bs 5306-4-1986 fire extinguishing installations and equipment on premises

[...]... RECOMMENDATIONS ON CLAUSE 31 Licensed copy:RMJM, 30/08/2005, Uncontrolled Copy, © BSI Operation of manual hose reel systems depends upon manual actuation and manual manipulation of a discharge nozzle Speed and simplicity of operation is, therefore, essential for successful extinction © BSI 01-1999 17 BS 5306-4:1986 Section 7 System engineering design 32 System components Principal components shall... machines Carbon dioxide required BS 5306-4:1986 Section 5 Local application systems 17 Uses Local application systems shall comply with section 1, except as varied in this section Licensed copy:RMJM, 30/08/2005, Uncontrolled Copy, © BSI COMMENTARY AND RECOMMENDATIONS ON CLAUSE 17 Local application systems may be used for extinguishing surface fires on class B materials and in certain cases for class... ventilated and the atmosphere rendered safe COMMENTARY AND RECOMMENDATIONS ON 34.4.3 It is recommended that the following lamps and wording be used to identify system conditions: Red lamp: CO2 discharged Amber lamp: automatic and manual control Green lamp: manual control Optional condition indicators may be provided as follows: Red (flashing): fire Amber: system disabled Green: supply healthy System condition... the wording “Only for use by trained personnel” shall be mounted on or adjacent to manual hose reels COMMENTARY AND RECOMMENDATIONS ON 34.8 The use of manual hose reels for the application of fire- smothering gas may present a hazard to personnel This method of fire control should be used only by trained personnel who have been adequately instructed and trained in the use of the equipment and in the safety... for fixed fire extinguishing installations should be available at all times, and not be used for other purposes including manual hose reel systems Where more than one zone is protected by one battery of containers by means of distribution valves, or in other situations where there may be a need to recharge the plant quickly, consideration should be given to the provision of additional reserve containers... COMMENTARY AND RECOMMENDATIONS ON 41.11 The system should be so arranged that all normal operations can be carried out with safety to the operator Where CO2 systems are to be installed in substations or switchrooms, reference should be made to BS 162 © BSI 01-1999 BS 5306-4:1986 Licensed copy:RMJM, 30/08/2005, Uncontrolled Copy, © BSI 41.12 Inspection, testing and commissioning The following inspection and. .. properly set and that components have not been damaged One way of achieving the minimum six-monthly full inspection may be by means of an inspection and service contract with the installer, his agent or an accredited servicing organization 9 Extensions or alterations Any extension or alteration to an existing system complying with this standard shall also comply with the requirements of this standard COMMENTARY... manual operation; b) manual operation only © BSI 01-1999 NOTE This may be dependent upon the requirements of the authority having jurisdiction 18.3 Where adjacent hazards cannot be isolated, they shall be protected by one system COMMENTARY AND RECOMMENDATIONS ON 18.3 Without prejudice to statutory provisions that may require the containment and/ or enclosure of flammable materials and operations involving... the enclosure to a point where combustion can no longer be sustained The rate of application and the time necessary to maintain the extinguishing concentration shall be determined according to the hazard, and as specified in clauses 13, 14 and 15 COMMENTARY AND RECOMMENDATIONS ON 11.1 The distribution of the carbon dioxide should be so arranged that it is evenly and thoroughly mixed with the existing... discharge of the gas Provision shall be made for the manual operation of the fire extinguishing system by means of a control situated outside the protected space or adjacent to the main exit from the space © BSI 01-1999 BS 5306-4:1986 While the connection between the fire detection system and the gas release is interrupted, the operation of the fire detector shall activate the fire alarm In order to guard . Association Fire Extinguishing Trades Association Fire Insurers’ Research and Testing Organisation (FIRTO) Fire Offices Committee Fire Protection Association Greater London Council Health and Safety. specified. Requirements and recommendations are given on the selection of a system and on operational methods, and on the design, maintenance and efficient operation of installations. These are amplified. BRITISH STANDARD BS 5306-4: 1986 Fire extinguishing installations and equipment on premises Part 4: Specification for carbon dioxide systems UDC 614.842.6:614.844.4 Licensed