Attachment 1 - Hydrographic Survey.pdf
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- Solicitation number
- PN20262753
About this file
This document package includes a hydrographic survey map and related federal solicitation for dredging services. The solicitation, number PN20262753, is from the U.S. Coast Guard to dredge a boat basin at its Aids to Navigation Team facility in Dulac, Louisiana. The scope of work involves furnishing all labor, equipment, materials, and supervision to dredge the basin. The hydrographic survey map provides depth soundings and notes on the survey accuracy and methodology. It also shows the location of the U.S. Coast Guard facility and details on monuments and tidal data references.
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BATON ROUGE
SHREVEPORT
NEW ORLEANS
HOUMA
LAKE CHARLES
LAFAYETTE
MONROE
LOCATION MAP
T E X A S
A R K A N S A S
M I S S I S S I P P I
SURVEY NOTES
FY20
HYDROGRAPHIC EXAM SURVEY
DULAC, TERREBONNE PARISH, LA
U.S.C.G. ANT DULAC
LOCATION
OF WORK
S h ri m p e rs R o w
S h ri m p e rs R o w
Falgout Canal Rd
G ra n d C a illo u R d
G ra n d C a illo u R d
C o a s t
G u a rd R d
H o o p e r L n
G o a tf ie ld R d
P o in t R d
B a y o u S a le R d
Grand Caillou Rd
G ra n d C a ill o u R d
Am oco R d
Bayou Dulac
"GC 3"
"TBM 1 SHEARED CONDUIT"
DULAC
ANT
U.S.C.G.
SH 002
Southern Comfort Ct
O ld B rid g e R d
MONUMENT
GREEN DAYBEACON
RED DAYBEACON
TIDE STAFF
LEGEND
RED LIGHTED BUOY
LIGHTED BEACON
GREEN LIGHTED BUOY
CAN BUOY
NUN BUOY
PROJECT DEPTH
W R
M
W R
M G
M R
-0
-V
H -0
.D
G N
-0
-V -I
N D
E X .D
G N
X X
X X
X X
X X -X -X
X X
X X
X .D
G N
X X
X X
X X
X X -X -X
X X
X X
X .D
G N
X X
X X
X X
X X -X -X
X X
X X
X .D
G N
X X
X X
X X
X X -X -X
X X
X X
X .D
G N
X X
X X
X X
X X -X -X
X X
X X
X .D
G N
X X
X X
X X
X X -X -X
X X
X X
X .D
G N
M A
P
IN
D
E X L
O C
A T
IO
N A
N D V
IC
IN
IT
Y
01 02
SURVEYING, 30NOV 2013.
SURVEY IN ACCORDANCE WITH USACE EM 1110-2-1003, HYDROGRAPHIC
QUALITY ASSURANCE REQUIREMENTS WERE FOLLOWED DURING THIS
11. SURVEY ACCURACY PERFORMANCE STANDARDS, QUALITY CONTROL, AND
AT THE TIME OF THE SURVEY.
THIS CHART IS SOLELY FOR THE DISTRIBUTION OF AVAILABLE DEPTHS
CONSIDERED AS INDICATING THE GENERAL CONDITIONS AT THAT TIME.
SURVEYS MADE ON THE DATES INDICATED ABOVE AND CAN ONLY BE
9. THE INFORMATION DEPICTED ON THIS MAP REPRESENTS THE RESULTS OF
8. AIDS TO NAVIGATION WERE NOT LOCATED DURING THIS SURVEY.
USCG ANT DULAC31 JUL 2020 M/V OB1222
CUTDATE OF SURVEY VESSEL
SOUNDINGS SHOWN ARE IN HIGH FREQUENCY.
MULTI-BEAM SENSOR OPERATING AT 200 KHZ (HIGH FREQUENCY). ALL
7. VERTICAL MEASUREMENTS WERE MADE USING A TELEDYNE RESON T50-P
0.0' NAVD88 (2009.55) = 0.44' MLLW
LAT 29.202801 LON -90.665423.FOR THE ENTIRE PROJECT.
CONVERSION TOOL WAS USED WITH A SINGLE-POINTY NAVD TO MLLW AT
ATMOSPHERIC ADMINISTRATION (NOAA). NOAA'S VDATUM MODEL ONLINE
EPOCH 1983-2001 AS REPORTED BY THE NATIONAL OCEANIC AND
6. DEPTHS DEPICTED BY THIS SURVEY ARE REFERENCED TO MLLW, TIDAL
NORTH AMERICAN DATUM OF 1983 (NAD83).
PROJECTION FOR THE SOUTH ZONE OF LOUISIANA AND REFERENCED TO
5. PLANE COORDINATES ARE BASED ON THE LAMBERT CONFORMAL CONIC
A (+) SIGN.
4. ALL ELEVATIONS ARE BELOW THE CHART DATUM UNLESS PRECEDED BY
CORRECTED TO MLLW USING THE RELATIONSHIP IN NOTE 6.
SURFACE ELEVATIONS TIED TO MONUMENT "GC 3". ELEVATIONS WERE
KINEMATIC (RTK) GPS AND REFERENCED TO NAVD88 (2009.55) WATER
3. TIDAL REDUCTIONS WERE OBTAINED UTILIZING LSU C4GNET A REAL-TIME
MEAN LOWER LOW WATER (MLLW) OF THE 1983-2001 TIDAL EPOCH.
2. SOUNDINGS ARE IN FEET AND TENTHS AND REFER TO NOAA'S REPORTED
1. REFER TO SURVEY NO. 20-027.
W E
P -X
X -X -X
X X
X
F
E
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C
B
A
D e s c ri p ti o n
F
E
D
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B
A
10 9 8 7 6 5 4 3 2 1
10 9 8 7 6 5 3 2 1
US Army Corps of Engineers
Jacksonville District
DEPENDS ON YOU
SAFETY ON THIS JOB
Drawing no.
AS SHOWNScale:
SHEET OF
F il e n a m e
D a te d
In v
N o
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N b y
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C k d b y
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W R
M
W R
M G
M R
-0
-V
H -0
.D
G N
P L
A N
02 02
2. SEE SHEET NO. 1 FOR SURVEY NOTES.
1. REFER TO SURVEY NO. 20-027.
NOTES:
0 40'20'
GRAPHIC SCALE
20'
X
X
X
X
X
X
X
X
Y= 320000
Y= 319900
Y= 319800
Y= 319700
Y= 319600
Y= 319500
"GC 3"
"TBM 1 SHEARED CONDUIT"
C o a s t
G u a rd R d
G ra n d C a illo u R d
Bayou Dulac
DEPTH COLOR CODE
<2.9
3.0-5.9
6.0-8.9
9.0-11.9
12.0-14.9
>15.0
-0
-V -S
O U
N
U S
C G .D
G N
-0
-V -T
O P
O .D
G N
X X
X X
X X
X X -X -X
X X
X X
X .D
G N
X X
X X
X X
X X -X -X
X X
X X
X .D
G N
X X
X X
X X
X X -X -X
X X
X X
X .D
G N
X X
X X
X X
X X -X -X
X X
X X
X .D
G N
X X
X X
X X
X X -X -X
X X
X X
X .D
G N
U.S.C.G. ANT Dulac
U .S .C .G
A N
T D
U L
A C
W E
P -X
X -X -X
X X
X
F
E
D
C
B
A
D e s c ri p ti o n
F
E
D
C
B
A
10 9 8 7 6 5 4 3 2 1
10 9 8 7 6 5 3 2 1
US Army Corps of Engineers
Jacksonville District
DEPENDS ON YOU
SAFETY ON THIS JOB
Drawing no.
AS SHOWNScale:
SHEET OF
F il e n a m e
D a te d
In v
N o
D W
N b y
D e s ig n e d b y
C k d b y
J A
C K
S O
N V
IL
L E F
L O
R
ID
A
J A
C K
S O
N V
IL
L E D
IS
T R
IC
T
C O
R P
S O
F E
N G
IN
E E
R S
D E
P A
R T
M E
N T O
F T
H E A
R M
Y R e fe re n c e f il e s
N o
S y m b o l
Z o n e
E X
A M
IN
A T
IO
N S
U R
V E
Y F
Y
-0
-G
-B S -B
R D
R .D
G N
J U
L
T E
R R
E B
O N
N E P
A R
IS
H L
O U
IS
IA
N A
D U
L A
C
+1
+2
+2
+3
+3
+4
| 20-027-VH-001 |
| 20-027-VH-002 |
File details come from the government source that posted it. Updated .