J.2. U. S. COAST GUARD DRAWINGS (M2436-D) PN_20262753.pdf
PDF 3 MB Posted
- Solicitation number
- PN20262753
About this file
This set of technical drawings and related federal contract opportunity specify requirements for dredging services. The U.S. Coast Guard Civil Engineering Unit in Miami is soliciting proposals to dredge approximately 3,026 cubic yards of material from the boat basin at the U.S. Coast Guard Aids to Navigation Team in Dulac, Louisiana. The drawings depict the dredge area boundaries, existing conditions, and disposal site coordinates. Dredged material must be placed in the designated marsh disposal area located approximately 1.25 acres inland from Shrimpers Row at coordinates 29.364,-90.727. The contractor will be responsible for verifying dimensions, removing debris prior to dredging, daily rubbish removal, and coordinating with the Contracting Officer Representative and Harry Bourg Corporation. All dredging and disposal work must adhere to specifications in Section 35 20 23 of the solicitation and be monitored to prevent excessive sediment accumulation exceeding 18 inches over existing marsh elevations per Louisiana Department of Wildlife and Fisheries requirements.
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IVAN MARQUEZ
EVA PORRAS
MICHAEL LESINSKI
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U.S. COAST GUARD
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BRANCH CHIEF
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DRAWING INDEX
SHEET ID SHEET # SHEET TITLE
G-001 1 COVER SHEET
C-001 2 DREDGING PLAN
C-002 3 CROSS SECTIONS
C-003 4 DISPOSAL SITE
USCG PROJECT NUMBER: 20262753
DREDGE BOAT BASIN AT USCG ANT DULAC
DULAC, LOUISIANA
U.S. COAST GUARD
CIVIL ENGINEERING UNIT
MIAMI
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VICINITY MAP
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LOCATION MAP
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LOCATION MAP
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LOCATION
OF WORK
AREA OF WORK
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DULAC AIDS TO NAVIGATION TEAM
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LOCATION OF U.S. COAST GUARD
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17 MILES TO HOUMA
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HIGHWAY 57
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BAYOU DULAC
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DRAW BRIDGE
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FIXED
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BAYOU GRAND CAILLOU
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BRIDGE
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0 20 40 60 80 100
0 0
SECTION A-A
-10
-20
-10
-20 -20 120
EXIST. BOTTOM
AREA TO BE DREDGED
PROJECT DEPTH -10'
(MLLW)
+1' ALLOWABLE
OVERDEPTH
VARIES
E
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W
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80'
30'
10'
15'
40'
8'
90'
Flood
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GENERAL SHEET NOTES
1. CONTRACTOR SHALL VERIFY EXISTING CONDITIONS AND DIMENSIONS PRIOR TO START OF
WORK.
2. ELEVATIONS SHOWN ARE REFERENCED TO MEAN LOWER LOW WATER (MLLW), MEAN LOW
WATER (MLW) AND MEAN HIGH WATER (MHW)..
3. DREDGE AN ESTIMATED QUANTITY OF 3,026 CUBIC YARDS.
4. DREDGE TO THE DEPTH INDICATED WITH ONE FOOT OVERDEPTH.
5. DREDGE LIMITS ARE APPROXIMATE.
6. DISTANCE TO OPPOSITE BANK IS APPROXIMATELY 300 FEET.
7. PRIOR TO DREDGING, THE CONTRACTOR SHALL RAKE THE DREDGE AREA AND REMOVE
DEBRIS ENCOUNTERED.
8. CONTRACTOR SHALL COORDINATE WITH CONTRACTING OFFICER REPRESENTATIVE, UNIT
AND HARRY BOURG CORPORATION PRIOR TO COMMENCING WORK.
9. CONTRACTOR SHALL REMOVE ALL RUBBISH AND DEBRIS FROM THE PROJECT SITE DAILY;
DO NOT ALLOW TO ACCUMULATE ON SITE.
10. AS PER THE LOUISIANA DEPARTMENT OF WILDLIFE AND FISHERIES, PLACEMENT OF DREDGE
MATERIAL SHALL BE CLOSELY MONITORED AS TO PREVENT EXCESSIVE ACCUMULATION OF
SEDIMENTS SO THAT THEY DO NOT EXCEED A HEIGHT OF 18 INCHES OVER EXISTING MARSH
ELEVATIONS.
DREDGE PLAN
0 12.5' 25' 50'
EXISTING RIPRAP 4' ALL AROUND
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WOODEN PIER
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RAMP
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ROCKS
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ELECTRICAL & WATER LINES
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EXISTING BOAT RAMP
AutoCAD SHX Text DREDGE DEPTH -10' (MLLW) WITH 1' ALLOWABLE OVERDEPTH. - 10' MLLW = -9.94' MLW = -8.72' MHW
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DREDGING LIMITS
BAYOU DULAC
0 20 40 60 80 100
0 0
SECTION A-A
-10
-20
-10
-20 -20 120
EXIST. BOTTOM
AREA TO BE DREDGED
PROJECT DEPTH -8.72'
(MHW)
+1' ALLOWABLE
OVERDEPTH
VARIES
-8.72'
0 20 40 60 80 100
0 0
SECTION A-A
-10
-20
-10
-20 -20 120
EXIST. BOTTOM
AREA TO BE DREDGED
PROJECT DEPTH -9.94'
(MLW)
+1' ALLOWABLE
OVERDEPTH
VARIES
-9.94'
0 20 40 60 80 100
0 0
SECTION A-A
-10
-20
-10
-20 -20 120
EXIST. BOTTOM
AREA TO BE DREDGED
PROJECT DEPTH -10'
(MLLW)
+1' ALLOWABLE
OVERDEPTH
VARIES
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GENERAL SHEET NOTES
CROSS SECTION MLLW
CROSS SECTION MLW
CROSS SECTION MHW
1. CONTRACTOR SHALL VERIFY EXISTING CONDITIONS AND DIMENSIONS PRIOR TO START OF
WORK.
2. ELEVATIONS SHOWN ARE REFERENCED TO MEAN LOWER LOW WATER (MLLW), MEAN LOW
WATER (MLW) AND MEAN HIGH WATER (MHW)..
3. DREDGE AN ESTIMATED QUANTITY OF 3,026 CUBIC YARDS.
4. DREDGE TO THE DEPTH INDICATED WITH ONE FOOT OVERDEPTH.
5. DREDGE LIMITS ARE APPROXIMATE.
6. DISTANCE TO OPPOSITE BANK IS APPROXIMATELY 300 FEET.
7. PRIOR TO DREDGING, THE CONTRACTOR SHALL RAKE THE DREDGE AREA AND REMOVE
DEBRIS ENCOUNTERED.
8. CONTRACTOR SHALL COORDINATE WITH CONTRACTING OFFICER REPRESENTATIVE, UNIT
AND HARRY BOURG CORPORATION PRIOR TO COMMENCING WORK.
9. CONTRACTOR SHALL REMOVE ALL RUBBISH AND DEBRIS FROM THE PROJECT SITE DAILY;
DO NOT ALLOW TO ACCUMULATE ON SITE.
10. AS PER THE LOUISIANA DEPARTMENT OF WILDLIFE AND FISHERIES, PLACEMENT OF DREDGE
MATERIAL SHALL BE CLOSELY MONITORED AS TO PREVENT EXCESSIVE ACCUMULATION OF
SEDIMENTS SO THAT THEY DO NOT EXCEED A HEIGHT OF 18 INCHES OVER EXISTING MARSH
ELEVATIONS.
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GRAPHIC SCALE
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CIVIL ENGINEERING
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GENERAL SHEET NOTES
1. DISPOSAL SITE LOCATED AT COORDINATES 29.364,-90.727
2. CONTRACTOR SHALL VERIFY EXISTING CONDITIONS AND DIMENSIONS PRIOR TO START OF
WORK.
3. DREDGED MATERIAL SHALL ONLY BE PLACED ON LOCATION AND SEQUENCE AS STATED IN
CONTRACT SPECIFICATION SECTION 35 20 23 "DREDGING."
4. FINAL INSPECTION AND APPROVAL BY HARRY BOURG CORPORATION AND COR WILL BE
REQUIRED BEFORE FINAL ACCEPTANCE OF THE PROJECT.
5. AS PER THE LOUISIANA DEPARTMENT OF WILDLIFE AND FISHERIES, PLACEMENT OF DREDGE
MATERIAL SHALL BE CLOSELY MONITORED AS TO PREVENT EXCESSIVE ACCUMULATION OF
SEDIMENTS SO THAT THEY DO NOT EXCEED A HEIGHT OF 18 INCHES OVER EXISTING MARSH
ELEVATIONS.
SITE PLAN
SHRIM
PERS ROW
ZAPATA ROAD
GRAND CAILL
OU ROAD
USCG ANT DULAC
DISPOSAL SITE
LOCATION MAP
DISPOSAL SITE
(APPROX 1.25 ACRE)
SECTION
APPROX. 100' FROM ROADWAY
SHRIMPERS ROW
APPROX. 150' TO EDGE OF WATER
DREDGED SEDIMENT
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NTS
| M2436G001 |
| Sheets and Views |
| G-001 |
| M2436C001 |
| Sheets and Views |
| C-001 |
| M2436C002 |
| Sheets and Views |
| C-002 |
| M2436C003 |
| Sheets and Views |
| C-003 |
| M2436C003.pdf |
| Sheets and Views |
| C-003 |
| 2023-05-05T10:04:40-0400 | |
| PORRAS.EVA.I.1401393168 |
| 2023-05-05T10:59:54-0400 | |
| MARQUEZ.IVAN.1182527919 |
| 2023-05-12T12:55:27-0400 | |
| LESINSKI.MICHAEL.J.1072270424 |
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