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2/29/2012

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Glacken Slope Restoration

hNext PhasesFresh Pond Reservation, Cambridge, MA

Public Presentation

29 February 2012y

Agenda

• Introductions

P j t O i• Project Overview 

• Previous Phases

• Restoration Approach

• Schedule and Next Steps• Schedule and Next Steps

• Questions and Comments

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Project Overview

Phased Restoration Approach

• Slope stabilization and gully repair

• Community‐based restoration plantings

• Improved Drainage ‐ Perimeter Rd

d l h• Integrated Upper Slope with Glacken Field re‐design

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Previous Phases

Phase 1 ‐ Stormwater Infiltration(C l t d S 2010)(Completed Summer 2010)

Phases 2 and 3 – Slope Stabilization and Restoration Plantings( l d )(Completed Summer 2011)

Phase 1 – Golf Course Clubhouse

• Level Spreader

• Bioretention Swale

• Rain Garden

• Porous Paving Terrace

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Phases 2 and 3 –Upper and Lower Slope

• In asi e Species Remo al• Invasive Species Removal

• Gully Stabilization

• Slope Breaks

• Soil Amendments

• Restoration Plantings

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Phased Restoration Approach

Phased Approach

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Lower Slope Stabilization

• Gully Restoration

• Slope Stabilization

• Restoration Plantings

Existing Site Conditions

Erosion and Compaction

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Canopy dominated by Black Locust (35%) and Red Oak (22%) 

Invasive species removed include Norway Maple, y p ,Buckthorn, Oriental Bittersweet

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Restoration Planting Approach

• Diversify native plant community

• Increase wildlife h bit t lhabitat value

• Enhance topsoil layer

Perimeter Road Improvements

• Porous Pavement

• Refurbish Perimeter Fence

• Re‐set Curb

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Pooling, Muddy Conditions

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High Infiltration 

RatesRates

Porous Paving – Winter Conditions

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Porous Paving – Winter Conditions

Upper Slope/Glacken Fields Interface

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Next Steps

• Spring 2012 Bid process for Phase 4 (Lower Slope) Only( p ) y

• Spring/Summer 2012 Phase 4 Slope Stabilization, Gully Repair and Planting

• Summer 2013 Phase 5

Perimeter Road Improvements

• Spring/Summer 2014 (TBD) DesignPhase 6 (Upper Slope) Restoration

Questions or Comments?