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For 2 Units

Wall Surfaces

• Exterior wall surfaces currently rely on brick on metal stud layer. I selected this material due to:
• Visual appeal of brick
• Bricks are widely used and available, which has positive cost implications
• Relatively high thermal resistance value (R value of 54.02 per Revit)
• Relatively low heat transfer coefficient (0.0185 per Revit)
• The characteristics described above are beneficial given Sao Paolo’s relatively warm climate.

Roof Surfaces

• “Two part roof” relies on a flat portion combined with a north-facing sloped portion.
• Solar PV will be pased on north-facing sloped portion to maximize onsite solar generation
• Considering implementing green roof on flat portion

Openings / Glazed Surfaces

• North facing wall relies entirely on curtain wall fitted with double glazing - 1/4 in thick / bluegreen low-E glass
• The north-facing curtain walls represent most important opportunity for thermal efficiency of windows given disproportionate sun access
• Non north-facing walls will rely on less efficient glass type to enable cost reductions
• Roof features skylight with the same glass used on north facing walls - double glazing - 1/4 in thick / bluegreen low-E glass

Shading / Sun Control

• North facing roof edge features 10’ overhang
• Other roof edges feature 4’ overhangs
• North facing curtain wall incorporates light shelves at each floor level