Canadian Base Network Post 963018
Posted by: 
cldisme
N 43° 07.287 W 079° 13.609
17T E 644245 N 4775827
Near St. Catharines and Thorold, Ontario, this benchmark is located in the cloverleaf of the on-ramp for eastbound St. Davids Road traffic to northbound Highway 406.
Waymark Code: WM1YC4
Location: Ontario, Canada
Date Posted: 08/02/2007
Views: 62
SITE IDENTIFICATION
Unique Number : 963018
Name : ST. CATHERINES
Established By : Geodetic Survey Division
Province : ON
Prov. Identifier : None
NTS Map No : 030M03
STATION COORDINATES
Horizontal Datum : NAD83CSRS
Method : Global Positioning System
Latitude : N43° 07' 17.2621" +/- 0.001 m Std Dev. (68% confidence level)
Longitude : W79° 13' 36.5455" +/- 0.001 m Std Dev. (68% confidence level)
Ellipsoidal Height : 142.94 m +/- 0.004 m Std Dev. (68% confidence level)
Geoid Separation (HTv2.0) : -35.739 m
Agency : Geodetic Survey Division
Adjustment Net : M03703
Epoch : 2002.0
UTM : Zone = 17 N = 4775829.02 m E = 644245.66 m
XYZ Coords.: = X = 871585.98 m Y = -4580661.21 m Z = 4337458.34 m
VERTICAL DATA
Vertical Datum : CGVD28
Elevation : 178.693 m
Order : First Order
Method : Differential
Adjustment Line : N25U99
Published Year : 1999
STATION MARKER INFORMATION AND LOCATION
Marker Type : Self Centering Plate
Inspected in : 1999
Status : Good
Inspection Comments : No inspection text on file
Accessible by passenger car or light truck and a walk of less than 50 m
THOROLD
CONCRETE PILLAR WITH STEEL TOP PLATE ON TOP OF HILL OF ROCK IN ISLAND FORMED BY EXIT RAMP FOR EASTBOUND TRAFFIC ON ST DAVID ROAD (REGIONAL ROAD 71) TO HIGHWAY NO. 406 NORTH, IMMEDIATELY SOUTHEAST OF ST DAVID ROAD BRIDGE OVER HIGHWAY NO. 406, ABOUT 145 M SOUTHEAST OF ST DAVID ROAD, 36.2 M WEST OF CENTRE OF RAMP. ELEVATION TAKEN ON TOP AT CENTRE OF MAIN CIRCULAR PLATE ANCHORED ON TOP OF PILLAR.
HISTORICAL COORDINATES NOTE: Coordinates listed below are no longer maintained by GSD and should be verified with your provincial agency before use.
None
PROJECTS IDENTIFIERS:
GPS CBN VA6U71 43079
Unique Designation: 963018
Marker Type: Concrete/Metal Post
Condition: Good
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