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Fire Protection

List of F.S.D. Circular Letters

The following are all .PDF files
Date
Circular Letter No. and Subject
File
30/04/2026
3/2026 - Acceptance of Internet of Things Fire Detection System and Portable Fire Extinguishers as an Alternative Solution to the Statutory Requirements for Hose Reel and Manual Fire Alarm Systems in Target Buildings of 6-storey or below regulated under the Fire Safety (Buildings) Ordinance, Cap. 572
3/2026 - Acceptance of Internet of Things Fire Detection System and Portable Fire Extinguishers as an Alternative Solution to the Statutory Requirements for Hose Reel and Manual Fire Alarm Systems in Target Buildings of 6-storey or below regulated under the Fire Safety (Buildings) Ordinance, Cap. 572
08/01/2026
2/2026 - Reporting Chain Effects of Shutdown of Fire Service Installations (FSIs) and Revised Measures for Building Notices
2/2026 - Reporting Chain Effects of Shutdown of Fire Service Installations (FSIs) and Revised Measures for Building Notices
08/01/2026
1/2026 - Enhanced Measures on Transparency of Defect and Power Supply Management of Fire Service Installations (FSIs)
1/2026 - Enhanced Measures on Transparency of Defect and Power Supply Management of Fire Service Installations (FSIs)
10/10/2025
6/2025 - Obsolete FSD Circular Letters
6/2025 - Obsolete FSD Circular Letters
05/09/2025
5/2025 - Notice on the Introduction of Revised Certificate of Fire Service Installations and Equipment [F.S. 251 (Rev. 1/2025)]
5/2025 - Notice on the Introduction of Revised Certificate of Fire Service Installations and Equipment [F.S. 251 (Rev. 1/2025)]
30/06/2025
4/2025 - Annual Inspection Checklist for Fire Detection Systems
4/2025 - Annual Inspection Checklist for Fire Detection Systems
26/06/2025
3/2025 - Fire Safety Requirements for Battery Rooms and Electrical Charging Facilities
3/2025 - Fire Safety Requirements for Battery Rooms and Electrical Charging Facilities
26/06/2025
2/2025 - Fire Safety Requirements for Data Centres
2/2025 - Fire Safety Requirements for Data Centres
13/03/2025
1/2025 - Obsolete Circular Letters
1/2025 - Obsolete Circular Letters
09/12/2024
5/2024 - Application Procedure for Inspection and Testing of Fire Service Installations and Equipment in Premises/Buildings under the Fire Safety (Commercial Premises) Ordinance, Cap. 502, Fire Safety (Buildings) Ordinance, Cap. 572 and Fire Safety (Industrial Buildings) Ordinance, Cap. 636, Laws of Hong Kong
5/2024 - Application Procedure for Inspection and Testing of Fire Service Installations and Equipment in Premises/Buildings under the Fire Safety (Commercial Premises) Ordinance, Cap. 502, Fire Safety (Buildings) Ordinance, Cap. 572 and Fire Safety (Industrial Buildings) Ordinance, Cap. 636, Laws of Hong Kong
26/04/2024
4/2024 - Part I: Corrigendum – English version of Codes of Practice for Minimum Fire Service Installations and Equipment and Inspection, Testing and Maintenance of Installations and Equipment (September 2022) (the Codes); and Part II: Chinese version of the Codes
4/2024 - Part I: Corrigendum – English version of Codes of Practice for Minimum Fire Service Installations and Equipment and Inspection, Testing and Maintenance of Installations and Equipment (September 2022) (the Codes); and Part II: Chinese version of the Codes
18/04/2024
3/2024 - Requirements on the Use of Flexible Connectors for Connecting Single Sprinklers to Range Pipes in Sprinkler System
3/2024 - Requirements on the Use of Flexible Connectors for Connecting Single Sprinklers to Range Pipes in Sprinkler System
21/03/2024
2/2024 - Fire Protection Measures in High-rise Buildings under Construction
2/2024 - Fire Protection Measures in High-rise Buildings under Construction
19/02/2024
1/2024 - FSD Circular Letter No. 1/2024 – Enhanced Mechanisms for Approval of Portable Equipment and Acceptance of Fire Service Installations and Equipment (FSIs) and Fire Safety Products
1/2024 - FSD Circular Letter No. 1/2024 – Enhanced Mechanisms for Approval of Portable Equipment and Acceptance of Fire Service Installations and Equipment (FSIs) and Fire Safety Products
31/08/2023
5/2023 - Revised Annual Inspection Checklist for Sprinkler Systems
5/2023 - Revised Annual Inspection Checklist for Sprinkler Systems
06/07/2023
4/2023 - Fire Safety Measures required under the Fire Safety (Buildings) Ordinance, Cap. 572, Laws of Hong Kong Part I: Incorporation of the Fresh Water Supply System into the Fire Hydrant/Hose Reel System Part II: Improvised Hose Reel System (Direct Pumping Design) and Improvised Fire Hydrant/Hose Reel System (Direct Pumping Design)
4/2023 - Fire Safety Measures required under the Fire Safety (Buildings) Ordinance, Cap. 572, Laws of Hong Kong Part I: Incorporation of the Fresh Water Supply System into the Fire Hydrant/Hose Reel System Part II: Improvised Hose Reel System (Direct Pumping Design) and Improvised Fire Hydrant/Hose Reel System (Direct Pumping Design)
07/06/2023
3/2023 - Specification of Gas Extraction System for Battery Room and Electrical Charging Facilities
3/2023 - Specification of Gas Extraction System for Battery Room and Electrical Charging Facilities
07/06/2023
2/2023 - Fire Safety Requirements for Mechanical Ventilating Systems
2/2023 - Fire Safety Requirements for Mechanical Ventilating Systems
01/03/2023
1/2023 - Sprinkler System for Car Ports
1/2023 - Sprinkler System for Car Ports
12/12/2022
5/2022 - Calibration Requirements for Test Instruments Used for Acceptance Inspection of Fire Service Installations and Equipment
5/2022 - Calibration Requirements for Test Instruments Used for Acceptance Inspection of Fire Service Installations and Equipment
10/11/2022
4/2022 – Annual Inspection Checklist for Fire Alarm Systems Chinese Version
4/2022 – Annual Inspection Checklist for Fire Alarm Systems Chinese Version
26/09/2022
3/2022 – Annual Inspection Checklist for Fire Alarm Systems
3/2022 – Annual Inspection Checklist for Fire Alarm Systems
15/07/2022
2/2022 - Codes of Practice for Minimum Fire Service Installations and Equipment and Inspection, Testing and Maintenance of Installations and Equipment (September 2022)
2/2022 - Codes of Practice for Minimum Fire Service Installations and Equipment and Inspection, Testing and Maintenance of Installations and Equipment (September 2022)
30/06/2022
1/2022 - Clean Agent Fire Extinguishing Systems - Review and Annual Inspection of Enclosure Integrity
1/2022 - Clean Agent Fire Extinguishing Systems - Review and Annual Inspection of Enclosure Integrity
25/11/2021
9/2021 – Revised Annual Inspection Checklists for Fire Hydrant/Hose Reel Systems and Supply Tanks
9/2021 – Revised Annual Inspection Checklists for Fire Hydrant/Hose Reel Systems and Supply Tanks
15/10/2021
8/2021 - Additional Requirements for the Pressurization of Staircases (24.9.2021)
8/2021 -  Additional Requirements for the Pressurization of Staircases (24.9.2021)
12/08/2021
7/2021 - Annual Inspection Checklist for Water Supplies
7/2021 - Annual Inspection Checklist for Water Supplies
11/06/2021
6/2021 – Standard for Fire Detection and Fire Alarm Systems for Buildings
6/2021 – Standard for Fire Detection and Fire Alarm Systems for Buildings
25/05/2021
5/2021 – Fire Safety Requirements for Emergency Lighting System in Licensed/Registered Premises
5/2021 – Fire Safety Requirements for Emergency Lighting System in Licensed/Registered Premises
25/05/2021
4/2021 – Specification for Emergency Lighting
4/2021 – Specification for Emergency Lighting
24/02/2021
2/2021 - A Practical Guide for Design, Installation, Acceptance and Maintenance of Fire Service Installations and Equipment
2/2021 - A Practical Guide for Design, Installation, Acceptance and Maintenance of Fire Service Installations and Equipment
15/01/2021
1/2021 - Shutdown of Fire Service Installations for Maintenance, Inspection, Modification or Repair
1/2021 - Shutdown of Fire Service Installations for Maintenance, Inspection, Modification or Repair
24/12/2020
9/2020 - Pressure Reducing Valves for Fire Hydrant/Hose Reel Systems
9/2020 - Pressure Reducing Valves for Fire Hydrant/Hose Reel Systems
25/11/2020
7/2020 - Certification of Fire Service Installations and Equipment required under the Fire Safety (Industrial Buildings) Ordinance, Cap. 636, Laws of Hong Kong
7/2020 - Certification of Fire Service Installations and Equipment required under the Fire Safety (Industrial Buildings) Ordinance, Cap. 636, Laws of Hong Kong
21/09/2020
6/2020 - Installation of Fire Service Pump or Supply Tank on Roof or Floor Slab
6/2020 - Installation of Fire Service Pump or Supply Tank on Roof or Floor Slab
10/09/2020
5/2020 - Specification for Automatic Sprinkler Installations
5/2020 - Specification for Automatic Sprinkler Installations
31/07/2020
4/2020 - Additional Fire Safety Requirements for Car Parking Facilities installed with Electric Vehicle Charging Facilities
4/2020 - Additional Fire Safety Requirements for Car Parking Facilities installed with Electric Vehicle Charging Facilities
10/02/2020
1/2020 – Revised Application Procedure for Inspection and Testing of Fire Service Installations and Equipment in New Building
1/2020 – Revised Application Procedure for Inspection and Testing of Fire Service Installations and Equipment in New Building
22/03/2019
3/2019 - Guidance Notes on Submission, Approval and Acceptance Inspection of Fire Service Installations and Equipment in Modular Integrated Construction Building Projects
3/2019 - Guidance Notes on Submission, Approval and Acceptance Inspection of Fire Service Installations and Equipment in Modular Integrated Construction Building Projects
21/03/2019
2/2019 - Fire Safety Requirements for Waivers for Buffer Floor and Lower Floors of an Existing Industrial Building
2/2019 - Fire Safety Requirements for Waivers for Buffer Floor and Lower Floors of an Existing Industrial Building
15/01/2019
1/2019 - Ventilation / Air Conditioning (V/AC) Control System
1/2019 - Ventilation / Air Conditioning (V/AC) Control System
21/12/2018
3/2018 - Revised Testing Standards for Static Tanks for Storage of Category 5 Class 1 and Class 2 Dangerous Goods in Bulk
3/2018 - Revised Testing Standards for Static Tanks for Storage of Category 5 Class 1 and Class 2 Dangerous Goods in Bulk
12/12/2018
2/2018 - Guidelines on the Formulation of Fire Safety Improvement Plans
2/2018 - Guidelines on the Formulation of Fire Safety Improvement Plans
06/12/2017
5/2017 - Chinese Version of the Codes of Practice for Minimum Fire Service Installations and Equipment and Inspection, Testing and Maintenance of Installations and Equipment April 2012
5/2017 - Chinese Version of the Codes of Practice for Minimum Fire Service Installations and Equipment and Inspection, Testing and Maintenance of Installations and Equipment April 2012
01/12/2017
4/2017 - Clean Agent Fire Extinguishing Systems
4/2017 - Clean Agent Fire Extinguishing Systems
27/09/2017
3/2017 - Part I: Reduced Supply Tank Capacity Requirement for the Fire Hydrant/Hose Reel System; and Part II: Pilot Scheme on the Incorporation of the Fresh Water Supply System into the Fire Hydrant/Hose Reel System in Connection with the Enforcement the
3/2017 - Part I: Reduced Supply Tank Capacity Requirement for the Fire Hydrant/Hose Reel System; and Part II: Pilot Scheme on the Incorporation of the Fresh Water Supply System into the Fire Hydrant/Hose Reel System in Connection with the Enforcement the
21/09/2017
2/2017 - Minimum Fire Resisting Cable Requirements for Fire Service Installations
2/2017 - Minimum Fire Resisting Cable Requirements for Fire Service Installations
27/02/2017
1/2017 - Automatic Actuation Devices for Lifts Not Discharging to Protected Means of Escape
1/2017 - Automatic Actuation Devices for Lifts Not Discharging to Protected Means of Escape
22/12/2016
7/2016 - Revised Testing Standard for the Static Tanks for the Purpose of Storage of DG in Cat.5 Cl.3 in Bulk
7/2016 - Revised Testing Standard for the Static Tanks for the Purpose of Storage of DG in Cat.5 Cl.3 in Bulk
17/11/2016
6/2016 - Stop Valves Management System for Fire Hydrant/Hose Reel Systems
6/2016 - Stop Valves Management System for Fire Hydrant/Hose Reel Systems
31/10/2016
5/2016 - Revised Supply Tank Requirement for Hose Reel System in Connection with the Enforcement of the Fire Safety (Buildings) Ordinance (Cap.572)
5/2016 - Revised Supply Tank Requirement for Hose Reel System in Connection with the Enforcement of the Fire Safety (Buildings) Ordinance (Cap.572)
12/10/2016
3/2016 - Guidelines on Formulation of Fire Safety Requirements for New Railway Infrastructures (3rd Issue)
3/2016 - Guidelines on Formulation of Fire Safety Requirements for New Railway Infrastructures (3rd Issue)
06/09/2016
2/2016 - Improvised Hose Reel System in Connection with the Enforcement of the Fire Safety (Buildings) Ordinance (Cap. 572), Laws of Hong Kong
2/2016 - Improvised Hose Reel System in Connection with the Enforcement of the Fire Safety (Buildings) Ordinance (Cap. 572), Laws of Hong Kong
30/10/2014
1/2014 - Use of Pre-insulated Panels for the Construction of Air Ducts in Mechanical Ventilating Systems
1/2014 - Use of Pre-insulated Panels for the Construction of Air Ducts in Mechanical Ventilating Systems
20/08/2013
2/2013 - Fire Hydrant / Hose Reel System
2/2013 - Fire Hydrant / Hose Reel System
28/03/2012
4/2012 - Code of Practice for Minimum Fire Service Installations and Equipment and Inspection, Testing and Maintenance of Installations and Equipment
4/2012 - Code of Practice for Minimum Fire Service Installations and Equipment and Inspection, Testing and Maintenance of Installations and Equipment
22/03/2012
3/2012 - Specification for Automatic Sprinkler Installations
3/2012 - Specification for Automatic Sprinkler Installations
07/02/2012
2/2012 - Part I : Visual Fire Alarm Systems as Required under the Design Manual; Barrier Free Access 2008 、Part II : Checklist for Fire Detection and Fire Alarm System to BS 5839-1:2002+A2:2008
2/2012 - Part I : Visual Fire Alarm Systems as Required under the Design Manual; Barrier Free Access 2008 、Part II : Checklist for Fire Detection and Fire Alarm System to BS 5839-1:2002+A2:2008
10/10/2011
1/2011 - Delisting of Fire Extinguishers Containing Scheduled Substances from the Government Gazette
1/2011 - Delisting of Fire Extinguishers Containing Scheduled Substances from the Government Gazette
27/09/2010
4/2010 - Sprinkler Subsidary Stop Valves Management System
4/2010 - Sprinkler Subsidary Stop Valves Management System
01/06/2010
3/2010 - Rules for Fire Detection and Fire Alarm Systems for Buildings
3/2010 - Rules for Fire Detection and Fire Alarm Systems for Buildings
09/02/2010
2/2010 - Multi-sensor Detectors in Fire Detection Systems
2/2010 - Multi-sensor Detectors in Fire Detection Systems
04/02/2010
1/2010 - Emergency Exit Devices
1/2010 - Emergency Exit Devices
11/12/2009
3/2009 - Arrangements upon the Import Banning of Fire Extinguishers Containing Schedules Substances
3/2009 - Arrangements upon the Import Banning of Fire Extinguishers Containing Schedules Substances
31/07/2009
2/2009 - Sounder Bases of Smoke Detectors in Hotels/Guesthouses and Student Hostels
2/2009 - Sounder Bases of Smoke Detectors in Hotels/Guesthouses and Student Hostels
16/07/2009
1/2009 - Rules for Fire Dectection and Fire Alarm Systems for Buildings
1/2009 - Rules for Fire Dectection and Fire Alarm Systems for Buildings
13/05/2008
5/2008 - Graphical Symbol Exit Signs
5/2008 - Graphical Symbol Exit Signs
06/05/2008
4/2008 - Arrangements for Submissions of Fire Service Installation (FSI) Plans
4/2008 - Arrangements for Submissions of Fire Service Installation (FSI) Plans
31/03/2008
2/2008 - Fire Protection Measures in Construction Sites
2/2008 - Fire Protection Measures in Construction Sites
23/01/2008
1/2008 - Inspection Checklist for Street Fire Hydrant System
1/2008 - Inspection Checklist for Street Fire Hydrant System
08/08/2007
3/2007 - Fire Service Installations and Equipment required under the Fire Safety (Buildings) Ordinance
3/2007 - Fire Service Installations and Equipment required under the Fire Safety (Buildings) Ordinance
15/06/2007
2/2007 - Certification of Fire Service Installations and Equipment required under the Fire Safety (Buildings) Ordinance, Cap 572, Laws of Hong Kong
2/2007 - Certification of Fire Service Installations and Equipment required under the Fire Safety (Buildings) Ordinance, Cap 572, Laws of Hong Kong
17/08/2006
4/2006 - Guidelines on Specifications, Installation and Maintenance of Fire Service Installations and Equipment for the new fire safety requirements of the New Territories Exempted Houses (hereinafter called Small Houses)
4/2006 - Guidelines on Specifications, Installation and Maintenance of Fire Service Installations and Equipment for the new fire safety requirements of the New Territories Exempted Houses (hereinafter called Small Houses)
01/08/2006
3/2006 - Specification for Automatic Sprinkler Installations
3/2006 - Specification for Automatic Sprinkler Installations
31/07/2006
2/2006 - Pressurization of Staircases to British Standard 5588:Part 4
2/2006 - Pressurization of Staircases to British Standard 5588:Part 4
21/11/2005
5/2005 - Codes of Practice for Minimum Fire Service Installations and Equipment and Inspection, Testing and Maintenance of Installations and Equipment
5/2005 - Codes of Practice for Minimum Fire Service Installations and Equipment and Inspection, Testing and Maintenance of Installations and Equipment
15/08/2005
4/2005 - Emergency Vehicular Access
4/2005 - Emergency Vehicular Access
03/06/2005
3/2005 - Introduction of Standard Form for Annual Certification on Ventilating Systems
3/2005 - Introduction of Standard Form for Annual Certification on Ventilating Systems
23/03/2004
1/2004 - Checklist for the Inspection of Fire Detection and Alarm Systems
1/2004 - Checklist for the Inspection of Fire Detection and Alarm Systems
01/06/2003
2/2003 - Notes on Fire Extinguishers (Suitability and Maintenance)
2/2003 - Notes on Fire Extinguishers (Suitability and Maintenance)
18/11/2002
2/2002 - Hot Smoke Test on Smoke Extraction System
2/2002 - Hot Smoke Test on Smoke Extraction System
01/06/2002
1/2002 - Rules for Fire Detection and Alarm Systems for Buildings
1/2002 - Rules for Fire Detection and Alarm Systems for Buildings
24/12/2001
4/2001 - Part I : Visual Fire Alarm System 、 II : Time Related System 、III : Water Mist System
4/2001 - Part I : Visual Fire Alarm System 、 II : Time Related System 、III : Water Mist System
30/05/2001
2/2001 - Introduction of Revised Certificate of Fire Service 、 Installations and Equipment - F.S.251(Rev. 7/2000)
2/2001 - Introduction of Revised Certificate of Fire Service 、 Installations and Equipment - F.S.251(Rev. 7/2000)
01/02/2001
1/2001 - Application of Ceiling, Flush, Recessed and Concealed Sprinklers
1/2001 - Application of Ceiling, Flush, Recessed and Concealed Sprinklers
12/04/2000
2/2000 - Exit and Directional Signs
2/2000 - Exit and Directional Signs
20/01/2000
1/2000 - Flammability S 6-12-2017 d Upholstered Furniture in Licensed Premises and Public Areas
1/2000 - Flammability S 6-12-2017 d Upholstered Furniture in Licensed Premises and Public Areas
15/12/1999
7/99 - Installation & Maintenance of Audio/Visual Advisory System Emergency Generator, Emergency Light & Exit Sign
7/99 - Installation & Maintenance of Audio/Visual Advisory System Emergency Generator, Emergency Light & Exit Sign
01/09/1999
5/99 - Visual Fire Alarm System as required under the Design Manual : Barrier Free Access 1997
5/99 - Visual Fire Alarm System as required under the Design Manual : Barrier Free Access 1997
05/03/1999
3/99 - Certification of Fire Service Installations and Equipment
3/99 - Certification of Fire Service Installations and Equipment
16/12/1998
5/98 - Miscellaneous Topics – Transformers
5/98 - Miscellaneous Topics – Transformers
20/11/1998
3/98 - Codes of Practice for Minimum Fire Service Installations and Equipment and Inspection, Testing and Maintenance of Installations and Equipment 1998
3/98 - Codes of Practice for Minimum Fire Service Installations and Equipment and Inspection, Testing and Maintenance of Installations and Equipment 1998
19/11/1998
2/98 - Recall of Omega Sprinklers
2/98 - Recall of Omega Sprinklers
02/06/1998
1/98 - Certification of Fire Service Installations and Equipment required under the Fire Safety (Commercial Premises) (Amendment) Ordinance 1998
1/98 - Certification of Fire Service Installations and Equipment required under the Fire Safety (Commercial Premises) (Amendment) Ordinance 1998
29/08/1997
10/97 - Visual Fire Alarm System as required under the Design Manual : Barrier Free Access 1997
10/97 - Visual Fire Alarm System as required under the Design Manual : Barrier Free Access 1997
05/08/1997
8/97 - Specification for Portable Fire Extinguishers
8/97 - Specification for Portable Fire Extinguishers
18/06/1997
7/97 - Revised Fire Services Requirements for Refuge Floors
7/97 - Revised Fire Services Requirements for Refuge Floors
13/03/1997
5/97 - Submission of Certificate of Fire Services Installations and Equipment (FS251) in the Application of Provisional Licence for General/Light Refreshment Restaurant
5/97 - Submission of Certificate of Fire Services Installations and Equipment (FS251) in the Application of Provisional Licence for General/Light Refreshment Restaurant
13/03/1997
4/97 - F.S.D. Circular Letters 1996 – Chinese Version
4/97 - F.S.D. Circular Letters 1996 – Chinese Version
12/03/1997
3/97 - Checklist for Shutter Installation
3/97 - Checklist for Shutter Installation
12/03/1997
2/97 - Discharge Tests for Total Flooding System
2/97  - Discharge Tests for Total Flooding System
13/02/1997
1/97 - Fire Services Requirements for Refuge Floors
1/97 - Fire Services Requirements for Refuge Floors
22/10/1996
4/96 - F.S.D. Circular Letters
4/96 - F.S.D. Circular Letters
26/09/1995
7/95 - Automatic Fire Detection System – Design and Maintenance Considerations
7/95 - Automatic Fire Detection System – Design and Maintenance Considerations
16/09/1994
2/94 - Rules for Automatic Sprinkler Installations
2/94 - Rules for Automatic Sprinkler Installations