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BSI 23/30456991 DC:2023 Edition

BSI 23/30456991 DC:2023 Edition

$13.70

BS EN 17966 Fire protection equipment. Carbon dioxide extinguishing systems for use on premises. Design and installation

Published By Publication Date Number of Pages
BSI 2023 79
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PDF Catalog

PDF Pages PDF Title
9 1 Scope
2 Normative references
3 Terms and definitions
13 4 Use and limitations
4.1 General
4.2 Uses for carbon dioxide systems
4.3 Limitations for carbon dioxide systems
4.4 Temperature limitations
14 5 Safety
5.1 Hazard to personnel
5.2 Safety precautions
5.2.1 Normally occupied and normally unoccupied areas
15 5.2.2 Warning notices for occupiable areas
18 5.2.3 Warning notices for unoccupiable areas
19 5.3 Electrical hazards
20 5.4 Electrical earthing
5.5 Electrostatic discharge
6 System design
6.1 General
6.1.1 Introduction
21 6.1.2 Specifications
6.1.3 Working documents
6.2 Carbon dioxide supply
6.2.1 Quality
6.2.2 Quantity
22 6.2.3 Container arrangement
6.2.3.1 General requirements
23 6.2.3.2 Conditions for the storage of pressurized containers
6.2.3.3 Arrangement for high-pressure containers
6.2.4 Storage containers
6.2.4.1 General
6.2.4.2 Marking
6.2.4.3 High-pressure containers
24 6.2.4.4 Low-pressure containers
25 6.2.4.5 Operating temperatures
6.3 Distribution
6.3.1 General
26 6.3.2 Piping
6.3.3 Fittings
6.3.4 Pipe and valve support
27 6.3.5 Valves
28 6.3.6 Nozzles
6.3.6.1 Nozzle choice and location
6.3.6.2 Nozzles in ceiling tiles
6.3.6.3 Marking
29 6.4 Enclosures (total flooding)
6.4.1 Structural strength
6.4.2 Loss through openings
30 6.4.3 Ventilation systems
6.5 Detection, actuation and control systems
6.5.1 General
6.5.2 Shut-down of plant and equipment
6.5.3 Automatic detection
6.5.4 Operating devices
6.5.4.1 General
31 6.5.4.2 Automatic operation
6.5.4.3 Manual operation
6.5.4.4 Pilot operation
6.5.5 Control equipment
6.5.5.1 Electric control equipment
32 6.5.5.2 Electrical actuators
6.5.5.3 Pneumatic control equipment
6.5.5.4 Mechanical cable release systems
6.5.6 Audible alarms and visual indicators
33 6.6 Local control (LC) and local control stations (LCS)
34 7 Carbon dioxide flow and concentration calculations
7.1 General
7.2 System flow calculations
7.2.1 General
7.2.2 Friction losses
7.2.3 Pressure drop
35 7.2.4 Valves and fittings
7.2.5 As-installed calculations
7.2.6 Specific requirements
7.3 Carbon dioxide concentration requirements
7.3.1 Flame extinguishment
36 7.3.2 Inerting
7.4 Total flooding quantity
7.4.1 General
7.4.2 Design quantity
37 7.4.3 KB factor
7.4.3.1 General
40 7.4.3.2 Effect of ventilation systems that cannot be shut down
7.4.3.3 Effect of openings (see 7.4.2)
7.4.3.4 Effect of enclosure temperature
7.4.3.5 Simultaneous flooding of interconnected volumes
7.5 Design of local application systems
7.5.1 General
7.5.2 Carbon dioxide requirements
41 7.5.3 Rate by area method
7.5.3.1 General
7.5.3.2 Nozzle discharge rates
7.5.3.3 Area per nozzle
7.5.3.4 Location and number of nozzles
42 7.5.4 Rate by volume method
7.5.4.1 General
43 7.5.4.2 Assumed enclosure
7.5.4.3 System discharge rate
44 7.5.4.4 Location and number of nozzles
7.6 Duration of protection — total flooding systems
7.7 System performance
7.7.1 Discharge time
45 7.7.2 Extended discharge
8 Commissioning and acceptance
8.1 General
8.2 Tests
8.2.1 General
8.2.2 Enclosure check
8.2.3 Review of mechanical components
46 8.2.4 Review of enclosure integrity
47 8.2.5 Review of electrical components
8.2.6 Preliminary functional tests
48 8.2.7 System functional operational test
8.2.8 Remote monitoring operations (if applicable)
8.2.9 Control panel primary power source
49 8.2.10 Completion of functional tests
8.3 Completion certificate and documentation
9 Inspection, maintenance, testing and training
9.1 General
9.2 Inspection
9.2.1 General
9.2.2 Container
9.2.3 Hose
9.2.4 Enclosures
50 9.3 Maintenance
9.3.1 General
9.3.2 User’s programme of inspection
9.3.3 Service schedule
9.4 Training
51 Annex A (normative)Working documents
A.1 General
A.2 Working documents
52 A.3 Specific details
A.3.1 Pre-engineered systems
A.3.2 Engineered systems
A.4 Completion certificate and documentation
58 Annex B (normative)Carbon dioxide system pipe and orifice size determination
68 Annex C (informative)System performance verification
69 Annex D (informative)General information on carbon dioxide
D.1 General
70 D.2 Free efflux
72 D.3 Hazards to personnel
74 Annex E (informative)Examples of calculations
E.1 Rate by volume method — Example 1
E.1.1 Hazard
E.1.2 Actual dimensions
E.1.3 Assumed volume
75 E.1.4 Percent perimeter enclosed
E.1.5 Discharge rate for 71 % enclosure
E.1.6 Discharge rate
E.1.7 Carbon dioxide requirement
E.2 Rate by volume method — Example 2
E.2.1 Hazard
E.2.2 Actual dimensions
E.2.3 Assumed volume
76 E.2.4 Percent perimeter enclosed
E.2.5 Discharge rate for 0 % enclosure
E.2.6 Discharge rate
E.2.7 Carbon dioxide requirement
E.3 Rate by area method
E.3.1 Hazard
E.3.2 Surface dimensions
E.3.3 Nozzle location
E.3.4 Procedure
E.3.5 Total flow rate
E.3.6 Carbon dioxide requirement
E.4 Total flooding system
E.4.1 Storeroom
77 E.4.2 Actual dimensions
E.4.3 Assumed volume
E.4.4 Additional volume for ventilation
E.4.5 Deductible volume
E.4.6 Total surface area of all sides
E.4.7 Total surface area of all openings
78 E.4.8 Area
E.4.9 Carbon dioxide design quantity

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BSI 23/30456991 DC
$13.70