4.11.2 Resource Quantity

Resources may be defined according to a base quantity, where assigned tasks consume such amount of resource relative to an output quantity.

For work-based resources such as labor and equipment, quantities are based on time. For product-based resources, quantities are based on count. For material-based resources, quantities are based on volume.

Figure 130 illustrates an instance diagram.

Resource QuantityIfcConstructionResourceIfcPhysicalSimpleQuantityIfcLabel

Figure 130 — Resource Quantity

mvdXML Specification
<?xml version="1.0"?>
<ConceptTemplate xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" uuid="a057d708-23d4-47d2-a84d-89ffc93d8fe8" name="Resource Quantity" applicableSchema="IFC4" applicableEntity="IfcConstructionResource">
  <Rules>
    <AttributeRule RuleID="QuantityType" AttributeName="BaseQuantity">
      <EntityRules>
        <EntityRule EntityName="IfcPhysicalSimpleQuantity">
          <AttributeRules>
            <AttributeRule RuleID="QuantityName" AttributeName="Name">
              <EntityRules>
                <EntityRule EntityName="IfcLabel" />
              </EntityRules>
            </AttributeRule>
          </AttributeRules>
        </EntityRule>
      </EntityRules>
    </AttributeRule>
  </Rules>
</ConceptTemplate>

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