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Safety, Health & Environmental Office March 2015
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What if?
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Triangle of combustion: a fire needs fuel + oxygen + heat to start & keep burning How fire spreads: Direct flame – direct contact Conduction – heat moves through solid matter Radiation – heat given off, no direct contact Convection – heat moves through air!!!
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Heat moves through air by convection Build-up of smoke & heat Superheated thermal layer spreads Building bursts into flame. A fire fighter’s greatest fear!! The Station Fire, Feb 2003: https://www.youtube.com/watch?v=OOzfq9Egxeo https://www.youtube.com/watch?v=OOzfq9Egxeo
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A. SOLIDS: ordinary solid flammable material e.g. wood, paper, coal, fabrics, plastic Extinguish with WATER or dry powder or foam
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B. LIQUID/GAS : flammable liquids & gases e.g. petrol, paraffin, alcohol, oil, benzene Extinguish with DRY POWDER or fire blanket / CO 2 / foam
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C. ELECTRICAL: involves live electricity e.g. overheated portable electrical equipment, overloaded electrical cables, short circuits Extinguish with CO2 or dry powder
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D. METAL : involves combustible metals e.g. magnesium, titanium (used in lightweight equipment), lithium (batteries) Extinguish with DRY POWDER
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Cause: paper lampshade & light bulb wattage too high over-heating lampshade caught fire. Cause: Faulty switch bread in toaster burned and caught fire. Cause: Incorrect battery fitted to laptop.
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Need to remove one or more: fuel / oxygen / heat Only attempt to extinguish a fire IF: It is small and not spreading You know how to use the fire extinguisher You have your back to a known SAFE EXIT Extinguishers at RU mainly: Dry powder (all types of fire - A/B/C/D) Water (only A)
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Think P.A.S.S. P – Pull the pin A – Aim the nozzle at base of fire S – Squeeze the trigger S – Sweep the nozzle from side to side Safety pin prevents us squeezing the trigger accidentally.
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The Role of Senior Management in Health and Safety Compliance
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Check: Fire alarms Emergency exits & exit routes Fire fighting equipment Safe use of electrical appliances e.g. kettles, ironing, heaters, etc. Report: Problems with any of the above Any (potential) fire hazards NB: It is against the law to use safety equipment – such as fire extinguishers – for anything other than its intended purpose. If found guilty, you could be fined up to R50,000.
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Electrical equipment Electrical cords, heaters, Smoking tumble driers, irons, etc
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RU warden’s greatest fear!! www.ru.ac.za/safety/fire/firedrills
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Raise the alarm – scream, whistle, push alarm button… CPU EMERGENCY 046 603 8999 (save on cellphone) call no matter how small the fire Only try to extinguish if safe Evacuate – crawl to avoid smoke/heat suffocation Close windows & doors, help people with disabilities Meet at Assembly Point, for roll call Don’t take risks – don’t use lifts, do NOT go back inside.
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YOU need to know YOUR exit routes! Work it out - from your room: How many doors do you pass to your nearest exit… going LEFT? going RIGHT? Where is the nearest FIRE EXTINGUISHER? Same as when you travel on a plane, or stay in a hotel, or visit some unknown place.
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Obey house rules for visitors (security risk) Do not let in strangers Make sure you are not ‘tailed’ into res Report suspicious/unauthorized persons to wardens or CPU immediately Know your res mates
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Lock away valuables, lock doors, close windows when you go out Report to warden if doors, windows etc damaged/broken – to be repaired Don’t walk alone at night Don’t ‘display’ your goods Get Home Safe
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CPU Blue Security Route Prince Alfred Street St Peters Campus signposted well lit extra guards on patrol Avoid deserted areas or dark roads
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www.ru.ac.za/campusprotection www.ru.ac.za/campusprotection Report all incidents on campus to CPU 046 603 8176 or 8177 or 8999 Report incidents off campus to SAPS 10111 or 046 603 9111
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at www.ru.ac.za/safety
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www.ru.ac.za/safety www.ru.ac.za/safety Safety Health & Environmental Officer 046 603 7205 or safety@ru.ac.za Thank you!
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