October2016

Green Stormwater Infrastructure

Project Development CityofNewark,NewJersey

Maria Watt, PE Passaic River Symposium Montclair State University 7th Floor, University Hall Montclair, New Jersey

•  Whygreenstormwaterinfrastructure(GSI)inNewark?

•  PotenEalpilotsiteselecEon–  3neighborhoods–  12locaEons–  Conceptdesigns

•  Programdevelopment–  HorEculturalmanual–  StandarddrawingsandspecificaEons–  Procurement–  Maintenance–  Outreach–  Funding

Overview

Newark’sSustainabilityAcEonPlanidenEfiedtheimplementaEonofGSIasamajorstrategyavailabletotheCitytomanagestormwaterandcreateamoresustainableenvironment.

WhyGSIinNewark?

NewarkisinprocessofdevelopingacomprehensivegreeninfrastructureprogramtopromoteGSIon:• CityproperEes

• Newdevelopment(tobeaddressedthroughamendmentstoStormwaterOrdinance)

• ExisEngprivatedevelopment(tobeaddressedthroughcombinaEonofgrant-fundedvoluntaryprojectsandincenEvescreatedbyfees,whichcanbereducedthroughGSIcredits)

ProgramIniEaEvesforUrbanTransformaEonusingGSI

TheLong-TermControlPlanoffersanimportantopportunityto:

•  IdenEfypotenEalGSIlocaEonswithinproblemsewersheds•  EvaluateGSIeffecEvenessforaddressingcombinedsewer

overflows(CSOs)•  CollaborateamongCitydepartmentsandpartnerson

advancingGSI•  EngagestakeholdersonGSI

LeveragingGSItoReduceCombinedSewerOverflow

•  IdenEfyanddevelopconceptdesignsforarangeofbroadlyreplicableGSIforNewark

•  DevelopapproachesforsiteidenEficaEon,cost-efficientintervenEonsandcombinaEonsofintervenEons,performancecharacterisEcs,andselecEonofappropriatevegetaEon

•  LaythegroundworktoadvanceseveralGSIpilotprojectsandhelpidenEfystewardshipopportuniEesformaintenancesupport

ProjectPurpose

GISData•  CSOArea•  Imperviouscover•  TaxParcel

•  City-owned•  City-owned

foreclosure•  Vacant/derelict

•  ElevaEon(DEM)•  LandUse/LandCover

GSINeighborhoodandSiteSelecEon

CommunityConsideraEons•  NeighborhoodCharacter•  CommunityGroups/Partners•  Development/Redevelopmentplans•  MunicipalCIP•  Visibility•  PoliEcal/socialequity

NeighborhoodFocusforthisproject:•  EastFerry,Fairmont,andLowerBroadway

PotenEalPilotSiteSelecEon:•  12locaEonsforneighborhoodconceptdesign

EastFerryConceptDesigns

FairmontConceptDesigns

LowerBroadwayConceptDesigns

•  ManyciEesareimplemenEngGSI;manygo-byexamplesavailable,andlessonslearned

•  ConceptdesignsformostallGSIhavebeendeveloped

•  SpecificaEonsarealsoavailablefromGSIciEes

GreenStormwaterInfrastructureDesign

•  WorktowardsexpandingtheinsEtuEonalcapacityofCitydepartmentstoimplementandmanageGSIthoughtraining,workflowandorganizaEonalalignment,partnerdevelopment,andstaffaddiEons

•  Considerbuildingin-housedesignsupportforstandard/replicableinstallaEons.

•  GSIshouldbebuiltintoexisEngassetmanagementprograms,withsufficientstaffavailabilityandbudgetformaintenance.

GSIProgramDevelopment:InternalCapacity

•  ContractorexperEsew/GSIvarieswidely.Considerpre-qualifyingexperiencedcontractors.Oncesufficientcapacityisdevelopedwithinthecontractorcommunity,considerunit-basedcontracEng.

•  Designshouldfullyconsiderfuturemaintenance

needs(trashremoval,replacementofvegetaEon,maintenanceofdrainagesystem,etc.)–  ManyGSIprogramsareengagingneighborhoodresidentsaspartners;creaEngasenseofownership

–  GSImaintenancecreatesopportunityfornew“green”jobs!

GSIProgramDevelopment:ExternalConstrucEonandMaintenanceCapacity

•  ConEnueworkingwithstakeholderstowardsasharedpublicvisionforstormwatermanagementandcommunitygreeningthrough–  OutreachandcoordinaEonwithkeyneighborhoodassociaEonstosupportdesigninsightandmaintenance

–  LeveragetheLong-TermControlPlanningprocessforpubliceducaEonandengagement

GSIProgramDevelopment:StakeholderCoordinaEon

•  NewUSEPArequirementsforreducingCSOswillrequirespendingthatissignificantlygreaterthanpastbudgetallocaEons

•  Increasethefinancialresourcestoimplementgreeninfrastructurethroughgrants,partnerships,andpotenEallyadedicatedrevenuestreamthroughuElityfees

GSIProgramDevelopment:DiversifyGSIFunding/Revenue

•  InmanycasesGSI/LowImpactDevelopment(LID)costsaresimilartoorlessthanthecostsoftradiEonalgreypipedandlargevolumestorage

TransformingUrbanSpaces

Discussion