Design Journal Entry - Module 7

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Sophia Kianni
Journal Entry For
Module 7 - Building Envelope Systems
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https://acc.autodesk.com/docs/files/projects/59ba9fc2-dd59-4608-a521-0c16b5694c99?folderUrn=urn%3Aadsk.wipprod%3Afs.folder%3Aco.lM7GgpYDQvSQIwlvYcKiwg&entityId=urn%3Aadsk.wipprod%3Adm.lineage%3A1zoXCsieQZG196rsrtfghg&viewModel=detail&moduleId=folders
Created
Feb 15, 2025 4:36 AM
Last Edited
Feb 22, 2025 2:38 AM
Created by
Sophia Kianni
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Design Choices:

Wall & Roof Surfaces:

  • The roof has a distinctive star-shaped design, creating multiple angled surfaces that enhance structural stability and aesthetic appeal.

Openings & Glazed Surfaces:

  • Windows & Curtain Walls:
    • The building incorporates floor-to-ceiling glass curtain walls across its entire facade.
    • Double-glass windows are used throughout to enhance thermal performance and reduce energy consumption.
  • Doors:
    • All entryways feature double-glass doors, maintaining consistency with the insulated glazing strategy.

Shading & Sun Control Features:

  • The glass curtain walls and window distribution were chosen based on passive solar design, optimizing heat gain and loss across different orientations.

Building Envelope & Energy Efficiency Features:

  • Walls & Glazing: Adjusted to 80% glass and 20% wall, optimizing daylight while reducing excessive heat gain/loss.
  • Shading: Added external shades that cover 1/3 of the window height, reducing glare and improving thermal comfort.
  • Glazing: Implemented double-glass windows and doors throughout for enhanced insulation.
  • Roof: Fully covered in photovoltaic panels, eliminating skylights and maximizing renewable energy capture.
  • Window-to-Wall Ratio Adjustments: Modified on all four walls to 65% based on energy analysis, leading to improved performance.
  • Insulation: Roof upgraded to R-38, ensuring strong thermal resistance and reducing HVAC loads.

Operational & Efficiency Enhancements:

  • Daylighting and Occupancy Controls: Installed automatic lighting controls that adjust based on time of day and occupancy, improving energy savings.
  • Building Operation Schedule:
    • Offices: Open 5 days per week (Monday–Friday).
    • Exhibitions & Gift Shop: Open weekends, resulting in an overall 6-day operational schedule per week.

Energy Efficiency & Renewable Energy Features

  • Plug Load Efficiency: 6.26 W/m², contributing to overall energy savings.
  • Photovoltaic Panels:
    • Surface Coverage: 70% of the roof is dedicated to PV panels.
    • Panel Efficiency: 18.6%, striking a balance between cost and performance.
    • Payback Period: 20 years, with no cost difference between higher and lower-efficiency panels.

Overall Impact:

  • Reduced construction costs while enhancing energy efficiency.
  • Lower operational expenses due to optimized insulation, automated lighting, and renewable energy integration.
  • Sustainable and cost-effective design choices that align with long-term energy performance goals.