Shared Solution

PID: CK5864
Designation: BACK RM 1
Stamping: BACK NO 1 1934
Stability: Monument will probably hold position well
Setting: Abutment or pier of large bridges
Mark Condition: G
Description: The tidal bench mark is a Reference Mark disk set flush in the concrete bridge abutment on the NE corner of the U.S. Highway 17/Route 170 bridge over Little Back River, 6.55 m (21.5 ft) SW of the dirt canal dike on the east bank of Little Back River, 5.39 m (17.7 ft) north of the centerline of the bridge, 0.37 m (1.2 ft) north of the centerline of the bridge railing, 0.15 m (0.5 ft) south of the north edge of the bridge abutment, and 0.21 m (0.7 ft) above the road bed.
Observed: 2015-04-02T13:25:00Z more obs 2015- -
Source: OPUS - page5 1209.04
Close-up View
REF_FRAME:   NAD_83(2011) EPOCH:   2010.0000 SOURCE:   NAVD88 (Computed using GEOID18) UNITS:  m  SET PROFILE   DETAILS
LAT: 32° 9' 57.46954" ±  0.027   m
LON: -81° 7' 29.09823" ±   0.024   m
ELL HT: -27.778 ±   0.017   m
X: 833788.721 ±   0.022  m
Y: -5339552.430 ±   0.026  m
Z: 3376009.496 ±   0.027  m
ORTHO HT: 3.424 ±  0.053   m
UTM  17 SPC  3900(SC)
NORTHING: 3558838.582m 36899.358m
EASTING: 488238.012m 597831.732m
CONVERGENCE: -0.06641341° -0.06916105°
POINT SCALE: 0.99960171 1.00013432
COMBINED FACTOR: 0.99960607 1.00013868
CONTRIBUTED BY
roy.anderson
NOAA, National Geodetic Survey
Horizon View
The numerical values for this position solution have satisfied the quality control criteria of the National Geodetic Survey. The contributor has verified that the information submitted is accurate and complete.