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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
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
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
Not to Scale
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
Not to Scale
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
Not to Scale
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