McKinley Avenue CNG Project

Columbus, OHIOMcKinley Avenue CNG StationRLBA 7962

03.07.2013CNG STATION OPTION E.2

Mechanical & Electrical Upgrades

HVAC Systems• Systemsaredesignedforcomfortcontrol,safetyoperation,

andareconstructedandcontrolledtobesafeforuseinafacilitywithnaturalgasstorage.

• Theoriginaltwoboilerheatinghotwatersystemhasbeenreplacedwithaneightboilersystemtoallowforhighefficiencyoperationthroughouttheheatingseason.Toimproveefficiencyduringtheshouldermonths,twocondensingboilersareincludedinthesystemallowingforuptoveryhighefficientoperation.

Gas Detection Monitoring• Anewgasdetectionmonitoringsystemhasbeenprovided

toallowfortheventilationrequirementstobeadjustedforenergysavingswhileprovidingdetectionnecessarytoventilateandexhaustshouldtherebeanaturalgasreleaseinsidethebuilding.

• Systemincludesapproximately360sensorslocatedthroughoutthegarageandmaintenancefacility.

• Sensorsareaninfraredtechnology.

Building Automation System• Abuildingautomationsystemhasbeenprovidedtoallow

forcompletecontrolandmonitoringofallequipment.

• Systemutilizesanopen(BACNet)protocolallowingforflexibilityandinteroperabilityinthefuture.

Electrical and Lighting• LightLevels:

• OriginalLightLevels10-15FCinthebusstorageareaand10-30FCinthebusmaintenancearea.

• NewLightLevels25FCinthebusstorageareaand50FCinthebusmaintenanceareas.

• ElectricalLoad:Approximately10.4W/SFfortheGarageandMaintenancefacility.

• Roughly1,200lightfixtures,Roughly30milesofconduit,andRoughly170milesofwiring

Featured LEED Credits• SustainableSites:Credit4.3AlternativeTransportation-

Low-EmittingandFuel-EfficientVehicles

• EnergyandAtmosphere:Credit1OptimizeEnergyPerformance

• Materials:Credit1.1BuildingReuse-Maintain50%ofInteriorNon-StructuralElements

• Materials:Credit2ConstructionWasteManagement

• Materials:Credit5RegionalMaterials

• IndoorEnvironmentalQuality:Credit7.1ThermalComfort-Design

Designing to Meet USGBC LEED Silver Requirements

LightingUpgradeAirHandlingUnit

RenovationandCompressedNaturalGas(CNG)FuelingProject

CNGStorageVessels

CompressorPlant

Schematic-CNGCompressing/FuelingStation

General Description of Facility COTA’sMcKinleyAvenuefacilityisa400,000squarefootfixed-routebusoperation,storageandmaintenancefacilityandhasindoorstoragecapacityfor240large40’buses.Inaddition,thefacilityhousesRadioroomoperations,theCustomerServicecallcenter,ITdatacenter,andadminis-trativeofficesforSecurity,Safety,VehicleMaintenanceandFacilityMaintenancesupportstaff.Thebuildingwascon-structedin1980andisinneedofsignificantupgradeandrenovationtobringthefacilityintoastateofgoodrepair.

Twoyearsago,COTAcommittedtoconvertingitsfleettocompressednaturalgas(CNG)vehicles.Thiscommitment,basedonbothenvironmentalandeconomicfactors,willre-sultinairqualityimprovementandsubstantialreductioninoperatingfuelcosts.Toadvancethisdecision,COTAwillconstructaCNGfuelingstation.TheMcKinleyAvenuefa-cilitywillbethesiteofCOTA’sinitialCNGfuelingstation.InadditiontoconstructingtheCNGstationCOTAwillberequiredtorenovatetheinterioroftheMcKinleyAvenuefacilitytoaccommodatethesevehicles.

Ultimately,thefacilitywillberenovatedto“likenew”con-ditionwithCNGcomplianceandanticipatedLeadershipinEnergyandEnvironmentalDesign(LEED)Silvercertifica-tion.LEEDdesignandconstructionwillresultinlowerlong-termoperatingcostsandanenvironmentallyfriendlybuilding.

InApril2013,COTAtookdeliveryofit’sfirstCNGcoach-es.Aspartofanewfive-yearcontractwithGilligCorpora-tion,COTAwillpurchaseupto30CNGbusesayear.Theaverageservicelifespanofatransitbusis12yearsanditisanticipatedthatCOTA’sentirefleetwillbeCNGbusesby2025.

Inviewoftheprojectedcostofnearly$75millionassociat-edwithacompleterenovationoftheMcKinleyfacilityandtheneedtosecurefunding,COTAhasdecidedtoapproachthisprojectinphases.InPhaseI,COTAfocusedmainlyonimprovementsofsafetyelementswhichincludedreplace-mentofall(32)busliftsandcriticalsupportequipmentinheavymaintenance.PhaseIIoftherenovationproject

beganin2012andisscheduledforcompletioninApril2013.Thetotalprojectedcostforthisphaseoftheprojectis$31,500,000.

PhaseIIrenovationsconsistofprovidingaCompressedNaturalGas(CNG)FuelingStationfortheeventualfleetconversiontoCNG-fueledbusesandnon-revenuevehicles.Therenovationelementscanbedividedintotwospecificcategories,(1)interiorrenovationstoupgradethefacilitytoreceiveCNGvehiclesand(2)CNGfuelingsystem.

The McKinley Avenue Renovation included the follow-ing:

• Additionoftheexteriorfuelingislandsthatincludesfourfuelinglanesandonebypasslane.

• AdditionofanewCNGbuildingforlineupofficeroom,futurecashroom,utilityroom,storageroom,restroomandMechanical/Electricalrooms.

• AdditionofanewCNGcompressorplant.• AdditionofanewGenerator.• Re-configuredparkingarea.• UpgradedmechanicalsystemsasrequiredbyNFPA.• Upgradedmaintenanceandbusstorageareastomeet

ClassIDivisionIIasrequiredintheNFPA30AChap-ter12andChapter8.

• Re-configuredbusrouteandadded/replacedallover-headdoors.

• Cleanedandpaintedtheroofofthemaintenanceandbusstorageareas.

• Replacedalllightinginthemaintenanceandbusstor-ageareas.

CNGFueling

CNG Compressor Plant• LargestCNGstationcurrentlyinuseinOhio.• Designedforamaturefleetofupto250buses.• Buseswillfuelin5to6minutesonaverage.

Mainstationcomponents:1. Onetwintowermanuallyregenerated

desiccantCNGdryer—manufacturedbyPSBinPennsylvania.

2. Four400Hp5stagereciprocatingcompressors.Oneofthefourcompressorsisprovidedtoensureredundancyintheeventofabreakdownononecompressor.Compressorsoperatewitha20psigsuctionpressureandamaximumdischargepressureof4500psig.CompressorsblocksaremanufacturedbyArielCorporationofMountVernon,OHandpackagesfabricatedbyANGIEnergyinWisconsin.

3. Twelve5500psigASMEstoragespherescontainingatotalvolumeofapproximately140,000standardcubicfeetofCNG.StoragemanufacturedbyJWinTexas.

4. ThreehighflowCNGdispenserswithlightandheavyvehiclehoses.Thesedispensersworkwith4valvepanels(oneateachcompressor)andonestoragemountedpaneltodirecttheflowofgastooptimizefillspeed.DispensersystemmanufacturedbyANGIEnergyinWisconsin.

5. ProgrammableLogicController(PLC)basedcontrolsystemandallmotorcontrolgearishousedinaprefabricatedcontrolroom.ThissystemmanufacturedbyANGIEnergyinWisconsin.

6. StandbygeneratorandAutomaticTransferSwitchtoprovidesufficientpowertopowertwocompressorsduringanoutage.

CNG Fueling Station• BypassLaneforcashdropandtirepressurecheck• 4fuelinglanes–ofwhichlane4willultimatelyhave

bothCNGanddiesel• Eachofthe4fuelinglanesalsohasvehiclefluids(en-

gineoil,transmissionoil,coolant,windshieldfluid)fortoppingoffduringfueling

• Canopyhasinfraredheatersforthewintermonths• Canopyareahasin-slabhotwaterheatingsystemto

eliminateiceandsnowduringwintermonths• CNGbuildinghasanofficeforthehostlers,arestroom,

storagerooms,aluberoomandmechanicalspaces

Natural Gas Line Upgrade• Servicewasupgradedfroma6”toa8”main.Medium

pressureservicehasanaveragepressureof25psi.Columbiagasguarantees10psi.

SitePlan