A Tale of 3 Cities City Knowledge Applications in the City of Venice Fabio Carrera Vancouver,...

A Tale of 3 A Tale of 3 Cities Cities

City Knowledge Applications in theCity Knowledge Applications in the City of Venice City of Venice

Fabio CarreraFabio Carrera

Vancouver, September 29, 2006Vancouver, September 29, 2006

URISA 2006URISA 2006

The “plateatici” problemThe “plateatici” problem A performance-based A performance-based

microzoningmicrozoning City Knowledge and outdoor City Knowledge and outdoor

cafcafèsès A web-services solutionA web-services solution The “birth” of a The “birth” of a plateaticoplateatico Applying the 6 toolsApplying the 6 tools

Discussion Discussion

Presentation Presentation OutlineOutline

City Knowledge in VeniceCity Knowledge in Venice

Campo San Giacometto in a painting by G. Bella

Campo San Giacometto today

STREET PERFORMANCES

the ROLE of VISUAL ANALYSIS in the MICROZONING

of PUBLIC SPACE in VENICE, ITALY

Workshop on Visualization, Analytics & Spatial Decision Support, Münster, September 2006

The ProblemThe Problem High Demand for Public High Demand for Public

SpaceSpace 14,000,000 tourists (65k 14,000,000 tourists (65k

locals)locals) Negative effects on cityNegative effects on city

Impediment to Impediment to pedestrianspedestrians

NoiseNoise Visual clutterVisual clutter

Past managementPast management Localized plans -> Localized plans ->

arbitraryarbitrary Paper records + mapsPaper records + maps

Potentially available public space

STREET PERFORMANCES




Current RulesCurrent Rules Fixed-width pedestrian Fixed-width pedestrian

corridorscorridors for access to residencesfor access to residences in the middle of streetsin the middle of streets but NOT applied to squaresbut NOT applied to squares

““Areas of Respect” (buffers) Areas of Respect” (buffers) for: for: ChurchesChurches MonumentsMonuments DocksDocks

Fees and Rules based on Fees and Rules based on ZonesZones More restrictions in tourist More restrictions in tourist

areasareas Higher fees tooHigher fees too

STREET PERFORMANCES



Revised leasable space plan

Noise profiles


New ApproachNew Approach Performance-based Performance-based

indicatorsindicators Guarantee pedestrian flowGuarantee pedestrian flow

flexible-width corridorsflexible-width corridors based on ped. countsbased on ped. counts

Contain Noise Contain Noise target noise-producerstarget noise-producers higher night feeshigher night fees incremental fee structuresincremental fee structures

Minimize Visual clutter Minimize Visual clutter preserve cones of visionpreserve cones of vision reserve space for publicreserve space for public

A web-services toolA web-services tool

Business owners will request plateatico via on-line system (LOUIS)

Business owners will request plateatico via on-line system (LOUIS)

LOUIS – The CITY LAB “Local On-line Urban Information System”



The “birth” of a The “birth” of a plateaticoplateatico

City officials assess the impact of the requested permit and approve

City officials assess the impact of the requested permit and approve

1.1. Ownership and OperationOwnership and Operation

2.2. RegulationRegulation

3.3. Incentives/DisincentivesIncentives/Disincentives

4.4. Education and InformationEducation and Information

5.5. Right swappingRight swapping

6.6. Mitigation and CompensationMitigation and Compensation

6 Tools of Gov.’t6 Tools of Gov.’tapplied to the applied to the PlateaticiPlateatici

Own & OperateOwn & Operateapplied to the applied to the PlateaticiPlateatici

Municipality OWNs public spaceMunicipality OWNs public space can decide what can and cannot be can decide what can and cannot be

donedone Essential for this projectEssential for this project

businesses have no businesses have no rightsrights to to plateaticiplateatici

new approach is perfectly legitimatenew approach is perfectly legitimate When city OPERATES plateaticiWhen city OPERATES plateatici

should treat them like private onesshould treat them like private ones should know all about themshould know all about them

RegulationRegulationapplied to the applied to the PlateaticiPlateatici

Used to be the ONLY toolUsed to be the ONLY tool but it’s best in combination with but it’s best in combination with

othersothers New approach will use regulation New approach will use regulation

toto limit leasable space to allowlimit leasable space to allow

pedestrian flowspedestrian flows public use of squarespublic use of squares protection of vistasprotection of vistas buffers around sensitive sitesbuffers around sensitive sites

separate day and night hoursseparate day and night hours

Incentives/Incentives/DisincentivesDisincentives

applied to the applied to the PlateaticiPlateatici

Permit fees leverage this toolPermit fees leverage this tool Disincentives are at work inDisincentives are at work in

Higher nighttime leasing feesHigher nighttime leasing fees Progressively higher fees forProgressively higher fees for

proximity to pedestrian flowsproximity to pedestrian flows cumulative effect on noisecumulative effect on noise

Businesses will weigh the pros and Businesses will weigh the pros and conscons Can still lease up to max allowableCan still lease up to max allowable But will pay higher pricesBut will pay higher prices

Education & Education & InformationInformationapplied to the applied to the PlateaticiPlateatici

The web-based tool adds The web-based tool adds transparencytransparency businesses will KNOW why fees varybusinesses will KNOW why fees vary arbitrary decisions are eliminatedarbitrary decisions are eliminated

Participatory process is envisionedParticipatory process is envisioned involve citizens and businessesinvolve citizens and businesses

would vest all in the final planwould vest all in the final plan may uncover new anglesmay uncover new angles

Web tool could be available to Web tool could be available to citizenscitizens to understand the rationale of the to understand the rationale of the

planplan to suggest improvementsto suggest improvements to report violations (w/ photos)to report violations (w/ photos)

Right TranfersRight Tranfersapplied to the applied to the PlateaticiPlateatici

May allow businesses to trade May allow businesses to trade rightsrights with themselveswith themselves

give up nighttime for cheaper/more give up nighttime for cheaper/more daytimedaytime

with each otherwith each other transfer space to adjoining businessestransfer space to adjoining businesses in exchange for an abatement on their in exchange for an abatement on their

feesfees Difficult tool, but powerfulDifficult tool, but powerful

worth considering fully and carefullyworth considering fully and carefully

Mitigate & Mitigate & CompensateCompensate

applied to the applied to the PlateaticiPlateatici

Shows its power as a tool in this Shows its power as a tool in this projectproject

Extra fees collected by new plan Extra fees collected by new plan willwill pay for extra enforcementpay for extra enforcement allow frequent noise monitoringallow frequent noise monitoring cover soundproofing measurescover soundproofing measures

soundproof windows and doorssoundproof windows and doors provide air conditioningprovide air conditioning all affected neighbors will be eligibleall affected neighbors will be eligible

fund improvements to online toolfund improvements to online tool

Overall Overall DiscussionDiscussion

about City Knowledge and its applications in about City Knowledge and its applications in

London, Boston and VeniceLondon, Boston and Venice

Fabio CarreraFabio [email protected]@wpi.edu

http://www.wpi.edu/~carrerahttp://www.wpi.edu/~carrera

Adrian HewittAdrian [email protected]@merton.gov.uk

Bryan GlascockBryan [email protected]@cityofboston.gov

A Tale of 3 Cities City Knowledge Applications in the City of Venice Fabio Carrera Vancouver,...

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