Check out the bingo sign! CAZENOVIA CR. @ STEPHENSON ST. BRIDGE

Check out the bingo sign!

CAZENOVIA CR. @ STEPHENSON ST. BRIDGE

REPLACEMENT OF ONE BANK OF A CONCRETE-LINED

CHANNEL CAZENOVIA CREEK @

STEPHENSON STREET BRIDGE SPONSOR: CITY OF BUFFALO,

NYCONSTRUCTED

OCTOBER 2005 - MARCH 2006

CAZENOVIA CREEK @ STEPHENSON STREET BRIDGE Urban Urban Urban!! Steep bank slopes-

fenced off for public safely, concrete lined channel

Roads on top of both banks within feet of sloped bank of stream

Dense urban single-family dwellings Floods fairly often due to flow, ice jams, &

backwater effects from the Buffalo River City of Buffalo, NY project Pool-riffle-pool stream, less than 1% slope

PRE-PROJECT AERIAL PHOTOby Dave Derrick

FEBRUARY 22, 2005

Flow left to right, left bank protection will be replaced.

Pix by Derrick 2/22/2005

PRE-PROJECT PHOTOS

by Lallman RambaliNYSDOT REGION 9

WINTER 2003

Ice on US side of Stephenson Street bridge.

Pix by Lallman Rambali 2003

From Stephenson St. bridge, looking US

Pix by Lallman Rambali 2003

PRE-PROJECT PHOTOS

by Dave Derrick FEBRUARY 24, 2005

Looking DS @ project bank (left bank)


Looking across stream, left bank in background.


Most trees near top bank at end of life cycle.


Looking across at left bank. Houses flood every few years.


Sheetpile toe with tieback anchors Lower bank – Large cut stone

blocks with willow whips in between

Mid-bank - Riprap stone with rooted stock shrub plantings

Upper-bank – Soil with grasses & several species of rooted stock shrubs

Top bank - between fence & guide rail a row of rooted stock trees

METHODS EMPLOYED

CONSTRUCTION PHOTOS

by Jeff Fisk, Project Engineer,

OCTOBER 2005

Looking DS. Driving sheetpile @ US end of project.

Pix by Jeff Fisk - Oct. 2005

Looking across @ left bank, US end of project.


Looking across. Old sheetpile & backfill removed.


Lifting a section of sheetpile.


Positioning & driving sheetpile. Note worker


3 months into construction, flow right to left.

Pix by Jeff Fisk - 12/27/2005

CONSTRUCTION PHOTOS

by Dave Derrick NOVEMBER 4, 2005

Looking DS. Old sheetpile removed, new installed.


Old sheetpile. Slag backfill had eroded tieback anchors, necessitating the replacement of all bank protection.

Pix by Derrick - 5/18/2006

Looking DS. Note steep bank.


Looking DS. Driving sheetpile toe. Project is 1,000 ft long.


CONSTRUCTION COMPLETE

Photos by Derrick MAY 18, 2006

Looking DS. Toe-sheetpile & cut stone with willows.


Looking DS. Mid bank riprap, upper bank-rooted stock shrubs


Looking DS. Trees-fence-shrubs-riprap-stone-sheetpile.


Looking DS. Opposite bank typical concrete.


Looking DS. Close-up of soil-choked riprap mid-bank & upper bank shrubs. Note engineered soil-clay-gravel-organic mix for stability & plant growth of shrubs.


Robust upper bank rooted stock shrubs .


Gravel-clay-soil-organic mix planting medium.


Looking DS. Shrubs and top-bank trees.


Looking DS. Trees between fence & guide rail .


5 MONTHS AFTER PROJECT

COMPLETIONPhotos by Derrick

AUGUST 23, 2006

Mid & Upper bank vegetation growing well


Trees No protection, 2 rows of

shrubs

Riprap with

grasses & willows

Square cut stone

with willow & dogwood

whips

Sh

eetp

ile

Mid & Upper bank vegetation growing well


Close-up of vegetation.


22 MONTHS AFTER PROJECT

COMPLETIONFEB 3-4, 2008

Looking DS @ channel & left bank.

Pix by Chuck Godfrey - 2/4/2008

Looking DS @ left bank from bridge. Note plantings on bank.


Looking DS @ left bank. Water level has dropped, ice has collapsed

Pix by George Cotroneo - 2/3/2008

Looking DS @ close-up of left bank.


WHAT A BIG DIFFERENCE ONE DAY MAKES

Feb 5, 2008 (3/4 inch of rain + warm

temps=10 ft high stage & ice out)

ALSO WHICH BANK DO YOU LIKE, LEFT OR

RIGHT??

LEFT BANK –Warm temps + rain + high water = quick ICE OUT. All veg still looking very very good.

Pix by Joe Kassler - 2/5/2008

RIGHT BANK - All concrete, ugly year round.


3 YEARS & 1 MONTH AFTER PROJECT

COMPLETIONPhotos by Derrick JUNE 12, 2009

Looking DS @ left bank. Veg looking good!!

3YRS 1 MONTH AFTER-CAZENOVIA CR. @ STEVENSON ST-DERRICK 6-12-09

Looking DS @ left bank. All veg is robust!!


Looking DS @ left bank. Nice species diversity of plants.


Looking DS @ left bank. Even toe veg is coming on.


Vines & some veg growing amongst large toe stone


Close up of robust mid & upper bank veg.


Top bank tall trees to left & upper bank veg on right.


4.66 YEARSAFTER PROJECT

COMPLETIONPhotos by Derrick JUNE 16, 2010

4.66 YRS LATER-CAZENOVIA CR. @ STEVENSON ST-DERRICK 6-16-2010

4.66 years after completion. From bridge looking DS @ the entire project. All planted material showing robust growth


4.66 years after completion. From the bridge looking DS. Except for narrow band of stone at

toe, dense veg has covered the entire bank.


4.66 years after completion. From the bridge looking DS. Good diversity of plant species with some volunteer plants (Cottonwood,

Black Locust, herbacious, some invasive Japanese Knotweed).


4.66 years after completion. From bank looking DS.


4.66 years after completion. From the bank looking DS. Willow is growing well in the riprap section.


4.66 years after completion. Looking at top bank & overbank


4.66 years after completion. Looking at top bank.

5 YEARSAFTER PROJECT

COMPLETIONPhotos by

Chuck Godfrey Feb. 18, 2011

5 YRS LATER-CAZ CR. @ STEVENSON ST-CHUCK GODFREY 2-28-2011

5 YEARS AFTER PROJECT COMPLETION. Ice is back!! DOT closed the bridge for 2 days, concrete channel UGLY but OK.


5 YEARS AFTER PROJECT COMPLETION. DOT closed bridge for 2 days. Ice pounding project, all plants safe!!


5 YEARS AFTER PROJECT COMPLETION. Ice flowing around plants & pounding project, plants look OK!!!

Brothers separated at

birth!!

Documents

Check out the bingo sign! CAZENOVIA CR. @ STEPHENSON ST. BRIDGE