IWA 38:2021

INTERNATIONAL IWA
WORKSHOP 38
AGREEMENT
First edition
2021-12
Requirements and recommendations
for the construction of emergency
medical facilities
Exigences et recommandations relatives à la construction
d'installations médicales d'urgence
Reference number
© ISO 2021
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
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Published in Switzerland
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Contents Page
Foreword .v
Introduction . vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Abbreviated terms . 2
5 Basic principles . 2
5.1 Sustainability . 2
5.2 Programme and circulation . 2
5.3 Structure, mechanical and electrical systems . 3
5.4 Products and components . 3
5.5 Information technology . 3
5.6 Safety. 3
6 Site selection and planning . 3
6.1 Site selection . 3
6.2 Building layout . 3
6.3 Circulation . 3
6.4 Entrances . 3
6.5 Preventing cross-contamination . 4
6.6 Medical staff living area . 4
7 Architecture and structure system .4
7.1 General provisions . 4
7.1.1 Zoning . 4
7.1.2 Accessibility . 4
7.1.3 Construction method . 4
7.1.4 Vertical circulation . 4
7.1.5 Interior fittings and surfaces . 4
7.1.6 Structural reliability . 4
7.1.7 Structural system . 5
7.1.8 Leak-proof . 5
7.1.9 Light-weight structure . 5
7.2 Specific requirements for respiratory infectious disease facilities . 5
7.2.1 Zoning . 5
7.2.2 Preventing cross-contamination . 5
7.2.3 Building layout and airflow management. 5
7.2.4 Negative pressure ward . 5
7.2.5 Medical waste . 5
7.2.6 Sealing. 6
8 Water supply and drainage system .6
8.1 General provisions . 6
8.1.1 Safety . 6
8.1.2 Water supply . 6
8.1.3 Water processing . 6
8.1.4 Valves for maintenance . 6
8.1.5 Hands-free faucets . 6
8.1.6 Plumbing fixtures . 6
8.1.7 Trap seal . 6
8.1.8 Wastewater treatment . 7
8.2 Specific requirements for respiratory infectious disease facilities . 7
8.2.1 Sealing. 7
8.2.2 Water supply pump station . 7
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8.2.3 Water tank . 7
8.2.4 Water supply system. 7
8.2.5 Drainage system . 7
8.2.6 Vent stack . 8
8.2.7 Outdoor sewage system . 8
8.2.8 Sewage treatment . . 8
9 Heating, ventilation and air conditioning system . 8
9.1 General provisions . 8
9.1.1 Heating and air conditioning . 8
9.1.2 Natural ventilation . 8
9.2 Specific requirements for respiratory infectious disease facilities . 8
9.2.1 Mechanical ventilation . 8
9.2.2 Air filter . 8
9.2.3 Air supply and exhaust outlets . 8
9.2.4 Pressure monitor . 9
9.2.5 Exhaust fans . 9
9.2.6 Exhaust discharge . 9
9.2.7 Fresh air . 9
9.2.8 Negative pressure operating room . 9
9.2.9 Condensate . 9
9.2.10 Intensive care unit . 9
10 Electrical and intelligent systems .
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