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    SSM     WARNBRO 40A
    Alternate names : Map ref.: WARNBRO BG33 2.5
    APREF/NGCA codes: Database number : 885269
    Stamp name:      WAR40A Date established :   06/05/1991
    Physical status : located (McMullen Nolan Group) Phys. status date :  06/08/2024
    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 18 28.15195Easting (m) :   380824.730
    Longitude :  E 115 44 02.71184Northing (m) :  6424740.230
    Convergence :       -0 40 36.01
    Point scale factor : 0.99977514
    Coordinate date :       15/08/2018
    Horizontal method :   GNSS Survey NetworkCadastral connection : Exists
    Relative horiz. accuracy :       30ppm ** 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 (m) : 33 26 29
    ** Projection coordinates are calculated from the geographical coordinates detailed above
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   42222.941
    Northing (m) :  324013.925
    Convergence :       -0 2 38.89
    Point scale factor : 0.99999981
    Height Information
    Vertical datum :   AHD71Height type :          Orthometric
    Height (m) :         4.426Height date :          09/07/2008
    Established by :  LandgateState :                    Final
    Vertical method : Spirit LevellingVertical accuracy : 12rootK
    Derived GDA2020 ellipsoidal height (m) : -28.242N-Value (m) :          -32.668
    Geoid model :         AusGeoid2020
    ** Derived GDA2020 ellipsoidal height: h = H + N Interpolation :         Bi-Cubic
    Vertical datum :   GDA2020Height type :          Ellipsoidal
    Height (m) :         -28.248Height date :          15/08/2018
    Established by :  Geoscience AustraliaState :                    Final
    Vertical method : GNSS Survey NetworkVertical accuracy : 0.025m
    Mark to hatch cover :  0.138
    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 : destroyed (Landgate) Date :   22/04/2008
    Phys. type :    spikeSet in : concrete
    Azimuth :           246 4 24Type :   True azimuth
    Distance (m) :    4.658Type :   Horizontal
    Height diff. (m) : -0.076Type :   Spirit Levelling
    RM to GL (m) :   None
    RM2 Phys. status : located (McMullen Nolan Group) Date :   06/08/2024
    Phys. type :    spikeSet in : concrete
    Azimuth :           189 6 24Type :   True azimuth
    Distance (m) :    3.237Type :   Horizontal
    Height diff. (m) : -0.072Type :   Spirit Levelling
    RM to GL (m) :   0.100
    RM5 Phys. status : located (McMullen Nolan Group) Date :   06/08/2024
    Phys. type :    spikeSet in : concrete
    Azimuth :           38 41 24Type :   True azimuth
    Distance (m) :    2.801Type :   Horizontal
    Height diff. (m) : -0.036Type :   Spirit Levelling
    RM to GL (m) :   0.200
    RM6 Phys. status : located (McMullen Nolan Group) Date :   06/08/2024
    Phys. type :    spikeSet in : concrete
    Azimuth :           306 30 14Type :   True azimuth
    Distance (m) :    3.161Type :   Horizontal
    Height diff. (m) : -0.026Type :   Spirit Levelling
    RM to GL (m) :   0.250
    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 18 28.21328Easting (m) :   380820.496
    Longitude :  E 115 44 02.54908Northing (m) :  6424738.291
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   42218.684
    Northing (m) :  324012.033
    Height Information
    Vertical datum :   AHD71
    Height (m) :         4.350
    RM2
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 32 18 28.25571Easting (m) :   380824.256
    Longitude :  E 115 44 02.69226Northing (m) :  6424737.028
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   42222.431
    Northing (m) :  324010.728
    Height Information
    Vertical datum :   AHD71
    Height (m) :         4.354
    RM5
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 32 18 28.08097Easting (m) :   380826.455
    Longitude :  E 115 44 02.77877Northing (m) :  6424742.436
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   42224.690
    Northing (m) :  324016.113
    Height Information
    Vertical datum :   AHD71
    Height (m) :         4.390
    RM6
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 32 18 28.09090Easting (m) :   380822.168
    Longitude :  E 115 44 02.61471Northing (m) :  6424742.079
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   42220.398
    Northing (m) :  324015.803
    Height Information
    Vertical datum :   AHD71
    Height (m) :         4.400
    Cadastral Connection Fieldbooks
    LG 121554
    LG 164800
    LG129537
    LTO 54772
    R.G.WATSON 189
    Special Notes
    Unknown DateRM4, WAR40A, WAR40 & WAR2 are co-linear.
    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     WARNBRO 40A
    Alternate names : Map ref.: WARNBRO BG33 2.5
    APREF/NGCA codes: Database number : 885269
    Stamp name:      WAR40A Date established :   06/05/1991
    Physical status : located (McMullen Nolan Group) Phys. status date :  06/08/2024
    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 18 28.20071Easting (m) :   380823.741
    Longitude :  E 115 44 02.67333Northing (m) :  6424738.716
    Convergence :       -0 40 36.03
    Point scale factor : 0.99977515
    Coordinate date :       24/02/2011
    Horizontal method :   Geodetic-TerrestrialCadastral connection : Exists
    Relative horiz. accuracy :       10ppm ** Estimated relative uncertainty to adjacent marks
    Positional uncertainty (m) : 0.024 (95% Confidence level)
    Error Ellipse
    Semi-major axis (m) : 0.028
    Semi-minor axis (m) : 0.019
    Azimuth of semi-major axis (m) : 34 0 0
    ** Projection coordinates are calculated from the geographical coordinates detailed above
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   42221.934
    Northing (m) :  224012.422
    Convergence :       -0 2 38.91
    Point scale factor : 0.99999981
    Height Information
    Vertical datum :   AHD71Height type :          Orthometric
    Height (m) :         4.426Height date :          09/07/2008
    Established by :  LandgateState :                    Final
    Vertical method : Spirit LevellingVertical accuracy : 12rootK
    Derived GDA94 ellipsoidal height (m) : -28.182N-Value (m) :          -32.608
    Geoid model :         AUSGeoid09 V1.01
    ** Derived GDA94 ellipsoidal height: h = H + N Interpolation :         Bi-Cubic
    Vertical datum :   GDA2020Height type :          Ellipsoidal
    Height (m) :         -28.248Height date :          15/08/2018
    Established by :  Geoscience AustraliaState :                    Final
    Vertical method : GNSS Survey NetworkVertical accuracy : 0.025m
    Mark to hatch cover :  0.138
    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 : destroyed (Landgate) Date :   22/04/2008
    Phys. type :    spikeSet in : concrete
    Azimuth :           246 4 24Type :   True azimuth
    Distance (m) :    4.658Type :   Horizontal
    Height diff. (m) : -0.076Type :   Spirit Levelling
    RM to GL (m) :   None
    RM2 Phys. status : located (McMullen Nolan Group) Date :   06/08/2024
    Phys. type :    spikeSet in : concrete
    Azimuth :           189 6 24Type :   True azimuth
    Distance (m) :    3.237Type :   Horizontal
    Height diff. (m) : -0.072Type :   Spirit Levelling
    RM to GL (m) :   0.100
    RM5 Phys. status : located (McMullen Nolan Group) Date :   06/08/2024
    Phys. type :    spikeSet in : concrete
    Azimuth :           38 41 24Type :   True azimuth
    Distance (m) :    2.801Type :   Horizontal
    Height diff. (m) : -0.036Type :   Spirit Levelling
    RM to GL (m) :   0.200
    RM6 Phys. status : located (McMullen Nolan Group) Date :   06/08/2024
    Phys. type :    spikeSet in : concrete
    Azimuth :           306 30 14Type :   True azimuth
    Distance (m) :    3.161Type :   Horizontal
    Height diff. (m) : -0.026Type :   Spirit Levelling
    RM to GL (m) :   0.250
    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 18 28.26204Easting (m) :   380819.507
    Longitude :  E 115 44 02.51057Northing (m) :  6424736.777
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   42217.678
    Northing (m) :  224010.530
    Height Information
    Vertical datum :   AHD71
    Height (m) :         4.350
    RM2
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 32 18 28.30447Easting (m) :   380823.267
    Longitude :  E 115 44 02.65375Northing (m) :  6424735.515
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   42221.425
    Northing (m) :  224009.226
    Height Information
    Vertical datum :   AHD71
    Height (m) :         4.354
    RM5
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 32 18 28.12973Easting (m) :   380825.466
    Longitude :  E 115 44 02.74026Northing (m) :  6424740.923
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   42223.684
    Northing (m) :  224014.610
    Height Information
    Vertical datum :   AHD71
    Height (m) :         4.390
    RM6
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 32 18 28.13966Easting (m) :   380821.179
    Longitude :  E 115 44 02.57620Northing (m) :  6424740.566
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   42219.392
    Northing (m) :  224014.301
    Height Information
    Vertical datum :   AHD71
    Height (m) :         4.400
    Cadastral Connection Fieldbooks
    LG 121554
    LG 164800
    LG129537
    LTO 54772
    R.G.WATSON 189
    Special Notes
    Unknown DateRM4, WAR40A, WAR40 & WAR2 are co-linear.