← All units BPSD5030

Indoor Environments

Small calculators for the BPSD5030 tutorials, arranged by week. Each does the routine arithmetic so class time can go to interpretation. Validate every result against your own data and the source standard before using it in an assignment.

Lighting UniformityWeek 4

Enter illuminance readings as a spatial grid to map the light, then read the uniformity ratio (min ÷ avg) and diversity, with a box plot of the spread.

Room AcousticsWeek 6

Averaging and combining sound levels in decibels, and the Sabine relationship between volume, absorption, and reverberation time, plus a quick speech-intelligibility estimate.

IAQ & VentilationWeek 8

Required outdoor airflow (ASHRAE 62.1), actual ventilation from measured CO₂ (steady-state mass balance), ACH, and an occupancy scenario explorer.

Game the RatingWeek 9

Take a building to a target NABERS IE star rating on a fixed budget, then certify it under WELL, and see how far a rating can run ahead of what occupants actually experience. Shows how rating scores are built and how they can be gamed.

Paired-Data AnalysisWeek 10 · Assignment 2

The full A2 analysis companion: name the design, describe two conditions, run a paired t-test (or Wilcoxon) with the working shown on your own data, report the effect size, and model the Results and Methods write-up for the IMRaD paper.