HPAC Magazine

Fourth public review for Legionellosis Standard

October 27, 2014 | By HPAC Magazine

A fourth version of ASHRAE’s proposed Standard 188P, Legionellosis: Risk Management for Building Water Systems, is open for public comment until November 10, 2014. The standard, which will establish minimum legionellosis risk management requirements for building water systems, is intended for use by building owners and managers and those involved in the design, construction, installation, commissioning, operation, maintenance and service of centralized building water systems and components.

Changes to the proposed standard since its last public review in January 2013 include: alignment of the document with the revised title, purpose and scope; removal of hazard analysis and critical control points (HACCP) terminology; inclusion of a normative appendix for health care facilities meeting specific requirements that provides an alternate compliance path that is more stringent than for other facilities; and more emphasis on requirements for design, construction, installation, commissioning, operation, maintenance and service.

Tom Watson, chair of the Standard 188P committee, notes that the standard contains both normative sections and appendices that specify what is required to comply. It also contains appendices and references as guidance about how to do things that may be necessary for a given building water system.



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