Edenfield AvenueGreenStreetDemonstrationProject

NEWEAAnnualConferenceJanuary2018

- Project/GrantBackground

- RoadReconstructionElements

- WhatisaGreenStreet?

- LocalPilotsandExamples

- ProjectDesign&Construction

- OutreachandLessonsLearned

- ScalingupfromthePilots

Edenfield AvenueGreenStreetDemonstrationProject

- Excessivewidth(32’)foraresidentialstreet,makingitagoodcandidateforroaddiet

- Deterioratedsurfaceconditionduetorecentlycompletedutility(gas,waterandsewer)improvements

- Implementa“greeninfrastructure”projectincoordinationwitharoadreconstructionproject

- IncreasepublicawarenessandinterestintheissuesrelatedtostormwaterpollutionandthepotentialbenefitsthatGIcanprovide

- Increasedepartmentalcapacitytoaddresscurrentandfuturestormwaterneedsusinglowcost,proventechnologies

- DevelopastandardprocessforincorporatingGIintoroadreconstructionprojects

ProjectBackgroundandGoals

- AwardedbyMassachusettsDepartmentofEnvironmentalProtectionunder319Non-PointSourcePollutionGrantProgram

- CRWApartneringwiththeDPWtodesignandimplementagreenstreetdemonstrationprojectatEdenfield Avenue

- PublicoutreacheffortswillbecloselycoordinatedwiththeTown’sStormwater AdvisoryCommittee

- GreenInfrastructuredesignbyHorsleyWittenGroup,overallprojectengineeringbyWorldTech EngineeringandconstructionbyNewport

319GrantandProjectBackground

Stormwater andWaterQualityTypicalpollutantsinurbanrunoff:

- OilsandGasoline

- Trash

- LeavesandMulch

- Sediment

- Bacteria

- Nutrients

- HeavyMetals

- Roadreclamationandpaving

- Drainagerepairs

- Granitecurbing

- Concretesidewalks

- Handicapramps

- Grassbordersandstreettrees

TypicalRoadReconstructionElements

- Roaddiets

- Accessibleramps

- Pavementmarkings

- Reducedcrosswalk

lengths

- Curbing

- “Bumpouts”

- Reducedcornerradii

- Reclaimedgreenspace

- Streettrees

Watertown’sCompleteStreetsApproach

WhatisGreenInfrastructure(GI)?- Mimicsnaturalprocesses

- Treatsstormwater asclosetosourceaspossible

- Maximizesinfiltrationtoreducesurfacerunoff

- Oftenemploysoilsandvegetation

WhatareGreenStreets?Astreetdesignedto:• beavisiblecomponent ofasystemof

“greeninfrastructure”thatisincorporatedintothe aestheticsofthecommunity

• integrateasystemofstormwatermanagement withinitsrightofway

• reducetheamountofwaterthatispipeddirectlytostreamsandrivers

• makethebestuseofthestreettreecanopyforstormwater interceptionaswellastemperaturemitigationand airqualityimprovement

GreenStreetBenefits

• Waterqualityimprovementsandvolumereductionsinstormwater beingdischargedintoreceivingbodiesofwater

• Keylinkingcomponentincommunityeffortstodeveloplocalgreeninfrastructurenetworks

• Improveslocalairqualitybyprovidinginterceptionofairborneparticulatesandshadeforcooling

• Reducesheatislandeffect• Increasespropertyvalues• Calmstrafficandimprovespedestrian

experiencealongthestreetrightofway

GreenStreet:LocalExamples

HagueSt.,Allston

WesternAve.,Cambridge

FosterSt.,Cambridge

CrescentAve,Chelsea

Edenfield Avenue-ProposedRoadDiet

Edenfield Avenue-ProposedDesign

TreeTrenchSchematic

Edenfield Avenue– DesignandConstruction

ProjectAward:2016

Construction:2017

Completion:Spring2018

PublicOutreachandEducation• Publicandstaffmeetings,site

walkandvisitsduringdesignphaseandpreconstruction

• Preandpostconstructionstormwatermonitoring

• Onetooneconversationswithprojectabuttersduringsitewalkandconstruction

• Websiteupdates,blogpostsandnewsarticles

• RoleoftheStormwaterAdvisoryCommitteeandpublicevents(FaireontheSquare)

• Constructioninspectionandmonitoring

PublicOutreachandEducation

OtherGIRetrofitsinWatertown-PrivateDevelopment

65GroveStreet 570ArsenalStreetMarriott

BeaconParkatArsenal

OtherGIRetrofitsinWatertownPublic-PrivatePartnership

CommonStreet

OtherGIRetrofitsinWatertown-TownProjects

QuestionsandFeedback

PallaviKalia Mande,LF’17DirectorofBlueCities

CharlesRiverWatershedAssociationhttps://www.crwa.org/blue-cities/demonstration-projects/edenfield-avenue-green-street

MatthewI.Shuman,P.E.TownEngineer

WatertownDepartmentofPublicWorkswww.watertowndpw.org