presentation: cell block: how to sustainably power a city block
DESCRIPTION
This presentation, which takes a typical city block in San Francisco and proposes a possible path to make it a place for local and sustainable living. The city block is transformed from typical inefficiency to Zero Impactthrough incremental solutions and strategies focusing on three levels of implementation across three different areas: Energy, Transportation and Water.This presentation won the 2008 Re:Volt Competition sponsored by Urban ReVision.TRANSCRIPT
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DesignContestSubmissionMay1,2007
PresentedbyMembersofthePresidioSchoolofManagementGreenBuildingClub:
AdamCorneliusStevePuma
KateRandolphJoyRios
RobinConnellSheilaSamuelson
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"Weareonaspaceship;abeautifulone.Ittookbillionsofyearstodevelop.We'renotgoingtogetanother.Now,howdowemakethisspaceshipwork?"
‐R.BuckminsterFuller
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CityBlockasaCell
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OurApproach
Stage1wouldallowforsimplesolutionsreadilyavailableStage2requiressignificantinvestmentandcommunitycoordinationStage3representsanidealsynergybetweenthethreevitalcomponents
Allstagesdeliverapositiveimpacttothelocalcommunity
Weseeacityblockasequivalenttoacell,anecessarybuildingblockforlife.Eachcellbuildsuponanotherforthesustenanceoflifeforanorganism.Our
goalistohaveourcityblockleadbyexamplesoastopermeateandreplicatethroughoutthecity.
OurcityblockistransformedfromtypicalinefficiencytoZeroImpactthroughincrementalsolutionsandstrategiesfocusingon
Energy,TransportationandWater.Thesearevitalcomponentsthatenableacommunitytothrive.
ZeroImpactdoesn’thappenovernight,sowedevelopedstagesforeachcategory:Energy,Transportation,andWater
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WaterEnergy Transportation
Stage1: Solutionsthatcanbeimplementedimmediatelywithminorinvestment
Stage2:
Stage3:
Solutionsthatinvolveneighborhoodcoordinationandsignificantinvestment
Reinventingthecityblocktobezerowaste
RoadmaptoZeroImpact
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Energy:Stage1Replaceexistingitems
• Replaceincandescentbulbswithcompactfluorescentlightbulbs
• ReplaceolderapplianceswithEnergyStarmodels
• Target:15%‐50%energysavings
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Energy:Stage1Replaceexistingitems
• Installdrapesand/orwindowglazingtominimizeheating&coolingneeds
• Target:15%‐50%energysavings
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Energy:Stage1Replaceexistingitems
• Paintroofswithlightorreflectivepainttoreducecoolingneedsandreduceheatislandeffect
• Target:15%‐50%energysavings
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Energy:Stage1Replaceexistingitems
• ModifyHVAC–replaceolderapplianceswhichmaycontainCFCininsulationfoamsuchas:
• A/Cunits• Olderrefrigerators/freezers• Dehumidifiers
• Target:15%‐50%energysavings
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• Aerotecturewindturbinesontopofbuildings
• Target:100%energyproduction
Addnewtechnologiesalreadyonthemarket
Energy:Stage2
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• Solarpanelsonroofsandinparkinglotstoshadecars/blacktop:
• Target:100%energyproduction
http://www.treehugger.com/files/2006/01/_patagonia_comp.php
http://www.futureenergy.org/infohouse.html
Energy:Stage2Addnewtechnologiesalreadyonthemarket
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Energy:Stage2
Lightshelveswithfiberopticcables:
• Combinedwithdimmersprovideupo46%energysavings
• Lightbouncesofftopsofshelvesontoceilingofroom
• Providesshading&reduceswindowglare
• Target:100%energyproduction
Addnewtechnologiesalreadyonthemarket
http://www.fsec.ucf.edu/en/publications/html/FSEC‐PF‐340‐98/index.htm
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Energy:Stage2
North‐facingskylightswithsuperwindows:
http://windows.lbl.gov/facilities/Mowitt/superwindows_can_outperform_wall.htm
• Superwindowsoutperformwalls
• Argon(aninertgas),doesn’tconductheat&preventscondensation
• Metallicoxidelayerdepositedonwindoworskylightglazingsurfacereducessolarheatgain&UVtransmission
Addnewtechnologiesalreadyonthemarket
• Target:100%energyproduction
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Energy:Stage3Closeloopsandgivepowerback
Hydropower:
• Waterwheelscurrentlyindevelopmenthavethepotentialtoproduce1‐2kWofpower,andgenerateatleast24kWhofsustainableenergyperday(theaveragehouseholdconsumesabout28kWhdaily)
• Cangenerateelectricityfromwaterfallingfromaslittleas20cm
Target:100%+energyproduction
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Energy:Stage3Closeloopsandgivepowerback
Expandingtheconcept:Hydropowerusingfilteredgreywater
http://www.rpc.com.au/products/hydropowerhttp://www.newenergynews.blogspot.com
http://www.stewartcomponents.net
Hydroelectricgenerator
Lithium‐ionbattery
Target:100%+energyproduction
Solar‐poweredwaterpumps(greywaterfilteredatsource)
Day:Pumptostoragetankonroofusingday‐usePV,orusesolarthermalsystemto"percolate"greywatertoroof
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Energy:Stage3Closeloopsandgivepowerback
Expandingtheconcept:Hydropowerusingfilteredgreywater
http://www.rpc.com.au/products/hydropowerhttp://www.newenergynews.blogspot.com
http://www.stewartcomponents.net Target:100%+energyproduction
Hydroelectricgenerator
Lithium‐ionbattery
Solar‐poweredwaterpumps(greywaterfilteredatsource)
Night:Pipewaterthroughturbinesfromrooftoground‐‐turbineschargeLithium‐Ionbattery
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Transportation:Stage1promotealternatives
• Purchase5‐10bikestobesharedbycommunity
• Providebikestorageatcommunitycenter
• Setupcarpoolprogramforcommuterstoandfromtheneighborhood,andplaceacarpoolbulletinboardforride‐sharingatthecommunitycenter
• OfferChicagoClimateExchangecarbonoffsetstoneighborhoodcarowners
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Transportation:Stage2promotecar‐sharing
• Implementneighborhoodcarshareprogramwithestablishedcarsharecompany.Severalcarstobededicatedforuseexclusivelybythisblock
• PartnerwithcarsharecompanytosponsorCleanAirDays–advertisingthemodelblockwheremembersvisitasalearningexperience
• Allowneighborsinlocalvicinitytorentthesecarswhentheyarenotinuse
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Transportation:Stage3
• Managecommunitybiodieselproductionforcaruseandforsaleforotherlocalcarowners.
• Biodieselconverterisjustover4'squaresoitcouldfitinalmostanyone'sgarageandproduces80gallonsofbio‐dieselperbatch.
• Onebatchperdaycouldproduce29,200gallonsperyear!
Reduce/Eliminateuseoffossilfuels
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Transportation:Stage3
• Part1:Divertwastevegetableoilfromlocalrestaurantsforbiodieselproductionatlocalbiodieselco‐op
• Part2:UsethefuelinTDI‐typeenginesforcommunitycars
• Part3:Setupsmallhome‐biodieselproductionsystemforcommunityuse
Reduce/Eliminateuseoffossilfuels
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Water:Stage1WaterConservation
• Rainbarrelsinstalledtocatchrainwaterfromeachhomeandcommercialsite.SanFranciscoreceives23"ofrainfallonperyear.
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Water:Stage1WaterConservation
• Installlow‐flowtoiletsinhomes,residential,andthecommunitycenter,toreducegallonsperflushfrom5to1.6
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Water:Stage1WaterConservation
• Installwaterlessurinalsinthecommunitycentertosave45,000gallonsperyear,each
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Water:Stage2UtilizeRainwater
• Addextensivevegetativerooftilesforrainwaterretention,toreduceheatislandeffect,prolongrooflifeandprovideinsulation
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Water:Stage2UtilizeRainwater
• Undergroundrainwatercollectionbasinscollectwaterfromcommunitycenterroofforwateringcommunitygardensorsoccerfield
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Installdripirrigationingardenstoreduceevaporationwhiledeliveringwaterexactlywhereandwhenit'sneeded
Water:Stage2UtilizeRainwater
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• Replace2‐3feetofcurrently6'widesidewalkswithpermeablevegetativestripstoreducerunoffandaidgroundwaterrecharge.Useindigenous,drought‐resistantplants.
Water:Stage2UtilizeRainwater
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• Replaceallsidewalks,drivewaysandparkinglotswithpermeablepavementtorechargegroundwaterandreducesewerload
Water:Stage3UtilizeGrey‐water
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• Reconfigureplumbingtoutilizegreywaterfortoiletflushing
Water:Stage3UtilizeGrey‐water
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• Installintensiverooftopcommunitygardensforrainwaterretentionandgrey‐waterutilization,toreduceheatislandeffect,prolongrooflifeandprovideinsulation
Water:Stage3UtilizeGrey‐water
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CommunityImpact:Stage1
• Replacegrasswithindigenousplants
• Encouragecommunitygardening
Neighborhood collaboration creates community
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CommunityImpact:Stage1
Priorityparkingforhybridsandcarpoolspromotestheuseofvehiclesutilizingalternativeenergy
Neighborhood collaboration creates community
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CommunityImpact:Stage1
• Communitybikesandbikelockersgrantsafespacesforcyclists
Neighborhood collaboration creates community
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CommunityImpact:Stage1
Communityrecyclingandcompostingareasprovideaconvenientplacetodisposeofgoodsaswellascontributetothevitalityoftheblock
Neighborhood collaboration creates community
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CommunityImpact:Stage2
Coveringpartoftheresurfacedparkinglotwithtrellisestogrowvegetationcreatesamoreaestheticallypleasingenvironment
Neighborhood collaboration creates community
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CommunityImpact:Stage2
Sharingelectricandbiodieselcarswithinthecommunity:
• Encouragesfriendships
• Buildsskillsinnewtechnologies
Neighborhood collaboration creates community
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CommunityImpact:Stage2
Removefencesinbackyardstoprovidemorecommonspacewhereneighborscancometogethertosharemealsandsupportcommunalchild‐careprograms
Neighborhood collaboration creates community
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Creategreencorridorsthroughouttheblocktocontributetoapark‐likeatmosphere
CommunityImpact:Stage3Neighborhood collaboration creates community
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Electricandbiodieselrefuelingstationsprovideconvenientandenvironmentallyfriendlyspaceformembersofthecommunitytorefuel
CommunityImpact:Stage3Neighborhood collaboration creates community
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• Communalspacesbreakupthemonotonyofbuildingsbyofferingbeautyinthemostunexpectedplaces
• Whenneighborsworktogethertoimprovetheblock,theybuildcommunityandincreasepride
CommunityImpact:Stage3Neighborhood collaboration creates community
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ThankYou