Stałe urządzenia gaśnicze - Zestawy instalacji mgły wodnej. Część 1: Projektowanie, instalacja, przegląd i konserwacja. PN-EN 14972-1+A1:2025-10 - wersja angielska - Polski Komitet Normalizacyjny (Warszawa : Polski Komitet Normalizacyjny, 2025)
W niniejszym dokumencie określono wymagania i podano zalecenia dotyczące projektowania, instalacji, przeglądu i konserwacji wszystkich typów stałych lądowych zestawów instalacji mgły wodnej. Niniejszy dokument ma zastosowanie do systemów automatycznych dysz wodnych oraz zestawów instalacji mgły wodnej zasilanych przez systemy autonomiczne lub pompowe. W dokumencie uwzględniono tylko te zastosowania i pomieszczenia, które są objęte protokołami badań ogniowych normy wieloczęściowej EN 14972. Aspekty mgły wodnej związane z ochroną przeciwwybuchową i/lub zastosowaniem w pojazdach nie są uwzględnione w niniejszym dokumencie. W niniejszym dokumencie nie uwzględniono wszystkich wymagań prawnych. W niektórych krajach obowiązują specyficzne przepisy krajowe, które mają pierwszeństwo przed niniejszym dokumentem. Użytkownikom niniejszego dokumentu poleca się uzyskanie informacji o możliwości zastosowania lub braku możliwości zastosowania tego dokumentu przez właściwe władze krajowe.
Page European foreword 9 Introduction 11 1 Scope 12 2 Normative references 12 3 Terms, definitions and abbreviations 13 3.1 Terms and definitions 13 3.2 Abbreviations 20 4 Design 20 4.1 Design principal 20 4.1.1 General 20 4.1.2 General requirement 20 4.1.3 Full scale fire testing procedures 20 4.2 Design, installation, operation and maintenance manual 21 4.2.1 General 21 4.2.2 Content of the DIOM manual 21 4.3 Water mist systems using gas for their operation 23 4.4 Use of additives 23 4.5 Design parameters 23 4.6 Water and gas supply 23 4.6.1 Pumped systems requirements 23 4.6.2 Self-contained systems requirements 23 4.7 Compartment protection 23 4.7.1 General 23 4.7.2 Compartment 23 4.7.3 Fire hazard 24 4.7.4 Design requirements 24 4.8 Requirements for different types of water mist deluge systems 24 4.8.1 Local application systems 24 4.8.2 Local application systems with multiple hazards 24 4.8.3 Volume protection water mist systems 24 4.8.4 Zoned protection systems 24 4.8.5 Activation and control 24 4.9 Design of water mist automatic nozzle systems 25 4.9.1 Extent of protection 25 4.9.2 Permitted exceptions within a building 25 4.9.3 Material reaction 25 4.9.4 System design 25 4.9.5 Nozzle selection and positioning 30 4.9.6 Alarm device 30 4.9.7 Test connection 30 4.9.8 Air velocity and openings 30 4.10 Design of water mist deluge system 31 4.10.1 Nozzle selection and positioning 31 4.10.2 Air velocity and openings 31 4.10.3 Automatic shut-down 31 4.11 Fire detection and fire alarm systems activating the water mist system 31 4.11.1 General requirements 31 4.11.2 Fire detection and fire alarm systems continuity 31 4.11.3 Avoiding false alarms by water mist discharge 32 4.11.4 Manual activation 32 4.11.5 Electrical detection and activation 32 4.11.6 Non-electrical detection 33 4.12 Hydraulic and pneumatic calculations 33 4.13 Water, propellant and atomizing gas supply design 33 4.13.1 General 33 4.13.2 Connection to public or town mains 33 4.13.3 Flow requirement 34 4.13.4 Maximum and minimum water pressure 34 4.13.5 Discharge operating time 34 4.13.6 Type of water supply 36 4.13.7 Availability 36 4.13.8 Housing of equipment for water supplies 40 5 Installation 40 5.1 General 40 5.1.1 DIOM manual 40 5.1.2 Electrical safety 40 5.1.3 High Voltage live electrical equipment 41 5.1.4 Electrical clearances 41 5.2 Nozzle 41 5.2.1 General 41 5.2.2 Automatic nozzle 42 5.2.3 Open nozzle 42 5.3 Pipe 43 5.3.1 General 43 5.3.2 Protection against mechanical damages 43 5.3.3 Protection against corrosion 43 5.3.4 Protection in seismic areas 43 5.3.5 Protection against freezing for wet pipes 43 5.3.6 Accessibility of the pipe work 43 5.3.7 Pipe bending 43 5.3.8 Water supply pipes 44 5.3.9 Pipe support 44 5.3.10 Drainage 45 5.4 Gas and water containers (where provided) 45 5.4.1 General 45 5.4.2 Location 45 5.4.3 Accessibility 45 5.4.4 Fixing 45 5.4.5 Manifolds 45 5.4.6 Temperature 45 5.5 Strainers and filters 46 5.5.1 Strainers 46 5.5.2 Nozzle filter 46 5.5.3 System filters 46 5.6 Valves 46 5.6.1 General 46 5.6.2 Identifications 46 5.6.3 Accessibility 46 5.6.4 Securing and monitoring valves 46 5.6.5 Shut-off valves 46 5.6.6 Control valves 46 5.6.7 Check and non-return valves 47 5.7 Pressure gauges 47 5.8 Test connection 47 5.8.1 Test connection for automatic water mist systems 47 5.8.2 Test connection for water mist deluge system 47 5.9 Electrical installation 47 5.9.1 Electrical power supply 47 5.9.2 Fire detection and fire alarm system 47 5.10 System monitoring and alarms 47 5.10.1 General 47 5.10.2 Alarms 47 5.10.3 Remote signalling 48 5.11 Water mist system supply, including additives 48 5.11.1 General 48 5.11.2 Water quality 48 5.11.3 Additives 49 5.11.4 Water supply 49 5.11.5 Test devices 51 6 Water mist system components 52 6.1 General 52 6.1.1 Requirements for components 52 6.1.2 Pressure rating 52 6.2 Nozzle 52 6.3 Piping and fittings 52 6.3.1 Pipework 52 6.3.2 Fittings 53 6.4 Flexible hoses 53 6.4.1 Hose length 53 6.4.2 Hoses to be used in areas exposed to fire class B fires 54 6.4.3 Hose rating 54 6.5 Pipe supports 54 6.6 Valves 54 6.6.1 Shut-off valves 54 6.6.2 Pressure regulating valves 54 6.6.3 Check and non-return valves 54 6.6.4 Drain/fill valves 54 6.6.5 Safety valves 55 6.7 Control valves 55 6.7.1 General 55 6.7.2 Strainers and filters 55 6.8 Flow switches and flow transmitters 55 6.9 Pressure switches and pressure transmitters 55 6.10 Supply components for self-contained systems 55 6.10.1 General 55 6.10.2 Excess pressure 56 6.10.3 Pressure container marking 56 6.10.4 Design temperature 56 6.10.5 Gas cylinders and actuation valve 56 6.10.6 Cylinders and storage containers for water 56 7 Main pumps for water mist systems 56 7.1 General 56 7.2 Pump set 56 7.2.1 Operation 56 7.2.2 Overpressure 56 7.2.3 Centrifugal pumps 57 7.2.4 Positive displacement pumps 57 7.2.5 Pump driver 57 7.2.6 Pump Cooling 57 7.2.7 Pump set anchoring 57 7.2.8 Positive displacement pump filters 57 7.2.9 Pump set coupling 57 7.2.10 Valves and accessories 57 7.2.11 Suction pipe 58 7.2.12 Discharge pipe 58 7.2.13 Pump set rating 58 7.2.14 Pump set operation 59 7.2.15 Electrically driven pump sets 60 7.2.16 Diesel engine driven pump sets 62 8 Testing, acceptance and commissioning 66 8.1 Acceptance test for water mist systems 66 8.2 Test criteria 66 8.3 Site commissioning test 67 8.4 Completion certificate and documents 67 9 Inspection and maintenance 67 9.1 Inspection 67 9.1.1 Inspection schedule 67 9.1.2 User's program of inspection 67 9.2 Inspection and maintenance routines 68 9.2.1 Weekly routine 68 9.2.2 Monthly routine 68 9.2.3 Quarterly routine 69 9.2.4 Half-yearly routine 69 9.2.5 Annual inspection 70 9.2.6 Three-yearly routine 71 9.2.7 Five-yearly routine 71 9.2.8 Ten-yearly routine 71 9.2.9 Maintenance schedule 72 9.2.10 User's program of monitoring 72 9.2.11 Training 72 10 Documentation 72 10.1 Installation documentation 72 10.2 Documentation for acceptance of design, installation and commissioning 72 Annex A (informative) Guideline for developing representative fire test protocols for water mist systems 74 A.1 General 74 A.2 Evaluation of the fire hazard 74 A.3 Evaluation of the compartment conditions 75 A.4 Determining the performance objective 76 A.5 Setting up the fire test procedure 76 A.6 Carrying out the test 78 A.7 Documentation and interpretation of test results 78 A.8 Example for fire test report 78 Annex B (informative) Area of operation for typical automatic nozzle water mist systems 80 B.1 General 80 B.2 Typical system component layouts 80 B.2.1 System components gridded layout 80 B.2.2 System components terminal layout 81 B.2.3 System components looped layout 81 B.3 AOs to be determined by full hydraulic calculation 82 B.4 Most unfavourable and most favourable AO demands and the pump supply curve 84 B.5 Calculating the number of nozzles and actual area of AO 85 B.6 Method of calculating the area per nozzle 88 B.6.1 Regular spacing 88 B.6.2 Irregular spacing 88 B.7 Shape of the AO 91 B.7.1 General 91 B.7.2 Shape of the hydraulically most unfavourable location 91 B.7.3 Shape of the hydraulically most favourable location 94 B.8 Length of the AO 96 B.9 Relocation of section valves 97 B.10 Calculating the nozzles operating in the most unfavourable AO 97 Annex C (normative) Limits of applicability for water mist systems tested in accordance with EN 14972-2 99 C.1 General 99 C.2 Regarding the scope of the water mist system 99 C.2.1 General 99 C.2.2 Storage areas 99 C.3 Storage requirements 100 Annex D (normative) Limits of applicability for water mist systems tested in accordance with EN 14972-3 102 D.1 General 102 D.2 Regarding the scope of the water mist system 102 D.3 Additional design and installation parameters 103 Annex E (normative) Limits of applicability for water mist systems tested in accordance with EN 14972-4 104 E.1 General 104 E.2 Regarding the scope of the water mist system 104 E.3 Additional information on testing methodology 105 Annex F (normative) Limits of applicability for water mist systems tested in accordance with EN 14972-5 106 F.1 General 106 F.2 Regarding the scope of the water mist system 106 Annex G (normative) Limits of applicability for water mist systems tested in accordance with EN 14972-6 107 G.1 General 107 G.2 Regarding the scope of the water mist system 107 Annex H (normative) Limits of applicability for water mist systems tested in accordance with EN 14972-7 108 H.1 General 108 H.2 Regarding the scope of the water mist system 108 Annex I (normative) Limits of applicability for water mist systems tested in accordance with EN 14972-8 109 I.1 General 109 I.2 Regarding the scope of the water mist system 109 Annex J (normative) Limits of applicability for water mist systems tested in accordance with EN 14972-9 111 J.1 General 111 J.2 Regarding the scope of the water mist system 111 J.3 Additional design and installation parameters 112 Annex K (normative) Limits of applicability for water mist systems tested in accordance with EN 14972-10 113 K.1 General 113 K.2 Regarding the scope of the water mist system 113 K.3 Additional design and installation parameters 113 Annex L (normative) Limits of applicability for water mist systems tested in accordance with EN 14972-11 114 L.1 General 114 L.2 Regarding the scope of the water mist system 114 L.3 Additional design and installation parameters 114 Annex M (normative) Limits of applicability for water mist systems tested in accordance with EN 14972-12 115 M.1 Regarding the scope of the water mist system 115 M.2 Additional design and installation parameters 115 Annex N (normative) Limits of applicability for water mist systems tested in accordance with EN 14972-13 116 N.1 Additional design and installation parameters 116 Annex O (normative) Limits of applicability for water mist systems tested in accordance with EN 14972-14 117 O.1 General 117 O.2 Regarding the scope of the water mist system 117 O.3 Additional design and installation parameters 117 Annex P (normative) Limits of applicability for water mist systems tested in accordance with EN 14972-15 118 P.1 General 118 P.2 Regarding the scope of the water mist system 118 P.3 Additional design and installation parameters 118 Annex Q (normative) Limits of applicability for water mist systems tested in accordance with EN 14972-16 119 Q.1 Regarding the scope of the water mist system 119 Q.2 Additional design and installation parameters 119 Annex R (normative) Limits of applicability for water mist systems tested in accordance with EN 14972-17 120 R.1 General 120 R.2 Regarding the scope of the water mist system 120 R.3 Additional design and installation parameters 120 R.3.1 Consultation 120 R.3.2 System Enhancements 120 Annex S (normative) Measurement tolerances 121 Bibliography 122.
Zastępuje PN-EN 14972-1:2021-05 wersja angielska
Wprowadza EN 14972-1:2020+A1:2025 - IDT.
Keywords: Normy; Bezzałogowe statki powietrzne; Metody badawcze; urządzenia zasilające