PNUM_9642171_Dredge_Grand_Isle_Final_Drawings.pdf
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- Solicitation number
- 70Z08219BPMV06800
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DRAWINGS
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Other files
| File | Type | Posted |
|---|---|---|
| Abstract_of_Offerors.pdf | ||
| Amend_0001_-_RFI'S.pdf | ||
| FinalSpecifications.pdf | ||
| 70Z08219BPMV06800_IFB_Construction.pdf |
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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
BATON ROUGE
SHREVEPORT
NEW ORLEANS
HOUMA
LAKE CHARLES
LAFAYETTE
MONROE
SURVEY NOTES
0 1500' 750'
GRAPHIC SCALE
750'
LOCATION
OF WORK
Fifi Island
Grande Isle
Beauregard Island
Isle
Grande Terre
Bay Des Ilettes
Bayou Beauregard
GULF OF MEXICO
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Grande Islae State Park
SHT C-01
SHT C-02 SHT C-03
GAGE ID 88410
"USCG GRAND ISLE BAYOU RIGAUD"
U.S.C.G. STA.
GRANDE ISLE
"872 1724 TIDAL 11"
1. REFER TO SURVEY NO. 16-081.
2. ALL ELEVATIONS ARE BELOW THE CHART DATUM UNLESS PRECEDED BY
A (+) SIGN.
3. PLANE COORDINATES ARE BASED ON THE TRANSVERSE MERCATOR
PROJECTION FOR THE SOUTH ZONE OF LOUISIANA (SPC-LA-S-1702) AND
REFERENCED TO NORTH AMERICAN DATUM OF 1983 (NAD83).
4. DEPTHS DEPICTED BY THIS SURVEY ARE REFERENCED TO MEAN LOWER
LOW WATER (MLLW), MODIFIED TIDAL EPOCH OF 2007-2011 AS REPORTED
BY THE NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION (NOAA).
5. THIS SURVEY WAS PERFORMED UTILIZING LSU'S VIRTUAL REFERENCE
NETWORK (VRN) FOR HORIZONTAL AND VERTICAL CORRECTIONS FOR THE
ENTIRE PROJECT. TIDE STAFF 88410 "USCG GRAND ISLE BAYOU RIGAUD",
LOCATED ON-SITE, WAS USED TO CALIBRATE VRS TIDE DURING SURVEYING.
DATUM RELATIONSHIP FOR 88410:
0.0' NAVD88 (2009.55) = 0.08' MLLW = 1.33' MLG (JUL 2014)
STAFF GAGE CORRECTIONS FOR 88410:
0.0' GAGE DATUM = (-)0.47' MLLW = (-)0.55' NAVD88 = 0.78' MLG (JUL 2014)
PROJECT BENCHMARKS USED WERE:
"876 1899 B TIDAL" (PID: AU2310)
"OOO1" (PID: BBCG78)
"876 1724 TIDAL 11" (PID: AT0685)
6. VERTICAL MEASUREMENTS WERE MADE USING A HULL-MOUNTED ODOM
DUAL-FREQUENCY 24/200 KHZ TRANSDUCER W/ MKIII AND A POLE-MOUNTED
ODOM 200 KHZ TRANSDUCER W/ MKIII. ALL SOUNDINGS SHOWN ARE IN HIGH
FREQUENCY.
VESSEL DATE OF SURVEY CUT
MV OB-167 25-26 AUG 2016 USCG STA GRANDE ISLE
7. AIDS TO NAVIGATION WERE LOCATED DURING THIS SURVEY.
8. THE INFORMATION DEPICTED ON THIS MAP REPRESENTS THE RESULTS OF
SURVEYS MADE ON THE DATES INDICATED ABOVE AND CAN ONLY BE
CONSIDERED AS INDICATING THE GENERAL CONDITIONS AT THAT TIME.
THIS CHART IS SOLELY FOR THE DISTRIBUTION OF AVAILABLE DEPTHS AT
THE TIME OF THE SURVEY.
9. SURVEY ACCURACY PERFORMANCE STANDARDS, QUALITY CONTROL, AND
QUALITY ASSURANCE REQUIREMENTS WERE FOLLOWED DURING THIS
SURVEY IN ACCORDANCE WITH USACE EM 1110-2-1003, HYDROGRAPHIC
SURVEYING, 30 NOV 13.
MONUMENT
GREEN DAYBEACON
RED DAYBEACON
TIDE STAFF
LEGEND
RED LIGHTED BUOY
LIGHTED BEACON
GREEN LIGHTED BUOY
CAN BUOY
NUN BUOY
PROJECT DEPTH
U.S.C.G. STATION GRANDE ISLE
JEFFERSON PARISH, LOUISIANA
HYDROGRAPHIC EXAM SURVEY FY16
NAVD88
MLLW
1.33 feet
0.08 feet
MLG
Relationship between NAVD 1988 and Mean Lower Low Water (MLLW) and Mean Low Gulf (MLG)
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CONSULTANTS
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U. S. COAST GUARD
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CIVIL ENGINEERING UNIT
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MIAMI
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USCG. CEU MIAMI
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15608 SW 117TH AVE
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MIAMI, FLORIDA 33177
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DREDGE STATION GRAND ISLE
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GRAND ISLE
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Y= 282600
Y= 282400
Y= 282200
Y= 282000
Y= 281800
Y= 281600
Y= 281400
X
NOTES:
1. REFER TO SURVEY NO. 16-081.
2. SEE SHEET NO. 1 FOR SURVEY NOTES.
0 130' 65'
GRAPHIC SCALE
65'
MATCHLINE SHEET NO. C-02 MATCHLINE SHEET NO. C-03
DEPTH COLOR CODE
<3.9
4.0-7.9
8.0-11.9
12.0-15.9
>16.0
R"4"
"RED_DM-2"
"GREEN_DM-1"
"RED_BUOY-4"
"GREEN_BUOY-3A"
R"2"
G"1"
LONGITUDELATITUDE
PLANE COORDINATES
YX
AIDS TO NAVIGATION
G"3A"
DBN-1 (08/16) 3,718,928 281,668 29°16'02.23" 89°57'33.64"
DBN-2 (08/16) 3,718,795 281,634 29°16'01.91" 89°57'35.14"
LT. BUOY-3A (08/16) 3,718,992 282,132 29°16'06.82" 89°57'32.85"
BUOY-4 (08/16) 3,718,610 282,651 29°16'12.00" 89°57'37.09"
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USCG. CEU MIAMI
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MIAMI, FLORIDA 33177
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STATION GRAND ISLE
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GRAND ISLE
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LA
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CIVIL
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HYDROGRAPHIC SURVEY 1
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Y= 281600
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Y= 281200
Y= 281000
Y= 280800
Y= 280600
Y= 280400
MATCHLINE SHEET NO. C-01
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