U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
Datums Page                                                        Page  1 of  9

                                                                                
Station ID: 8722213                         PUBLICATION DATE:  11/22/2010
Name:       BINNEY DOCK, FT PIERCE INLET                      
            FL
NOAA Chart: 11474                           Latitude:   27° 28.1' N (  27.46830)
USGS Quad:  ST LUCIE                        Longitude:  80° 18.0' W ( -80.30000)


To reach the tidal bench marks from the junction of US Highway 1 and State Road
A1A South (Seaway Drive) in Fort Pierce, go east on State Road A1A South for
3.46 km (2.15 mi) to the entrance of the US Coast Guard Auxiliary Station
(Formerly the US Coast Guard Station) on the left, turn left on the entrance
drive and go north about 91.44 m (300.0 ft) to the inlet, now by boat go north
for about 30.48 m (100.0 ft) to a 12.19 m (4.0 ft) square wooden dock and the
tide gage is attached to the north end.  The tidal bench marks are in the
vicinity of the US Coast Guard Auxiliary Station.


                         T I D A L   B E N C H   M A R K S
                          U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
                                                                   Page  2 of  9

                                                                                
Station ID: 8722213                         PUBLICATION DATE:  11/22/2010
Name:       BINNEY DOCK, FT PIERCE INLET                      
            FL
NOAA Chart: 11474                           Latitude:   27° 28.1' N (  27.46830)
USGS Quad:  ST LUCIE                        Longitude:  80° 18.0' W ( -80.30000)


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


                 PRIMARY BENCH MARK STAMPING:  G 231 1965
                         DESIGNATION:          G 231

MONUMENTATION:           Bench Mark disk                       VM#:         5427
AGENCY:                  US Coast and Geodetic Survey
                         (USC&GS)                              IDB PID#:  AF3260
SETTING CLASSIFICATION:  Concrete base                         OPUS PID:        
LATITUDE:   27° 28.0' N (  27.46722)          LONGITUDE:  80° 18.0' W ( -80.29944)


The primary bench mark is a disk set in a concrete base projecting about 0.91m
(3.0 ft) above the level of the ground, 68.88 m (226.0 ft) ESE of 2213 K, about
24.25 m (178.0 ft)  north of the approximate centerline of Seaway Drive, 25.76 m
(84.5 ft) NNE of 2213 TIDAL 1, and 9.17 m (30.1 ft) west of the NW corner of the
Caribbean Apartments building.



                         BENCH MARK STAMPING:  NO 1 1969
                         DESIGNATION:          872 2213 TIDAL 1

MONUMENTATION:           Tidal Station disk                    VM#:         5428
AGENCY:                  US Coast and Geodetic Survey
                         (USC&GS)                              IDB PID#:  AF3259
SETTING CLASSIFICATION:  Concrete step                         OPUS PID:        
LATITUDE:   27° 28.0' N (  27.46694)          LONGITUDE:  80° 18.0' W ( -80.29972)


The bench mark is a disk set in the first porch step about 0.30 m (1.0 ft) above
the ground, 30.48 m (100.0 ft) north of the approximate centerline of State Road
A1A South, 25.85 m (84.8 ft) SSW of the SW leg of a flag mast, 25.76 m (84.5 ft)
SSW of G 231, 18.35 m (60.2 ft) west of a wood power pole, and 3.81 m (12.5 ft)
north of the Marine Sciences Center north entrance doors.

                          U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
                                                                   Page  3 of  9

                                                                                
Station ID: 8722213                         PUBLICATION DATE:  11/22/2010
Name:       BINNEY DOCK, FT PIERCE INLET                      
            FL
NOAA Chart: 11474                           Latitude:   27° 28.1' N (  27.46830)
USGS Quad:  ST LUCIE                        Longitude:  80° 18.0' W ( -80.30000)


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


                         BENCH MARK STAMPING:  2213 F 1986
                         DESIGNATION:          872 2213 F TIDAL

MONUMENTATION:           Tidal Station disk                    VM#:         5430
AGENCY:                  National Ocean Service (NOS)          IDB PID#:  AF7540
SETTING CLASSIFICATION:  Concrete drain box                    OPUS PID:        
LATITUDE:   27° 28.1' N (  27.46778)          LONGITUDE:  80° 17.9' W ( -80.29778)


The bench mark is a disk set flush in the top of the west side of a 1.22 m X
1.52 m (4.0 ft X 5.0 ft) concrete storm water drain box 0.61 m (2.0 ft) below
the level of the road, 17.74 m (58.2 ft) SE of the SE corner of a house (1508
Seaway Drive), 9.69 m (31.8 ft) SW of the approximate point of intersection of
Eldorado Street and Seaway Drive, 5.61 m (18.4 ft) north of the approximate
centerline of Seaway Drive, 2.90 m (9.5 ft) SW of a wood power pole with two
transformers attached, 1.52 m (5.0 ft) south of a carsonite witness post, and
0.24 m (0.8 ft) north of the SW corner of the drain box.  The tidal mark 2213 F
1986 is under a sidewalk.



                         BENCH MARK STAMPING:  2213 G 1986
                         DESIGNATION:          872 2213 G TIDAL

MONUMENTATION:           Tidal Station disk                    VM#:         5431
AGENCY:                  FL Department of Environmental Resources
                         (FLDNR)                               IDB PID#:  AF7541
SETTING CLASSIFICATION:  Concrete step                         OPUS PID#: AF7541
LATITUDE:   27° 28.1' N (  27.46778)          LONGITUDE:  80° 18.0' W ( -80.29944)


The bench mark is a disk set in the second step about level with the road, 29.35
m (96.3 ft) WNW of the approximate point of intersection of Desota Street and
Seaway Drive, 17.47 m (57.3 ft) SSW of the SE corner of the Marine Sciences
Center, 12.71 m (41.7 ft) ENE of the SW corner of the Marine Sciences Center,
11.86 m (38.9 ft) NNW of the approximate centerline of State Road A1A South, and
2.99 m (9.8 ft)SSE of the Marine Sciences Center south entrance doors.  

                          U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
                                                                   Page  4 of  9

                                                                                
Station ID: 8722213                         PUBLICATION DATE:  11/22/2010
Name:       BINNEY DOCK, FT PIERCE INLET                      
            FL
NOAA Chart: 11474                           Latitude:   27° 28.1' N (  27.46830)
USGS Quad:  ST LUCIE                        Longitude:  80° 18.0' W ( -80.30000)


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


                         BENCH MARK STAMPING:  2213 J 1995
                         DESIGNATION:          872 2213 J TIDAL

MONUMENTATION:           Flange-encased Rod                    VM#:        15847
AGENCY:                  FL Department of Environmental
                         Protection (FLDEP)                    IDB PID#:  DI3922
SETTING CLASSIFICATION:  Stainless steel rod                   OPUS PID:        
LATITUDE:   27° 28.0' N (  27.46639)          LONGITUDE:  80° 17.9' W ( -80.29889)


The bench mark is a flange-encased rod located 21.82 m (170.0 ft) north of the
approximate centerline of Binney Drive, 31.12 m (102.1 ft) north of a fire
hydrant, 13.50 m (44.3 ft) SE of the SW corner of an apartment building (120 a
Coquina Avenue), 5.91 m (19.4 ft) east of the approximate centerline of Coquina
Avenue, 0.91 m (3.0 ft) south of a wood power pole and 0.30 m (1.0 ft) south of
a carsonite witness post.  The datum point is recessed 0.03 m (0.1 ft) below the
level of the NOS logo cap, being the top of a stainless steel rod driven to
refusal at a depth of 24.08 m (79.0 ft), encased in a 5-inch NOS logo cap
recessed 0.09 m (0.3 ft) below the level of the ground.

                          U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
                                                                   Page  5 of  9

                                                                                
Station ID: 8722213                         PUBLICATION DATE:  11/22/2010
Name:       BINNEY DOCK, FT PIERCE INLET                      
            FL
NOAA Chart: 11474                           Latitude:   27° 28.1' N (  27.46830)
USGS Quad:  ST LUCIE                        Longitude:  80° 18.0' W ( -80.30000)


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


                         BENCH MARK STAMPING:  2213 K 1995
                         DESIGNATION:          872 2213 K TIDAL

MONUMENTATION:           Flange-encased Rod                    VM#:        15848
AGENCY:                  FL Department of Environmental
                         Protection (FLDEP)                    IDB PID#:  DI3923
SETTING CLASSIFICATION:  Stainless steel rod                   OPUS PID#: DI3923
LATITUDE:   27° 28.1' N (  27.46778)          LONGITUDE:  80° 17.9' W ( -80.29917)


The bench mark is a flange-encased rod located 96.01 m (315.0 ft) north of the
approximate centerline of Seaway Drive, 79.25 m (260.0 ft) NW of NO 1, 77.72 m
(225.0 ft) NW of G 231, 22.34 m (73.3 ft) SE of the north end of a 1.83 m (6.0
ft) tall chain link fence, 15.88 m (52.1 ft) NE of the NE corner of the coral
apartments (1340 Seaway Drive), 8.35 m (27.4 ft) west of the SW corner of the
coast guard auxiliary dock and 0.30 m (1.0 ft) east of a carsonite witness post.
 The datum point is recessed 0.06 m (0.2 ft) below the level of the NOS logo
cap, being the top of a stainless steel rod driven to refusal at a depth of
24.08 m (79.0 ft), encased in a 5-inch NOS logo cap flush with the level of the
ground.  A magnet was placed inside the NOS logo cap.

                          U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
                                                                   Page  6 of  9

                                                                                
Station ID: 8722213                         PUBLICATION DATE:  11/22/2010
Name:       BINNEY DOCK, FT PIERCE INLET                      
            FL
NOAA Chart: 11474                           Latitude:   27° 28.1' N (  27.46830)
USGS Quad:  ST LUCIE                        Longitude:  80° 18.0' W ( -80.30000)


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


                         BENCH MARK STAMPING:  X 307 1970
                         DESIGNATION:          X 307

MONUMENTATION:           Bench Mark disk                       VM#:        19413
AGENCY:                  US Coast and Geodetic Survey
                         (NGS&GS)                              IDB PID#:  AF3210
SETTING CLASSIFICATION:  Concrete monument                     OPUS PID:        
LATITUDE:   27° 26.8' N (  27.44611)          LONGITUDE:  80° 17.1' W ( -80.28556)


The bench mark is a disk set in the top of a round concrete monument flush with
the ground and south ocean drive, located 14.94 m (49.0 ft) west of the
approximate centerline of South Ocean Drive, 6.10 m (20.0 ft) south of the
approximate centerline of Coconut Drive, 0.61 m (2.0 ft) west of a wood power
pole, and 0.30 m (1.0 ft) north of a carsonite witness post.    

                          U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
                                                                   Page  7 of  9

                                                                                
Station ID: 8722213                         PUBLICATION DATE:  11/22/2010
Name:       BINNEY DOCK, FT PIERCE INLET                      
            FL
NOAA Chart: 11474                           Latitude:   27° 28.1' N (  27.46830)
USGS Quad:  ST LUCIE                        Longitude:  80° 18.0' W ( -80.30000)


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


                         BENCH MARK STAMPING:  PIERCE 2 1963 NO 5 1971
                         DESIGNATION:          PIERCE 2 RM 5

MONUMENTATION:           Bench Mark disk                       VM#:        19414
AGENCY:                  National Geodetic Survey (NGS)        IDB PID#:  AF3221
SETTING CLASSIFICATION:  Concrete curb                         OPUS PID:        
LATITUDE:   27° 28.2' N (  27.47000)          LONGITUDE:  80° 17.4' W ( -80.29028)


The bench mark is a disk set in the top of the north concrete curb of Seaway
Drive projecting about 0.18 m (0.6 ft) above the level of the road, 19.20 m
(63.0 ft) WSW of a set of flag poles, 11.52 m (37.8 ft) west of a manhole cover,
9.78 m (32.1 ft) NE of another manhole cover, and 6.40 m (21.0 ft) north of the
approximate centerline of Seaway Drive.  

                          U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
                                                                   Page  8 of  9

                                                                                
Station ID: 8722213                         PUBLICATION DATE:  11/22/2010
Name:       BINNEY DOCK, FT PIERCE INLET                      
            FL
NOAA Chart: 11474                           Latitude:   27° 28.1' N (  27.46830)
USGS Quad:  ST LUCIE                        Longitude:  80° 18.0' W ( -80.30000)


                            T I D A L   D A T U M S 


Tidal datums at BINNEY DOCK, FT PIERCE INLET based on:

     LENGTH OF SERIES:      2 MONTHS
     TIME PERIOD:           April 1999 - May 1999
     TIDAL EPOCH:           1983-2001
     CONTROL TIDE STATION:  8721604 TRIDENT PIER, PORT CANAVERAL


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

     MEAN HIGHER HIGH WATER                     MHHW   =  0.720
     North American Vertical Datum              NAVD88 =  0.710
     MEAN HIGH WATER                            MHW    =  0.667
     MEAN SEA LEVEL                             MSL    =  0.376
     MEAN TIDE LEVEL                            MTL    =  0.359
     MEAN LOW WATER                             MLW    =  0.051
     MEAN LOWER LOW WATER                       MLLW   =  0.000

North American Vertical Datum (NAVD88)

Bench Mark Elevation Information                In METERS above:

     Stamping or Designation                    MLLW        MHW

     G 231 1965                                  2.073    1.406
     NO 1 1969                                   2.314    1.647
     2213 F 1986                                 1.280    0.613
     2213 G 1986                                 1.910    1.243
     2213 J 1995                                 1.562    0.895
     2213 K 1995                                 1.208    0.541
     X 307 1970                                  2.400    1.733
     PIERCE 2 1963 NO 5 1971                     1.679    1.012


Foot Notes:

Geodetic heights of the bench marks meet all NOAA/NOS/NGS quality control
standards for Second Order, Class 1 leveling.  It is advised that a confirmation
set of levels be established for bench marks PIERCE 2 1963 NO 5 1971 and X 307
1970 to verify height differences before using tidal bench mark elevation
information.

                          U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
                                                                   Page  9 of  9

                                                                                
Station ID: 8722213                         PUBLICATION DATE:  11/22/2010
Name:       BINNEY DOCK, FT PIERCE INLET                      
            FL
NOAA Chart: 11474                           Latitude:   27° 28.1' N (  27.46830)
USGS Quad:  ST LUCIE                        Longitude:  80° 18.0' W ( -80.30000)


                             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.