Amendment 0003 LD7OD_C-317.pdf
PDF 353 KB Posted
- Attached to
- Lock & Dam 7 Outdraft Modification
- Solicitation number
- W912ES25BA001
About this file
This document is a technical drawing showing cross-sections for Lock & Dam 7 Outdraft Modification located on the Mississippi River near La Crescent, Minnesota. The detailed engineering drawing (Sheet C-317) depicts cross-sectional views from station D 9+40 to D 9+70, illustrating existing grade, excavation grade, existing weir configurations, and proposed modifications. The drawing includes precise elevation measurements, slope ratios, and notations for scour protection and a dog-leg weir. The cross-sections provide engineering details for the U.S. Army Corps of Engineers project, with horizontal control using NAD 83 (2011) Minnesota State Plane Coordinate System and vertical control using NAVD 88 datum. The drawing was revised in May 2025 for Amendment 0003 and is part of the solicitation W912ES25BA001 for a small business set-aside construction project valued between $5-10 million.
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Text version
A N
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SCALE: 1"=20'
CROSS SECTIONS - STA D 9+40 TO D 9+70
EXISTING GRADE
EXCAVATION GRADE
EXISTING WEIR
NOTCH
EXISTING WEIR
EXISTING WEIR
EXISTING WEIR
EXISTING WEIR
EXISTING WEIR
EXCAVATION GRADE
EXCAVATION GRADE
EXCAVATION GRADE
EXCAVATION GRADE
EXCAVATION GRADE
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EXISTING GRADE
EXISTING GRADE
EXISTING GRADE
EXISTING GRADE
EXISTING GRADE
SCOUR PROTECTION
DOG-LEG WEIR
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D 9+40
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D 9+52.89
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620 620
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620 620
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