Amendment 0003 LD7OD_C-320.pdf
PDF 234 KB Posted
- Attached to
- Lock & Dam 7 Outdraft Modification
- Solicitation number
- W912ES25BA001
About this file
This document is a technical cross-section drawing for the Lock & Dam 7 Outdraft Modification project located in La Crescent, Minnesota. The drawing, prepared by the U.S. Army Corps of Engineers St. Paul District, displays detailed cross-sections at three specific stations (D 9+28, D 9+42, and D 10+53.10), illustrating existing grade, existing weir, dog-leg weir, excavation grade, and scour protection configurations. The technical drawing uses NAD 83 (2011) coordinate system with NAVD 88 elevation datum and includes precise elevation measurements, slope ratios, and graphical representations of terrain modifications at different cross-section points along the Mississippi River lock and dam infrastructure.
The drawing is part of the solicitation W912ES25BA001, which is a small business set-aside contract valued between $5 million and $10 million, targeting NAICS code 237990 with a small business size standard of $45 million. The project involves construction of a mooring cell and mooring dolphin to improve navigation efficiency, with technical specifications meticulously documented in this cross-section drawing that provides engineers and contractors detailed topographical and structural information for the proposed modifications.
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Text version
A N
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SCALE: 1"=20'
CROSS SECTIONS - STA D 9+28, D 9+42, AND D 10+53.10
EXISTING GRADE
EXISTING WEIR
DOG-LEG WEIR
EXCAVATION GRADE
EXISTING WEIR
EXISTING WEIR
EXISTING GRADE
EXISTING GRADE
DOG-LEG WEIR
DOG-LEG WEIR
SCOUR PROTECTION
EXCAVATION GRADE
SCOUR PROTECTION
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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D 9+28
-140 -120 -100 -80 -60 -40 -20 0 20 40 60 80 100
580 580
600 600
620 620
640 640
660 660
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D 9+42
-140 -120 -100 -80 -60 -40 -20 0 20 40 60 80 100
580 580
600 600
620 620
640 640
660 660
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D 10+53.10
-140 -120 -100 -80 -60 -40 -20 0 20 40 60 80 100
580 580
600 600
620 620
640 640
660 660
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