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25 Cards in this Set
- Front
- Back
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What ladders do the LFB carry |
9m 135 Short extension Roof |
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What can ladders be used for |
Inside buildings when stairs have collapsed Gain access to upper or lower floors Bridge gaps Gain access |
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What are Pawls |
Manual or automatic mechanisms which enable an extended section of a ladder to be rested on the round of a lower extension |
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How many sections does a short extension ladder (SEL) have |
3 |
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Weight of SEL |
21 kgs |
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Working height of SEL |
6m |
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How many people are needed to lift SEL |
1 person lift |
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Which appliances carry SEL |
Pump Pump ladder DPL |
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What appliances carry 9m ladder |
Pump DPL |
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Weight of 9m ladder |
40.6kg |
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How many people are required to lift 9m ladder |
3 person lift |
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What 2 areas of a 9m ladder have additional reinforcement |
Top 6 rounds of main ladder Bottom 6 rounds of upper extension |
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What appliances carry 135 |
Pump ladder DPL |
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Weight of 135 |
100kg |
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How many people are required to lift 135 |
4 person lift |
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What does an automatic arrest device (ADD) do |
Prevents ladders housing in the event of a failure |
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Areas of reinforcement on a 135 main ladder |
1st 2nd and 4th 5th 6th rounds from the top |
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Areas of reinforcement on middle extension of 135 |
3rd 4th 5th 6th from the bottom and the top |
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Areas of additional reinforcement on the top extension of 135 |
3rd 4th 5th 6th rounds from the bottom |
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Length of a roof ladder |
4.6m |
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Weight of roof ladder |
14kg |
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Number of rounds on a roof ladder |
13 |
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How many people required to carry s roof ladder |
1 person lift |
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What appliances carry a roof ladder |
Pump Pump ladder DPL |
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When should ladders be tested |
On acceptance After operational use Annually at workshops |
