SPONSOR CPD PROGRAMME | WATER TREATMENT Module 230 March 2024 1.Which BSRIA publication provides comprehensive guidance on water treatment? A BG 6 B BG 29 Name (please print) Job title Organisation Address C BG 50 D BG 75 E BG 80 2.Which of the following is noted as being associated with local corrosion in water systems? A Bicarbonates B Calcium salts C Chloride ions D Magnesium salts E Sulphates 3.Which of the following is least likely to be true? A Excessively high pH can disrupt the passivity of stainless-steel components B Good water treatment means initial system cleanliness is not important C Higher pH will tend to reduce most bacterial growth D Lower pH (more acidic) environments increase Postcode Email Are you a member of CIBSE? If so, please state your membership number: The CIBSE Journal CPD Programme By participating in this CPD module, you consent to sharing your details with IWTM. IWTM may contact you via email and/or telephone with further information and technical insight on its services. You have the right to opt out from such communications at any time. I understand that I will receive marketing communications from IWTM after completing this module (please tick here) By entering your details above, you agree that CIBSE may contact you with information about CPD and other training or professional development programmes, and about membership of CIBSE, if you are not a member. Go to www.cibsejournal.com/cpd to complete this questionnaire online. You will receive notification by email of successful completion, which can be used to validate your CPD records. Alternatively, fill in this page and post it to: N Hurley, CIBSE, 222 Balham High Road, London, SW12 9BS corrosion rates E Slightly alkaline environments can help thicken the protective oxide layer 4.Where in a heating system would it be most appropriate to include the reaction tank? A After the water pressurisation unit B At the highest point in the system C At the point that mains water enters the system D Close to the flow from the heat source E In the return pipework adjacent to the heat source Further reading: Chapter 12 of CIBSE Guide G provides an excellent foundation for understanding corrosion and corrosion protection. Annex E of CIBSE CP1 Heat networks: Code of Practice for the UK (2020) provides useful tables of recommended parameter limits for heat networks (closed-loop networks). References: 1 Simpson, P, BSRIA BG 50/2021: Water treatment for closed heating and cooling systems, BSRIA 2021. 2 VDI 2035 Part 1 : Prevention of damage in water heating installations Scale formation and waterside corrosion, Verein Deutscher Ingenieure 2021. 3 Parsloe, C, and Ronceray, M, BSRIA BG 29/2021 Pre-commission cleaning of pipework systems, BSRIA 2021. 4 CIBSE Guide M. 5 CIBSE CP1: Heat networks: Code of Practice for the UK, CIBSE 2020. 5.What metal is used for the sacrificial anodes in the illustrated reaction tank? A Aluminium B Iron C Magnesium D Stainless steel E Zinc 52 March 2024 www.cibsejournal.com CIBSE March 24 pp49-52 CPD Module 230.indd 52 23/02/2024 13:55