35 41 00 GOE2 Levee Site Maps-Amended.pdf

Dean Lake

Railroad

Highway M

Potter

Slough

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Garden of Eden Drainage District - Item No. 139 Section 2 B-1 Site Map

In-Place Repair Landside Slope Failure (Slide)

Station 88+15 to 93+90 Excavation of Failed Material

& Construction of Stability Berm

0 0.15 0.30.075 Miles

Borrow "A"

Borrow "B"

BORROW AREAS "A" & "B"

Borrow "A" will be utilized for repairs at Station 48+40 to 51+40 & 73+00 to 76+65.

Borrow will only be taken within the designated flagged area located in the borrow field not to impact any standing timber. (Approximate overall size of borrow field is 157 AC).

Borrow "B" will be utilized for repairs at Station 88+15 to 93+90.

Borrow will only be taken within the designated flagged area located in the borrow field not to impact any standing timber. (Approximate overall size of borrow field is 323 AC).

In-Place Repair Landside Slope Failure (Slide)

Station 48+40 to 51+40 Excavation of Failed Material

& Construction of Stability Berm

In-Place Repair Breach

Station 73+00 to 76+65 W/ Construction of Stability Berm

GENERAL NOTES:

Contractor will access from State road and travel on dirt farm road to construction site.

REPAIR DESCRIPTIONS:

Staging Area Will Be

Within The Limits Of 200' Landward From The

Construction Site

Bosworth River

Access

88+95 R/S Ramp

163+58 Ramps

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Garden of Eden Drainage District - Item No. 139 Section 2 B-2 Site Map

IN-PLACE

BREACH REPAIR

Station 125+00 to

Station 126+65

In-Place Repair Landside Slope Failure (Slide)

Station 149+00 to 154+50 Excavation of Failed Material

& Construction of Stability Berm

Borrow "B" Borrow "B" will be utilized for repairs at Station 125+00 to Station 126+65 Breach

Repair.

Borrow will only be taken within the designated flagged area located in the borrow field not to impact any standing timber. Borrow utilized evenly over designated area.

(Approximate overall size of borrow field is 323 AC)

Borrow "C" Borrow "C" will be utilized for repairs at Station 125+00 to Station 126+65 Landside

Slope Failure Borrow will only be taken within the designated flagged area located in the borrow field

Borrow utilized evenly over designated area.

(Approximate overall size of borrow field is 73 AC)

REPAIR DESCRIPTIONS:

Staging Area Will Be

Within The Limits Of 200' Landward From The

Construction Site

GENERAL NOTES:

Contractor will access from State

Road and travel on farm roads to both construction sites.

BORROW NOTES:

Material will be removed in a manner that no ponding areas remain.

Ca tta il L n

Highway M

Grand River

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Garden of Eden Drainage District - Item No. 139 Section 2 B-3 Site Map

Breach Statioin 333+75 to 337+00

IN-PLACE REPAIR:

Intermittent Riverside

Slope Erosion Station 259+00 to 321+25

0 0.1 0.20.05 Miles

REPAIR:

Landward Levee Setback

Station 321+25 = Station 0+00 Station 336+75 = Station 15+50

BORROW AREAS:

The hatched area indicates borrow materials located riverward of the newly constructed landward levee setback. Material will be removed in a manner that encourages positive drainage away from newly constructed levee. (Approx. 2.5 AC) Remaining riverward segments of the existing levee embankment will also be utilized in a manner that utilizes all remaining portions of the levee and maintaining positive drainage.

(Approx. 2.0 AC)

BORROW AREA:

The Cross-hatched area indicates borrow materials to be utilized for repairs from Station 259+00 to

Station 321+25 to be utilized by proximity to the repairs.

Material will be utilized in an even manner ensuring no ponding areas will remain.

(Approx. 40.0 AC)

REPAIR DESCRIPTIONS:

Staging Area Will Be

Within The Limits Of 200' Landward From The

Construction Site

GENERAL NOTES:

Contractor will access from State Road and travel on dirt farm road to the construction site.

BORROW NOTES:

Material will be removed in a manner that no ponding areas remain.

Excavate Failed Levee Embankment Slope

Existing Grade Lines

Existing Applicable Levee Slope (No Damage)

Re-Construct Levee Embankment With Stability Berm At Ends of Berms

Construction will Be 1'V. on 3' H Slopes

20'

C/L

Drawing Not To Scale

1' V. on 20' H.

Levee Embankment Slope Failure (Slide)

Damage Line

1' V. on 3' H.

1' V. on 3' H.

DAMAGE LOCATIONS

Landside Slope Failure (Slide)

Sta. 48+40 to 51+40 Sta. 88+15 to 93+90

Sta. 149+00 to 154+50

*Match Crown Width of Existing Levee Crown at

Undamaged End Sections

Lanside Riverside

TYPICAL REPAIR SECTION

Landside Slope Failure (Slide)

Garden of Eden Drainage District - Section 2 C-1 Drawing

General Note:

Contractor discretion to displace water by fill placement or pumping activities

12'

C/L

1' V. on 3' H. 1' V. on 3' H.

Natural Ground Approx. Elev.

Scoured Area Scour Line

1' V. on 50' H. to Toe-Out

Natural Ground Approx. Elevation

Riverside LandsideText

TYPICAL REPAIR SECTION

Breach Station 73+00 to 76+65 Breach Station 125+00 to 126+65

Drawing Not To Scale

Approx. E. 100.0

Approx. Water Surface Elevation

Garden of Eden Drainage District - Section 2 C-2 Drawing

General Note:

Contractor discretion to displace water by fill placement or pumping activities

C/L Existing LeveeC/L Landward Levee Setback

Maximum Setback 200'

Landside Riverside

New Landward Levee Setback Repair

(12' Crown 1 on 3 Slopes)

Existing Grade Line

Drawing Not To Scale

In-Place Repair Line

Water Surface Grand River

Stone Fill Revetment Structure

Existing Grade Line

Breach w/ Foundation Scouring Station 333+75 to Station 337+00

Garden of Eden - Item No. 139 Section 2 ATT C-3 Drawing