THE STEPBY STEPS: as posted on the FTP site

1
THE STEP-BY STEPS as posted on the FTP site
2
Cross-section of Eroded Bank
3
sand bed stream Longitudinal Peaked Stone Toe
Protection (LPSTP) Upper bank sloped and
vegetated
4
- sand bed stream - LPSTP Upper bank sloped and
vegetated
Longitudinal Peaked Stone Toe Protection (LPSTP)
with side slopes at the angle of repose

• LOCKED LOG locked under LPSTP (for aquatic
  habitat)

5
- sand bed stream - LPSTP Upper bank sloped and
vegetated
The stream will adjust to the LPSTP, the LPSTP
will self-adjust to armor the resulting scour hole

• Scour hole

6
- sand bed stream - LPSTP Upper bank sloped and
vegetated
The LPSTP has self-adjusted
7
- sand bed stream - LPSTP Upper bank sloped and
vegetated
Install Live Siltation
8
- sand bed stream - LPSTP Upper bank sloped and
vegetated
Install gravel-cobble granular filter
9
- sand bed stream - LPSTP Upper bank sloped and
vegetated
Slope bank (balanced cut/fill)
CUT
FILL
10
- sand bed stream - LPSTP Upper bank sloped and
vegetated
Sloped bank
11
- sand bed stream - LPSTP Upper bank sloped and
vegetated
To install Brush Layering, remove soil
12
- sand bed stream - LPSTP Upper bank sloped and
vegetated
Install plant material as Brush Layering
13
- sand bed stream - LPSTP Upper bank sloped and
vegetated
Backfill and install second layer of Brush
Layering, etc.
14
- sand bed stream - LPSTP Upper bank sloped and
vegetated
Install rooted-stock plants
15
- sand bed stream - LPSTP Upper bank sloped and
vegetated
Soil-choke LPSTP
16
- sand bed stream - LPSTP Upper bank sloped and
vegetated
Hydroseed all disturbed areas
17
DONE
18
QUESTIONS???
19
ONONDAGA CREEK _at_ NICHOL ROAD BRIDGE,
LAFAYETTE, NY
20
Blue lines denote waters edge at base flow
bar
Nichol Road Bridge
Onondaga Creek _at_ Nichol Road Bridge-Sketch from
Mark Schaub
21
Top layer of stone will be removed from red
areas. The US section of the left bank will then
be sloped all areas planted.
22
Removed stone will be then placed in the brown
areas using the trenchfill technology to provide
a funnel effect to prevent the stream from
flanking the existing project.
23
100 Black Willow, 2,000 Streamco Willow, 500 Red
Osier Dogwood 100 Sycamore were planted using
the Slit Trench Brush Layering
bioengineering methods. 40 RPM container plants
(7 species of trees shrubs) were planted in the
green oval areas. Black Willow Sycamore
Extreme Instant Shade shown by the orange lines.
Note Plantings form a grid
24
TWO-STAGE SLIT TRENCH TECHNIQUE
Spoil
Dig the trench down into the capillary (vadose)
zone moist area above the permanent water table
Sketches by Derrick
Mini-Case study 1 of 8
25
TWO-STAGE SLIT TRENCH TECHNIQUE
Water table
Mini-Case study 2 of 8
26
TWO-STAGE SLIT TRENCH TECHNIQUE
Vadose zone moist area is shown in pink
Water table
Mini-Case study 3 of 8
27
TWO-STAGE SLIT TRENCH TECHNIQUE
Take the last scoop of soil dug from the trench
place it back into the trench.
Mini-Case study 4 of 8
28
TWO-STAGE SLIT TRENCH TECHNIQUE
Place willows other water-loving species into
loose soil at bottom of trench. They are then
less likely to fall over when trench is
backfilled.
Mini-Case study 5 of 8
29
TWO-STAGE SLIT TRENCH TECHNIQUE
Partially backfill the trench.
Mini-Case study 6 of 8
30
TWO-STAGE SLIT TRENCH TECHNIQUE
Plant other species that require less water than
the willow. In this case Sycamore Red Osier
Dogwood
Mini-Case study 7 of 8
31
TWO-STAGE SLIT TRENCH TECHNIQUE
DONE
Backfill water plants in
Mini-Case study 8 of 8
32
ONONDAGA CREEK SITE 5-D Diamond-Oriented
Traffic Control Stones with Single Stone
Bendway Weirs
33
Diamond-Oriented Traffic Control Stones with
Single Stone Bendway Weirs
Key
TCS
TCS
TCS
Key
TCS
TCS
SSBW
TCS
TCS
TCS
SSBW
Key
TCS
SSBW
Square stones (3 ft by 3 ft by 3 ft) placed with
a sharp edge facing upstream, designed to kick
flow off the bank, must be keyed into the bed
bank, spaced 6 to 8 ft apart, every 4th one
should be keyed into the bank. Every 4th stone
has a Single Stone Bendway Weir.
34
Diamond-Oriented Traffic Control Stones with
Single Stone Bendway Weirs
Thalweg is dug and that bedload material is
placed between the Traffic Control Stones to form
a bench at the same height as the TCS.
35
Diamond-Oriented Traffic Control Stones with
Single Stone Bendway Weirs
Plants, root mass, and soil was pulled down from
the vertical outer bank to provide streamside
vegetation. The mid upper bank was sloped and
seeded.
36
Stabilizing a low bank with good top bank veg
Step 1 Good veg good root mat, but eroding
bank
Step 2 Undercut root mat without disturbing
roots
Step 4 Turn bucket collapse bank. Add
minimal stone toe
Utilizing the existing dense root mat
37
Large sand bed river Launchable LPSTP weighted
toe with paved (riprap) midbank area Upper
bank sloped and vegetated
38
Large sand bed river LPSTP weighted toe with
paved midbank Upper bank sloped vegetated

• Locked Logs placed on bed of river and locked
  under the LPSTP (for improved aquatic habitat
  energy dissipation)

39
Large sand bed river LPSTP weighted toe with
paved midbank Upper bank sloped vegetated
Locked Logs should be angled downstream approx.
45 degrees so as to shed debris
40
Large sand bed river LPSTP weighted toe with
paved midbank Upper bank sloped vegetated
LPSTP (with riverside slope at the angle of
repose) in a weighted toe configuration
Crestwidth
41
Large sand bed river LPSTP weighted toe with
paved midbank Upper bank sloped vegetated
All of the purple stone can self-adjust (launch)
and the LPSTP will still be at the original
height of protection
42
Large sand bed river LPSTP weighted toe with
paved midbank Upper bank sloped vegetated
The stream will adjust to the LPSTP, and the
LPSTP will self-adjust to armor the resulting
scour hole
Scour hole
43
Large sand bed river LPSTP weighted toe with
paved midbank Upper bank sloped vegetated
The LPSTP has self-adjusted
Scour hole
44
Large sand bed river LPSTP weighted toe with
paved midbank Upper bank sloped vegetated
Grade the bank to the appropriate angle
45
Large sand bed river LPSTP weighted toe with
paved midbank Upper bank sloped vegetated
Install gravel-cobble granular filter
46
Large sand bed river LPSTP weighted toe with
paved midbank Upper bank sloped vegetated
Install willow poles (to be used as the Bent
Willow Pole Method)
47
Large sand bed river LPSTP weighted toe with
paved midbank Upper bank sloped vegetated
Start to install riprap
48
Large sand bed river LPSTP weighted toe with
paved midbank Upper bank sloped vegetated
More riprap
Bent Willow Pole Method (underlying willow bent
up, then next stone placed)
49
Large sand bed river LPSTP weighted toe with
paved midbank Upper bank sloped vegetated
Bent Willow Pole Method
50
Large sand bed river LPSTP weighted toe with
paved midbank Upper bank sloped vegetated
More riprap
51
Large sand bed river LPSTP weighted toe with
paved midbank Upper bank sloped vegetated
Bent Willow Pole Method
52
POSSIBLE VARIATION
Plant some rooted-stock trees shrubs within
riprap area (in addition to the Bent Willow Poles)
53
Large sand bed river LPSTP weighted toe with
paved midbank Upper bank sloped vegetated
Install Brush Layering
54
Large sand bed river LPSTP weighted toe with
paved midbank Upper bank sloped vegetated
Install rooted-stock plants
55
Large sand bed river LPSTP weighted toe with
paved midbank Upper bank sloped vegetated
Soil-choke riprap
56
Large sand bed river LPSTP weighted toe with
paved midbank Upper bank sloped vegetated
Hydroseed all disturbed areas
57
DONE
58
QUESTIONS???
59
A MID PROJECT KEYWAY DETAIL
60
Detail for key
Cross-section for keyway
Flow
61
Detail for key
Flow
Place granular filter
62
Detail for key
Place Willow Poles against US side of trench
Flow
63
Detail for key
Place stone in trench
Flow
64
Detail for key
Choke stone with gravel (white areas) water in
Flow
65
Detail for key
Backfill and overfill with native soils, then
compact (some settling will still occur)
Flow
66
Detail for key
Seed
Flow
DONE
67
WIDE KEYWAY DETAIL
68
DETAIL FOR KEYWAY THAT WILL ALSO BE USED
FOR EQUIPMENT ACCESS AS A HAUL ROAD
69
Detail for key
In addition to keyway functions, it will be used
as equipment access as a haul road
Excavate wide trench
16 ft
70
Detail for key
Place granular filter
71
Detail for key
Place riprap stone in trench
72
Detail for key
Choke stone with gravel surge stone (white
areas)
73
Detail for key
Backfill overfill to allow for settling with
native soil
74
Detail for key
Plant hydro seed as appropriate
DONE
75
TRENCHFILL REVETMENT DETAILanother way to do it
76
Place granular filter
77
Place willow poles other adventitious rooting
plants on DS side of trench
78
Place self-adjusting stone in trench
79
Choke stone with gravel cobble (white areas)
80
Backfill overfill to allow for settling with
native soil
81
Plant hydro seed as appropriate
DONE
82
STONE ENGINEERED ROCKED RIFFLE FOR GRADE
CONTROL HEADCUT STABILIZATION
83
STONE ENGINEERED ROCKED RIFFLE FOR GRADE
CONTROL HEADCUT STABILIZATION
Flow
84
STONE ENGINEERED ROCKED RIFFLE FOR GRADE
CONTROL HEADCUT STABILIZATION
Key trench
Footer trench
Flow
Key trench
Dig key footer trenches
85
STONE ENGINEERED ROCKED RIFFLE FOR GRADE
CONTROL HEADCUT STABILIZATION
Footer trench
Flow
Key trench
Important note In some cases the US key trench
is dug all the way across the stream
86
STONE ENGINEERED ROCKED RIFFLE FOR GRADE
CONTROL HEADCUT STABILIZATION
Flow
Place granular filter (gravel) in all trenches.
Note granular filter not needed in gravel-cobble
bed streams
87
STONE ENGINEERED ROCKED RIFFLE FOR GRADE
CONTROL HEADCUT STABILIZATION
Pole plantings
Flow
Dig a hole, plant a pole says John McCullah
88
STONE ENGINEERED ROCKED RIFFLE FOR GRADE
CONTROL HEADCUT STABILIZATION
Flow
Place key stones and downstream footer stones
89
STONE ENGINEERED ROCKED RIFFLE FOR GRADE
CONTROL HEADCUT STABILIZATION
Place granular filter on footprint of ERR.
90
STONE ENGINEERED ROCKED RIFFLE FOR GRADE
CONTROL HEADCUT STABILIZATION
Place a set of stones (in compression) just
upstream of the footer stones
91
A STONE ENGINEERED ROCKED RIFFLE WITH
WEIGHTED TOE
Stones on crest, the downstream face, toe all
set in compression
FLOW
Weighted toe can be designed to help stop the
headward migration of a DS knickpoint headcut
92
STONE ENGINEERED ROCKED RIFFLE FOR GRADE
CONTROL HEADCUT STABILIZATION
Place all stones in compression from downstream
to upstream including crest stones.
93
STONE ENGINEERED ROCKED RIFFLE FOR GRADE
HEADCUT STABILIZATION
Place glide stones
Flow will keep glide stones in compression
94
STONE ENGINEERED ROCKED RIFFLE FOR GRADE
HEADCUT STABILIZATION
Place appropriate sediment or spawning gravel
over glide stones
95
STONE ENGINEERED ROCKED RIFFLE FOR GRADE
HEADCUT STABILIZATION
Bank protection riprap
Pool will form here
Place bank protection riprap stones on both banks
96
STONE ENGINEERED ROCKED RIFFLE FOR GRADE
HEADCUT STABILIZATION
Pool will form here
Adventitious rooting poles planted next to bank
protection riprap
97
STONE ENGINEERED ROCKED RIFFLE FOR GRADE
HEADCUT STABILIZATION
DONE
Pool will form here
98
STONE ENGINEERED ROCKED RIFFLE FOR GRADE
HEADCUT STABILIZATION
Profile view
20
Flow
1
Granular filter
99
STONE ENGINEERED ROCKED RIFFLE FOR GRADE
HEADCUT STABILIZATION
Profile view
Force
All stones in compression from force of water,
energy transferred into ground
100
ENGINEERED ROCKED RIFFLE - MODIFIED FOR
VENSAL CREEK APPLICATION
Existing concrete slab
Profile view
Existing ground
All stones in compression from force of water,
energy transferred into ground
101
ENGINEERED ROCKED RIFFLES FOR VENSAL CREEK
APPLICATION, TULSA, OK. USA
Arkansas River
This ERR for stability, DS pool formation, will
also be sloped specifically for use as a boat
launch
This ERR designed to resist future instability
and headcutting from the Arkansas River, and to
provide a tailwater for the US boat launch ERR.
102

• Engineered Rocked Riffles (ERR) in series used to
  mitigate the vertical drop over a concrete dam.
  Could be utilized on the Highland Park Dam on
  Swan Creek
• Constructed pool-riffle-pool configuration

Water surface elevation
All top stones in compression
DAM
Stone dug in
103
INTEGRATING A FISH LADDER ON THE DOWNSTREAM
FACE OF AN ENGINEERED ROCKED RIFFLE (ALL
STONES IN COMPRESSION)
104
AN ENGINEERED ROCKED RIFFLE WITH INTEGRATED
FISH LADDER
At least two layers of stones are set in
compression to form pools on the DS face of the
ERR
Water surface elevation
Backwater from DS ERR
105
AN ENGINEERED ROCKED RIFFLE WITH INTEGRATED
FISH LADDER
Mini resting pool for fish passage
106
AN ENGINEERED ROCKED RIFFLE WITH INTEGRATED
FISH LADDER
Compression forces (white arrows) are transferred
into the ground
Flow
107
AN ENGINEERED ROCKED RIFFLE WITH INTEGRATED
FISH LADDER
An overall slope of 20 to 1 can still be
maintained
20
1
108
SPECIAL CASE - STONE ERR WITH MAXIMUM HEADCUT
STABILIZATION WEIGHTED TOE BUILT IN
Similar to previous ERR but a large underground
weighted stone toe at a 10 to 1 slope would be
constructed DS of the present ERR . It would be
constructed first, with all stones in compression
Entire area excavated, with a granular filter
placed on bed
109
SPECIAL CASE - STONE ERR WITH MAXIMUM HEADCUT
STABILIZATION WEIGHTED TOE BUILT IN
Amount of weighted toe stone will be designed to
halt the upstream movement of a specific height
of headcut
Stones placed in compression on granular filter
110
SPECIAL CASE - STONE ERR WITH MAXIMUM HEADCUT
STABILIZATION WEIGHTED TOE BUILT IN
Riprap stones placed for bank protection
111
STONE ENGINEERED ROCKED RIFFLE FOR GRADE
HEADCUT STABILIZATION
Flow
20
1
10
1
Profile view
112
STONE ENGINEERED ROCKED RIFFLE FOR GRADE
HEADCUT STABILIZATION
Amount of weighted toe stone will be designed to
halt the upstream movement of a specific height
of headcut
Flow
Profile view
113
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Upper Bank Undisturbed -
114
Gravel-Cobble Bed Stream Install Minimal
Height Riprap - Upper Bank Undisturbed -
115
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Upper Bank Undisturbed -
Install Live Siltation
116
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Upper Bank Undisturbed -

• Pre-dig and overdig pool (let the stream
  determine final pool depth)

117
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Upper Bank Undisturbed -
Part of the dug area will be the toe-down area
for the stone revetment

• Pre-dug pool

118
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Upper Bank Undisturbed -
If good gravel-cobble, use dug pool material as a
granular filter
119
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Upper Bank Undisturbed -
Install willow poles (to be used as the Bent
Willow Pole Method)
120
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Upper Bank Undisturbed -
Install riprap
121
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Upper Bank Undisturbed -
Install Locked Logs
122
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Upper Bank Undisturbed -
Install more riprap to hold down Locked Logs
Locked Log
123
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Upper Bank Undisturbed -
Bent Willow Pole Method (underlying willow bent
up, then next stone placed)
124
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Upper Bank Undisturbed -
More riprap
Bent Willow Pole Method
125
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Upper Bank Undisturbed -
More riprap
Bent Willow Pole Method
126
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Upper Bank Undisturbed -
Last of the riprap
Bent Willow Pole Method
127
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Upper Bank Undisturbed -
Soil-choke riprap
128
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Upper Bank Undisturbed -
Hydroseed all disturbed areas
129
DONE
130
QUESTIONS???
131
Gravel-Cobble Bed Stream Install Minimal
Height Riprap PLUS Engineered Floodplain Bench
PLUS Upper Bank Sloped Veged
132
Cross-section of Eroded Bank
133
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Engineered Floodplain Bench Upper Bank
Sloped Vegetated
Floodplain Bench
Cut floodplain bench and slope upper bank (you
will have soil left over). Or build the
floodplain bench out into the stream
134
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Engineered Floodplain Bench Upper Bank
Sloped Vegetated
Floodplain Bench
Dig Slit Trenches BOTH parallel and perpendicular
to flow install adventitious rooting plants
135
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Engineered Floodplain Bench Upper Bank
Sloped Vegetated
Install upper bank rooted-stock plants
136
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Engineered Floodplain Bench Upper Bank
Sloped Vegetated
Install Live Siltation against bank
137
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Engineered Floodplain Bench Upper Bank
Sloped Vegetated

• Pre-dig and overdig pool, let the stream
  determine the final pool depth

138
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Engineered Floodplain Bench Upper Bank
Sloped Vegetated

• Part of the dug area will also be the toe-down
  area for the stone revetment

139
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Engineered Floodplain Bench Upper Bank
Sloped Vegetated
If good gravel-cobble, use dug pool material as a
granular filter

• Pre-dug pool

140
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Engineered Floodplain Bench Upper Bank
Sloped Vegetated
Install toed-down Riprap
141
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Engineered Floodplain Bench Upper Bank
Sloped Vegetated
Install Locked Logs for aquatic habitat
improvement energy dissipation
142
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Engineered Floodplain Bench Upper Bank
Sloped Vegetated
Lock Locked Logs in place with more Riprap
Locked Log
143
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Engineered Floodplain Bench Upper Bank
Sloped Vegetated
Install willows for Bent Willow Pole Method
144
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Engineered Floodplain Bench Upper Bank
Sloped Vegetated
Add Riprap
145
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Engineered Floodplain Bench Upper Bank
Sloped Vegetated
Bent Willow Pole Method (underlying willow bent
up, then next stone placed)
146
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Engineered Floodplain Bench Upper Bank
Sloped Vegetated
More Riprap
Bent Willow Pole Method
147
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Engineered Floodplain Bench Upper Bank
Sloped Vegetated
Bent Willow Pole Method
148
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Engineered Floodplain Bench Upper Bank
Sloped Vegetated
More Riprap
Bent Willow Pole Method
149
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Engineered Floodplain Bench Upper Bank
Sloped Vegetated
Bent Willow Pole Method
150
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Engineered Floodplain Bench Upper Bank
Sloped Vegetated
Last of the Riprap
Bent Willow Pole Method
151
POSSIBLE VARIATION
In addition to the Bent Willow Pole Method, some
rooted stock plants could be placed within the
interstices of the riprap
152
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Engineered Floodplain Bench Upper Bank
Sloped Vegetated
Choke riprap with soil
153
Gravel-Cobble Bed Stream Install Minimal Height
Riprap Engineered Floodplain Bench Upper Bank
Sloped Vegetated
Hydroseed all disturbed areas
154
Done Basically riprap that could stand alone,
but enjoys many other functions
155
QUESTIONS???
156
(No Transcript)
157
QUESTIONS???
158
CONTRACTION STONES DESIGNED TO PROVIDE POOL
HABITAT
159
Contraction Stones designed to provide pool
habitat
WELL VEGETATED
Overwidened riffle-run with no pools
Flow
WELL VEGETATED
160
Toe down large stones (partially key into bank)
opposite each other to constrict channel. Crests
of stones should not be higher than adjacent bank
areas
8-10 ft
Reduce width according to model results
10-15 ft
10-15 ft
Contraction Stones designed to provide pool
habitat
161
Contraction Stones designed to provide pool
habitat
Pre-dig and over-dig pool areas.
162
Contraction Stones designed to provide pool
habitat
DONE
Stream will set pool depths and widths over time
163
QUESTIONS???
164
Transverse Bar with Stone Angle Slam
165
Transverse Bar with Stone Angle Slam
Predig overdig pool
166
Transverse Bar with Stone Angle Slam
Angle Slam stones
Place stones, backfill with soil (choke), and
vegetate.
167
DONE
Transverse Bar with Stone Angle Slam
Transplant overhanging shrub-small tree
vegetation.
168
QUESTIONS???
169
Transverse Bar with Wood Board LUNKER
170
Transverse Bar with Wood Board LUNKERS
Pre-dig overdig pool area where LUNKERS will
be placed
Pre-dig and overdig pool LUNKER areas
171
Transverse Bar with Wood Board LUNKERS
LUNKER
LUNKER
LUNKER
Place and anchor LUNKERS.
172
DONE
Transverse Bar with Wood Board LUNKERS
LUNKER
LUNKER
LUNKER
Transplant large shrubs/small trees.
173
QUESTIONS???
174
Transverse Bar with Log LUNKER
175
Transverse Bar with Log LUNKER
Footer log
Footer log
Key section of log
Dig place footer logs, downstream log keys
behind US log .
176
Transverse Bar with Log LUNKER
Roof log
Roof log
Roof log
Place and anchor roof logs .
177
Transverse Bar with Log LUNKER
DONE
Transplant shrub/tree vegetation .
178
QUESTIONS???
179
VORTEX WEIR FOR POOL CREATION
180
Vortex Weir for Pool Creation
Key
Key
Key
Lower elevation
Key
Key
Vortex weir is a semi-circle flow concentrator,
lower in the center of the Weir, plunge pool
immediately downstream. Key stones will be
choked with soil and vegetated.
181
Vortex Weir for Pool Creation
Predig overdig pool
Predig overdig pool
182
Vortex Weir for Pool Creation
Plant vegetation
Plant vegetation
Plant vegetation, can be combos of, Live
Siltation, Live Stakes, Slit Trench, rooted stock
or mechanically transplanted vegetation.
183
Vortex Weir for Pool Creation
DONE
Transplant large vegetation
Plant mechanically transplanted large shrub
vegetation.
184
QUESTIONS???
185
QUESTIONS???
186
QUESTIONS???
187
QUESTIONS ???ANSWERS ???
188
(No Transcript)
189
(No Transcript)