[...]... installation main control valve set(s) a subdivision of an installation fitted with a subsidiary stop valve or multiple control 2.93 user Licensed copy:RMJM, 30/08/2005, Uncontrolled Copy, © BSI the person responsible for or having effective control over the fire safety provision adopted in or appropriate to the premises or the building 8 © BSI 05-1999 BS 5306-2:1990 Section 2 Planning 3 Initial considerations... pipework 9 BS 5306-2:1990 3.3 Interaction with other fire protection measures 4.2 Exceptions (buildings and parts of buildings not sprinkler-protected) Account shall be taken of possible interaction between sprinkler systems and other fire protection measures COMMENTARY AND RECOMMENDATIONS ON 3.3 Examples of possible adverse interaction between sprinkler protection and other fire protection measures... (Northern Ireland) 1878–1955 or under Private Acts and under Water Byelaws which may differ slightly between undertakings Although there is a duty to supply water for domestic purposes (subject to conditions), water supplies for sprinkler installations are given only upon request and on terms and conditions which are subject to agreement The usual conditions in Great Britain and Northern Ireland include... fire resistance, escape routes, fire alarm systems, particular hazards needing other fire protection methods, provision of hose reels and fire hydrants and portable fire extinguishers, etc., safe working and goods handling methods, management supervision and good housekeeping all need consideration Advice on these matters may be obtained from the fire authority, the Health and Safety Executive or other... pipework BS 6351-3 gives recommendations for trace heating BS 5422 and BS 5970 give recommendations for lagging 6.3.2 Size of installations, sections and zones The number of sprinklers in an installation, section or zone (including tail-end extensions (see 6.6) but not including sprinklers in concealed spaces or in machines etc.) shall not exceed the following a) Light hazard: 500 per installation b)... damage; and b) Type 2, which shall be installed only to facilitate an early discharge of water from a dry pipe or alternate installation by opening the installation main control valve, thus filling the installation pipework with water, upon operation of a fire detection system © BSI 05-1999 Licensed copy:RMJM, 30/08/2005, Uncontrolled Copy, © BSI BS 5306-2:1990 COMMENTARY AND RECOMMENDATIONS ON 6.7.1... equipment COMMENTARY AND RECOMMENDATIONS ON 7.3 Electrical equipment below sprinkler installations should have normal earthing and overload protection Where the electrical installation is covered by the Regulations for Electrical Installations (Wiring Regulations 15th edition4) the sprinkler system metalwork should be efficiently connected to the main earthing terminal of the electrical installation,... operation of the installation is possible unless measures are taken to ensure the safety of the erection personnel concerned © BSI 05-1999 23 BS 5306-2:1990 Section 3 Contract arrangements 8 Contract drawings/information documents 8.1 General The information specified in 8.2 and 8.3 shall be provided to the user, together with details of the authorities consulted (see 3.1) and any response to the consultation... RECOMMENDATIONS ON 6.7.1 Type 1 installations are appropriate to hazards where the cost or inconvenience of water damage may be exceptionally high Because the sprinkler installation control valve opens only as a result of operation of the fire detection system much reservation should be exercized when considering the use of Type 1 installations Where a pre-action installation is to be used for high hazard... position In type 2 installations, sprinklers shall be installed in the upright position © BSI 05-1999 6.7.4 Size of pre-action installations The number of sprinklers shall not exceed the following a) In a light-hazard installation: b) In an ordinary-hazard installation: c) In a high-hazard installation: 500 per installation 1 000 per installation 1 000 per installation 6.8 Recycling installations 6.8.1 . BRITISH STANDARD BS5 306-2: 1990 Incorporating Amendment No.1 and implementing Corrigendum No.1 Fire extinguishing installations and equipment on premises Part2: Specification for sprinkler. Association British Fire Protection Systems Association Ltd. British Fire Services’ Association British Nuclear Fuels Ltd. Chief and Assistant Chief Fire Officers’ Association Convention of Scottish. Wales Engineering Equipment and Materials Users’ Association Fire Brigades Union Fire Extinguishing Trades’ Association Health and Safety Executive Hevac Association Home Office Incorporated Association of