy : 0.025m
    Mark to hatch cover :  0.184
    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 (Landgate) Date :   22/04/2008
    Phys. type :    spikeSet in : concrete
    Azimuth :           293 40 35Type :   True azimuth
    Distance (m) :    4.716Type :   Horizontal
    Height diff. (m) : -0.093Type :   Spirit Levelling
    RM to GL (m) :   None
    RM2 Phys. status : located (Landgate) Date :   22/04/2008
    Phys. type :    spikeSet in : concrete
    Azimuth :           174 25 35Type :   True azimuth
    Distance (m) :    4.432Type :   Horizontal
    Height diff. (m) : -0.050Type :   Spirit Levelling
    RM to GL (m) :   None
    RM3 Phys. status : located (Landgate) Date :   22/04/2008
    Phys. type :    star iron picketSet in : concrete
    Azimuth :           43 2 15Type :   True azimuth
    Distance (m) :    5.955Type :   Horizontal
    Height diff. (m) : -0.243Type :   Spirit Levelling
    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 06 34.61619Easting (m) :   400095.196
    Longitude :  E 115 56 27.85611Northing (m) :  6446923.380
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   61741.356
    Northing (m) :  345989.101
    Height Information
    Vertical datum :   AHD71
    Height (m) :         23.832
    RM2
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 32 06 34.82087Easting (m) :   400100.005
    Longitude :  E 115 56 28.03727Northing (m) :  6446917.124
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   61746.098
    Northing (m) :  345982.790
    Height Information
    Vertical datum :   AHD71
    Height (m) :         23.875
    RM3
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 32 06 34.53636Easting (m) :   400103.552
    Longitude :  E 115 56 28.17587Northing (m) :  6446925.921
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   61749.742
    Northing (m) :  345991.550
    Height Information
    Vertical datum :   AHD71
    Height (m) :         23.682
    Cadastral Connection Fieldbooks
    FB S.A.GILLIGAN 2
    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     CANNINGVALE 16
    Alternate names : Map ref.: CANNINGVALE BG34 4.2
    APREF/NGCA codes: Database number : 105756
    Stamp name:      CVAL16 Date established :   01/10/1977
    Physical status : destroyed (Automated Surveys Pty. )Phys. status date :  16/08/2008
    Physical type :    brass plaqueHatch cover type : concrete
    Mark set in :        concreteAccess type : 2 wheel drive
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 32 06 34.72596Easting (m) :   400098.535
    Longitude :  E 115 56 27.98227Northing (m) :  6446920.033
    Convergence :       -0 33 46.41
    Point scale factor : 0.99972308
    Coordinate date :       09/10/2000
    Horizontal method :   Geodetic-TerrestrialCadastral connection : Exists
    Relative horiz. accuracy :       20ppm ** Estimated relative uncertainty to adjacent marks
    Positional uncertainty (m) : 0.016 (95% Confidence level)
    Error Ellipse
    Semi-major axis (m) : 0.017
    Semi-minor axis (m) : 0.014
    Azimuth of semi-major axis (deg) : 154 0 0
    ** Projection coordinates are calculated from the geographical coordinates detailed above
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   61744.659
    Northing (m) :  245985.716
    Convergence :       0 3 58.12
    Point scale factor : 1.00000076
    Height Information
    Vertical datum :   AHD71Height type :          Orthometric
    Height (m) :         23.925Height date :          18/06/2008
    Established by :  Dept of Land Admin.State :                    Final
    Vertical method : Spirit LevellingVertical accuracy : 12rootK
    Derived GDA94 ellipsoidal height (m) : -7.597N-Value (m) :          -31.522
    Geoid model :         AUSGeoid09 V1.01
    ** Derived GDA94 ellipsoidal height: h = H + N Interpolation :         Bi-Cubic
    Vertical datum :   GDA2020Height type :          Ellipsoidal
    Height (m) :         -7.700Height date :          15/08/2018
    Established by :  Geoscience AustraliaState :                    Final
    Vertical method : GNSS Survey NetworkVertical accuracy : 0.025m
    Mark to hatch cover :  0.184
    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 (Landgate) Date :   22/04/2008
    Phys. type :    spikeSet in : concrete
    Azimuth :           293 40 35Type :   True azimuth
    Distance (m) :    4.716Type :   Horizontal
    Height diff. (m) : -0.093Type :   Spirit Levelling
    RM to GL (m) :   None
    RM2 Phys. status : located (Landgate) Date :   22/04/2008
    Phys. type :    spikeSet in : concrete
    Azimuth :           174 25 35Type :   True azimuth
    Distance (m) :    4.432Type :   Horizontal
    Height diff. (m) : -0.050Type :   Spirit Levelling
    RM to GL (m) :   None
    RM3 Phys. status : located (Landgate) Date :   22/04/2008
    Phys. type :    star iron picketSet in : concrete
    Azimuth :           43 2 15Type :   True azimuth
    Distance (m) :    5.955Type :   Horizontal
    Height diff. (m) : -0.243Type :   Spirit Levelling
    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 06 34.66448Easting (m) :   400094.199
    Longitude :  E 115 56 27.81753Northing (m) :  6446921.883
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   61740.343
    Northing (m) :  245987.615
    Height Information
    Vertical datum :   AHD71
    Height (m) :         23.832
    RM2
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 32 06 34.86916Easting (m) :   400099.009
    Longitude :  E 115 56 27.99869Northing (m) :  6446915.627
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   61745.085
    Northing (m) :  245981.304
    Height Information
    Vertical datum :   AHD71
    Height (m) :         23.875
    RM3
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 32 06 34.58465Easting (m) :   400102.555
    Longitude :  E 115 56 28.13729Northing (m) :  6446924.424
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   61748.729
    Northing (m) :  245990.064
    Height Information
    Vertical datum :   AHD71
    Height (m) :         23.682
    Cadastral Connection Fieldbooks
    FB S.A.GILLIGAN 2
    Special Notes
    No Special Notes for this mark