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ELTON CREEK, DS OF FREEDOM 7 BRIDGE, FREEDOM, NY.  Bank erosion is threatening a farm road  NRCS –Environmental Quality Incentives Program {EQIP} cost.

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Presentation on theme: "ELTON CREEK, DS OF FREEDOM 7 BRIDGE, FREEDOM, NY.  Bank erosion is threatening a farm road  NRCS –Environmental Quality Incentives Program {EQIP} cost."— Presentation transcript:

1 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

2 ENTITIES INVOLVED  NRCS – Area Office, Batavia, NY  Cattaraugus County Soil & Water Conservation District, Ellicottville, NY  U S Army Corps of Engineers, Engineering Research & Development Center, Vicksburg, MS.  NRCS Cattaraugus County Office, Ellicottville, NY

3 THE FIRST SITE VISIT. JANUARY 10, 2007 PANNING US TO DS

4 Looking DS at right eroding bank & exit conditions. PRE-PROJECT-Elton Creek DS of Freedom 7 Bridge-derrick-Jan 10, 2007

5 THE SECOND SITE VISIT. MAY 17, 2007 PANNING US TO DS

6 Looking US at attack angle into eroding bank. PRE-PROJECT-Elton Creek DS of Freedom 7 Bridge-derrick-May 17, 2007

7 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

8 Looking US at eroding bank. Truck on road we are protecting. PRE-PROJECT-Elton Creek DS of Freedom 7 Bridge-derrick-May 17, 2007

9 Looking US at eroding bank & large block failure. PRE-PROJECT-Elton Creek DS of Freedom 7 Bridge-derrick-May 17, 2007

10 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

11 THE PLAN

12 Drawing by Robert Shenk, Catt County Soil & Water THE PLAN – ELTON CREEK DS OF FREEDOM 7 BRIDGE Project Limits FLOW THE FARM ROAD WE ARE PROTECTING

13 Drawing by Robert Shenk, Catt County Soil & Water THE PLAN – ELTON CREEK DS OF FREEDOM 7 BRIDGE FLOW THE PLAN

14 CONSTRUCTION OCT. 9-12, 2007 CONSTRUCTION CONTRACT & STONE COSTS - APPROX. $16,000. TOTAL

15 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

16 METHODS EMPLOYED  225 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  Curved & vegetated keys on US & DS ends, 1 vegged tieback & key in middle of project  A stone check dam at DS end {not enuf stone for an Engineered Rocked Riffle}  Boil-Up Pool with curved kicker (Smile)  Five Single-Stone Bendway Weirs  Many transplanted Streamco Willow shrubs  Live Siltation, Pole Plantings, & Live Staking using Streamco & Black Willows, Red Osier & Silky Dogwoods  6 rooted-stock Red Osier Dogwood

17 WE WILL START DOWNSTREAM & WORK UPSTREAM, THEN DO THE GRADE CONTROL @ THE DS END LAST.

18 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}

19 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

20 Elton Creek near Freedom 7 Bridge, Freedom, NY Typical bank cross-section Farm road Right bank Left bank

21 Looking DS. Laying out the alignment for the LPSTP Construction-Elton Creek DS of Freedom 7-Steve Perschke-NRCS-Oct 07

22 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

23 Looking DS. Laying out the DS key (red flags). Dug clay placed as substrate fill. Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007

24 Install one-half of the Longitudinal Peaked Stone Toe Protection (LPSTP). Elton Creek near Freedom 7 Bridge, Freedom, NY

25 Install adventitious rooting Willow Poles Elton Creek near Freedom 7 Bridge, Freedom, NY

26 Install remainder of LPSTP. Side slopes will be at the angle of repose Elton Creek near Freedom 7 Bridge, Freedom, NY

27 The stream will adjust to the LPSTP, & the LPSTP will self-adjust to armor the resulting scour hole Toe scour

28 Elton Creek near Freedom 7 Bridge, Freedom, NY The LPSTP has self-adjusted

29 Elton Creek near Freedom 7 Bridge, Freedom, NY Install gravel- cobble from stream

30 Looking DS. Vegetation integrated thru LPSTP. Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007

31 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}

32 Looking US. Dug trench landward of LPSTP. Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007

33 Looking US at installed Live Siltation (willow & dogwood). Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007

34 Looking US at Single Stone Bendway Weirs & veg 8 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-derrick-JUNE 13, 2008

35 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).

36 Looking down bank at a dug trench in backfilled bank. Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007

37 Elton Creek near Freedom 7 Bridge, Freedom, NY Dig trenches to receive willow bushes

38 Looking DS at LPSTP, backfilled bank, & dug trench. Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007

39 Elton Creek near Freedom 7 Bridge, Freedom, NY Transplant large multi- stem Willow Bushes

40 Looking DS. Transplanting willow bush in trench Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007

41 Elton Creek near Freedom 7 Bridge, Freedom, NY Then trim long branches from bush & plant as Willow Poles

42 Looking DS. Trim willow & plant poles in trench. Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007

43 Elton Creek near Freedom 7 Bridge, Freedom, NY Water in & backfill

44 Looking DS. Covering willow bush & poles with soil Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007

45 Looking DS. Transplant complete. Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007

46 Drawing by Robert Shenk, Catt County Soil & Water THE PLAN – ELTON CREEK DS OF FREEDOM 7 BRIDGE WILLOW BUSH TRANSPLANTATION FLOW

47 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

48 19 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June. 9, 2009 1 full growing season and 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.

49 PLACING LPSTP 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. }

50 Looking US @ smooth curve in impact area. Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007

51 THE UPSTREAM KEY {Dig curved trench, place willow & dogwood poles on DS side, backfill with graded stone, water in, backfill with soil (overfill for settling), water in again, seed}

52 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}

53 Drawing by Robert Shenk, Catt County Soil & Water THE PLAN – ELTON CREEK DS OF FREEDOM 7 BRIDGE MID-PROJECT TIE-BACK & KEY FLOW

54 Looking downhill @ veg on US side of mid-project key. Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007

55 Looking uphill @ key stone & veg. Soil choke next. Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007

56 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)

57 Drawing by Robert Shenk, Catt County Soil & Water THE PLAN – ELTON CREEK DS OF FREEDOM 7 BRIDGE THE HIGH-FLOW IMPACT ZONE Impact flow

58 Drawing by Robert Shenk, Catt County Soil & Water THE PLAN – ELTON CREEK DS OF FREEDOM 7 BRIDGE WILLOW BUSHES Impact flow

59 Looking US at pre-dug trenches for transplants. Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007

60 Looking US. Veg placed in trenches & watered in. Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007

61 Transplants & poles so dense it is hard to see workers Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007

62 Looking DS at LPSTP & Single Stone Bendway Weirs. Under construction-Elton Creek DS of Freedom 7 Bridge-derrick-Oct 2007

63 Looking across. Bob standing on stone check dam. The check dam controls 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

64 PROJECT CONSTRUCTED IN 3 WORKING DAYS, OCT 9-12, 2007

65 19 MONTHS AFTER CONSTRUCTION (1 full growing season & 2 more growing months after completion) Photos by Dave Derrick JUNE 9, 2009

66 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

67 Looking downhill @ one transplanted willow bush. 19 MONTHS LATER - Elton Cr. DS of Freedom 7 Br.-Derrick-June. 9, 2009

68 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

69 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

70 The next 16 pix are from in the channel, working from upstream to downstream.

71 From US of project, looking DS. Dead water US of Single Stone Rock Vane. 19 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June. 9, 2009

72 Looking DS @ LPSTP & upper bend with dead water US & DS of Single Stone Rock Vane. Taller stone protection & heavy veg since this is the “impact zone” of high velocity flow into the project. 19 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June. 9, 2009

73 Looking DS at the upper bend. Excellent veg (Live Siltation, 4 large willow bush transplants, & many live dogwood & willow poles) on mid & upper bank. 19 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June. 9, 2009

74 Looking DS at a correctly-shaped point bar. Philosophy on this project was to have the outer bank rough & strong & inner bank smooth & adjustable. 19 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June. 9, 2009

75 Looking DS at the project. Two deep pools (separated by the Boil-Up pool curved kicker) naturally dissipate stream energy. 19 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June. 9, 2009 Pool

76 Looking @ the US deep pool. Branches, leaves, & fine sediment on left bank side of pool. 19 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June. 9, 2009

77 Looking DS at the pool & vegetated bank. High flows on the bank will encounter deep-rooted robust veg. 19 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June. 9, 2009

78 Looking DS at the second deep pool, LPSTP, & Live Siltation bank veg. DS key veg is visible & robust. 19 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June. 9, 2009

79 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. Fantastic growth!! 19 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June. 9, 2009

80 Looking @ a Single Stone Bendway Weir. 19 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June. 9, 2009

81 Looking DS at robust Live Siltation & DS key veg at lower end of project. 19 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June. 9, 2009

82 Looking US @ two deep pools with the Boil-Up Pool curved kicker in between. Base flow thalweg trace in yellow. 19 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June. 9, 2009

83 Looking DS at exit flow over rock check dam. 19 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June. 9, 2009

84 Rock check dam at lower end is performing well. 19 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June. 9, 2009

85 Small gully on upper bank from overbank drainage @ DS end of project. Drainage has been re-routed. 19 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June. 9, 2009

86 From lower end looking US @ lush bank vegetation. Live Siltation & transplanted willow bushes on bank form a vegetated “grid” (woody veg. both parallel & perpendicular to direction of high flow). 19 MONTHS LATER-Elton Cr. DS of Freedom 7 Br.-Derrick-June. 9, 2009

87 This talk is over, time to relax Double trouble at rest

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