7.1 Target

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This is similar to the interface for Conceptual Masses (please refer to Section 6.1 above).  Target for Detailed models displays average values for elements in the Revit model.

Performance values that are displayed are directly from the Revit model and (unlike Conceptual Mass Models) may not be edited. Glazing Percentages display the actual Glass to Wall ratio in the model.

Value in the upper panel (A) shows the recommended Code figure. Value in the lower panel (B) shows the current average element property in the model

As shown in the image above, the Code value that has been set will display in the upper panel (A). The current average thermal properties for these elements in the model will display in the lower panel (B).

Detailed Revit models have element families for roofs, floors, walls and glazing. These may be assigned thermal properties in Revit and these will display in Target. These values are compared to the selected Building Code that has been set and compliance or non-compliance is indicated.

Note: If some glazing does not have thermal properties assigned, it will not be included and the glazing percentage may appear lower than the actual value in the model.

Target for Detailed Models also does not have the ‘Set to maximum percentage glazing’ button that is available for Mass Models. This button is appropriate for Mass Models only as glazing areas on the model may be adjusted using this function.

Note: If there are several types of roofs in the model with different thermal properties, the average value for all types in the model will be displayed. Similarly, for floors, walls and glazing elements, a weighted average of all families (based on area) will be displayed. Thermal properties may be assigned to elements by using Edit Type in Revit to adjust the assembly and materials.

When an element has no thermal properties assigned this is indicated in Target

Element values will be compared to values set in the Building Code selected and whether the existing thermal properties comply or not will be indicated. Values will display in red if they are non-compliant.

Imperial Models will have properties in R-values for solid elements (roofs, floors and walls) and in imperial U-Values for glazing elements. Metric models will use metric U-Values for properties. It is not necessary to set units as these will be read automatically from the Revit model.

Hovering over the red asterisk will indicate which Revit family requires thermal properties or which has properties that are unexpectedly low or high

If thermal properties of elements need to be assigned or adjusted, this may be done in Revit using Edit Type. For glazing, a glazing type may be chosen from the list in Revit. Alternatively, Linc may be used to select a glazing type and assigned to the element (window or curtain panel). Please see Section 7.3 below for details on using Linc. For solid elements such as roofs, floors and walls, you may use Edit Type in Revit and adjust the element layers and materials to build up a thermal performance.


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