Download ISO 14644-4:2001, Cleanrooms and associated controlled by ISO TC 209/WG 4 PDF

April 5, 2017 | Environmental Engineering | By admin | 0 Comments

By ISO TC 209/WG 4

This a part of ISO 14644 specifies necessities for the layout and development of cleanroom installations yet doesn't prescribe particular technological or contractual capability to fulfill those necessities. it truly is meant to be used through buyers, providers and architects of cleanroom installations and offers a list of significant parameters of functionality. development tips is equipped, together with specifications for start-up and qualification. easy components of layout and development had to be certain endured passable operation are pointed out throughout the attention of appropriate elements of operation and maintenance.Application of this a part of ISO 14644 is particular within the following:user requisites are represented via buyer or specifier; particular procedures to be accommodated within the cleanroom deploy will not be particular; fireplace and defense laws aren't thought of in particular; the perfect nationwide and native necessities might be revered; technique media and software companies are just thought of with appreciate to their routing among and within the assorted zones of cleanliness; relating to preliminary operation and upkeep, in simple terms cleanroom construction-specific requisites are thought of.

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Additional info for ISO 14644-4:2001, Cleanrooms and associated controlled environments -- Part 4: Design, construction and start-up

Example text

2 Vibration in cleanrooms should be minimized, or the source isolated, using methods such as high quality fans and vibration control equipment. 3 When vibration control is required, the permissible levels should be defined using ISO 1940-1 and ISO 10816-1. 5 Energy conservation Consideration may be given to incorporating in the design energy conservation considerations, such as provisions to reduce or close down temperature and humidity control and to reduce airflow during periods in which there is no activity.

This may, for instance, influence the choice of adhesives and sealing mastics for surface-finishing work, or of materials used for filter assembly and sealing. All surfaces which come into contact with air supplied to the interior of the cleanroom or clean zone may by their nature or condition influence the quality of the air supplied to the contamination-sensitive zones. For this reason, materials and finishes intended for the internal surfaces of the complete air-handling system should be critically assessed and specifically approved for this purpose.

The lists given in this annex are not exhaustive and should be supplemented as required. g. handling of waste and packaging); j) regulatory requirements. 1 The set point and variation limits of temperature (in degrees Celsius) and relative humidity (in percent saturation) which may depend on special process requirements should be specified for the performance of the cleanroom. 2 Temperature control should be provided for: a) processes; b) equipment and materials; c) stable conditions for personnel wearing cleanroom garments selected to suit the class of cleanliness specified.

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