191BWC25R0010 Brownsville Rev Dwgs 20250605.pdf

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Attached to
Upper Brownsville Levee
Solicitation number
191BWC25R0010
Issued by

About this file

These are construction cross-section drawings for the Upper Brownsville Levee project, prepared by Arcadis U.S., Inc. for the International Boundary and Water Commission (IBWC). The detailed engineering drawings show cross-sectional views of the levee construction at various station points (1892+00.00 to 1904+58.00), depicting existing ground, excavation limits, proposed reconstruction techniques, and geological layering.

The cross-sections illustrate complex levee reinforcement strategies including stone columns, soil mix, geotextile, clay layers, flowable fill, and new riprap. Technical specifications include vertical and horizontal scales of 1" = 10', with consistent elevation markers at +12.71 ft. The drawings provide precise engineering details for reconstructing the levee, with specific notes about slope grading, soil filter placement, and anchor trench requirements. The project is part of the Lower Rio Grande Flood Control Project and is associated with federal solicitation 191BWC25R0010, with an estimated project value exceeding $10,000,000.

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SCALE:

VERT: 1" = 10'

HORIZ: 1" = 10'

GEOTEXTILE

NOTE:

1. ALL SOIL SLOPES TO RECEIVE SOIL FILTER SHALL BE GRADED NO STEEPER THAN

2-HORIZONTAL TO 1-VERTICAL.

2. EXTEND THE SOIL FILTER DOWN SLOPE TO THE WATER LINE.

3. ANCHOR TRENCH DETAILS AND TURNDOWN ARE SHOWN SECTIONS T AND U.

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ELEVATION:(FT)

SCALE:

VERT: 1" = 10'

HORIZ: 1" = 10'

GEOTEXTILE

NOTE:

1. ALL SOIL SLOPES TO RECEIVE SOIL FILTER SHALL BE GRADED NO STEEPER THAN

2-HORIZONTAL TO 1-VERTICAL.

2. EXTEND THE SOIL FILTER DOWN SLOPE TO THE WATER LINE.

3. ANCHOR TRENCH DETAILS AND TURNDOWN ARE SHOWN SECTIONS T AND U.

4. ALL SLOPES TO RECEIVE LEVEE FILL SHALL BE BENCHED PER SECTION 35.41.00.

5. THE LOCATIONS AND WIDTHS OF THE SOIL MIX AND STONE COLUMNS ARE

SUBSURFACE PROJECTIONS BASED ON THE ORIENTATION OF THE BASELINE. THE

ACTUAL WIDTHS AND LOCATIONS ARE SHOWN ON DRAWINGS 27822-000-01 AND

27823-000-01.

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05-06-2022

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DESIGNED BY

IBWC CONTRACTOR NAME

IBWC CONTRACT/TASK ORDER

IBM15D0001 / IBM15T0015

Arcadis U.S., Inc.

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RECONSTRUCTED LEVEE

ELEVATION:(FT)

SCALE:

VERT: 1" = 10'

HORIZ: 1" = 10'

GEOTEXTILE

SOIL FILTER

CLAY

FLOWBLE FILL

MEAN WATER LEVEL (MWL)

NOTE:

1. ALL SOIL SLOPES TO RECEIVE SOIL FILTER SHALL BE GRADED NO STEEPER THAN 2-HORIZONTAL TO 1-VERTICAL.

2. EXTEND THE SOIL FILTER DOWN SLOPE TO THE WATER LINE.

3. ANCHOR TRENCH DETAILS AND TURNDOWN ARE SHOWN SECTIONS T AND U.

4. ALL SLOPES TO RECEIVE LEVEE FILL SHALL BE BENCHED PER SECTION 35.41.00.

5. THE LOCATIONS AND WIDTHS OF THE SOIL MIX AND STONE COLUMNS ARE SUBSURFACE PROJECTIONS BASED ON THE ORIENTATION OF THE BASELINE. THE ACTUAL WIDTHS AND LOCATIONS ARE SHOWN ON DRAWINGS 27822-000-01 AND 27823-000-01.

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USIBWC DRAWING NUMBER

PLANS PREPARED BY:

05-06-2022

191BWC25R0010

DESIGNED BY

IBWC CONTRACTOR NAME

IBWC CONTRACT/TASK ORDER

IBM15D0001 / IBM15T0015

Arcadis U.S., Inc.

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EXCAVATION LIMIT

100-year WSE

NEW RIPRAP

ACBM REVETMENT

FLEX ANCHOR

36Ø STONE COLUMN

SOIL MIX

RECONSTRUCTED LEVEE

ELEVATION:(FT)

SCALE:

VERT: 1" = 10'

HORIZ: 1" = 10'

GEOTEXTILE

SOIL FILTER

CLAY

FLOWBLE FILL

MEAN WATER

LEVEL (MWL)

NOTE:

1. ALL SOIL SLOPES TO RECEIVE SOIL FILTER SHALL BE GRADED NO STEEPER THAN 2-HORIZONTAL TO 1-VERTICAL.

2. EXTEND THE SOIL FILTER DOWN SLOPE TO THE WATER LINE.

3. ANCHOR TRENCH DETAILS AND TURNDOWN ARE SHOWN SECTIONS T AND U.

4. ALL SLOPES TO RECEIVE LEVEE FILL SHALL BE BENCHED PER SECTION 35.41.00.

5. THE LOCATIONS AND WIDTHS OF THE SOIL MIX AND STONE COLUMNS ARE SUBSURFACE PROJECTIONS BASED ON THE ORIENTATION OF THE BASELINE. THE ACTUAL WIDTHS AND LOCATIONS ARE SHOWN ON DRAWINGS 27822-000-01 AND 27823-000-01.

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BASELINE

BASELINE

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PROJECT BASELINE

BASELINE

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IFB/RFP NUMBER CONTRACT NUMBER

CONTRACTOR/DESIGNER DRAWING NUMBER

USIBWC DRAWING NUMBER

PLANS PREPARED BY:

05-06-2022

191BWC25R0010

DESIGNED BY

IBWC CONTRACTOR NAME

IBWC CONTRACT/TASK ORDER

IBM15D0001 / IBM15T0015

Arcadis U.S., Inc.

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CROSS SECTIONS

SHEET 27

27836-000-02

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N ot es a nd a dd ed

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LEGEND

EXISTING GROUND

EXCAVATION LIMIT

100-year WSE

NEW RIPRAP

ACBM REVETMENT

FLEX ANCHOR

36Ø STONE COLUMN

SOIL MIX

RECONSTRUCTED LEVEE

ELEVATION:(FT)

SCALE:

VERT: 1" = 10'

HORIZ: 1" = 10'

GEOTEXTILE

SOIL FILTER

CLAY

FLOWBLE FILL

MEAN WATER LEVEL (MWL)

NOTE:

1. ALL SOIL SLOPES TO RECEIVE SOIL FILTER SHALL BE GRADED NO STEEPER THAN

2-HORIZONTAL TO 1-VERTICAL.

2. EXTEND THE SOIL FILTER DOWN SLOPE TO THE WATER LINE.

3. ANCHOR TRENCH DETAILS AND TURNDOWN ARE SHOWN SECTIONS T AND U.

4. ALL SLOPES TO RECEIVE LEVEE FILL SHALL BE BENCHED PER SECTION 35.41.00.

5. THE LOCATIONS AND WIDTHS OF THE SOIL MIX AND STONE COLUMNS ARE

SUBSURFACE PROJECTIONS BASED ON THE ORIENTATION OF THE BASELINE. THE

ACTUAL WIDTHS AND LOCATIONS ARE SHOWN ON DRAWINGS 27822-000-01 AND

27823-000-01.

File details come from the government source that posted it. Updated .