Table 2

Roof utilisation factor calculation

No.ItemArea (m2)Source
1Total roof gross internal area (i.e. Roof GFA: from inside face of parapet wall)954Revit
2Total area occupied by structures and MEP services (Roof MEP)
  • Shaft area

  • Staircase area

  • Water-Tanks area, and

  • Air Cooled Chillers

128.8Rhino
3Maintenance Area (Roof MA)217.2Rhino
4Shaded Area (Roof SHA)230UE 5
5Roof Usable Area (Roof U)378
 Roof Utilisation Factor (Roof UF)39.62%

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