Bench Mark Sheet for 8722105, VERO BEACH (OCEAN) FL

Superseded Epoch

Large map location marker Station Location
Small red map location marker Published bench mark
Small blue map location marker Unpublished bench mark

Bench mark positions only appear on the map if their coordinates in the CO-OPS database are at the precision of degrees/minutes/seconds/and tenths of seconds. If the coordinates are less precise, the mark will not appear.

Printable version

                          U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
Datums Page                                                        Page  1 of  7

                                                                                
Station ID: 8722105                         PUBLICATION DATE:  07/26/2004
Name:       VERO BEACH (OCEAN)                                
            FL
NOAA Chart: 11474                           Latitude:   27° 40.2' N (  27.67000)
USGS Quad:  RIOMAR                          Longitude:  80° 21.6' W ( -80.36000)


To reach the tidal bench marks from the intersection of U.S. Highway 1 and State
Highway 60 in Vero Beach, proceed 4.0 km (2.5 mi) east and north on State
Highway 60 to the intersection with State Highway A1A, then turn left and
proceed north for 1.9 km (1.2 mi) to the entrance to The Complex Condominium.
The bench marks are at the complex, along State Highway A1A, and at the Florida
Institute of Technology facility to the north.  The tide gage and staff were on
the now destroyed Ocean Pier Motel pier.


                         T I D A L   B E N C H   M A R K S


                 PRIMARY BENCH MARK STAMPING:  CLARKSON 2 1961
                         DESIGNATION:          CLARKSON 2

MONUMENTATION:           Triangulation Station disk            VM#:         5410
AGENCY:                  US Coast and Geodetic Survey
                         (USC&GS)                              IDB PID#:  AF3353
SETTING CLASSIFICATION:  Concrete monument                     OPUS PID:        
LATITUDE:   27° 40.2' N (  27.67000)          LONGITUDE:  80° 21.6' W ( -80.36000)


The primary bench mark is a disk set in the top of a concrete monument located
near the SE corner of The Complex Condominium building, 91 m (300 ft) east of
State Highway A1A, 16.86 m (55.3 ft) WNW of Triangulation Station Clarkson 3
1981, 4.54 m (14.9 ft) north of a chain link fence, 4.08 m (13.4 ft) south of
the SE corner of condominium, 0.46 m (1.5 ft) SW of a witness post, and 0.37 m
(1.2 ft)  below ground level.

                          U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
                                                                   Page  2 of  7

                                                                                
Station ID: 8722105                         PUBLICATION DATE:  07/26/2004
Name:       VERO BEACH (OCEAN)                                
            FL
NOAA Chart: 11474                           Latitude:   27° 40.2' N (  27.67000)
USGS Quad:  RIOMAR                          Longitude:  80° 21.6' W ( -80.36000)


                         T I D A L   B E N C H   M A R K S


                         BENCH MARK STAMPING:  CLARKSON 3 1981
                         DESIGNATION:          CLARKSON 3

MONUMENTATION:           Triangulation Station disk            VM#:         7442
AGENCY:                  US Coast and Geodetic Survey
                         (USC&GS)                              IDB PID#:  AF7397
SETTING CLASSIFICATION:  Concrete monument                     OPUS PID:        
LATITUDE:   27° 40.2' N (  27.67000)          LONGITUDE:  80° 21.6' W ( -80.36000)


The bench mark is a disk set in the top of a concrete monument, 19.05 m (62.5
ft) SE of the SE corner of The Complex Condominium, 1.22 m (4.0 ft) south of a
chain link fence, 0.73 m (2.4 ft) south of a witness post, and 0.73 m (2.4 ft)
west of a second witness post.

                          U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
                                                                   Page  3 of  7

                                                                                
Station ID: 8722105                         PUBLICATION DATE:  07/26/2004
Name:       VERO BEACH (OCEAN)                                
            FL
NOAA Chart: 11474                           Latitude:   27° 40.2' N (  27.67000)
USGS Quad:  RIOMAR                          Longitude:  80° 21.6' W ( -80.36000)


                         T I D A L   B E N C H   M A R K S


                         BENCH MARK STAMPING:  EGGS 2 1960
                         DESIGNATION:          EGGS 2

MONUMENTATION:           Triangulation Station disk            VM#:         7443
AGENCY:                  US Coast and Geodetic Survey
                         (USC&GS)                              IDB PID#:  AF3357
SETTING CLASSIFICATION:  Concrete monument                     OPUS PID:        
LATITUDE:   27° 40.5' N (  27.67500)          LONGITUDE:  80° 21.7' W ( -80.36170)


The bench mark is a disk set in the top of a concrete monument, 0.6 km (0.4 mi)
north of The Complex Condominium at the Florida Institute of Technology
facility, 15.67 m (51.4 ft) SE of the SE corner of building #0011A, 14 m (45 ft)
west of the SW corner of building #02099, 13.47 m (44.2 ft) NE of the NE corner
of the large concrete base for building #00022, and 3 cm (0.1 ft) above ground
level.

                          U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
                                                                   Page  4 of  7

                                                                                
Station ID: 8722105                         PUBLICATION DATE:  07/26/2004
Name:       VERO BEACH (OCEAN)                                
            FL
NOAA Chart: 11474                           Latitude:   27° 40.2' N (  27.67000)
USGS Quad:  RIOMAR                          Longitude:  80° 21.6' W ( -80.36000)


                         T I D A L   B E N C H   M A R K S


                         BENCH MARK STAMPING:  EGGS 2 NO 1 1960
                         DESIGNATION:          EGGS 2 RM 1

MONUMENTATION:           Reference Mark disk                   VM#:         7444
AGENCY:                  US Coast and Geodetic Survey
                         (USC&GS)                              IDB PID#:  AF3358
SETTING CLASSIFICATION:  Concrete base                         OPUS PID:        
LATITUDE:   27° 40.5' N (  27.67500)          LONGITUDE:  80° 21.7' W ( -80.36170)


The bench mark is a disk set in the SW corner of the 2 m (8 ft) square concrete
base for a former camera pad located at the Florida Institute of Technology
facility, 17 m (56 ft) NW of the NW corner of building #02099, 3.75 m (12.3 ft)
east of the east side of building #0011E, and 6 cm (0.2 ft) above the ground.

                          U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
                                                                   Page  5 of  7

                                                                                
Station ID: 8722105                         PUBLICATION DATE:  07/26/2004
Name:       VERO BEACH (OCEAN)                                
            FL
NOAA Chart: 11474                           Latitude:   27° 40.2' N (  27.67000)
USGS Quad:  RIOMAR                          Longitude:  80° 21.6' W ( -80.36000)


                         T I D A L   B E N C H   M A R K S


                         BENCH MARK STAMPING:  EGGS 2 NO 2 1960
                         DESIGNATION:          EGGS 2 RM 2

MONUMENTATION:           Reference Mark disk                   VM#:         7445
AGENCY:                  US Coast and Geodetic Survey
                         (USC&GS)                              IDB PID#:  AF3355
SETTING CLASSIFICATION:  Concrete monument                     OPUS PID:        
LATITUDE:   27° 40.5' N (  27.67500)          LONGITUDE:  80° 21.7' W ( -80.36170)


The bench mark is a disk set in the top of a concrete monument, 28.80 m (94.5
ft) north of the SE corner of a chain link fence around the facility, 23.01 m
(75.5 ft) east of Triangulation Station EGGS 2 1960, 18.90 m (62.0 ft) SE of the
SE corner of building #02099, 0.30 m (1.0 ft) west of the north/south fence
line, and 12 cm (0.4 ft) above the ground.



                         BENCH MARK STAMPING:  88 78 A22A
                         DESIGNATION:          88 78 A 22 A

MONUMENTATION:           Survey disk                           VM#:         7446
AGENCY:                  Florida Department of Transportation
                         (FLDT)                                IDB PID#:  AF6879
SETTING CLASSIFICATION:  Concrete monument                     OPUS PID:        
LATITUDE:   27° 40.2' N (  27.66917)          LONGITUDE:  80° 21.7' W ( -80.36167)


The bench mark is a disk set in the top of a concrete monument located at the
Florida Institute of Technology facility, 18.20 m (59.7 ft) NNW of a powerline
pole, 10.36 m (34.0 ft) WSW of the centerline of State Highway A1A, 9.75 m (32.0
ft) ENE of the east edge of a parking lot, and 1.40 m (4.6 ft) ENE of a witness
post.

                          U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
                                                                   Page  6 of  7

                                                                                
Station ID: 8722105                         PUBLICATION DATE:  07/26/2004
Name:       VERO BEACH (OCEAN)                                
            FL
NOAA Chart: 11474                           Latitude:   27° 40.2' N (  27.67000)
USGS Quad:  RIOMAR                          Longitude:  80° 21.6' W ( -80.36000)


                            T I D A L   D A T U M S 


Tidal datums at VERO BEACH (OCEAN) based on:

     LENGTH OF SERIES:      1 YEAR
     TIME PERIOD:           August 1972 - July 1973
     TIDAL EPOCH:           1983-2001
     CONTROL TIDE STATION:  8723170 MIAMI BEACH (CITY PIER)


Elevations of tidal datums referred to Mean Lower Low Water (MLLW), in METERS:

     HIGHEST OBSERVED WATER LEVEL (10/25/1973)         =  1.972
     MEAN HIGHER HIGH WATER                     MHHW   =  1.190
     MEAN HIGH WATER                            MHW    =  1.089
     North American Vertical Datum              NAVD88 =  0.921
     MEAN SEA LEVEL                             MSL    =  0.573
     MEAN TIDE LEVEL                            MTL    =  0.573
     MEAN LOW WATER                             MLW    =  0.057
     MEAN LOWER LOW WATER                       MLLW   =  0.000
     LOWEST  OBSERVED WATER LEVEL (12/22/1972)         = -0.256

North American Vertical Datum (NAVD88)

Bench Mark Elevation Information                In METERS above:

     Stamping or Designation                    MLLW        MHW

     CLARKSON 2 1961                             5.172    4.083
     CLARKSON 3 1981                             5.180    4.091
     EGGS 2 1960                                 4.636    3.547
     EGGS 2 NO 1 1960                            4.786    3.697
     EGGS 2 NO 2 1960                            4.936    3.847
     88 78 A22A                                  1.645    0.556


                          U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
                                                                   Page  7 of  7

                                                                                
Station ID: 8722105                         PUBLICATION DATE:  07/26/2004
Name:       VERO BEACH (OCEAN)                                
            FL
NOAA Chart: 11474                           Latitude:   27° 40.2' N (  27.67000)
USGS Quad:  RIOMAR                          Longitude:  80° 21.6' W ( -80.36000)


                             D E F I N I T I O N S


Mean Sea Level (MSL) is a tidal datum determined over a 19-year National Tidal
Datum Epoch.  It pertains to local mean sea level and should not be confused
with the fixed datums of North American Vertical Datum of 1988 (NAVD88).

NAVD88 is a fixed datum derived from a simultaneous, least squares, minimum
constraint adjustment of Canadian/Mexican/United States leveling observations.
Local mean sea level observed at Father Point/Rimouski, Canada was held fixed as
the single initial constraint.  NAVD88 replaces NGVD29 as the national
standard geodetic reference for heights.  Bench mark elevations relative to
NAVD88 are available from NGS through the World Wide Web at 
National Geodetic Survey.

NGVD29 is a fixed datum adopted as a national standard geodetic reference for
heights but is now considered superseded.  NGVD29 is sometimes referred to as
Sea Level Datum of 1929 or as Mean Sea Level on some early issues of Geological
Survey Topographic Quads.  NGVD29 was originally derived from a general
adjustment of the first-order leveling networks of the U.S. and Canada after
holding mean sea level observed at 26 long term tide stations as fixed.
Numerous local and wide-spread adjustments have been made since establishment in
1929.  Bench mark elevations relative to NGVD29 are available from the National
Geodetic Survey (NGS) data base via the World Wide Web at 
National Geodetic Survey.

NAVD88 and NGVD29 are fixed geodetic datums whose elevation relationships to
local MSL and other tidal datums may not be consistent from one location to
another.

The Vertical Mark Number (VM#) and PID# shown on the bench mark sheet are unique
identifiers for bench marks in the tidal and geodetic databases, respectively.
Each bench mark in either database has a single, unique VM# and/or PID# assigned.
Where both VM# and PID# are indicated, both tidal and geodetic elevations are
available for the bench mark listed. The NGS's Integrated Data Base (IDB PID)
provides geodetic datum based on traditionally leveled and bluebooked ties to
the National Spatial Reference System(NSRS) https://www.ngs.noaa.gov/datasheets/.
The NGS Online Positioning User Service (OPUS PID) provides geodetic datum based
on GPS position & tie it to the NSRS https://www.ngs.noaa.gov/OPUS/.

The NAVD88 elevation is shown on the Elevations of Tidal Datums Table Referred
to MLLW only when two or more of the bench marks listed have NAVD88 elevations.
The NAVD88 elevation relationship shown in the table is derived from an average
of several bench mark elevations relative to tide station datum.  As a result of
this averaging, NAVD88 bench mark elevations computed indirectly from the tidal
datums elevation table may differ slightly from NAVD88 elevations listed for
each bench mark in the NGS database.

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