Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
10 Cards in this Set
- Front
- Back
The route of water |
Reservoirs- treatment plants- pumping stations- trunk mains- service mains |
|
Who is responsible for ensure London has enough water to fight fires |
The London fire and emergency planning authorities |
|
Who maintains the hydrants |
Local authorities |
|
British standards of a hydrant |
Open anti clockwise 65mm thread outlet Water flow of 2000 Lpm at a min of 1.7 bar |
|
What equipment makes up the hydrant kit |
Double headed stand pipe Hydrant bar Hydrant key |
|
When are hydrants tested |
Visually every year Every 4 years in April to sep over run to october |
|
Types of leak detection devices |
Magnetic Screw on |
|
Magnetic leak detection device |
Does not need hydrant value open so can be removed therefore can be safely moved to use the hydrant |
|
Screw on |
Hydrant value left open. Can be used but value must be closed before. Should not be refitted and left in bottom of pit. Water officer informed |
|
Give 4 example of what would be done during an hydrants test |
Check the hydrant plate is in the correct place and is visible Check the pit is clear Fit standpipe to thread to make sure it is okay Flush hydrant |