Shared Solution

PID: BBBY81
Designation: 863 8863 TIDAL 3
Stamping: NO. 3 1975
Stability: Monument will probably hold position well
Setting: Massive retaining walls
Mark Condition: G
Description: The bench mark is a disk set in the concrete bulkhead at the rip-rap north of the tunnel air exchange building, 13.90 m (45.6 ft) north of the north face of the air exchange building, 7.01 m (23.0 ft) ENE of the center of a 0.70 m (2.3ft) diameter manhole cover, 4.63 m (15.2 ft) west of the green navigation light,0.61 m (2.0 ft) south of the north edge of the bulkhead, and 0.3 m (1 ft) west of the Paul De Grasse dedication monument.
Observed: 2014-04-01T13:47:00Z more obs 2010-07-12
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: 36° 57' 59.90813" ±  0.006   m
LON: -76° 6' 44.90716" ±   0.008   m
ELL HT: -29.614 ±   0.012   m
X: 1224612.362 ±   0.005  m
Y: -4953053.029 ±   0.015  m
Z: 3814418.094 ±   0.004  m
ORTHO HT: 7.635 ±  0.055   m
UTM  18 SPC  4502(VA S)
NORTHING: 4091749.946m 1072969.155m
EASTING: 400971.456m 3712581.365m
CONVERGENCE: -0.66904066° 1.44904872°
POINT SCALE: 0.99972081 0.99996972
COMBINED FACTOR: 0.99972546 0.99997437
CONTRIBUTED BY
jon.carpenter
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.