By ISO TC 209/WG 4

This a part of ISO 14644 specifies standards for the layout and development of cleanroom installations yet doesn't prescribe particular technological or contractual ability to satisfy those specifications. it's meant to be used via buyers, providers and architects of cleanroom installations and offers a list of significant parameters of functionality. development counsel is supplied, together with necessities for start-up and qualification. uncomplicated parts of layout and building had to be sure persevered passable operation are pointed out during the attention of suitable elements of operation and maintenance.Application of this a part of ISO 14644 is particular within the following:user necessities are represented through buyer or specifier; particular approaches to be accommodated within the cleanroom set up are usually not precise; hearth and safeguard laws will not be thought of particularly; the right nationwide and native necessities could be revered; procedure media and software companies are just thought of with recognize to their routing among and within the various zones of cleanliness; relating to preliminary operation and upkeep, simply cleanroom construction-specific specifications are thought of.

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

Example text

Handbook of cleanroom practice. Ecomed Verlag, Landsberg, 1992. [30] LIEBERMANN, A: Contamination control and cleanrooms. Van Nostrand Reinhold, New York, 1992, 304 pp. 2:1996, A glossary of terms and definitions relating to contamination control. Mount Prospect, Illinois: Institute of Environmental Sciences and Technology.

The effects of leakage from air-handling systems should be considered. 3 Fittings in airlocks Fittings in airlocks and gowning rooms should present as few horizontal surfaces as possible. For example consideration should be given to the use of hanging rails and perforated shelf boards rather than closed lockers. Exposed surfaces should satisfy criteria similar to those specified for the interior of the cleanroom and clean zone, and may require additional specifications to ensure durability in this application.

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. g. heat-sealing, soldering, welding, heat-treating and heating pressure vessels) is usually high and variable.

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