Hygiene in air-conditioning systems – new development of VDI-standard 6022 Andreas Winkens, Ph.D. Engineering Company Dr. Winkens, Moenchengladbach, Germany April 30th, 2014

VDI Society Civil Engineering and Building Services

Hygiene requirement for ventilation and air-conditioning systems and units

Hygiene requirement for ventilation and air-conditioning systems and units - vehicles

3.1 Assessment of indoor-air quality

Qualification of personnel for hygiene checkings, hygiene inspections, and assessment of indoor-air quality

Qualification of personnel for vehicles

Air humidification on decentralized devices

Branch-specific guides

1 2 3 4 5 6 7 8

1.1 Checking of ventilation and air-conditioning systems

1.2 Requirements for underground ducts

3.2 Assessment of indoor-air quality - vehicles

7.1 Waste treatment plants

4.1 Certificate of competence in category A and category B

Finalized version

In process Structure VDI 6022 Draft

Avoidance of allergenic exposure (before VDI 6033)

1.3 Cleanliness of ventilation systems

VDI 6022 Part 3 (07/2011) Assessment of indoor-air quality − Categories and criteria to qualify the indoor air quality − Specification of European Standards − Criteria for evaluation of sustainability of buildings

VDI 6022 Part 4 (08/2012) Qualification of personnel for hygiene checkings, hygiene inspections, and assessment of indoor-air quality - New qualification „VDI-certified specialist engineer RLQ“ (Indoor Air Quality) - Quality characteristics of training providers, trainings and instructions - Qualification of experts

- 3 days, 27 teaching units with different subjects - External certification for the engineers, the experts and the training (DIN CERTCO, Berlin)

- Certificate and entry in the VDI-RLQ register for the engineers - Initial hygiene inspection, including the awarding of the inspection mark and inspection certificate - VDI 6022 Part 4.1 (03/2014) Certificate of competence in category A and category B

VDI 6022 Part 6 (12/2013) Air humidification on decentralized devices − Functioning principles and properties of - Evaporative humidifiers - Atomising-type humidifiers - Steam humidifiers - Decoratiove water features − Description of properties and hygiene measures − Planning guidance, installation, mounting, commissioning and operation − Qualification of responsible personnel − Device inspection and certification

VDI 6022 Part 7.1 (10/2013) Branch-specific guides - Waste treatment plants - All branch-specific guides are future VDI 6022 Part 7.ff - Branches, which are too specific for VDI 6022 Part 1 are described with detailed recommendations - Comparison between the supply air and the specific reference air has to be made

VDI 6022 Part 2 (Draft 04/2014) Hygiene requirement for ventilation and air-conditioning systems and units - vehicles − different chapters for car, airplane, ship, truck, bus and train − comming part 3.2 for assessment of indoor-air quality in vehicles − comming part 5 for qualification of personnel

VDI 6022 Part 1.2 (Draft 08/2013) Requirements for underground ducts - Requirements for underground ducts to become a part of hygienic conception according VDI 6022 Part 1 - Future chapter of VDI 6022 Part 1 in comming edition

©Fa. Rehau

VDI 6022 Part 1.3 (Draft expected 09/2014) Cleanliness of ventilation systems −Requirements for planning, manufacture, installation, operation and maintenance −Measurement systems and assessment −Correction and detailing of DIN EN15780 −Future chapter of VDI 6022 Part 1 in comming edition

… and what are the next steps?