BEE–WARE OF THE BEES-ELTON CREEK@FREEDOM 7 BRIDGE Under construction-Elton Creek DS of Freedom 7...
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Transcript of BEE–WARE OF THE BEES-ELTON CREEK@FREEDOM 7 BRIDGE Under construction-Elton Creek DS of Freedom 7...
BEE–WARE OF THE BEES-ELTON CREEK@FREEDOM 7 BRIDGE
Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007
ELTON CREEK, DS OF FREEDOM 7 BRIDGE, FREEDOM, NY.
Bank erosion is threatening a farm road NRCS –Environmental Quality Incentives
Program {EQIP} cost share with landowner Rural (farmland) Bed material: gravel-cobble-sand, incised Pool-riffle-pool regime, slope around 1% Average width 20-30 ft, 10-14 ft tall banks Partially spring fed. High-quality trout stream, not stocked, natural
reproduction of Rainbow, Brown, & upstream, Brook Trout
THE FIRST SITE VISIT.
JANUARY 10, 2007
Looking DS at right eroding bank & exit conditions.
PRE-PROJECT-Elton Creek DS of Freedom 7 Bridge-derrick-Jan 10, 2007
THE SECOND SITE VISIT.
MAY 17, 2007
PANNING US TO DS
Looking US at attack angle into eroding bank.
PRE-PROJECT-Elton Creek DS of Freedom 7 Bridge-derrick-May 17, 2007
Looking US at eroded bank. Bob is 6 ft 4” (for scale).
PRE-PROJECT-Elton Creek DS of Freedom 7 Bridge-derrick-May 17, 2007
Looking US at eroding bank. Truck on road we are protecting.
PRE-PROJECT-Elton Creek DS of Freedom 7 Bridge-derrick-May 17, 2007
Looking US at eroding bank & large block failure.
PRE-PROJECT-Elton Creek DS of Freedom 7 Bridge-derrick-May 17, 2007
Bank is 14 ft tall-toe is clay, gravel-cobble-sand above
PRE-PROJECT-Elton Creek DS of Freedom 7 Bridge-derrick-May 17, 2007
THE PLAN
Drawing by Robert Shenk, Catt County Soil & Water
THE PLAN – ELTON CREEK DS OF FREEDOM 7 BRIDGE
FLOW
THE PLAN
Drawing by Robert Shenk, Catt County Soil & Water
Proj
ect L
imits
Project Limits
THE FARM
ROAD W
E ARE P
ROTECTING
CONSTRUCTION OCT. 9-12, 2007CONSTRUCTION
CONTRACT & STONE COSTS -
APPROX. $16,000. TOTAL
METHODS EMPLOYED 125 ft of self-adjusting & self-filtering
Longitudinal Peaked Stone Toe Protection {LPSTP}. Mix of DOT heavy & medium graded stone. All protection is on right bank
100 ft of stacked stone wall in the impact zone (upstream end of project)
Curved & vegetated keys on US & DS ends, 1 vegged tieback & key in middle of project
A stone check dam at DS end {did not have enuf stone for an Engineered Rocked Riffle}
A curved kicker (Smile) to form a curved pool Five Single-Stone Bendway Weirs Several transplanted Streamco Willow shrubs Live Siltation, Pole Plantings, & Live Staking
using Streamco & Black Willows, Red Osier & Silky Dogwoods
Rooted-stock Red Osier Dogwood (6 plants)
Looking US at the constructed bypass channel. We plugged the channel, put all flow in the bypass channel, & worked in the dry during
construction.
Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007
Silky & red osier cut from an old channel on property
Under construction-Elton Creek DS of Freedom 7 bridge-derrick-Oct 2007
All willow & dogwood cuttings were harvested from the property.
WE WILL START DOWNSTREAM & WORK UPSTREAM,
THEN DO THE GRADE CONTROL @ THE DS END
LAST.
LONGITUDINAL PEAKED STONE
TOE PROTECTION {LPSTP}
{Self-adjusting & self-filtering, Longitudinal Peaked Stone Toe Protection. Consists of a mix of
DOT “heavy” & “medium” graded stone}
Drawing by Robert Shenk, Catt County Soil & Water
THE PLAN – ELTON CREEK DS OF FREEDOM 7 BRIDGE
THE LONGITUDINAL PEAKED STONE
TOE PROTECTION
{LPSTP}FLOW
DS key
Elton Creek near Freedom 7 Bridge, Freedom, NY
Typical bank cross-section
Farm road
Right bank
Left bank
Looking DS. Laying out the alignment for the LPSTP
Construction-Elton Creek DS of Freedom 7-Steve Perschke-NRCS-Oct 07
Then place clay dug from
thalweg channel at toe
of eroding bank
Elton Creek near Freedom 7 Bridge, Freedom, NY
First pre-dig a
thalweg channel
Looking DS. Dug clay placed as substrate fill.
Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007
Install one-half of the Longitudinal Peaked Stone
Toe Protection (LPSTP).
Elton Creek near Freedom 7 Bridge, Freedom, NY
Install adventitious rooting Willow Poles
Elton Creek near Freedom 7 Bridge, Freedom, NY
Install remainder of LPSTP. Side slopes will be at the angle of repose
Elton Creek near Freedom 7 Bridge, Freedom, NY
Looking DS. Vegetation integrated thru LPSTP.
Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007
Elton Creek near Freedom 7 Bridge, Freedom, NY
The stream will adjust to the LPSTP, & the LPSTP
will self-adjust to armor the resulting scour hole
Toe scour
Elton Creek near Freedom 7 Bridge, Freedom, NY
The LPSTP has self-adjusted
Elton Creek near Freedom 7 Bridge, Freedom, NY
Install gravel-cobble from
stream
LIVE SILTATION {Willow branches about 1-2 inches in diameter, 6 to 8 ft long, 2/3 in ground, 1/3 out, intermixed with Silky & Red
Osier Dogwood that is 4 to 6 ft long}
Drawing by Robert Shenk, Catt County Soil & Water
THE PLAN – ELTON CREEK DS OF FREEDOM 7 BRIDGE
LIVE SILTATIO
N
FLOW
LPSTP
Looking US. Dug trench landward of LPSTP.
Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007
Elton Creek near Freedom 7 Bridge, Freedom, NY
Install Live Siltation
Looking US at installed Live Siltation (willow & dogwood).
Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007
Live Siltation providing mid & upper bank protection
8 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-derrick-JUNE 13, 2008
Looking US @ Live Siltation, Single Stone Bendway Weirs & veg
8 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-derrick-JUNE 13, 2008
TRANSPLANTING A LARGE CLUMP OF WILLOW
Multi-stem (20 to 40 stems) bushes approx. 14 to 24 ft tall, transplanted as a single clump,
with roots in trench directly behind the LPSTP. Tops of
branches were trimmed & used as Live Poles (6 to 10 ft long).
Drawing by Robert Shenk, Catt County Soil & Water
THE PLAN – ELTON CREEK DS OF FREEDOM 7 BRIDGE
WILLOW BUSH TRANSPLANTATIO
NFLOW
LPSTP
LIVE SILTATIO
N
Elton Creek near Freedom 7 Bridge, Freedom, NY
Dig trenches to receive
willow bushes
Looking DS at LPSTP, backfilled bank, & dug trench.
Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007
Elton Creek near Freedom 7 Bridge, Freedom, NY
Transplant large multi-stem Willow Bushes
Looking DS. Transplanting willow bush in trench
Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007
Elton Creek near Freedom 7 Bridge, Freedom, NY
Then trim long branches from bush & plant as Willow Poles
Looking DS. Trim willow & plant poles in trench.
Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007
Close-up of willow bush & cuttings.
Under construction-Elton Creek DS of Freedom 7 bridge-derrick-Oct 2007
Elton Creek near Freedom 7 Bridge, Freedom, NY
Water in & backfill
Looking DS. Covering willow bush & poles with soil
Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007
Looking DS. Transplant complete.
Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007
Veg planted on a grid, Live Siltation in front & transplants
Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007
Live Siltation
Willow shrub
transplants &
willow poles
19 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June. 9, 2009
Jumping ahead,1 growing season & 2 more growing months after completion. From point bar looking @ right bank. This is the 50 ft of Live Siltation & two
large willow bush transplants that took 45 minutes to install.
32 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June 15, 2010
2 years & 8 more growing months after completion. From point bar looking @ right bank. This is the 50 ft of Live Siltation & two large willow
bush transplants that took 45 minutes to install. Veg is very robust.
PLACING A STACKED STONE WALL IN THE US SECTION OF THE
BEND {Self-adjusting & self-filtering, Longitudinal Peaked Stone Toe
Protection {LPSTP}. Consists of a mix of DOT “heavy” & “medium”
graded stone}
Looking US @ smooth curve in impact area.
Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007
Looking US @ heavy veg & stacked stone @ US end of bend.
Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007
Pre-dug thalweg trace
Looking US @ backfill, veg, stone. US key not done.
Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007
THE MID-PROJECT TIE-BACK & KEY
{Dig straight trench perpendicular to high flow path, place willow & dogwood poles on US side (so that plants will be in compression against the stone
during high flow events) backfill with graded stone, water in, backfill with soil (overfill for
settling), water in again, seed}
Drawing by Robert Shenk, Catt County Soil & Water
THE PLAN – ELTON CREEK DS OF FREEDOM 7 BRIDGE
MID-PROJECT TIE-BACK & KEY
FLOW
Looking downhill @ mid-project key {ties LPSTP into bank}
Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007
Looking uphill @ key stone & veg. Soil choke next.
Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007
TRANSPLANTING SEVERAL LARGE
MULTI-STEM WILLOW BUSHES IN THE
HIGH-FLOW IMPACT ZONE
Multi-stem bushes on 15 ft spacing with many Live Poles and Live Siltation (dense plantings on
a grid)
Drawing by Robert Shenk, Catt County Soil & Water
THE PLAN – ELTON CREEK DS OF FREEDOM 7 BRIDGE
THE HIGH-FLOW IMPACT ZONE
Impact flow
Drawing by Robert Shenk, Catt County Soil & Water
THE PLAN – ELTON CREEK DS OF FREEDOM 7 BRIDGE
WILLOW BUSHES
Impact flow
Looking US at pre-dug trenches for transplants.
Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007
Looking US. Veg placed in trenches & watered in.
Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007
Close-up of veg in trenches-watered in.
Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007
Looking US at transplanted bushes & poles in trenches.
Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007
BUILDING THE CURVED KICKER{Low-elevation large stones in a curved configuration (Smile) designed to kick flow toward
the point bar creating a curved pool}
Drawing by Robert Shenk, Catt County Soil & Water
THE PLAN – ELTON CREEK DS OF FREEDOM 7 BRIDGE
FLOW
THE CURVED KICKER
Looking US at the curved kicker. Note flow @ end.
Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 11, 2007
Drawing by Robert Shenk, Catt County Soil & Water
THE PLAN – ELTON CREEK DS OF FREEDOM 7 BRIDGE
FLOW
SINGLE STONE
BENDWAY WEIRS
Looking DS at LPSTP & Single Stone Bendway Weirs.
Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007
Bob is standing on stone check dam. Check dam controls flow direction of the thalweg so
that nothing is adversely affected downstream of the project.
Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 11, 2007
PROJECT CONSTRUCTED
IN 3 WORKING DAYS,
OCT 9-12, 2007
19 MONTHS AFTER CONSTRUCTION (1 full growing season &
2 more growing months after completion)
Photos by Dave Derrick JUNE 9, 2009
From top bank, upper end of project. Looking DS at the point bar, channel, LPSTP, &
vegetated bank.
19 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June. 9, 2009
1 growing season and 2 months after completion. Looking downhill @ the Live
Siltation (mid-project).
19 MONTHS LATER - Elton Cr. DS of Freedom 7 Br.-Derrick-June. 9, 2009
Looking downhill @ one transplanted willow bush.
19 MONTHS LATER - Elton Cr. DS of Freedom 7 Br.-Derrick-June. 9, 2009
Looking DS at the bank with transplanted shrub and poles acting as a Living Dike (row of
vegetation oriented perpendicular to the direction of high flow)
19 MONTHS LATER - Elton Cr. DS of Freedom 7 Br.-Derrick-June. 9, 2009
Looking DS at the project. Two deep pools (separated by the curved kicker pool creator) naturally dissipate stream energy.
19 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June. 9, 2009
Pool
Pool
Looking @ a Single Stone Bendway Weir (underwater).
19 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June. 9, 2009
32 MONTHS AFTER PROJECT
COMPLETIONPhotos by Derrick JUNE 15, 2010
FROM THE CHANNEL, WALKING US TO DS
32 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June 15, 2010
2 years & 8 months after completion. From top bank looking DS. Stream & all stone is hidden by dense veg.
32 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June 15, 2010
2 years & 8 months after completion. Looking DS @ the apex of the bend. Live Siltation & transplanted willows & dogwood growing well. Nice deep pool to dissipate energy.
32 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June 15, 2010
2 years & 8 months after completion. Close-up of stacked stone wall with Live Siltation behind & some planted willow & dogwood growing through the stone wall.
32 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June 15, 2010
2 years & 8 months after completion. Looking DS @ good aquatic habitat by stone (deep-shallow-slow-fast-structure-overhanging veg).
32 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June 15, 2010
2 years & 8 months after completion. Looking @ the kicker @ the DS end of the deep pool. Note thalweg & willow growth.
32 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June 15, 2010
2 years & 8 months after completion. Looking DS @ kicker & robust veg planted on a grid pattern.
32 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June 15, 2010
2 years & 8 months after completion. Close-up of willow growth behind the LPSTP.
32 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June 15, 2010
2 years & 8 months after completion. Looking @ amazing willow growth in the DS key. Willow was planted up to 14 ft above base
flow water surface elevation, but was planted 4 ft deep & has grown exceptionally well over the last 2+ years.
Downstream key
Double trouble at rest