Chemical techniques for legionella prevention (BRL-K14010 part 3)
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This assessment directive applies to chemical techniques for 'in-line' disinfection in collective drinking water and domestic hot water installations, provided these have been authorized by the Ctgb (Board for the Authorisation of Plant Protection Products and Biocides). The associated equipment can be placed both in the main supply line and in a specific part of the installation. This BRL is relevant for, among others, owners of collective water installations.
Certificate holders may carry the Kiwa Water Mark on products that meet the relevant Kiwa assessment directives.
These directives bring together all market and government requirements, from private functional requirements to public hygienic requirements.
The Kiwa Water Mark is therefore the most efficient proof for the Dutch market: producers work with one integral set of requirements and the end user is fully assured of quality and safety.
Core components of the admission investigation
Product testing
Assessment of the production process and quality system
Periodic audits and maintenance
The certification process is carried out in accordance with the regulations for certification and the general terms and conditions of Kiwa.
The most important parts of the admission investigation are:
a. Product testing
By means of an investigation, often carried out in our own laboratory, it is determined whether the product meets the requirements stated in the assessment directive. The product testing relates to functional and health aspects, such as durability, dimensions and material composition.
b. Assessment of production process, quality system and IKB scheme
The assessment is aimed at determining whether the supplier is capable of continuously delivering a product that meets the set requirements. During this assessment, aspects of the process that influence the quality of the product are addressed, including incoming inspection, process control and final inspection.
The periodic audits are intended for the maintenance of the certificate and certification scheme. The production process is thereby inspected to maintain a justified confidence that the products delivered under the certificate continue to meet the requirements stated in the assessment directive. Part of these periodic audits are functional and health tests of the certified products. The frequency of the audits varies from product group to product group: generally from 1 to 4 times a year. The conditions of the certification process are laid down in the regulations for certification and the general terms and conditions of Kiwa for the execution of assignments.
Alternative methods for legionella prevention (BRL-K14010 part 1a and 1b)
There are various techniques to prevent or reduce the growth of legionella bacteria in tap water installations. Under certain conditions, physical techniques may be used for this purpose. In consultation with the government and the market, Kiwa has developed the assessment directive (Dutch: beoordelingsrichtlijn (BRL)) ’Legionella prevention with alternative techniques, BRL-K14010 part 1a and 1b: Physical techniques’.
Electrochemical techniques for legionella prevention (BRL-K14010 part 2)
There are various techniques to prevent or reduce the growth of legionella bacteria in tap water installations. Under certain conditions, electrochemical techniques may be used for this purpose. In consultation with the government and the market, Kiwa has developed the assessment directive (Dutch: beoordelingsrichtlijn (BRL)) ’Legionella prevention with alternative techniques, part 2: Electrochemical techniques’ (BRL-K14010-2).