Shared Solution

PID:	AC6855
Designation:	857 1892 C
Stamping:	1892 C 1980
Stability:	Monument will probably hold position well
Setting:	Stainless steel rod without sleeve (10FT+ or 3.048M+)
Mark Condition:	G
Description:	IN CAMBRIDGE, AT THE SAILWINDS PARK, THE BENCH MARK IS LOCATED ALONG THE EAST SIDE OF HAYWARD STREET, 23.07 M , SOUTH OF THE SW CORNER OF THE BRICK OFFICE BUILDING, 6.71 M, SE OF THE CENTERLINE OF HAYWARD STREET, AND 0.43 M (1.41 FT) SE OF POWER POLE NUMBERED 33459/00777. THE BENCH MARK IS CRIMPED TO AN UNSPECIFIED ROD DRIVEN 7.3 M, TO REFUSAL, AND ENCASED IN A 4 INCH PVC PIPE WITH CONCRETE KICKBLOCK. NOTE-SLEEVE DEPTH DOES NOT MEET THE SPECIFICATIONS OF A CLASS A ROD MARK.
Observed:	2018-10-25T00:33:00Z	more obs 2018-11-15
Source:	OPUS - page5 1603.24

Close-up View

REF_FRAME: NAD_83(2011)

EPOCH: 2010.0000

SOURCE: NAVD88 (Computed using GEOID18)

UNITS: m

SET PROFILE

DETAILS

LAT:	38� 34' 18.46222"	� 0.007 m
LON:	-76� 4' 11.29562"	� 0.005 m
ELL HT:	-31.493	� 0.009 m
X:	1202031.920	� 0.005 m
Y:	-4846231.786	� 0.005 m
Z:	3955243.823	� 0.010 m
ORTHO HT:	3.549	� 0.043 m

	UTM 18	SPC 1900(MD)
NORTHING:	4269802.464m	100885.776m
EASTING:	406806.789m	481058.597m
CONVERGENCE:	-0.66706667�	0.58382222�
POINT SCALE:	0.99970695	0.99996384
COMBINED FACTOR:	0.99971189	0.99996878

	CONTRIBUTED BY
	richard.girard
	Center for Operational Oceanographic Products and Services

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.