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Negative pressure suites - technical guidance in support of Welsh Health Circular WHC (2018) 033 Airborne Isolation Room Requirements

Welsh Health Building Note 04-01Supplement2

Negative pressure suites - technical guidance in support of Welsh Health Circular WHC (2018) 033 Airborne Isolation Room Requirements

Document Status



Core Supplement


Welsh Health Building Note


Supplies guidance which assists in providing safe and effective isolation facilities for infectious patients. Applicable to new-build schemes and upgrading existing accommodation.


To be read in conjunction with: WHBN 00-09 'Infection control in the built environment', WHBN 04-01 'Adult in-patient accommodation', WHBN 00-03 'Clinical and clinical support spaces' and HTM 03-01 Part A 'Heating and ventilation systems. Specialised ventilation for healthcare premises. Design and validation (Welsh version)'.


Publisher History

NHS Wales Shared Services Partnership provide advice to the Welsh Government on strategic issues and support to the NHS on the delivery of their operational plans.



NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.

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