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    SSM     KEWDALE 86
    Alternate names : NEW RAILWAY BRIDGE Map ref.: KEWDALE BG34 4.5
    APREF/NGCA codes: Database number : 103124
    Stamp name:      Date established :   01/06/1980
    Physical status : destroyed (Dept of Land Admin.)Phys. status date :  07/12/1998
    Physical type :    brass plaqueHatch cover type : concrete
    Mark set in :        concreteAccess type : 2 wheel drive
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 31 59 09.04999Easting (m) :   403482.277
    Longitude :  E 115 58 42.04712Northing (m) :  6460677.181
    Convergence :       -0 32 28.40
    Point scale factor : 0.99971488
    Coordinate date :       13/08/2018
    Horizontal method :   Geodetic-TerrestrialCadastral connection : Exists
    Relative horiz. accuracy :       30ppm ** Estimated relative uncertainty to adjacent marks
    Positional uncertainty (m) : 0.02 (95% Confidence level)
    Error Ellipse
    Semi-major axis (m) : 0.022
    Semi-minor axis (m) : 0.018
    Azimuth of semi-major axis (m) : 144 6 33
    ** Projection coordinates are calculated from the geographical coordinates detailed above
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   65279.969
    Northing (m) :  359708.829
    Convergence :       0 5 8.32
    Point scale factor : 1.00000194
    Height Information
    Vertical datum :   AHD71Height type :          Orthometric
    Height (m) :         26.425Height date :          04/05/2000
    Established by :  Dept of Land Admin.State :                    Final
    Vertical method : Spirit LevellingVertical accuracy : 12rootK
    Derived GDA2020 ellipsoidal height (m) : -4.942N-Value (m) :          -31.367
    Geoid model :         AusGeoid2020
    ** Derived GDA2020 ellipsoidal height: h = H + N Interpolation :         Bi-Cubic
    Mark to hatch cover :  0.083
    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 Date :   01/06/1990
    Phys. type :    spikeSet in : concrete
    Azimuth :           143 12 37Type :   True azimuth
    Distance (m) :    2.545Type :   Horizontal
    Height diff. (m) : -0.429Type :   Spirit Levelling
    RM to GL (m) :   None
    RM2 Phys. status : destroyed Date :   01/06/1990
    Phys. type :    spikeSet in : concrete
    Azimuth :           12 22 29Type :   True azimuth
    Distance (m) :    3.358Type :   Horizontal
    Height diff. (m) : -0.365Type :   Spirit Levelling
    RM to GL (m) :   None
    RM3 Phys. status : destroyed Date :   01/06/1990
    Phys. type :    spikeSet in : concrete
    Azimuth :           79 3 8Type :   True azimuth
    Distance (m) :    2.901Type :   Horizontal
    Height diff. (m) : -0.375Type :   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 31 59 09.11616Easting (m) :   403483.820
    Longitude :  E 115 58 42.10518Northing (m) :  6460675.158
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   65281.490
    Northing (m) :  359706.788
    Height Information
    Vertical datum :   AHD71
    Height (m) :         25.996
    RM2
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 31 59 08.94350Easting (m) :   403482.965
    Longitude :  E 115 58 42.07453Northing (m) :  6460680.467
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   65280.693
    Northing (m) :  359712.107
    Height Information
    Vertical datum :   AHD71
    Height (m) :         26.060
    RM3
    Geographical CoordinatesMGA2020 Coordinates
    Horizontal datum : GDA2020Zone :             50
    Latitude :     S 31 59 09.03210Easting (m) :   403485.119
    Longitude :  E 115 58 42.15561Northing (m) :  6460677.759
    Project Grid - PCG2020Perth Coastal Grid 2020
    Easting (m) :   65282.818
    Northing (m) :  359709.375
    Height Information
    Vertical datum :   AHD71
    Height (m) :         26.050
    Cadastral Connection Fieldbooks
    FB G.B.GORMAN 10
    Special Notes
    Unknown DateR/way Bridge,KEW86,RM1 & R/way Bridge T are co-linear. Assumed :previously known as NEW RAILWAY BRIDGE. Mark is stamped NEW RAILWAY BDG, J.Payne 2.11.1998. Alternate name has been entered into GESMAR 3.11.1998
    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     KEWDALE 86
    Alternate names : NEW RAILWAY BRIDGE Map ref.: KEWDALE BG34 4.5
    APREF/NGCA codes: Database number : 103124
    Stamp name:      Date established :   01/06/1980
    Physical status : destroyed (Dept of Land Admin.)Phys. status date :  07/12/1998
    Physical type :    brass plaqueHatch cover type : concrete
    Mark set in :        concreteAccess type : 2 wheel drive
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 31 59 09.09884Easting (m) :   403481.282
    Longitude :  E 115 58 42.00865Northing (m) :  6460675.668
    Convergence :       -0 32 28.42
    Point scale factor : 0.99971489
    Coordinate date :       09/10/2000
    Horizontal method :   Geodetic-TerrestrialCadastral connection : Exists
    Relative horiz. accuracy :       20ppm ** Estimated relative uncertainty to adjacent marks
    Positional uncertainty (m) : 0.014 (95% Confidence level)
    Error Ellipse
    Semi-major axis (m) : 0.016
    Semi-minor axis (m) : 0.010
    Azimuth of semi-major axis (m) : 150 0 0
    ** Projection coordinates are calculated from the geographical coordinates detailed above
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   65278.957
    Northing (m) :  259707.325
    Convergence :       0 5 8.30
    Point scale factor : 1.00000194
    Height Information
    Vertical datum :   AHD71Height type :          Orthometric
    Height (m) :         26.425Height date :          04/05/2000
    Established by :  Dept of Land Admin.State :                    Final
    Vertical method : Spirit LevellingVertical accuracy : 12rootK
    Derived GDA94 ellipsoidal height (m) : -4.878N-Value (m) :          -31.303
    Geoid model :         AUSGeoid09 V1.01
    ** Derived GDA94 ellipsoidal height: h = H + N Interpolation :         Bi-Cubic
    Mark to hatch cover :  0.083
    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 Date :   01/06/1990
    Phys. type :    spikeSet in : concrete
    Azimuth :           143 12 37Type :   True azimuth
    Distance (m) :    2.545Type :   Horizontal
    Height diff. (m) : -0.429Type :   Spirit Levelling
    RM to GL (m) :   None
    RM2 Phys. status : destroyed Date :   01/06/1990
    Phys. type :    spikeSet in : concrete
    Azimuth :           12 22 29Type :   True azimuth
    Distance (m) :    3.358Type :   Horizontal
    Height diff. (m) : -0.365Type :   Spirit Levelling
    RM to GL (m) :   None
    RM3 Phys. status : destroyed Date :   01/06/1990
    Phys. type :    spikeSet in : concrete
    Azimuth :           79 3 8Type :   True azimuth
    Distance (m) :    2.901Type :   Horizontal
    Height diff. (m) : -0.375Type :   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 31 59 09.16501Easting (m) :   403482.825
    Longitude :  E 115 58 42.06671Northing (m) :  6460673.644
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   65280.478
    Northing (m) :  259705.285
    Height Information
    Vertical datum :   AHD71
    Height (m) :         25.996
    RM2
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 31 59 08.99235Easting (m) :   403481.970
    Longitude :  E 115 58 42.03606Northing (m) :  6460678.953
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   65279.681
    Northing (m) :  259710.604
    Height Information
    Vertical datum :   AHD71
    Height (m) :         26.060
    RM3
    Geographical CoordinatesMGA94 Coordinates
    Horizontal datum : GDA94Zone :             50
    Latitude :     S 31 59 09.08095Easting (m) :   403484.124
    Longitude :  E 115 58 42.11715Northing (m) :  6460676.245
    Project Grid - PCG94Perth Coastal Grid 1994
    Easting (m) :   65281.806
    Northing (m) :  259707.872
    Height Information
    Vertical datum :   AHD71
    Height (m) :         26.050
    Cadastral Connection Fieldbooks
    FB G.B.GORMAN 10
    Special Notes
    Unknown DateR/way Bridge,KEW86,RM1 & R/way Bridge T are co-linear. Assumed :previously known as NEW RAILWAY BRIDGE. Mark is stamped NEW RAILWAY BDG, J.Payne 2.11.1998. Alternate name has been entered into GESMAR 3.11.1998