M2436C003-Revised.pdf
PDF 4 MB Posted
- Solicitation number
- PN20262753
About this file
This document contains plans and specifications for a federal dredging contract. The contract involves dredging the boat basin at the U.S. Coast Guard Aids to Navigation Team Dulac facility in Louisiana to maintain navigable depths. Work will include furnishing all labor, supervision, equipment, materials, and tools to dredge sediments from the boat basin and pump the material through a hydraulic pipeline approximately 1.4 miles to an approved upland disposal site located near Shrimpers Row. The maximum disposal area is 3.75 acres and dredged material must be graded no higher than 6 inches above the surrounding elevation. Erosion control measures are required, and the contractor must adhere to all state statutes and department regulations regarding dredging and fill materials. The solicitation was issued by the U.S. Coast Guard under solicitation number PN20262753.
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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. UNIFORMLY GRADE AND ALLOW FOR SHRINKAGE OF THE DEPOSITED DREDGE MATERIAL WITHIN THE DISPOSAL
AREA. PLACEMENT OF DREDGE MATERIAL SHALL BE CLOSELY MONITORED AS TO PREVENT EXCESSIVE ACCUMULATION OF SEDIMENTS SO THAT THEY DO NOT EXCEED A HEIGHT OF 6 INCHES OVER THE EXISTING
MARSH ELEVATIONS.
6. PROVIDE AND MAINTAIN ANY NECESSARY BULKHEADS, DIKES, DITCHES, AND OTHER CONSTRUCTION NECESSARY
TO RETAIN THE DREDGED MATERIAL WITHIN THE DISPOSAL AREA.
7. CONTRACTOR SHALL INSTALL ADEQUATE EROSION CONTROL/SILTATION CONTROL MEASURES AROUND CONSTRUCTION AREAS THAT REQUIRE LAND BASED EARTHWORK (I.E. EXCAVATION AND/OR DEPOSITION OF FILL MATERIALS, LAND CONTOURING, MACHINERY RUTTING, FILL MANEUVERING AND REDISTRIBUTION, ETC.), TO ENSURE THAT NO PROJECT RELATED SEDIMENTS, DEBRIS AND OTHER POLLUTANTS ENTER ADJACENT WETLANDS OR WATERS. ACCEPTABLE MEASURES INCLUDE BUT ARE NOT LIMITED TO THE PROPER USE AND POSITIONING OF TEMPORARY SILT FENCES, STRAW BALES, FIBER/CORE LOGS, WOODEN BARRIERS, SEEDING OR SODDING OF EXPOSED SOILS, OR OTHER APPROVED EPA CONSTRUCTION SITE STORM-WATER RUNOFF CONTROL AND BEST PRACTICES. CONTROL TECHNIQUES SHALL BE INSTALLED PRIOR TO THE COMMENCEMENT OF EARTHWORK ACTIVITIES AND MAINTAINED UNTIL THE PROJECT IS COMPLETE AND/OR THE SUBJECT AREAS ARE
STABILIZED.
8. UPON COMPLETION OF CONSTRUCTION ACTIVITIES, OR IF CONSTRUCTION ACTIVITIES CEASE FOR MORE THAN 14 DAYS, ALL DISTURBED SOILS SHALL BE RE-VEGETATED BY SOD, SEED, OR ANOTHER ACCEPTABLE METHOD TO
RESTORE COVER AND PREVENT EROSION.
9. CONTRACTOR SHALL ADHERE TO ALL STATE STATUTES (R.S. 56:2011 ET SEQ.) AND DEPARTMENT REGULATIONS (LAC 76:XIII.101 ET SEQ.) CONCERNING DREDGING OF FILL SAND AND FILL MATERIAL FROM WATER BOTTOMS OF
THE STATE OF LOUISIANA AND SEVERANCE ROYALTIES.
DISPOSAL SITE
SHRIM
PERS ROW
ZAPATA ROAD
GRAND CAILL
OU ROAD
USCG ANT DULAC
DISPOSAL SITE
DISPOSAL SITE
MAX AREA: 3.75 ACRE
SECTION
APPROX. 100' FROM ROADWAY
SHRIMPERS ROW
APPROX. 80' TO EDGE OF WATER
DREDGED SEDIMENT TO BE
GRADED NO HIGHER THAN 6"
ABOVE SURROUNDING AREA
ELEVATION
LOCATION MAP
PROPOSED ROUTE FOR
HYDRAULIC DREDGE PIPELINE
APPROXIMATE 1.4 MI
200'
820'
200' MAX
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