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8 Cards in this Set
- Front
- Back
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Describe the basic water supply to hydrants. |
Hydrants are fixed to a Water main. The water originates from reservoirs travels through treatment plants. Originally gravity creates water pressure until it is regulated at pumping stations. |
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Under the the FRSA 2004 what responsibilities to the LFC have in relation to water supply. |
To ensure adequate water supply is available. |
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What are the British standards hydrants have to adhere to? |
65mm round thread to attach to LFB Standpipe. 2000 litres per min at 1.7 bar. Open anti clockwise. |
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Name parts of a rew down hydrant. |
False spindle. Spindle. Stem. Washer. Drain boss/frost valve. Flanged outlet. |
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Different types of hydrant plate name 3. |
Single Double Directional |
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Double hydrants features. List 3 |
Two outlets. Fitted to large water mains. Larger hydrant pit cover. |
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Name parts of the hydrant gear. |
Double headed standpipe. Hydrant key. Hydrant bar. |
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When are hydrants tested? |
Visually manually. Full test ever 4 years. Between April and September. Over spill into October. |
