Classroom Acoustic Design in Australia — WELL v2 Feature 74 Requirements
Primary and secondary school classrooms, lecture rooms. Typical volume: 150-300 m³.
What WELL v2 Feature 74 Requires for a Classroom in Australia
Regulation: WELL v2 Feature 74
RT60 target: ≤ 0.6s
Background noise limit: ≤ 35 dBA
STI requirement: ≥ 0.60
Local note: Green Star v1.3 aligns acoustic credits with WELL F74.
How to Calculate WELL v2 Feature 74 Compliance for a Classroom in Australia
- 1
Identify the applicable Australia standard and target
Look up WELL v2 Feature 74 for classroom spaces in Australia. The RT60 target is ≤ 0.6s. WELL v2 Feature 74.
- 2
Measure or model the room geometry
Record the length, width, and height of the room to calculate the volume. A typical classroom has a volume of 150-300 m³.
- 3
List all surfaces and their absorption coefficients
For each surface (floor, ceiling, walls, windows, doors), find the absorption coefficient at each octave band frequency (125 Hz to 4 kHz) from ISO 354 test data or a materials database.
- 4
Calculate total absorption and apply the Sabine or Eyring equation
Sum all surface absorption values: A = sum of (alpha x area). Then apply T60 = 0.161 x V / A (Sabine) or T60 = -0.161 x V / (S x ln(1 - alpha_avg)) (Eyring). Use Eyring when average alpha exceeds 0.20.
- 5
Compare result against WELL v2 Feature 74 and specify treatment
If the calculated RT60 exceeds the target of ≤ 0.6s, specify additional absorption. Typical treatment cost in Australia is AUD 28,000–AUD 40,000.
Cost of Compliance in Australia
Treatment Cost Range
AUD 28,000–AUD 40,000
Currency: AUD
What Affects Cost
- • Room volume and surface area
- • Target standard strictness
- • Existing acoustic conditions
- • Finish and material quality
How WELL v2 Feature 74 Differs from Other Standards for Classroom in Australia
| Requirement | WELL v2 Feature 74 | AS/NZS 2107:2016 |
|---|---|---|
| RT60 Target | ≤ 0.6s | ≤ 0.6s |
| Background Noise | ≤ 35 dBA | 35–40 dBA |
| STI | ≥ 0.60 | Not specified |
| Cost Range | AUD 28,000–AUD 40,000 | AUD 24,000–AUD 34,000 |
Frequently Asked Questions
What RT60 does WELL v2 Feature 74 require for a classroom in Australia?
WELL v2 Feature 74 requires a reverberation time of ≤ 0.6s for classroom spaces in Australia. WELL v2 Feature 74. Measurement should be performed per ISO 3382-2 methodology.
What is the background noise limit for a classroom in Australia?
The background noise limit is ≤ 35 dBA under WELL v2 Feature 74. This typically refers to HVAC and building services noise measured with the room unoccupied.
How much does acoustic treatment cost for a classroom in Australia?
Typical acoustic treatment for a classroom in Australia costs AUD 28,000–AUD 40,000. Costs vary based on finish quality, room size, and existing conditions.
Calculate WELL v2 Feature 74 Compliance for Your Classroom in Australia
Enter your room dimensions, select materials, and instantly verify compliance against WELL v2 Feature 74. Free, no signup required.
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