Leisure centres combine chemical storage, high humidity, electrical systems, and large public occupancy. Understanding the specific fire risks is essential.. Leisure Centre Fire Safety Swimming pools and leisure centres present a unique combination of fire risks, environmental challenges, and public safety requirements. Chemical Hazards Chlorine storage: Sodium hypochlorite (liquid chlorine) — corrosive, oxidiser Calcium hypochlorite (granular) — strong oxidiser, can self ignite with organic materials Chlorine gas — highly toxic (historical but still found in some facilities) Chemical store must be ventilated, bunded, and separated from public areas Incompatible chemicals must be stored separately (acid + chlorine = chlorine gas release) pH adjustment chemicals: Hydrochloric acid or sodium bisulphate Carbon dioxide dosing systems All chemicals requiring COSHH assessment and appropriate storage Environmental Challenges Pool hall environments challenge fire safety systems: High humidity (60 70% RH) — accelerates corrosion of fire safety equipment Chloramine atmosphere — aggressive to metals, electronics, and detection systems High temperatures — pool halls at 28 32°C, sauna areas at 80 100°C Condensation — can cause false alarms on smoke detectors Fire Detection in Pool Halls Standard smoke detectors perform poorly in pool environments: Aspirating detection (VESDA) with corrosion resistant sampling Flame detection as primary detection in pool halls Heat detection as secondary detection Multi criteria detection algorithms Corrosion resistant detector housings (IP65+ rated) Means of Escape Swimmers in water must be directed to exit pool before escaping building Changing room users may be partially dressed — dignity considerations Spectator galleries require separate escape routes Slide towers — means of escape from top of water slides Flume tubes — cannot be used as escape routes Sauna/steam rooms — users must be alerted (alarm audible through heavy doors) For leisure centre fire engineering, contact Magnus Opifex. Magnus Opifex SEVEN LTD — UK's Leading Fire Safety & Fire Engineering Consultancy 🌐 magnus opifex.co.uk 📞 +44 7486 691724 ✉️ office@magnus opifex.co.uk Founders: Nicoleta Vasile, Baroness of Brattleby — CEO, Lawyer and Barrister, Legal & Administrative Director Alina — Technical Director & Expert Fire Engineer (BEng) Head Office: Ealing Cross, 85 Uxbridge Road, London W5 5BW Magnus Opifex SEVEN LTD delivers engineering led fire engineering, fire risk assessments, CFD modelling, and building safety consultancy across the United Kingdom and internationally. With over 20 years of combined experience and a UK portfolio spanning healthcare, residential and infrastructure, we bring truly engineered solutions with a personal touch. © 2026 Magnus Opifex SEVEN LTD. All rights reserved.