🏥NCC 2022 / AS/NZS 2107:2016 · Australia / New Zealand

Hospital Ward Acoustic Design to NCC 2022 / AS/NZS 2107:2016

Hospital wards must balance patient recovery needs with staff communication requirements. Excessive noise is linked to disrupted sleep, elevated stress hormones, and slower healing.

TL;DR

Under NCC 2022 / AS/NZS 2107:2016, a hospital ward of 250-350 m³ (typical dimensions 15m × 8m × 2.7m) requires an RT60 of ≤ 0.8s at 500-2000 Hz. Background noise must not exceed 40 dBA. AS/NZS 2107:2016 recommends RT60 <= 0.

RT60 Target

≤ 0.8s

Noise Limit

40 dBA

STI Minimum

N/A

Frequency Range

500-2000 Hz

Specific Requirements

Parameter	Target	Clause Reference	Notes
Reverberation Time (RT60)	≤ 0.8s	AS 2107 Table 1	500-2000 Hz, Furnished, unoccupied
Background Noise Limit	≤ 35 LAeq	AS 2107 Table 1	HVAC + building services, unoccupied
Frequency Range	500-2000 Hz	—	Octave bands for compliance assessment

Step-by-Step Compliance Calculation

1
Reference AS/NZS 2107 and AusHFG
Identify hospital ward acoustic targets from AS/NZS 2107 Table 1 and AusHFG Part D requirements.
2
Design ceiling treatment
Specify healthcare-grade acoustic ceiling tiles meeting both NRC and infection control requirements.
3
Control HVAC noise
Select and position AC systems to achieve background noise <= 40 dBA at all bed positions.
4
Commission per NCC pathway
Verify acoustic compliance as part of the NCC performance solution or deemed-to-satisfy pathway.

Recommended Materials

Surface	Material Category	Min NRC	Coverage %
Ceiling	Healthcare-grade ceiling tile	0.80	80%
Walls	Wipeable acoustic panel	0.70	25%

Browse the full acoustic materials database for absorption coefficients and product specifications.

Common Failure Modes

⚠️Split AC unit noise

Ceiling cassette air conditioners in Australian hospital wards produce 38-42 dBA, close to or exceeding the 40 dBA limit.

⚠️Corridor to ward transmission

Busy hospital corridors transmit significant noise through doors, particularly during night shift handovers.

Frequently Asked Questions

What RT60 does NCC 2022 / AS/NZS 2107:2016 require for a hospital ward?

NCC 2022 / AS/NZS 2107:2016 requires a reverberation time of ≤0.8s at 500-2000 Hz for hospital ward spaces. AS/NZS 2107:2016 recommends RT60 <= 0.8s for hospital wards with background noise not exceeding 40 dBA. NCC 2022 references this standard. The Australasian Health Facility Guidelines (AusHFG) Part D requires acoustic assessment for all new hospital construction.

What is the maximum background noise level for a hospital ward under NCC 2022 / AS/NZS 2107:2016?

NCC 2022 / AS/NZS 2107:2016 sets a maximum background noise level of 40 dBA for hospital ward spaces. This includes noise from HVAC systems, building services, and external intrusion, measured with the room unoccupied. Exceeding this limit degrades speech intelligibility and occupant comfort.

How much acoustic treatment does a hospital ward need to comply with NCC 2022 / AS/NZS 2107:2016?

A typical hospital ward (250-350 m³) requires Healthcare-grade ceiling tile (NRC ≥0.8) covering 80% of the ceiling as the primary treatment. Additional wall absorption on 1 surface(s) is typically needed. Use the AcousPlan calculator with the pre-loaded dimensions (11m × 8m × 3m) to calculate the exact absorption deficit for your room.

Calculate NCC 2022 / AS/NZS 2107:2016 Compliance for Your Hospital Ward

Pre-loaded with typical hospital ward dimensions (11m × 8m × 3m) and an RT60 target of 0.8s per NCC 2022 / AS/NZS 2107:2016. Enter your actual dimensions, select materials, and verify compliance instantly.

Open Calculator with Preset