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We are a large tertiary referral centre with critical care, NICU etc. and our air conditioning currently runs on 100% exhaust throughout. As we are refurbishing our NICU, the engineering department have argued that the air exchange should be 20% fresh and 80% recycled in line with the AS 1668.2-2012 and the TS11. As they have now got approval for the change, they want to revert the rest of the hospital to 20/80. Has anyone had any issues with this air exchange in the past? We are very concerned of our high risk areas and negative and positive pressure rooms being affected.
Michelle Kennedy
CNC | Infection Prevention Service
John Hunter Hospital Campus
Lookout rd, New Lambton
Tel 02 4921 3129 | michelle.kennedy@hnehealth.nsw.gov.au
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Hi Michelle
AS 1668.2-2012 does differentiate between certain rooms/areas in regard to recycled air. In operating rooms, sterile stock and recovery AS 1668.2-2012 states that air supplied to these areas shall not be recirculated from any other enclosure type. For negative pressure rooms, autopsy & dirty utilities, air won’t be recirculated from these areas to other areas i.e should be 100% exhaust. Supply air delivered to a positive pressure room cannot be recirculated unless filtered using a Hepa filter (99.99% efficiency).
We don’t have 100% exhaust for all areas however, we do have single pass 100% outside air for all Operating Theatres, Isolation rooms and sterile areas, including a 16 bed ‘pod’ in ICU and 100% exhaust for all negative pressure rooms.
For the entire haematology unit, theatre, SSD etc. and all positive pressure rooms, the air is hepa filtered.
Our NICU is not supplied by Hepa filtered air (as IPAC recommended) however the isolation rooms are negative pressure so air exhausted 100% from those rooms.
We have not identified issues related to HAIs and the above systems.
Regards
Julie Hunt
Clinical Nurse Consultant
Infection Prevention & Control
Royal North Shore Hospital
Reserve Rd St Leonards 2065
Tel 02 99264339 or 99264490Click Infection Prevention and Control to visit Website
We are a large tertiary referral centre with critical care, NICU etc. and our air conditioning currently runs on 100% exhaust throughout. As we are refurbishing our NICU, the engineering department have argued that the air exchange should be 20% fresh and 80% recycled in line with the AS 1668.2-2012 and the TS11. As they have now got approval for the change, they want to revert the rest of the hospital to 20/80. Has anyone had any issues with this air exchange in the past? We are very concerned of our high risk areas and negative and positive pressure rooms being affected.
Michelle Kennedy
CNC | Infection Prevention Service
John Hunter Hospital Campus
Lookout rd, New Lambton
Tel 02 4921 3129 | michelle.kennedy@hnehealth.nsw.gov.au
http://www.health.nsw.gov.au[http://www.health.nsw.gov.au/images/communications/e-signatures/images/NSW-Health-Master.jpg]
[cid:image002.png@01D0AD06.CF749F00]
P Please consider the environment before printing this emailMESSAGES POSTED TO THIS LIST ARE SOLELY THE OPINION OF THE AUTHOR, AND DO NOT REPRESENT THE OPINION OF ACIPC.
The use of trade/product/commercial brand names through the list is discouraged by ACIPC. If you wish to discuss specific reference to products or services by brand or commercial names, please do this outside the list.
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Views expressed in this message are those of the individual sender, and are not necessarily the views of NSW Health or any of its entities.
MESSAGES POSTED TO THIS LIST ARE SOLELY THE OPINION OF THE AUTHOR, AND DO NOT REPRESENT THE OPINION OF ACIPC.
The use of trade/product/commercial brand names through the list is discouraged by ACIPC. If you wish to discuss specific reference to products or services by brand or commercial names, please do this outside the list.
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