Shared Solution

PID:	BBBY81
Designation:	863 8863 TIDAL 3
Stamping:	NO. 3 1975
Stability:	Monument will probably hold position well
Setting:	Massive retaining walls
Description:	The station is located on the north end of the Chesapeake Bay Bridge Tunnel Island #1, three miles north of the Virginia Beach, VA toll booth. The mark is a NOS tidal disk set in the concrete bulkhead at the rip-rap north of the tunnel air exchange building; 45.6' north of the north face of the building; 23.0' ENE of the center of a manhole cover; 15.2' west of the green navigation light; 2.0' south of the north edge of the bulkhead; and 1' west of the Paul De Grasse dedication monument.
Observed:	2010-06-25T14:04:00Z	more obs Original
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' 59.90806"	� 0.002 m
LON:	-76� 6' 44.90731"	� 0.008 m
ELL HT:	-29.597	� 0.024 m
X:	1224612.362	� 0.011 m
Y:	-4953053.044	� 0.016 m
Z:	3814418.102	� 0.017 m
ORTHO HT:	7.652	� 0.060 m

	UTM 18	SPC 4502(VA S)
NORTHING:	4091749.944m	1072969.152m
EASTING:	400971.453m	3712581.362m
CONVERGENCE:	-0.66904069�	1.44904870�
POINT SCALE:	0.99972081	0.99996972
COMBINED FACTOR:	0.99972545	0.99997436

	CONTRIBUTED BY
	robert.w.sweitzer
	US Army Corps Of Engineers

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.