edenfield avenue green street demonstration project · -project design & construction-outreach...
TRANSCRIPT
- 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
PublicOutreachandEducation• Publicandstaffmeetings,site
walkandvisitsduringdesignphaseandpreconstruction
• Preandpostconstructionstormwatermonitoring
• Onetooneconversationswithprojectabuttersduringsitewalkandconstruction
• Websiteupdates,blogpostsandnewsarticles
• RoleoftheStormwaterAdvisoryCommitteeandpublicevents(FaireontheSquare)
• Constructioninspectionandmonitoring