Appendix E—Conceptual Design Sketches of Representative ... · Appendix E—Conceptual Design Sketches of Representative Stream Restoration Projects. TR2.1-02 #5 Buffer Enhancement

Appendix E—Conceptual Design Sketches ofRepresentative Stream Restoration Projects

TR2.1-02 #5Buffer Enhancement/

Preservation

Peach

tree

Corn

ers

Jimm

yCarter

Spalding Drive

Bay

Colony

Jay Bird

Peachtre

e Industr

ial

Old Peachtree

Peachtre

e Industr

ial

Holcom

bBridge

Tributary 2

Tributary 2.2

Tributary 2.1

Upper Crooked Creek

Tributary A

TR2.1-02 #2Spot Repair

TR2.1-02 #3Spot Repair

APPROXIMATE SCALE

0 2000 4000 8000 Feet

Lower Crooked Creek

TR3.2-01 #2Type 3/4 Restoration

CC-03 #4Type 1/2 Restoration

CC-01 #2Type 1/2 Restoration

Gwinnett County Conceptual Sketches

Index of Sheets Vicinity MapSub-Watersheds and Project Locations

Prepared by:

115 Perimeter Center Place N.E.Suite 700

Atlanta, GA 30346

Prepared for:

Gwinnett County

LEGEND

Project Area

Sub-Watershed

Hydrology

Streets

Crooked Creek Stream Restoration

CC-01 #2

Sheet 1 of 3

Sheet 2 of 3

Sheet 3 of 3

CC-03 #4

Sheet 1 of 3

Sheet 2 of 3

Sheet 3 of 3

TR2.1-02 #5

Sheet 1 of 2

Sheet 2 of 2

TR2.1-02 #2 and #3

Sheet 1 of 2

Sheet 2 of 2

TR3.2-01 #2

Sheet 1 of 5

Sheet 2 of 5

Sheet 3 of 5

Sheet 4 of 5

Sheet 5 of 5

Sheet Name

W012003001ATL \ TitleSheet.ai

W092002013ATL\CC100.ai

CC-01, #2Sheet 1 of 3

Type 1 and 2 Stream RestorationConceptual Sketches – Not For Construction

Crooked Creek

Match Line with Top of CC-01, #2 Sheet 2 of 3

J-Hook Vane (Typical)

Cross Vane (Typical)

Not to Scale

7

7

Detail Title Number

J-Hooks 1

Cross Vane 2

Scour Repair 7

Typical Riffle Cross-Section 11

11

11

DETAILS

Crooked Creek

LEGEND

Typical Cross-SectionLocation & Detail Number

Created Pool

Creek

Tributary

Thalweg (Flowline)

Riparian Area

Stream Buffer Boundary

Top of Bank

Topographical Line

Boulders

Root Wad

Debris Jam

Utility Protection Area

Sewer Line

1 1

High Tractive Force Soil Bioengineering

Low Tractive Force Soil Bioengineering

Mat

ch L

ine

with

Lef

t of C

C-0

1, #

2 S

heet

3 o

f 3

Match Line with Bottom of CC-01, #2, Sheet 1 of 3

Remove Debris Jam

Remove Debris Jam

J-Hook Vane(Typical)

Crooked C

reek

7

7

Existing Pond

Existing Pond

11

11

W092002013ATL\CC101.ai



Crooked Creek

Not to Scale

Detail Title Number

J-Hooks 1

Scour Repair 7


DETAILS

LEGEND


Created Pool

Creek

Tributary

Thalweg (Flowline)

Riparian Area


Top of Bank

Topographical Line

Boulders

Root Wad

Debris Jam


Sewer Line

1 1



Mat

ch L

ine

with

Bot

tom

-Rig

ht o

f CC

-01,

#2,

She

et 2

of 3

J-Hook Vane(Typical)

Trib 7-01

Tie to Trib 7Improvements

Cross Vane(Typical)

Multi-Barrel ReinforcedConcrete Box CulvertRoadway Crossing

MeadowRue

Drive

J-Hook Vane

77

1111

W092002013ATL\CC102.ai



Crooked Creek

Not to Scale

Detail Title Number

J-Hooks 1

Cross Vane 2

Scour Repair 7


DETAILS

LEGEND


Created Pool

Creek

Tributary

Thalweg (Flowline)

Riparian Area


Top of Bank

Topographical Line

Boulders

Root Wad

Debris Jam


Sewer Line

1 1



Cross Vane

Fill Old Channel

Pond Outfall

Match Line with Top of CC-03, #4, Sheet 2 of 3

Roadway Culvert 3@80" CMP.

99

11

11

Glenleaf Drive

W092002013ATL\CC103.ai

CC-03 #4

Sheet 1 of 3Type 1 and 2 Stream Restoration

Conceptual Sketches – Not For ConstructionCrooked Creek

Not to Scale

Detail

Title Number

Cross Vane 2

Typical PoolCross-Sectionw/Diversion

9


DETAILSLEGEND


Created Pool

Creek

Tributary

Thalweg (Flowline)

Pond

Marsh

Riparian Area

Fill Old Channel


Top of Bank

Topographical Line

Sluice Gate

Boulders


Sewer Line

Building

1 1


Pond Outfall

Diversion

Marsh

Diversion

Cross VanetService Gate

Pond

Fill Old Channel

CrookedCreekCC

-03

Marsh

Pond

Pond Outfall

Match Line with Bottom of CC-03, #4, Sheet 1 of

Match Line with Top of CC-03, #4, Sheet 3 of 3

Cross Vane (Typical)

CrookedCree

kCC-03

Fill Old Channel

Cross VanetService Gate

Pond

11

11

9

9

W092002013ATL\CC104.ai

CC-03 #4



Detail

Title Number

Cross Vane 2

DETAILS

Not to Scale

Typical PoolCross-Sectionw/Diversion 9


LEGEND


Created Pool

Creek

Tributary

Thalweg (Flowline)

Pond

Marsh

Riparian Area

Fill Old Channel


Top of Bank

Topographical Line

Sluice Gate

Boulders


Sewer Line

Building

1 1


11

11

Pond

Marsh

Diversion

Cross Vane

Service Gate

Fill Old Channel

Match Line with Bottom of CC-03, #4, Sheet 2 of 3

9

9

Cross Vane

W092002013ATL\CC105.ai

CC-03 #4



LEGEND


Created Pool

Creek

Tributary

Thalweg (Flowline)

Pond

Marsh

Riparian Area

Fill Old Channel


Top of Bank

Topographical Line

Sluice Gate

Boulders

Sewer Line

Building

1 1

Detail

Title Number

Cross Vane 2

DETAILS

Not to Scale

Typical PoolCross-Sectionw/Diversion 9



14

14

14

14

Remove Debris Jam

Remove Pipe

Outlet

Wet MeadowsEnergy Dissipator

Existing Buffer

Enhance Buffer

Enhance Buffer

PreserveRiparian Zone

Existing Buffer

Trib. 2.1 to Crooked Creek

Atlantic B

oule

vard

Holcomb Bridge Road

ExistingRoadwayCulvert

Remove Pipe

Catch Basin ProposedStorm Drain

Outlet

Remove Pipe

Outlet

Wet MeadowEnergy Dissipator

Mat

ch L

ine

with

Lef

t of T

R2.

1-02

#5,

She

et 2

of 2

Parking Lot

Parking Lot

W092002013ATL\TR 100.ai

Not to Scale

TR2.1-02 #5

Sheet 1 of 2Buffer Enhancement / Preservation


LEGEND


Created Pool

Creek

Tributary

Thalweg (Flowline)

Marsh

Buffer

Riparian Area


Top of Bank

Topographical Line

Proposed Contour Line

Aquatic/Emergent Plants

Boulders

Rock Outcropping/Waterfall


Sewer Line

Building

1 1

Detail

Title Number

Stream Buffer 13

Wet Meadow 14

DETAILS

Spot RepairTypical Section 15

Live Fascine SoilBioengineering


Existing RockOutcropping/Waterfall

Trib. 2.1 to Crooked Creek

Holcomb Bridge Road

Existing RockOutcropping/Waterfall

Trail andView Area

Sidewalk

Preserve/EnhanceExisting Riparian Area

Remove Pipe

ExistingCatch Basin

ProposedWater Quality

Inlet

Wet MeadowEnergy Dissipator

RemoveDebris Jam

Cross Vane

Remove Pipe

Add Junction Box

ExistingCurb and Gutter

Driveway Opening

14

14

1515

Mat

ch L

ine

with

Rig

ht o

f TR

2.1-

02 #

5, S

heet

1 o

f 2

Log ToeProtection

Driveway Opening

W092002013ATL\TR 101.ai

Not to Scale

TR2.1-02 #5

Sheet 2 of 2Buffer Enhancement / Preservation


LEGEND


Created Pool

Creek

Tributary

Thalweg (Flowline)

Marsh

Buffer

Riparian Area


Top of Bank

Topographical Line

Proposed Contour Line


Boulders


Logs

Lunker Toe Protection

Trail/View Area


Sewer Line

Building

1 1

Detail

Title Number

Stream Buffer 13

Wet Meadow 14

DETAILS

SoilBioengineering 15




PreserveRiparian Area

J-Hook Vane

Existing2@10'x10'

Existing2@10'x10' RCBC

RemoveSediment Deposits

W-Weir

Pea

chtree

Par

kway

Peachtree In

dustrial B

lvd.

Peach

tree P

ark

way

Peachtree In

dustrial B

lvd.

Peachtr

ee P

ark

way

Mat

ch L

ine

with

Lef

t of T

R2.

1-02

, #2

and

#3 S

heet

2 o

f 2

W092002013ATL \ TR107.ai

TR2.1-02 #2 and #3

Sheet 1 of 2Spot Repair Culvert


LEGEND

Created Pool

Creek

Tributary

Thalweg (Flowline)

Riparian Area


Top of Bank

Topographical Line

Sediment Removal Area

Boulders

Sewer Line

Detail

Title Number

J-Hook 1

W-Weir 2

DETAILS

Not to Scale


PreserveRiparian Area

RemoveSediment Deposits

Cross Vane

Remove Debris Jam

W-Weir

Exist2@10'x10'RCBC

5

5

Pea

chtree

Indust

rial

Blv

d.

Peachtree In

dustrial B

lvd.

Mat

ch L

ine

with

Rig

ht o

f TR

2.1-

02, #

2 an

d #3

She

et 1

of 2

Not to Scale

W092002013ATL \ TR108.ai

TR2.1-02 #2 and #3

Sheet 2 of 2Spot Repair Stream Bank


LEGEND


Created Pool

Creek

Thalweg (Flowline)

Riparian Area


Top of Bank

Topographical Line

Sediment Removal Area

Debris Jam

Root Wad

Boulders

Sewer Line

Building

Detail

Title Number

Cross Vane 2

W-Weir 2

DETAILS

1 1

Scour Repairat Culvert 5



Trib3.2

toC

rookedC

reek

Trib3

toC

rookedC

reek2 @ 48" RCP Culvert

Match Line with Top of TR3.2-01 #2, Sheet 2 of 5

W092002013ATL\TR 102.ai

Not to Scale

Bay Colony Drive

TR3.2-01 #2

Sheet 1 of 5Type 3 Stream Restoration


LEGEND

Creek

Thalweg (Flowline)

Riparian Area


Topographical Line

Debris Jam


Sewer Line

Cross Vane

Remove Debris Jam

Log Vanes

Trib. 3.2

SelectiveVegetation Management

See Detail 12

Log Vanes

CrossVane

Remove Debris Jam

Ditch10

10

8

8


Cross Vane


W092002013ATL\TR 103.ai

Not to Scale

TR3.2-01 #2



LEGEND


Created Pool

Creek

Thalweg (Flowline)

Riparian Area


Top of Bank

Topographical Line

Boulders

Debris Jam

Log Vane


Sewer Line

1 1

Detail

Title Number

Cross Vane 2

Log Vane 4

DETAILS

SelectiveVegetationManagement 12


Typical Pool Cross-Section 8



Repair Buffer

Cross Vane

Cross Vane

Gabion Revetment@ S.S.M.H.

Remove Debris Jam

J Hook Vanes

Remove Debris Jam

Remove Debris Jam

Trib.

3.2

Cross Vane

ParkingLot

Remove Debris Jam

10

10


Match Line with Bottom of TR3.2-01 #2, Sheet 2 of 5

PreserveRiparian Zone

8

8

W092002013ATL\TR 104.ai

Not to Scale

TR3.2-01 #2



LEGEND


Created Pool

Creek

Tributary

Thalweg (Flowline)

Riparian Area

Buffer Zone


Top of Bank

Topographical Line

Boulders


Debris Jam

Building


Sewer Line

1 1

Detail

Title Number

J-Hooks 1

Cross Vane 2

DETAILS


Stream Buffer 13

Typical PoolCross Section 8

Sanitary Sewer Manhole(SSMW)



Stream PreservationArea

Cross Vane

Cross Vane

Existing Pond

Exiting Pipe Outlet from Pond

PreserveFloodplain

Terrace

Wet MeadowEnergy

8

8

10

10

14 14

Mat

ch L

ine

with

Rig

ht o

f TR

3.2-

01 #

2, S

heet

5 o

f 5Match Line with Bottom of TR3.2-01 #2, Sheet 3 of 5

PreserveFloodplain

Terrace

ParkingLot

W092002013ATL\TR105.ai

Not to Scale

TR3.2-01 #2



LEGEND


Created Pool

Creek

Thalweg (Flowline)

Riparian Area


Top of Bank

Topographical Line

Boulders


Debris Jam

Building


Sewer Line

1 1

Detail

Title Number

Cross Vane 2

DETAILS

Wet Meadow 14

Stream Buffer 13


Typical PoolCross Section 8





6

6

Repair Scour

11

11

Stream PreservationArea

ParkingLot

ParkingLot

Mat

ch L

ine

with

Lef

t of T

R3.

2-01

#2,

She

et 4

of 5

W092002013ATL\TR106.ai

Not to Scale

TR3.2-01 #2



LEGEND


Created Pool

Creek

Thalweg (Flowline)

Riparian Area


Top of Bank

Topographical Line

Log Vane

Logs


Building


Sewer Line

1 1

Detail

Title Number

Scour Repair 6

DETAILS




NOTES:Reverse typical section as necessaryConceptual Drawings - Not for Construction

1 Typical J-Hook Vane

Pool

Tie Bouldersto Banks(typ.)

1/3 W

A

Water at Bankfull

20°- 30°A

Not to Scale

Footer Boulders(typ.)

Water at Bankfull

Water Surface

Plan View

W092002013ATL\Gwinnett 101.ai

2 Typical Cross Vane

NOTES:Conceptual Drawings - Not for Construction


A A

Water at Bankfull

1/3 W1/3 W 1/3 W

Tie Bouldersto Banks(typ.)

20°- 30°

Not to Scale

Plan View


Water at Bankfull

Water Surface

3 Typical W-Weir



A A

Water at Bankfull

Not to Scale


Water at Bankfull

Water SurfaceReduce to 1/2 Bankfull

Plain View

Width (w) at Bankfull

A

A

4 Typical Log Vane

NOTES:Reverse typical section as necessaryConceptual Drawings - Not for Construction


Not to Scale

Water Surface

Width (w) at Bankfull


Root Wad Toe Protectionwith Footer Boulder

Riparian Buffer

Remove SedimentDeposit

Floodprone Stage

Bankfull Stage

Water Surface

Centerline of Channel

Existing Ground

Fill Channel

5 Typical Scour Repair at Culvert Section



Not to Scale

Documents

Appendix E—Conceptual Design Sketches of Representative ... · Appendix E—Conceptual Design Sketches of Representative Stream Restoration Projects. TR2.1-02 #5 Buffer Enhancement