LIVING BREAKWATERS & TOTTENVILLE SHORELINE … · 2016-06-01 · cac meeting 5/25/2016 living...

LIVING BREAKWATERS &

TOTTENVILLE SHORELINE

PROTECTION PROJECT

CAC MEETING #04PS 6 Corporal Allan F. Kivlehan School

5/25/16

CAC Meeting

5/25/2016



PROTECTION

AGENDA#01 WELCOME & INTRODUCTION

#02 BILLION OYSTER PROJECT

#03 RECAP FROM FEBRUARY’S CAC MEETING

#04 PROGRESS UPDATES:

• EIS

• FIELD SURVEYS & SITE WALKS

• LIVING BREAKWATERS

• TOTTENVILLE SHORELINE PROTECTION

#05 Q & A

#06 BREAKOUT TABLES & INFO SESSION

#07 RECAP

CAC Meeting

5/25/2016



PROTECTION

WELCOME & INTRODUCTION



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CAC Meeting

5/25/2016

• James Pistilli (Co-Chair)

• Victoria Cerullo (Co-Chair)

• Debra Amoroso

• Phyllis Broughton

• Edward Canlon

• Catherine Cramer

• Kerry Halvorsen

• Albert Klingele

• Michael Kress

• Gloria Maldonado

• John Malizia

• Nicole Nigro

• Pamela Pettyjohn

• Anthony Reinhart

• Frank Santarpia

• Bill Shadel

• Diane Silverman

• Veronica Petersen

• Michele Moore

• Lauren Cosgrove

INTRODUCTIONS

COMMUNITY

ADVISORY

COMMITTEE



PROTECTION

CAC Meeting

5/25/2016

INTRODUCTIONS

PROJECT TEAMS

Environmental

Review Team

Peer Review

Living

Breakwaters

Design Team

Government

PartnersTottenville

Shoreline

Protection

Design Team



PROTECTION

CAC Meeting

5/25/2016

http://www.rebuildbydesign.org/

To register

https://www.eventbrite.com/e/rebuild-by-design-2-years-later-tickets-25178780410

REBUILD

BY

DESIGN

http://www.rebuildbydesign.org/

https://www.eventbrite.com/e/rebuild-by-design-2-years-later-tickets-25178780410



PROTECTION

CAC Meeting

5/25/2016

TOTTENVILLE

DUNE

SCHEDULEWE ARE HERE!

PROGRESS TOWARDS 30% DESIGN!



PROTECTION

CAC Meeting

5/25/2016

WE ARE HERE!

CAC Meeting

5/25/2016



PROTECTION

THE BILLION OYSTER PROJECT

CAC Meeting

5/25/2016



PROTECTION

BILLION

OYSTER

PROJECT

• Schools:

• IS 24 Myra Barnes

• Tottenville High School

• St. Clare’s School

• Marsh Ave EL

• New Restoration Station Site at the Lighthouse Museum

• Shell

Collection

Program

• SCP Passes 200,000 pounds of reclaimed oyster shell

• Operating at 46 restaurants in Brooklyn and Manhattan

• On Pace to pass 500 cubic yards by October

• Schools and

Citizen

Science

• Nursery Site

under

development

at RCYC

CAC Meeting

5/25/2016



PROTECTION

FEBRUARY’S CAC MEETING

CAC Meeting

5/25/2016



PROTECTION

Shoreline Experience

• Dune should provide risk reduction

Breakwaters

• Reduce risk to homes

• Consider Sea Level Rise

• Be sure they are visible and safe

CAC REPORT

BACK• Shoreline

experience and

activities

• Breakwaters:

modeling &

visualization

• Water hub

location and

programs

• Ecological

Design

Water Hub

• Preferred locations at Page Ave. or

near Conference House

• Build on Parks programs and

engage students

• Respect neighborhoods

Ecological Design

• Preference for non-motorize water

activities within breakwaters

Thank you for

your feedback!

CAC Meeting

5/25/2016



PROTECTION

UPDATE:

EIS & PERMITTING



PROTECTION

CAC Meeting

5/25/2016

EIS &

PERMITTING

UPDATE

• Scoping

document

finalized on

4/1/2016

CAC Meeting

5/25/2016



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UPDATE: FIELD WORK AND SITE VISITS

CAC Meeting

5/25/2016



PROTECTION

SINCE WE MET

LAST…

• Beach Profile

Surveys

performed on-

and off-shore

CAC Meeting

5/25/2016



PROTECTION

SINCE WE MET

LAST…

• CAC Beach Walk

4/29

• DPR Beach

Clean Up 5/15

CAC Meeting

5/25/2016



PROTECTION

SINCE WE MET

LAST…

• Timelapse

camera up and

running!

CAC Meeting

5/25/2016



PROTECTION

UPDATE: LIVING BREAKWATERS

DESIGN PROGRESS



PROTECTION

CAC Meeting

5/25/2016

Design Progress Update

• Water Hub

• Breakwater Segment Design

• Modeling

SINCE WE MET

LAST…

CAC Meeting

5/25/2016



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WATER HUB

• Water Hub

program

confirmed!

CAC Meeting

5/25/2016



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WATER HUB

• Possible Water

Hub locations

identified

CAC Meeting

5/25/2016



PROTECTION

WATER HUB

• Page Avenue

West

• Page Avenue

East

CAC Meeting

5/25/2016



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Living Breakwaters attenuate waves & create habitat!BREAKWATER

DESIGN

CAC Meeting

5/25/2016



PROTECTION

BREAKWATER

DESIGN

• Breakwater

segment design

is advancing

CONCEPTUAL PLAN

AXONOMETRIC & SECTION

CAC Meeting

5/25/2016



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BREAKWATER

DESIGN

Likely breakwater

Materials:

• Stone

• Bio-enhancing

concrete units

CAC Meeting

5/25/2016



PROTECTION

DESIGN

UPDATE

CAC Meeting

5/25/2016



PROTECTION

DESIGN

UPDATE

• Ecological Design

considerations

are integrated

into the

breakwater

design

Living Breakwaters create habitat!

CAC Meeting

5/25/2016



PROTECTION

BREAKWATER

MODELING

ITERATIONS

Parametric

breakwater design

CAC Meeting

5/25/2016



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BREAKWATER

MODELING

METHODOLOGY

Four computer

models to look at:

• Shoreline

Change

• Beach Profile

Change

• Wave

Transformation

• Water

Circulation

SHORELINE CHANGE MODELING (GENESIS) WAVE CLIMATE – WAVE TRANSFORMATION (REF-DIF)

CAC Meeting

5/25/2016



PROTECTION

BREAKWATER

MODELING

ITERATIONS

Wave attenuation

(REFDIF)

• Baseline

Modeling

results

Perpendicular

waves

Waves from the

east

Waves from the

southwest

CAC Meeting

5/25/2016



PROTECTION

BREAKWATER

MODELING

ITERATIONS

Wave attenuation

(REFDIF)

• Modeling

results with test

breakwaters

Perpendicular

waves

Waves from the

East

Waves from the

southwest

CAC Meeting

5/25/2016



PROTECTION

BREAKWATER

MODELING

ITERATIONS

Shoreline change

(GENESIS)

CAC Meeting

5/25/2016



PROTECTION

CAC Meeting

5/25/2016



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Living Breakwaters and Tottenville Shoreline Protection Project Site Map

No

breakwaters

Control

erosion, build

the beach

Build the beach & work with the

Tottenville shoreline protection

project to attenuate storm waves

Hold the shoreline

CAC Meeting

5/25/2016



PROTECTION

DESIGN PROGRESS UPDATE: TOTTENVILLE SHORELINE

PROTECTION PROJECT



PROTECTION

CAC Meeting

5/25/2016

ONSHORE

PROJECT GOALS• RISK REDUCTION

Attenuate Wave Energy

Address Shoreline Erosion

Address Impacts of Coastal Flooding

• ECOLOGICAL ENHANCEMENT

Habitat Enhancement

Green Infrastructure

• SOCIAL RESILIENCY

Increase Physical and Visual Access to the Water’s Edge

Enhance Community Stewardship

Increase Access

HOW? Raise Shorelines

HOW? Wetland Restoration. Shoreline Plantings

HOW? Continuous Trail Systems. ADA Compliant Designs.

CAC Meeting

5/25/2016



PROTECTION

ON-SHORE

SURVEY

COMPLETED• Landside

Topographic

Survey

(complete)

• Geotechnical

Borings

(out for bid)

CAC Meeting

5/25/2016



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EXISTING

CONDITIONS

• Existing

Systems

• Site

Opportunities

• Site

Constraints

CAC Meeting

5/25/2016



PROTECTION

LEVELS OF

PROTECTION

• How High?

• How Wide?

• Levels of

Protection

10 YEARDune Elevation +13’

25 YEARDune Elevation +16’

50 YEARDune Elevation +18.5’

100 YEARDune Elevation +20.5’

EXISTING DUNE ELEVATION: from +9.4’ to +12.5’ NAVD88

PRELIMINARY PREFERED DUNE ELEVATION:

+/- 15 Dune Crest Elevation

+/- 13.5 Stone Core Crest Elevation+/- 25 YEAR

PROTECTION

CAC Meeting

5/25/2016



PROTECTION

PROJECT

NAME

CHANGE• Does a Dune

work

everywhere for

Tottenville?

• Space

Constraints

• Access

Constraints

SUCCESSFUL DUNES HAVE LARGE FOOTPRINTS

TOTTENVILLE DUNE PROJECT

BECAME

TOTTENVILLE SHORELINE PROTECTION PROJECT

CAC Meeting

5/25/2016



PROTECTION

DESIGN

ENVELOPE

• Where can we

design?

• Site

Constraints

• Primary and

Secondary

Design

Envelope

LOOKING AT THE FOOTPRINT

CAC Meeting

5/25/2016



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SHORELINE

REACHES

CAC Meeting

5/25/2016



PROTECTION

OPPORTUNITIES

AND

CONSTRAINTS

• A Closer Look

• Program

Elements

• Design

precedents

CAC Meeting

5/25/2016



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DEVELOPING

DESIGN

TYPOLOGIES

CAC Meeting

5/25/2016



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CAC Meeting

5/25/2016



PROTECTION

EARTHEN BERM

TYPOLOGY

• Integrated into

park landscape

• Flexible and

adaptive to

existing

conditions

CAC Meeting

5/25/2016



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ECO-REVETMENT

TYPOLOGY

• Small footprint

• Community

Amenity

• Adaptable for

ADA access

CAC Meeting

5/25/2016



PROTECTION

ECO-REVETMENT

TYPOLOGY

CAC Meeting

5/25/2016



PROTECTION

RAISED

PATHWAY

TYPOLOGY

• Small footprint

• Protection as

Community

Access

• Enhanced

maintenance

access

CAC Meeting

5/25/2016



PROTECTION

SHORELINE

PLANPRELIMINARY CONCEPTUAL PLAN

PRELIMINARY CIRCULATION DIAGRAM

CAC Meeting

5/25/2016



PROTECTION

QUESTIONS?

CAC Meeting

5/25/2016



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BREAK OUT TABLES &

INFO SESSION

CAC Meeting

5/25/2016



PROTECTION

TABLES

1. SHORELINE DESIGN

• Preliminary Concept Plan

• Preliminary Circulation Plan

• Breakdown of Design Typologies

• Design Precedents

• Preliminary Materials

2. PROJECT OVERVIEW

Thank you !

LIVING BREAKWATERS & TOTTENVILLE SHORELINE … · 2016-06-01 · cac meeting 5/25/2016 living...

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Transcript of LIVING BREAKWATERS & TOTTENVILLE SHORELINE … · 2016-06-01 · cac meeting 5/25/2016 living...