LSAFE_C-101.pdf
PDF 2 MB Posted
- Attached to
- Lower St. Anthony Falls Bluff Stabilization Federal contract opportunity
- Solicitation number
- W912ES25Q0024
About this file
This is an engineering drawing showing plans and specifications for rock placement at the Lower Saint Anthony Falls Lock & Dam in Minneapolis, MN. The drawing includes a plan view, typical cross sections, and detailed specifications for rock placement along a bluff.
The project involves placing 2-foot thick MNDOT Class IV rock along specified stations from 0+00 to 3+05.72, following existing contours at elevations 814.0' and 807.0'. The work includes protecting existing drains in place and maintaining an existing fence line. The plan shows detailed cross sections at different stations (A1 and A9) depicting the rock placement on 1V:1.5H slopes. The drawing is based on USGS Minnesota LIDAR data from May 2022 and 2023 aerial imagery, using NAD 83 (2011) Minnesota State Plane Coordinate System South Zone and NAVD 88 vertical datum. The project is scheduled for September 2024 and is being managed by the U.S. Army Corps of Engineers St. Paul District.
View the file
Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| W912ES25Q0024 Amendment 0001.pdf | ||
| W912ES25Q0024 Site Photos.pdf | ||
| W912ES25Q0024 Solicitation SF1442.pdf |
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Text version
AT ELEVATION 814.0'
FOLLOW EXISTING CONTOUR
START STA. 0+00
EDGE OF ROCK
CONTOUR AT ELEVATION 814.0'
END FOLLOWING EXISTING
AT STA. 0+66.55
EDGE OF ROCK
CONTOUR AT ELEVATION 807.0'
START FOLLOWING EXISTING
AT STA. 0+87.00
EDGE OF ROCK
STA. 1+20.94
EDGE OF ROCK CONTOUR AT ELEVATION 807.0'
END FOLLOWING EXISTING
AT STA. 2+49.01
EDGE OF ROCK
STOP STA. 3+05.72
EDGE OF ROCK
FOLLOWING THE TOP OF THE EXISTING BLUFF
ELEVATION 814.0' AND 807.0'
TRANSITION BETWEEN
EDGE OF ROCK
FOLLOW THE TOP OF THE EXISTING BLUFF
EDGE OF ROCK
PROTECT IN PLACE
EXISTING DRAIN
PROTECT IN PLACE
EXISTING DRAIN
PROTECT IN PLACE
EXISTING DRAIN
SEE TYPICAL SECTION A1
PLACE ROCK
SEE NOTE 3
PLACE ROCK
SEE NOTE 3
PLACE ROCK
SEE TYPICAL SECTION A9
PLACE ROCK
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SCALE: 1"=10'
TYPICAL CROSS SECTION - STA. 0+00 TO STA. 0+66.55
A9
SCALE: 1"=10'
TYPICAL CROSS SECTION - STA. 1+20.94 TO STA. 2+49.01
H1
SCALE: 1"=20'
PLAN - LOWER SAINT ANTHONY FALLS ROCK
EXISTING FENCE
EXISTING FENCE
EXISTING GRADE
EXISTING GRADE
EXISTING BLUFF EXISTING BLUFF
MNDOT CLASS IV ROCK
2' THICK
MNDOT CLASS IV ROCK
2' THICK
1V:1.5H
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780 780
800 800
820 820
840 840
0+45
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780 780
800 800
820 820
840 840
®of Engineers
US Army Corps
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0+66.55 TO STA. 1+20.94 AND STA. 2+49.01 TO STA. 3+05.72.
PLACE SINGLE LAYER OF ROCK TO COVER EXISTING GRADE BETWEEN STA. 3.
NOT DISTURB EXISTING FENCE.
CONTROL LINE APPROXIMATELY FOLLOWS THE EXISTING FENCE LINE. DO 2.
COLLECTED IN MAY 2022. AERIAL IMAGE IS FROM 2023.
EXISTING TERRAIN SOURCE DATA IS USGS MINNESOTA LIDAR DATA 1.
GENERAL NOTES
N
1V :1 .5
H
1V:1.5H
1V :1 .5
H
10' 20'0 10' 20'0
20' 40'0
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A1
A9
File details come from the government source that posted it. Updated .