BS 7273-4:2015+A1:2021 Bundle
$197.98
Code of practice for the operation of fire protection measures – Actuation of release mechanisms for doors
| Published By | Publication Date | Number of Pages |
| BSI | 2021 | 72 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | 30422111-LINK |
| 5 | Foreword |
| 7 | Introduction |
| 9 | 1 Scope |
| 10 | Figure 1 — Scope of BS 7273‑4 2 Normative references |
| 11 | 3 Terms and definitions |
| 15 | 4 Categories of actuation |
| 16 | 4.1 Selection of category |
| 17 | 4.2 Description of categories |
| 18 | Table 1 — Conditions under which the interface with door release mechanisms is fail‑safe |
| 19 | 5 Exchange of information and definition of responsibilities 6 Variations from the recommendations of this standard |
| 20 | 7 Methods of actuation |
| 23 | 8 Mechanisms for unlocking and release of doors 8.1 General 8.2 Electrically held open fire doors 8.3 Electronically secured doors |
| 24 | 8.4 Powered sliding doors 9 Interface design |
| 25 | 9.1 General 9.2 Electronically secured doors or powered sliding doors 9.3 Electrically held‑open fire doors |
| 26 | 10 Monitoring, integrity and reliability of actuation arrangements |
| 27 | 11 Manual release controls 11.1 Manual release controls for self‑closing fire doors 11.2 Manual release controls for electronically secured doors and powered sliding doors |
| 29 | 12 Special considerations for the design of any associated fire detection and fire alarm system 12.1 All fire detection and fire alarm systems 12.2 Systems that actuate release mechanisms for electrically held‑open fire doors |
| 32 | Figure 2 — Protection in corridors subdivided by electrically held open cross corridor fire doors |
| 33 | Figure 3 — Protection where a fire door between a corridor and a stairway is electrically held open |
| 34 | Figure 4 — Protection where a fire door between a room of limited size and a corridor or a stairway is electrically held‑open 12.3 Systems that actuate release mechanisms for electrically secured doors and powered sliding doors on means of escape |
| 35 | 13 Power supplies |
| 36 | 14 Cables, wiring and other interconnections 15 Acoustically‑actuated systems |
| 37 | 16 Radio‑actuated systems |
| 38 | 17 Electromagnetic compatibility |
| 39 | 18 Electrical safety 19 Door signage |
| 40 | 20 Commissioning |
| 42 | 21 Maintenance 21.1 Routine testing |
| 43 | 21.2 Inspection and servicing |
| 44 | 21.3 Recommendations for inspection and test over a 12 month period |
| 45 | Annex A (informative) Applications for mechanisms for unlocking and releasing doors |
| 46 | Annex B (normative) Selection of category of actuation |
| 47 | Table B.1 — Selection of category of actuation for release of self‑closing fire doors |
| 48 | Table B.2 — Selection of category of actuation for release of electronically locked doors on means of escape from buildings |
| 50 | Table B.3 — Selection of category of actuation for release of powered sliding doors on means of escape Annex C (informative) Typical actuation arrangements for release mechanisms |
| 51 | Figure C.1 — Use of relays at fire alarm CIE to actuate release mechanisms |
| 52 | Figure C.2 — Use of addressable loop device to actuate release mechanisms |
| 53 | Figure C.3 — Acoustic actuation of release mechanisms Figure C.4 — Acoustic actuation of release mechanisms |
| 54 | Figure C.5 — Combined acoustic and radio actuation of release mechanisms Annex D (informative) Example of a suitable sign for a manual release control |
| 55 | Figure D.1 — Example of a suitable sign for a manual release control Annex E (informative) The advantages and disadvantages of acoustic actuation of release mechanisms |
| 56 | Annex F (informative) The advantages and disadvantages of radio actuation of release mechanisms |
| 57 | Annex G (informative) Model commissioning certificate |
| 58 | Figure G.1 — Model commissioning certificate |
| 59 | Bibliography |
| 63 | 30432564-LINK |
| 67 | 1 Overview |
| 68 | 1.1 Reasons for change 2 Main commentary 2.1 Enhancements for people living with dementia |
| 69 | 2.2 Hold-open devices on self-closing flat entrance doors 2.3 Electronic locking on entrance doors to blocks of flats |
| 70 | 2.4 Routine testing 2.5 Use of relays on sounder circuits as an interface with door release mechanisms 2.6 Reference to BS 7273-6 Author Technical reviewers |
| 71 | Disclaimer |
