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BIM-MEPAUS SPECIFICATIONFan Coil UnitsIssued By:BIM-MEPAUS30 Cromwell Street, Burwood 3205 VIC AustraliaRevision:REV ADateDecember 2016

BIM-MEPAUS SpecificationFan Coil UnitsAcknowledgementsBIM-MEPAUS greatly acknowledges the contributions of the following organisations to this specification. D&E Air ConditioningBSAColair A.G. CoombsA2K TechnologiesO’Connors ServicesFormatting conventionsThe following table provides the text formats used in BIM-MEPAUS documentation and their application.Text TypeExampleIndicatesItalicised textBIM Execution PlanThe generic title for a type of documentBold italicized textBIM-MEPAUS specificationThe name of a referenced documentRed bold textLODFirst reference to a term or abbreviation that isdefined in the website glossary under PracticesBlue textwww.bimmepaus.com.auHyperlink / web linkBlue italicised textExplanatory notesExplanatory notes or reference informationGreen bold textFuture developmentSections or documents that are still underdevelopment by BIM-MEPAUS.Keeping BIM-MEPAUS up-to-dateBIM-MEPAUS specifications, templates and content are updated to reflect changes in legislation, technology andindustry practice. Feedback and suggestions are welcome and can be made via the BIM-MEPAUS website. Updatesare managed and delivered through the BIM-MEPAUS website.Liability DisclaimerBIM-MEPAUS makes no warranty, expressed or implied, including but not limited to any implied warranties ofmerchantability and fitness for a particular purpose, nor assumes any legal liability or responsibility for the accuracy,completeness, or usefulness of the information in this document.In no event shall BIM-MEPAUS or its agents be liable for damages or losses resulting from your use of, or relianceon the information provided in this document.COPYRIGHT BIM-MEPAUSAll rights reserved.BIM-MEPAUSDecember 2016

BIM-MEPAUS SpecificationFan Coil UnitsTable of Contents1 INTRODUCTION . 11.1 Scope . 11.2 BIM-MEPAUS reference documents . 11.3 Objectives . 11.4 BIM-MEPAUS Schema . 12 APPLICABLE STANDARDS . 23 MODELS . 33.1 Model workflow . 33.2 Generic design content. 33.3 Manufacturer certified content . 33.4 Commissioned As-Built Model . 44 SHARED PARAMETER SCHEDULING . 55 FAN COIL UNIT SPECIFICATION . 75.1 Fan Coil Unit duty selection . 75.2 Fan Coil Unit installation arrangements . 75.3 Smoke spill applications . 75.4 Fan Coil Unit motor selection . 85.5 Fan Coil Unit coil selection . 86 REVIT FUNCTIONALITY . 96.1 Category classification. 96.2 Functional type and sub-type . 96.3 Family naming syntax . 96.4 Family/type version control . 96.5 Omniclass . 106.6 Connector settings. 106.7 Family geometry . 116.8 Clearance and access zones . 117 PARAMETER SCHEDULES .127.1 Identity schedule. 127.2 BIM classification schedule . 137.3 System analysis schedule . 137.4 Green building properties schedule . 137.5 Performance/Quality schedule . 147.6 Manufacturer schedule . 177.7 Commissioning schedule . 187.8 Completion schedule . 197.9 Generic design model schedule . 207.10 MCM schedule. 24BIM-MEPAUSDecember 2016

BIM-MEPAUS SpecificationFan Coil Units1INTRODUCTION1.1 ScopeThis document sets out the BIM-MEPAUS specification for the following families: Fan Coil Units (off the shelf and custom built units);Fan Coil Unit scheduling options allow inclusion of: Chilled WaterHeating Water Coils;Fan Coil Unit options not included are: Air filtersReturn/Outside Air Volume Control DampersFan Coil Units typically serve single zones and are generally suspended from above.1.2 BIM-MEPAUS reference documentsThis specification should be read in conjunction with the following specifications and documents: BIM-MEPAUS Ducting systems, plant and equipment schedule – this Excel based schedule providesthe complete listing of ductwork systems, plant and equipment names as well as the system colourschema. BIM-MEPAUS Fan Coil Unit product data template – this Excel based schedule details the BIM-MEPAUSIndustry Foundation Model and generic design families provided by BIM-MEPAUS including the catalogueof size types provided for design purposes. The workbook also provides the complete schedule of sharedparameters and the product data templates for designers and product manufacturers. BIM-MEPAUS Master shared parameter schedule – this document provides the reference source for allshared parameter names used within BIM-MEPAUS Generic Design and Manufacturer Certified Model(MCM) content models together with the Revit MEP classification of each parameter and its associatedBIM-MEPAUS GUID. BIM-MEPAUS Plant, equipment and fitting scheduling specification – this document details thetechnical and workflow requirements in relation to shared parameter scheduling.These documents can be accessed through the BIM-MEPAUS website.1.3 ObjectivesBenefits sought through the development and implementation of this BIM-MEPAUS specification include: A structured approach to the specification and modelling of Fan Coil Units; Reliable and accurate Design to Commissioned As-built workflows; and Industry standardization delivering improved supply chain efficiency and reduced project costs and risksto the client and project team.1.4 BIM-MEPAUS SchemaWithin BIM-MEPAUS the plant, equipment and fitting schema is used to determine the component life cycle modellingrequirements, Fan Coil Units are classified as mechanical equipment, sub-category FCU (user definable).BIM-MEPAUSDecember 2016Page 1

BIM-MEPAUS SpecificationFan Coil Units2APPLICABLE STANDARDSThere are a number of requirements in the National Construction Code as well as relevant Australian andinternational standards that relate to Fan Coil Units design and selection.Codes and standards referenced in this specification include:General RequirementsNCC/ BCA:National Construction Code / Building Code of AustraliaAS 1668.1 -2015:The use of ventilation and air conditioning in buildings – Part 1: Fire and SmokeControl in multi-compartment buildingsAS 1668.2 -2015:The use of ventilation and air conditioning in buildings – Part 2: MechanicalVentilation in buildingsAS/NZS 3666.1:Air Handling and water systems of buildings – Microbial control – Design,installation and commissioningISO 5801: 2007:Industrial Fans - Performance testing using standardized airwaysAS/NZS ISO 12759:Fans - Efficiency classification for FansAir handling systemsFan Coil UnitsBIM-MEPAUSDecember 2016Page 2

BIM-MEPAUS SpecificationFan Coil Units3MODELS3.1 Model workflowOne of the principle aims of BIM-MEPAUS is to enable efficient BIM workflows that see the design modelprogressively refined through the design, virtual build and construction process to ultimately deliver a completedCommissioned As-Built Model.A key step in this process is the virtual build during which the change-out of the generic design components withManufacturer’s Certified Models (MCMs) occurs. These MCMs are able to support a range of construction andcommissioning workflows as well as the asset’s life cycle management post-handover.The completed construction model generated through the virtual build is then used to drive a range of activitiesincluding site layout, procurement and installation scheduling and tracking.Once the installation is completed and the systems commissioned, as-built data and project completion informationare used to finalise the Commissioned-As Built Model for handover to the client.3.2 Generic design contentBIM-MEPAUS generic design families provide a catalogue of sizes (types) or one adjustable parametric object, thatallow designers to spatially model to LOD 300 as well as specify the Fan Coil Unit performance and qualityrequirements.The generic design model shared parameters have been developed through industry consultation and areconsidered those necessary to schedule the quality and performance requirements for tendering and procurementpurposes.Design firms with content libraries can pre-populate these Fan Coil Unit design families with their specific qualityspecifications in order to minimise repetitive data entry on each use in a project. This approach limits subsequentscheduling to only those instance based performance parameters that are typically scheduled in specificationequipment schedules.The generic design Fan Coil Unit is setup to be fully adjustable, no specific catalogue of sizes is provided due tothe extensive variability of selections available.3.3 Manufacturer certified contentThe virtual build develops the design model into the LOD 400 construction model and typically involves changingout the design content with manufacturer certified content. Where the manufacturer’s model is BIM-MEPAUScompliant this should be readily achieved.Manufacturer’s models are preferably generated from the BIM-MEPAUS Industry Foundation Models (IFM) andare a single type family that has the Fan Coil Unit geometry needed for the virtual build plus the manufacturer datafor the specific Fan Coil Unit to be supplied to the project.BIM-MEPAUS certified manufacturer models are fully interchangeable with the generic design models and provide: Accurate geometryPerformance dataFull BIM-MEPAUS Revit operability.Where the data is not able to be provided by the manufacturer in Revit shared parameter format, manufacturer datashould be delivered in Excel format using the BIM-MEPAUS Product Data Templates to allow the data to be efficientlyimported by the specialist trade contractor into their scheduling database or Revit virtual build model.Microsoft Excel based product data templates are provided for this purpose on the BIM-MEPAUS website under thespecification product templates section. Where required additional fields can be drawn from the shared parameterschedules in this specification to provide additional product data as required.BIM-MEPAUSDecember 2016Page 3

BIM-MEPAUS SpecificationFan Coil UnitsAs the MCM and supporting shared parameter schedule replaces the certified drawings and technical schedulesthat have traditionally been provided by manufacturers, the model accuracy should be no less than that providedby a manufacturer’s certified drawing.Manufacturer’s certified models should preferably include a link to a pdf or web page providing pre-commissioningchecklists for modellers and shop drawers to facilitate the proper incorporation of the component into the model aswell as providing the pre-commissioning check sheet for the project site team.3.4 Commissioned As-Built ModelThe commissioned as-built model comprises the construction model updated to reflect any changes made duringthe field installation.BIM-MEPAUSDecember 2016Page 4

BIM-MEPAUS SpecificationFan Coil Units4SHARED PARAMETER SCHEDULINGThe shared parameter schema has been developed to effectively support data requirements for design,procurement and commissioning as well as life cycle asset management.All BIM-MEPAUS plant and equipment models have the same schedule structure shown below. IdentityBIM ClassificationSystem AnalysisGreen Building PropertiesPerformance / QualityManufacturerCommissioningCompletionSystem Analysis, Green Building Properties and Commissioning schedules are only included where applicable orwhere they have been defined by a relevant standard.The schedules are progressively completed as the MEP services model progresses through design and virtualconstruction to a fully completed Commissioned As-built component within the final model.Schedule SectionGeneric Design / MCMModel scheduleSchedule completion byIdentityGeneric design modelDesigner / Manufacturer / InstallerBIM ClassificationGeneric design modelDesignerSystem AnalysisGeneric design modelDesignerGreen Building PropertiesGeneric design model / MCM modelDesigner / Installer / ManufacturerPerformance /QualityGeneric design model / MCM modelDesigner / InstallerManufacturerMCM modelManufacturerCommissioningMCM modelInstallerCompletion ScheduleMCM modelInstallerThe identity and completion schedules must be completed for all components and once the values are defined arefixed for the life of the component.It is expected that not all data will be carried in the Revit design or virtual construction model with non-core datalikely to be managed off model using scheduling databases and/or spreadsheets. This non-core data is commonlyrequired for the finalization of procurement, commissioning and facility management purposes.Manufacturer BIM data must be supplied in a format that can be imported into a data management system and/orRevit based Virtual Construction model with suitable formats including: MCM model incorporating BIM-MEPAUS Product Data Template shared parametersMCM geometry model with supporting BIM-MEPAUS Product Data Template Excel file.To allow efficient and reliable data exchanges, it is critical that the BIM-MEPAUS shared parameter names andrespective GUIDs be used.Parameters indicated in bold font are core Revit model data expected to reside in the model whilst those in italicsare non-core data that can be managed either in the Revit MEP model or off model in a scheduling database.BIM-MEPAUSDecember 2016Page 5

BIM-MEPAUS SpecificationFan Coil UnitsParameters notated with the symbolhave an industry defined set of allowable values or descriptions that arelisted in the master BIM-MEPAUS shared parameter schedule.It is noted that BIM-MEPAUS compliant manufacturer’s certified models can be used for the basis of design wheredeemed appropriate by the designer and/or where specific manufacturer plant and equipment is to be nominated.BIM-MEPAUSDecember 2016Page 6

BIM-MEPAUS SpecificationFan Coil Units5FAN COIL UNIT SPECIFICATIONThe following guidance has been developed through the industry consultation process as particular areas requiringfocus during the completion of the Fan Coil Unit quality/performance schedules.5.1 Fan Coil Unit duty selectionFan Coil Unit duty should make appropriate allowances for system leakage and/or system diversity to avoid issueswith motor sizing, Fan Coil Unit fan efficiency and system commissioning. The duct leakage calculations should bebased on ASHRAE or SMACNA ductwork surface area based methods.5.2 Fan Coil Unit installation arrangementsFan Coil Unit Installation arrangements are important in the Fan Coil Unit selection process, the schedule shouldnominate the required coil handing. Although Fan Coil Units are highly configurable, the casing arrangementtypically has a return air connection at the rear and supply discharge at the front. Alternate fan arrangements arenot available on an Fan Coil Unit .Fan Coil Unit fan arrangements are coded as below, with this parameter selectable in the shared parameters list ofthe generic design family.Handings are always nominated left or right looking in the direction of the airflow.Coil connections are nominated in the shared parameters of the generic design family in accordance with thesurface nomination diagram and Fan Coil Unit diagram below.5.3 Smoke spill applicationsAlthough not typically used for smoke spill applications, it is possible for Fan Coil Units to be incorporated intosmoke management systems. If Fan Coil Units are included in the smoke spill arrangements they may containseveral components that are covered under AS 1688.1, designers should familiarize themselves with theserequirements and ensure their design complies with the requirements. Plenums and casings particularly relating tothe construction of Fan Coil Units, shall be constructed to comply with the requirements of AS 1668.1. AS 16681998 Part 1 requiresThe exposed face of any insulation in equipment plenums, built-up air-handling and proprietary air-handlingplant casings shall have indices not greater than the following as determined in accordance with AS/NZS1530.3:BIM-MEPAUSDecember 2016Page 7

BIM-MEPAUS SpecificationFan Coil Unitsa.b.A spread of flame index 0.A smoke-developed index 3.Masonry, concrete, metal or metal-faced sandwich construction shall be deemed-to-comply materials for thepurpose of this requirement. Where casings are of metal-faced sandwich construction, all raw edges shallbe covered effectively to ensure that the insulation core is not exposed, inside or outside the casing. Wherenecessary, raw edges shall be fitted with edge strips. When located on the airstream side of the casing,edge strips or gaskets between panels shall comply with the early fire hazard indices nominated above forexposed insulation.Where not exposed to the airstream, but otherwise exposed within the building, materials used for edgestrips or gaskets between panels shall have fire hazard properties in accordance with the requirements ofthe relevant building regulations.All gaskets thicker than 3mm between metal faces and all non-metallic edge strips that project over the metalface of the sandwich panel on the airstream side of the casing shall be completely covered with metal strips.Note: Metal-faced sandwich constructions is not intended to include foil-faced insulation.5.4 Fan Coil Unit motor selectionMotor IP ratings: Typically IP54 is considered adequate for most applications – higher IP ratings may be warrantedfor specialized applications.Thermistor protection is normally provided for all motors 75kW and over as standard, however for motors under thissize thermistor protection must be specified if required to be fitted.Motors are generally based on 400V 3 Phase 50Hz 4 pole motor selections due to their lower noise and vibrationlevels with the following standard range of motors sizes available: 0.37 2.2 0.55 4.0 0.75 5.5 1.1 7.5 1.5 9.5 Motor speeds are determined by the number of poles as follows:2 Pole 48 rev/s4 Pole 24 rev/s111518.52230 37455575906 Pole 16 rev/s8 Pole 12 rev/sAlternative single phase motors are also typically available up to 1.5kW. Electronically controlled (EC) motors arealso a common option in Fan Coil Units and should be specified if required.5.5 Fan Coil Unit coil selectionCoils are a highly configurable component of Fan Coil Units and will be selected by the manufacturer to suit thedesign duty. There are several important parameters to note for coil selection that influence the geometry of theFan Coil Unit, connections required and manufacturers selection inputs.Parameter nameRange of ValuesNumber of rows2, 4, 6, 8, 10, 12Fin spacing236, 316, 394, 472Tube materialCopperFin materialAluminum or stainless steelMaximum single coil height1270 mm (40 tubes)Maximum single coil width3150 mmTube diameter9.5 / 12.7 / 15.8BIM-MEPAUSDecember 2016Page 8

BIM-MEPAUS SpecificationFan Coil Units6REVIT FUNCTIONALITY6.1 Category classificationAll Fan Coil Unit families are designated in Revit MEP as mechanical equipment.6.2 Functional type and sub-typeThe design and manufacture models functional type and sub-type are: Functional Type :Sub Type:Mechanical EquipmentFCU6.3 Family naming syntaxThe Fan Coil Unit family naming convention is as followsFormat:Generic Design: Functional Type Sub-Functional Type Generic BMA MCM: Functional Type Sub-Functional Type ManufacturerName Type Descriptor Example family names:Generic Design ModelMechanicalEquipment FCU Generic BMAManufacturer Certified ModelMechanicalEquipment FCU ManufacturerName FCU10The manufacturers certified model would include specific manufactured configuration and dimensions.6.4 Family/type version controlFamily Identification parameters are used for source and version control and are embedded in the FamilyParameters. They do not appear in the BIM-MEPAUS shared parameter schedules for the family as they are notintended to be modified by designers or constructors.Design Family – Multiple TypeFamily IdentificationUnit /TypeSample ValueFamilyNameTextMechanicalEquipment FCUGeneric BMABIM-MEPAUSDecember 2016Page 9

BIM-MEPAUS SpecificationFan Coil UnitsManufacturer’s Certified Model – single typeFamily IdentificationUnit /TypeSample ValueFamilyNameTextMechanicalEquipment FCUManufacturerName FCU10TypeNameTextAH yTextModelling Company Name6.5 OmniclassThe BIM Classification Code is a Revit System Parameter with the Fan Coil Unit Classification.System ParameterUnit /TypeValueOmniClassNumberText21-04 30 60 106.6 Connector settingsThe following Revit connectors are applied to the Fan Coil Unit ctionCalculationMethodSystem TypeLoadClassification1CHW InHydronicsupplyFaceInPre-setN/aN/a2CHW OutHydronicreturnFaceOutPre-setN/aN/a3Drain OutOtherFaceOutPre-setN/aN/a4HHW InHydronicsupplyFaceInPre-setN/aN/a5HHW OutHydronicreturnFaceOutPre-setN/aN/a6Supply airSupply airFaceOutCalculatedN/aN/a7Return airReturn N/aPower tionsN/aBIM-MEPAUSDecember 2016Page 10

BIM-MEPAUS SpecificationFan Coil Units6.7 Family geometryFamily geometry is controlled by type based parameters with the intention that the modeller should not need tomodify the geometry of generic design models or Manufacturer’s Certified Models.It is noted that the Family Dimension Parameters are used to schedule those parameters that define the type (sizeor capacity), with all detailed geometry dimensions listed separately under the Geometry Grouping.Critical dimensions in relation to the model geometry are: Ductwork Connections;Piping ConnectionsCabinet DimensionsAccess Doors Panels6.8 Clearance and access zonesClearance zones for maintenance and access are provided for plant and equipment.These requirements can be turned on or off for the purpose of clash coordination exercises.Fine Level of Detail Plan with clearance and accesszonesBIM-MEPAUSDecember 2016Fine Level Detail / Shaded 3D with clearance and accesszonesPage 11

BIM-MEPAUS SpecificationFan Coil Units7PARAMETER SCHEDULESThe schedule structure and parameters have been developed to meet the needs of the BIM-MEPAUS integratedproject delivery workflows as well as support future asset life cycle management requirements. The Product DataTemplates form a subset of the overall shared parameter scheme.Refer to Section 4 - Shared Parameter Scheduling for a detailed overview of the intended use and application ofthe schedules.Parameter fields indicated in black bold text are included in the Product Data Template with the Design ModelSchedule being provided with a sub-set of these parameters detailed in Section 7.9 Generic Design ModelSchedule.7.1 Identity scheduleFigure 7.1 Identity scheduleDesign parametersUnit / TypeSample ZoneServedTextWest FCUsLocationTextLevel 32 FCU Plant extAir Conditioning FCU EnergyComponentStatusTextCABMCM parametersUnit /TypeSample ValueManufacturerTextManufacturer NameModelTextModel NameProductCodeTextProduct CodeSerialNumberTextSerial NumberManufacturerURLTextLink to product pageAM/FM parametersUnit /TypeSample de NumberRFIDTextRFID Tag NumberBIM-MEPAUSDecember 2016Page 12

BIM-MEPAUS SpecificationFan Coil Units7.2 BIM classification scheduleThe BIM classification codes are based on the OmniClass Construction Classification System (known asOmniClass or OCCS) for the construction industry and Natspec.Fig 7.2.1 BIM classification scheduleParametersUnit ss ElementNumberText21-51.51.18.11OmniClass ElementNameTextHVAC Air DistributionNATspecWorkSectionText0721 - 0727Detailed definition of Elements can be found at http://www.omniclass.org/tables.asp with the following relevantcodes noted:Element Numbers Supply Air:Return Air:Exhaust Air:Outside Air:Air-to-Air Heat Recovery:21-04 30 60 1021-04 30 60 2021-04 30 60 3021-04 30 60 4021-04 30 60 60NATspec’s Work Section classification system can be found atwww.natspec.com.au/Products Services/listallworksection.asp .7.3 System analysis scheduleFigure 7.3.1 System analysis ScheduleParameterUnit/TypeValueFCU AirFlowCalcL/s2500SA StaticPressCalcPa310RA StaticPressCalcPa250The two calculated figures in the family are returned by the Fan Coil Unit family when placed into the system – referto Autodesk documentation for details of the calculation algorithm.7.4 Green building properties scheduleNo green building property parameters are currently defined for Fan Coil Units.BIM-MEPAUSDecember 2016Page 13

BIM-MEPAUS SpecificationFan Coil Units7.5 Performance/Quality scheduleThe performance and quality schedule details the performance and quality requirements for the Fan Coil Unit.The schedule brings together a number of typical specification requirements including those related to Fan Coil Unitdesign and performance, mechanical-electrical system integration and vibration and noise isolation.The Manufacturer’s certified model may overwrite some sections of this schedule replacing the design performancerequirements with submitted performance data.Design Note : The Fan Pressure Difference displayed in the tables in intended to be the resistance external to theFan Coil Unit casing, including filters. For clarity, coils and internal Fan Coil Unit losses are not included in thisfigure.Figure 7.5.1 Performance / Quality ScheduleFCU DetailsParameterUnit/TypeSample ValueFCU TypeText2 pipeFCU Widthmm1200FCU Depthmm600FCU Lengthmm600FCU AirFlowL/s1200FCU PressureDifferencePa500FCU ArrangementTextDraw throughFCU extTDF-35Cas

ISO 5801: 2007 : Industrial Fans - Performance testing using standardized airways AS/NZS ISO 12759 : Fans - Efficiency classification for Fans . BIM-MEP AUS Specification Fan Coil Units BIM-MEPAUS Page 3 December 2016 3 MODELS 3.1 Model workflow

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