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Bench Mark Sheet for 8729941, Blue Angels Park 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Superseded Epoch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Small blue map location marker Unpublished bench mark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  5

                                                                                
Station ID: 8729941                         PUBLICATION DATE:  09/27/2011
Name:       BLUE ANGELS PARK, PERDIDO BAY                     
            FL
NOAA Chart: 11382                           Latitude:   30° 23.2' N (  30.38694)
USGS Quad:  LILLIAN                         Longitude:  87° 25.7' W ( -87.42881)


To reach the station from the I-10 W, west of Pensacola, take exit 7 and go
south on Pine Forrest Road.  Turn right at the intersection of Pine Forrest Road
and North Blue Angel Drive (SR 173), and follow SR 173 south to the intersection
of Route 98. Turn right on Route 98 and head west towards the Lillian Bridge. 
Shortly after the intersection of SR 98 and SR 293 (Bauer Road), there will be a
sign on your left for the Blue Angel Recreational Park and Bronson Road.  Turn
left on Bronson Road into the park, and drive 2.1 miles to the marina and the
station at the concrete dock. The tidal bench marks are located in the vicinity
of the tide station.


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


                 PRIMARY BENCH MARK STAMPING:  9941 A 2008
                         DESIGNATION:          872 9941 A

MONUMENTATION:           Tidal Station disk                    VM#:        18956
AGENCY:                  National Ocean Survey/Service (NOS)   IDB PID#:        
SETTING CLASSIFICATION:  Concrete dock                         OPUS PID#: BBFD88
LATITUDE:   30° 23.2' N (  30.38694)          LONGITUDE:  87° 25.7' W ( -87.42875)


The bench mark is a disk set flush near the SW edge of the dock. 35.89 m (117.7
ft) SW of a flagpole, 3.77 m (12.4 ft) east of the west face of the dock, 0.57 m
(1.9 ft) north of the south face of the dock.

                          U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
                                                                   Page  2 of  5

                                                                                
Station ID: 8729941                         PUBLICATION DATE:  09/27/2011
Name:       BLUE ANGELS PARK, PERDIDO BAY                     
            FL
NOAA Chart: 11382                           Latitude:   30° 23.2' N (  30.38694)
USGS Quad:  LILLIAN                         Longitude:  87° 25.7' W ( -87.42881)


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


                         BENCH MARK STAMPING:  9941 B 2008
                         DESIGNATION:          872 9941 B

MONUMENTATION:           Tidal Station disk                    VM#:        18957
AGENCY:                  National Ocean Survey/Service (NOS)   IDB PID#:        
SETTING CLASSIFICATION:  Concrete boat ramp                    OPUS PID#: BBFF15
LATITUDE:   30° 23.2' N (  30.38637)          LONGITUDE:  87° 25.7' W ( -87.42856)


The bench mark is set flush in the raised edge on the NE corner of the boat ramp
next to a water faucet, 23.64 m (77.6 ft) east of the west end of the ramp,
15.12 m (49.6 ft) north of the south side of the ramp, 0.40 m (1.3 ft) west of
the east end of the ramp, and 0.25 m (0.8 ft) above the boat ramp surface.



                         BENCH MARK STAMPING:  9941 C 2008
                         DESIGNATION:          872 9941 C

MONUMENTATION:           Tidal Station disk                    VM#:        18958
AGENCY:                  National Ocean Survey/Service (NOS)   IDB PID#:        
SETTING CLASSIFICATION:  Concrete pavement                     OPUS PID:        
LATITUDE:   30° 23.2' N (  30.38606)          LONGITUDE:  87° 25.7' W ( -87.42781)


The bench mark is a disk set flush in the concrete floor at the NE corner of the
Marine outpost building, 29.95 m (98.3 ft) NNW of the SE corner of the building,
21.88 m (71.8 ft) west of a yellow fire hydrant, and 7.12 m (23.4 ft) NE of the
NW corner of the outpost building.

                          U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
                                                                   Page  3 of  5

                                                                                
Station ID: 8729941                         PUBLICATION DATE:  09/27/2011
Name:       BLUE ANGELS PARK, PERDIDO BAY                     
            FL
NOAA Chart: 11382                           Latitude:   30° 23.2' N (  30.38694)
USGS Quad:  LILLIAN                         Longitude:  87° 25.7' W ( -87.42881)


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


                         BENCH MARK STAMPING:  9941 D 2008
                         DESIGNATION:          872 9941 D

MONUMENTATION:           Tidal Station disk                    VM#:        18959
AGENCY:                  National Ocean Survey/Service (NOS)   IDB PID#:        
SETTING CLASSIFICATION:  Concrete pavement                     OPUS PID:        
LATITUDE:   30° 23.1' N (  30.38503)          LONGITUDE:  87° 25.6' W ( -87.42725)


The bench mark is a disk set flush in the concrete tarmac, approximately 76.2 m
(250 ff) south of the outpost marina building, 38.95 m (127.8 ft) east of the
rocks at the waters edge, 35.94 m (117.9 ft) west of a yellow fire hydrant, and
27.51 m (90.3 ft) SW of the 18th hole of the putt putt golf course.  



                         BENCH MARK STAMPING:  USC&GS BM
                         DESIGNATION:          872 9941 USCGS  BM
                         ALIAS:                872 9941 E

MONUMENTATION:           Tidal Station disk                    VM#:        18960
AGENCY:                  National Ocean Service (NOS)          IDB PID#:        
SETTING CLASSIFICATION:  Boat ramp wing wall                   OPUS PID:        
LATITUDE:   30° 23.0' N (  30.38328)          LONGITUDE:  87° 25.6' W ( -87.42669)


The mark is a disk set flush in a wing wall on the NE corner of the ramp,
approximately 64.0 m (210 ft) SW of the road near the water, 26.88 m (88.2 ft)
NE of the NW end of the ramp, and 17.16 m (56.3 ft) NNW of the SE edge of the
ramp.

                          U.S. DEPARTMENT OF COMMERCE
                National Oceanic and Atmospheric Administration
                            National Ocean Service
                                                                   Page  4 of  5

                                                                                
Station ID: 8729941                         PUBLICATION DATE:  09/27/2011
Name:       BLUE ANGELS PARK, PERDIDO BAY                     
            FL
NOAA Chart: 11382                           Latitude:   30° 23.2' N (  30.38694)
USGS Quad:  LILLIAN                         Longitude:  87° 25.7' W ( -87.42881)


                            T I D A L   D A T U M S 


Tidal datums at BLUE ANGELS PARK, PERDIDO BAY based on:

     LENGTH OF SERIES:      1 YEAR
     TIME PERIOD:           January 2009 - December 2009
     TIDAL EPOCH:           1983-2001
     CONTROL TIDE STATION:  8729840 PENSACOLA, PENSACOLA BAY


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

     HIGHEST OBSERVED WATER LEVEL (11/10/2009)         =  1.088
     MEAN HIGHER HIGH WATER                     MHHW   =  0.252
     MEAN HIGH WATER                            MHW    =  0.250
     MEAN TIDE LEVEL                            MTL    =  0.125
     MEAN SEA LEVEL                             MSL    =  0.123
     MEAN LOW WATER                             MLW    =  0.000
     MEAN LOWER LOW WATER                       MLLW   =  0.000
     LOWEST  OBSERVED WATER LEVEL (01/13/2011)         = -0.421

North American Vertical Datum (NAVD88)

Bench Mark Elevation Information                In METERS above:

     Stamping or Designation                    MLLW        MHW

     9941 A 2008                                 1.547    1.297
     9941 B 2008                                 2.531    2.281
     9941 C 2008                                 2.605    2.355
     9941 D 2008                                 2.513    2.263
     USC&GS BM                               2.460    2.210


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

                                                                                
Station ID: 8729941                         PUBLICATION DATE:  09/27/2011
Name:       BLUE ANGELS PARK, PERDIDO BAY                     
            FL
NOAA Chart: 11382                           Latitude:   30° 23.2' N (  30.38694)
USGS Quad:  LILLIAN                         Longitude:  87° 25.7' W ( -87.42881)


                             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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Products available at 8729941 Blue Angels Park, FL

Revised: 10/15/2013
NOAA / National Ocean Service
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