DEPARTMENT OF PRIMARY INDUSTRIES AND WATER
INFORMATION AND LAND SERVICES DIVISION
Survey Control Site Summary
Site ST 77 ROSNY HILL

Horizontal Information for ST 77
South Latitude East Longitude Zone Easting Northing Convergence
42 52 10.4343 147 21 32.1251 55 529317.095 5253607.142 +0 14 39.0799
Datum Geocentric Datum of Aust 1994
Pos. Uncertainty 0.040
Survey Class Class B
Order Second
Job Details DPIPWE S545_94 S545

Vertical Information for ST 77
Height 94.258
Datum Aust Height Datum (Tas) 1983
Survey Class Third order levelling
Order Third Order Differential
Job Details Lands L0975

Mark Details for ST 77
Status Existing
Description Brass mushroom SPM 77 grouted with concrete into rock 0.15m below ground level with PVC cover box over. Mark found good order 26/2/2013.
Reference Marks RMs 1, 3 and 4 are star bars in concrete at ground level.
RMs 2 and 5 are drill holes in rock. RMs 1, 3, 4, 6, 7 found good order 26/2/2013. RMs 2 & 5 NOT FOUND 26/2/2013.
RM6 is a stainless steel bolt in rock outcrop.
RMs 1, 3, 4, 5, and 6 found on 04/12/2001.
RM2 reported DESTROYED 1990.
Target Beacon. Base of discs is 3.180m above ST 77. Centre of discs is 3.63m above ST77. Galvanised quad with black discs, established 09/10/2001.Beacon Dyna bolted in position on concrete piers over ST77 |
Locality On Rosny Hill.

Grid Bearing and Distance from ST 77 ROSNY HILL
Convergence +0 14 39.0798 (azimuth is grid bearing minus convergence)
Site Name ID Target Grid Bearing Spher. Dist.
WELLINGTON, MT ST 90 BCN 253 43 58.0 10360.839
WHITE ROCK LT ST 780 LT 167 22 51.2 12160.786
GOAT HILLS ST 1004 MWT MWT 290 55 46.2 11796.632
WELLINGTON, MT ST 90 BROADCASTT TVT 253 00 52.8 10495.877
GOVERNMENT HILLS ST 1130 TV TVT 339 34 20.4 5472.771

Site Access for ST 77 ROSNY HILL
Access By Two wheel drive
Access Details Drive on access by 2WD vehicle.
Climb-on Time (mins) 0

Other Information for ST 77
Location/reference mark diagram(s) 1 available
Photograph(s) 2 available