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DESC9169 Daylight in Buildings

Semester 2, 2025 | 6 credit points

Assignment 1: Daylight analysis of different indoor spaces

Learning objectives:

The purpose of this task is to establish your understanding of daylight analysis by using qualitative and quantitative methods, such as qualitative methods are: direct observation, interviews, walk-through, self-interpretation, and quantitative methods are: in-situ measurements and numeric methods. As you work on this task, you will be guided by two tutorial sessions that will lead you through each stage of your assignment tasks. The intention is that you learn the processes required at each stage by working through the tutorial guide and then apply those methods/tools to the gradual development of your assignment project in accordance with the brief given.

Assessment description:

Each group (generally composed of 3-4 students) will select and analyze an interior space of different programs (such as office, art gallery, retail, shop etc.) and perform physical measurements of daylight metrics at least twice during a selected week. Groups are expected to perform a subjective spatial visual assessment, too.  This will be a critical evaluation of the daylight in space, how it makes you feel and what might be improved. Referencing lighting quality papers and 2 case study examples for inspiration develop a Daylight Design Objectives Brief to improve the daylight performance of the space.  This brief should discuss proposed lighting outcomes such as areas with increase brightness, areas with features, average daylight levels etc.  NOT DESIGN SOLUTIONS, suggested improvements should include technical targets, such as target lux or luminance levels or contrast ratios and extent of view, extent of sun penetration. These targets should be marked up on sketches. Sketches with space dimensions, reflectivity, glazing transmission and general qualities are to be noted. A high-level daylight factor (DF) analysis to be performed for the space and a critical review of the differences to measured outcomes discussed. You will need to synthesize your research material with a series of self-generated infographic design completed with sketches, diagrams, graphics and charts to explain the impact and level of improvements and applied daylight technologies, and materials.

Assessment criteria:

Assessment 1: Analysis of an indoor space will be evaluated according to the following criteria:

· Technical strategy: Description of the space and of activities performed in, creation of a geometric model.

· Numerical analysis 1: Completeness and clarity in the presentation of in-situ measurement results, Calculation of the principal daylight metrics of the selected spaces (DF)

· Critical analysis: Critical assessment of the current daylight strategies and response to brief (by referring to two case studies), Analysis of the current daylight strategies of the selected space and subjective analysis defining technical objectives may make space better.

· Visual & Written Communication: Visual presentation of the work, clarity of written expression and citation & referencing.

Report Requirements:

The final report should be concise (maximum 2000 words) and must be well illustrated with site observations, physical measurements, and numerical analysis. Your report must include basic information about the interior space you have selected and explanation of the modelled design information. It should also incorporate the analysis you have carried out, any design issues you have encountered, and how you have overcome these issues, the result of the daylight metrics of the selected space, the analysis of the suggested design improvements for daylighting, a summary of your key findings and conclusion of the main outcomes or suggestion for further improvement. Your analysis will be assessed on the depth of your discussions and the thoughtfulness you have put into the process. Tables and graphics are to be used in report. Details of calculations or data are to be presented in appendixes. Clear use of graphics showing dimensions and scales is to be utilized.

The report should include the following information:

· A plan and a section of the selected space with a plot of measured illuminance and DF levels for chosen space.

· A comparative analysis of measured DF levels.

· Description of design intervention and design intent with technical description of targeted light quality criteria that intervention is trying to address.

· A critical analysis of current daylight strategies and a proposition of improvements.

· A digital model of the selected space should be uploaded as a separate file.

Assessment category and type: Written with non-written items

Individual or group: Group (3-4 students)

Length / duration: To be submitted as a PDF file, of length no more than 10 pages in A2 size format via Canvas. Submissions must NOT be larger than 10 MB.

Weight: 35%

Due date & time: 15 September 2025 (11:59 pm) 

Learning outcomes assessed: 1,2,3,6,7

Rubric: please go to the canvas page of the unit to check the assignment rubric and marking criteria.