6 Typical Scour Repair Section - Gwinnett County, Georgia · PDF file6 Typical Scour Repair...

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6 Typical Scour Repair Section Soil Bioengineering Existing Stream Bank Existing Riparian Buffer Log Lunker Fill Scour Hole Boulder Footer Existing Ground NOTES: Conceptual Drawings - Not for Construction W092002013ATL\Gwinnett 106.ai Not to Scale

Transcript of 6 Typical Scour Repair Section - Gwinnett County, Georgia · PDF file6 Typical Scour Repair...

Page 1: 6 Typical Scour Repair Section - Gwinnett County, Georgia · PDF file6 Typical Scour Repair Section Soil Bioengineering ... Location of diversion channel varies. Conceptual Drawings

6 Typical Scour Repair Section

Soil BioengineeringExisting Stream Bank

Existing Riparian Buffer

Log Lunker

Fill Scour Hole

BoulderFooter

Existing Ground

NOTES:Conceptual Drawings - Not for Construction

W092002013ATL\Gwinnett 106.ai

Not to Scale

Page 2: 6 Typical Scour Repair Section - Gwinnett County, Georgia · PDF file6 Typical Scour Repair Section Soil Bioengineering ... Location of diversion channel varies. Conceptual Drawings

7 Typical Scour Repair Section

NOTES:Conceptual Drawings - Not for Construction

W092002013ATL\Gwinnett 107.ai

Not to Scale

Preserve ExistingStable Stream Bank on Inside of Bends

Root Wad Toe Protectionwith Footer Boulder

Riparian Buffer

Repair Scoured Banks at Outside of Bends

Soil BioengineeringStream Bank Stabilization

Floodprone Stage

Bankfull Stage

Water Surface

Centerline of Channel

Pool

Page 3: 6 Typical Scour Repair Section - Gwinnett County, Georgia · PDF file6 Typical Scour Repair Section Soil Bioengineering ... Location of diversion channel varies. Conceptual Drawings

Existing

Riparian Buffer

Soil BioengineeringStream Bank Stabilization (typ.)

Excavate StreamBanks (typ.)

Pool

Bench

Fill Old Stream Bed

Boulder ToeProtection(optional)

Floodprone Stage

Bankfull Stage

Centerline of Channel

Inside of Bends Outside of Bends

8 Typical Pool Section

NOTES:Conceptual Drawings - Not for Construction

W092002013ATL\Gwinnett 108.ai

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Page 4: 6 Typical Scour Repair Section - Gwinnett County, Georgia · PDF file6 Typical Scour Repair Section Soil Bioengineering ... Location of diversion channel varies. Conceptual Drawings

Bankfull Stage

9 Typical Pool Section with Diversion

NOTES:Reverse typical section as necessary.Location of diversion channel varies.Conceptual Drawings - Not for Construction

Riparian Buffer

Main ChannelDiversion Channel

Pool

Centerline of Channel

Inside of Bend

Outside of Bend

Fill OldChannel Bed

Floodprone Stage

Existing Ground Water Surface

W092002013ATL\Gwinnett 109.ai

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Page 5: 6 Typical Scour Repair Section - Gwinnett County, Georgia · PDF file6 Typical Scour Repair Section Soil Bioengineering ... Location of diversion channel varies. Conceptual Drawings

Fill Old Channel Bed

Excavate StreamBanks (typ.)

Grade Control as shownin plan view

Soil BioengineeringStream Bank Stabilization(Typical)

Riparian Buffer

Floodprone Stage

Bankfull Stage

Water Surface

10 Typical Riffle Section

NOTES:Conceptual Drawings - Not for Construction

W092002013ATL\Gwinnett 110.ai

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Page 6: 6 Typical Scour Repair Section - Gwinnett County, Georgia · PDF file6 Typical Scour Repair Section Soil Bioengineering ... Location of diversion channel varies. Conceptual Drawings

Bankfull Stage

Soil BioengineeringStream BankStabilization

Floodprone Stage

Riparian Buffer

Existing Ground

Water Surface

11 Typical Riffle Section

NOTES:Conceptual Drawings - Not for Construction

W092002013ATL\Gwinnett 111.ai

Not to Scale