FS251 / FSD CIRCULAR INDEX
FSD circular index: 1994–2026
Find 108 entries from the Fire Services Department's public circular list by keyword, circular number, year or topic, with direct links to the official documents.
Service by Cypress Engineering Company Limited
FSD-registered fire service installation contractor
RC1/0395 RC2/0154
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Topic labels help you find documents; they do not confirm current applicability or cover every requirement. Entries without a topic label remain searchable by number, year or title.
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2026 6
- Circular 6/2026Temporary manual fire alarm devices (TMFAD) as a standby measureOriginal FSD PDF
- Circular 5/2026Fire safety for automated parking systemsOriginal FSD PDF
- Circular 4/2026FS251 online preparation, submission and anti-counterfeiting QR codesOriginal FSD PDF
- Circular 3/2026Cap. 572 target buildings up to six storeys: IoT detection and extinguisher alternativesOriginal FSD PDF
- Circular 2/2026FSI shutdown: reporting chain effects and building noticesOriginal FSD PDF
- Circular 1/2026FSI defect transparency and power supply managementOriginal FSD PDF
2025 6
- Circular 6/2025Notice of obsolete FSD circularsOriginal FSD PDF
- Circular 5/2025Introduction of FS251 certificate revision 1/2025Original FSD PDF
- Circular 4/2025Annual Inspection Checklist for Fire Detection SystemsOriginal FSD PDF
- Circular 3/2025Fire Safety Requirements for Battery Rooms and Electrical Charging FacilitiesOriginal FSD PDF
- Circular 2/2025Fire Safety Requirements for Data CentresOriginal FSD PDF
- Circular 1/2025Notice of obsolete FSD circularsOriginal FSD PDF
2024 5
- Circular 5/2024Caps. 502, 572 and 636: FSI inspection and testing applicationsOriginal FSD PDF
- Circular 4/20242022 FSI codes: English corrigendum and Chinese versionOriginal FSD PDF
- Circular 3/2024Flexible connectors between sprinklers and range pipesOriginal FSD PDF
- Circular 2/2024Fire Protection Measures in High-rise Buildings under ConstructionOriginal FSD PDF
- Circular 1/2024Approval of portable equipment and acceptance of FSIs and fire safety productsOriginal FSD PDF
2023 5
- Circular 5/2023Revised Annual Inspection Checklist for Sprinkler SystemsOriginal FSD PDF
- Circular 4/2023Cap. 572: fresh-water integration and direct-pumping hydrant/hose reel systemsOriginal FSD PDF
- Circular 3/2023Specification of Gas Extraction System for Battery Room and Electrical Charging FacilitiesOriginal FSD PDF
- Circular 2/2023Fire Safety Requirements for Mechanical Ventilating SystemsOriginal FSD PDF
- Circular 1/2023Sprinkler System for Car PortsOriginal FSD PDF
2022 5
- Circular 5/2022Calibration of test instruments for FSI acceptance inspectionsOriginal FSD PDF
- Circular 4/2022Fire alarm annual inspection checklist: Chinese versionOriginal FSD PDF
- Circular 3/2022Annual Inspection Checklist for Fire Alarm SystemsOriginal FSD PDF
- Circular 2/2022FSI and inspection, testing and maintenance codes: September 2022Original FSD PDF
- Circular 1/2022Clean-agent systems: enclosure integrity review and annual inspectionOriginal FSD PDF
2021 8
- Circular 9/2021Revised annual checklists for hydrants, hose reels and supply tanksOriginal FSD PDF
- Circular 8/2021Additional requirements for staircase pressurizationOriginal FSD PDF
- Circular 7/2021Annual Inspection Checklist for Water SuppliesOriginal FSD PDF
- Circular 6/2021Standard for Fire Detection and Fire Alarm Systems for BuildingsOriginal FSD PDF
- Circular 5/2021Emergency lighting in licensed or registered premisesOriginal FSD PDF
- Circular 4/2021Specification for Emergency LightingOriginal FSD PDF
- Circular 2/2021Practical guide to FSI design, installation, acceptance and maintenanceOriginal FSD PDF
- Circular 1/2021FSI shutdown for maintenance, inspection, modification or repairOriginal FSD PDF
2020 6
- Circular 9/2020Pressure Reducing Valves for Fire Hydrant/Hose Reel SystemsOriginal FSD PDF
- Circular 7/2020Certification of FSIs in industrial buildings under Cap. 636Original FSD PDF
- Circular 6/2020Installation of Fire Service Pump or Supply Tank on Roof or Floor SlabOriginal FSD PDF
- Circular 5/2020Specification for Automatic Sprinkler InstallationsOriginal FSD PDF
- Circular 4/2020Additional fire safety for car parks with EV chargingOriginal FSD PDF
- Circular 1/2020Revised FSI inspection and testing applications for new buildingsOriginal FSD PDF
2019 3
2018 2
2017 5
- Circular 5/2017April 2012 FSI and maintenance codes: Chinese versionOriginal FSD PDF
- Circular 4/2017Clean Agent Fire Extinguishing SystemsOriginal FSD PDF
- Circular 3/2017Cap. 572: supply-tank capacity and fresh-water integration pilotOriginal FSD PDF
- Circular 2/2017Minimum Fire Resisting Cable Requirements for Fire Service InstallationsOriginal FSD PDF
- Circular 1/2017Automatic actuation for lifts not discharging to protected escape routesOriginal FSD PDF
2016 5
- Circular 7/2016Revised tests for static tanks storing Category 5 Class 3 dangerous goodsOriginal FSD PDF
- Circular 6/2016Stop Valves Management System for Fire Hydrant/Hose Reel SystemsOriginal FSD PDF
- Circular 5/2016Revised supply-tank requirements for hose reels under Cap. 572Original FSD PDF
- Circular 3/2016Fire safety guidance for new railway infrastructure: third issueOriginal FSD PDF
- Circular 2/2016Improvised hose reel systems under Cap. 572Original FSD PDF
2012 3
2011 1
2010 4
- Circular 4/2010Management of sprinkler subsidiary stop valvesOriginal FSD PDF
- Circular 3/2010Rules for Fire Detection and Fire Alarm Systems for BuildingsOriginal FSD PDF
- Circular 2/2010Multi-sensor Detectors in Fire Detection SystemsOriginal FSD PDF
- Circular 1/2010Emergency Exit DevicesOriginal FSD PDF
2009 3
2008 4
- Circular 5/2008Graphical Symbol Exit SignsOriginal FSD PDF
- Circular 4/2008Arrangements for Submissions of Fire Service Installation (FSI) PlansOriginal FSD PDF
- Circular 2/2008Fire Protection Measures in Construction SitesOriginal FSD PDF
- Circular 1/2008Inspection Checklist for Street Fire Hydrant SystemOriginal FSD PDF
2007 2
2006 3
2005 3
2004 1
2002 2
2001 3
2000 2
1999 3
1998 4
- Circular 5/98Miscellaneous topics: transformersOriginal FSD PDF
- Circular 3/981998 codes for FSIs and inspection, testing and maintenanceOriginal FSD PDF
- Circular 2/98Recall of Omega SprinklersOriginal FSD PDF
- Circular 1/98FSI certification under the 1998 commercial-premises amendment ordinanceOriginal FSD PDF
1997 8
- Circular 10/97Visual fire alarms under Barrier Free Access 1997Original FSD PDF
- Circular 8/97Specifications for portable fire extinguishersOriginal FSD PDF
- Circular 7/97Revised fire service requirements for refuge floorsOriginal FSD PDF
- Circular 5/97FS251 submission for provisional general/light-refreshment restaurant licencesOriginal FSD PDF
- Circular 4/971996 FSD circular letters: Chinese versionOriginal FSD PDF
- Circular 3/97Shutter installation checklistOriginal FSD PDF
- Circular 2/97Discharge tests for total flooding systemsOriginal FSD PDF
- Circular 1/97Fire service requirements for refuge floorsOriginal FSD PDF