VENTILATION


downstream in the central part of the booth and away from the operator, ensuring it does not affect the fume control zone airstreams on either side.


Energy efficiency Energy efficiency has also been considered as an integral part of the design process. The three side-flow booths have been connected to a single variable volume extract system and presence detectors have been fitted to reduce the extract flow rate of each booth when it is unoccupied, reducing energy consumption while ensuring that the production environment remains compliant with its clean room classification at all times. Heating and cooling recovery has also been built into the extract system to pre-warm or pre-cool the incoming air and the air discharge to atmosphere has been designed with a variable area twin discharge stack, maintaining discharge velocity while maximising the fan energy that can be recovered even when the extract flow rate is reduced for low occupancy.


An integrated approach Co-ordination of architectural and building services design expertise was vital in achieving the delicate balance of the


Part of a cleanroom area within a production facility.


facility, ensuring a solution that met both air flow and process efficiency requirements. A full scale mock-up of a side-flow booth was constructed to enable testing and end user consultation as an integral element of the design process prior to fit out of the facility,


ensuring the it would meet all client requirements. A validation engineer was also consulted at design stage to ensure that commissioning and validation of the facility was straightforward and enabling it to become operational as quickly as possible


IFHE


IFHEDigest Providing insights into the vast field of healthcare engineering and facility management 42 IFHE DIGEST 2019


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