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Storm Water Management
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Affordable Housing: Use Local Underutilized Materials
Integrated Habitats Studio
Complementary Daylighting and Ventilation System
Affordable Housing: Small Lots, Small Enclosures

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The Carbon Neutral Design Project:
Carbon Neutral Teaching: Curriculum Materials Development
Bruce Haglund
School of Architecture, University of Idaho

Comprehensive Architectural Design Studio
Senior Studio

Daylighting Performance

Daylighting studies with Ecotect

Design Performance Objective

Daylighting Studies with Ecotect
Studies for the project.

Student: Sara Richards
Software/Tools:

Fall 2006 McCall Field Campus Studio

Program Statement
Design for good daylighting performance.

This project responds to NAAB Student Performance Criteria

#19: Environmental Systems
Understanding of the basic principles and appropriate application and performance of environmental systems, including acoustical, lighting, and climate modification systems, and energy use, integrated with the building envelope

#28: Comprehensive Design
Ability to produce a comprehensive architectural project based on a building program and site that includes development of programmed spaces demonstrating an understanding of structural and environmental systems, building envelope systems, life-safety provisions, wall sections and building assemblies and the principles of sustainability

Investigative Strategy

Use Ecotect software to predict daylight levels and sun penetration for morning, noon, and afternoon for all seasons. Document the investigation. Sara Richard’s office design shows adequate daylight levels for an overcast day at the winter solstice. The building was also modeled for other times of year and for sunlight penetration using Ecotect.

Evaluation Process
This analysis model was presented at the final studio critique. The Ecotect model was built and used during the design development phase.
Evaluative Criteria
Make sure daylight levels are adequate for each space’s needs (e.g., 30 fc for office work) and cooling season sunlight penetration is controlled (minimal), especially in spaces where glare and/or overheating is at issue.
 
Information about the Project and Studio

• course outline

• project outline

Cautions - Possible Confusions
Ecotect models are most useful when made early in the design process so that they can be used to test design options for window size and placement. Ecotect also models multiple thermal zones for passive and active system performance. Outputs are graphic and clearly show the relationship between performance and space.
Range of Applicability in terms of CLIMATE
This approach is suited to all climates.
Range of Applicability in terms of TYPE
This type of approach is useful for all buildings using daylighting.
Reference Material
Ecotect - http://ecotect.com/products/ecotect
Ecotect discussion forums - http://ecotect.com/forums
The Green Studio Handbook, Kwok & Grondzik
Duration of Exercise
This work was presented at the culmination of an eight-week comprehensive design phase. Ecotect models require a sustained effort to generate and use.
Degree of Difficulty / Previous Knowledge Required
This is work assigned to a graduate student in her penultimate studio taken after all of the basic technical courses on structures and environmental systems. The student was also concurrently taking a graduate seminar on building integration.
 

Ecotect Daylight Study

Figure 1: Ecotect Model: Daylighting Study
Sara Richards
The office design shows adequate daylight levels on the first-floor workplane in office spaces for an overcast day at the winter solstice, the worst case scenario for illumination levels. Yellow squares in the grid indicate the highest illumination levels, blue the lowest. The building was zoned to place worspaces at the edges and conference rooms and service spaces in the interior.

Ecotect Daylight Study
Figure 2: Ecotect Model: Daylighting Study
Sara Richards
The office design shows adequate daylight levels on the second-floor workplane in office spaces for an overcast day at the winter solstice. Note 3-D sun path diagram (blue grid) superimposed over building model.

   

 

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