The OpenRFA collection is the brain-child of several architects, engineers, contractors, and BIM specialists from around the world who worked together to create the first crowdsourced set of shared parameters.
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  The OpenRFA collection is the brain-child of several architects, engineers, contractors, and BIM specialists from around the world who worked together to create the first crowdsourced set of shared parameters.
| PARAM | DATATYPE | TAGS | 
|---|---|---|
| CurrentReturnFanFullLoad  | ELECTRICAL_CURRENT | Electrical | 
| CurrentSupplyFanFullLoad  | ELECTRICAL_CURRENT | Electrical | 
| DataCenterLocation  | TEXT | Electrical | 
| DataCenterSide  | TEXT | Electrical | 
| DateDueSheetDetailed The date that the detailing is due for a work package. | TEXT | Common | 
| DateDueSheetDraft The date that the draft is due for a work package. | TEXT | Common | 
| DateDueSheetFinal The date that the final version of a work package is due to be issued for construction (IFC). | TEXT | Common | 
| DeliveryDate  | TEXT | Common | 
| DensityPerInchCoolingCoilFin  | NUMBER | Mechanical | 
| DensityPerInchHeatingCoilFin  | NUMBER | Mechanical | 
| DensityPerInchHeatPumpCoilFin  | NUMBER | Mechanical | 
| DepthRackUnit  | LENGTH | Electrical | 
| Designation  | TEXT | Common | 
| DesignCoolingTotalCapacityTotalCoolingDesign  | HVAC_COOLING_LOAD | Mechanical | 
| DetailHead Applies to Assemblies, Doors, Windows and sometimes Walls. Allows for consistent scheduling of details and key schedules for details. | TEXT | Architectural | 
| DetailJamb Applies to Assemblies, Doors, Windows and sometimes Walls. Allows for consistent scheduling of details and key schedules for details. | TEXT | Architectural | 
| DetailSill Applies to Assemblies, Doors, Windows and sometimes Walls. Allows for consistent scheduling of details and key schedules for details. | TEXT | Architectural | 
| DiameterEmbedStud The diameter of the studs on structural embed. | LENGTH | Structural | 
| DiameterExhaustFanWheel Wheel size of an exhaust fan | LENGTH | Mechanical | 
| DiameterFlue  | LENGTH | Mechanical | 
| DiameterSupplyFanWheel Wheel size of a supply fan | LENGTH | Mechanical | 
| DiameterUnit The overall diameter of an equipment element | LENGTH | Mechanical | 
| DistanceAirOpeningMin  | LENGTH | Mechanical | 
| DistanceClearanceBack  | LENGTH | Common | 
| DistanceClearanceBottom  | LENGTH | Common |