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Fire Engines Photos

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Bordon Volvo
Fire Engine Photos
No: 39219   Contributor:   Year: 2015   Country: United Kingdom
Bordon Volvo

Bordon 999 show 2015
Picture added on 22 September 2015 at 15:48
add commentComments:
How do you use a quad collecting head if you are only carrying one dual outlet standpipe around with you?

Added by Rob Johnson on 17 June 2018.
Rob, It will be most likely that there will be a second double outlet standpipe in a side locker with the one seen in the photo being a "quick" grab standpipe for a more rapid hydrant connection. Two double head standpipes would equate to four inlets.
In addition you may wish to consider a water relay scenario where this appliance may be pumping water in volume over distance and as such all four inlets in to the "collecting head", to use the official term, would be used.
Finally, given a collecting head with four inlets would suggest that this pump has a capacity of 1000gpm and as such the "eye of the pump", or connection the collection head is fitted to is of a six inch diameter, and will therefore take six inch hard suction for open water (drafting) operations.

Added by Andy Fish on 19 June 2018.
Andy:

Thanks, I did not know it was common for pumps to carry an extra standpipe around with them - they do take up a lot of space. This appliance looks like it already has a pretty full complement of equipment in the lockers we can see in the photo.

Perhaps an argument for pillar hydrants, which are universal here in the Americas and pretty common in some European countries too?

High capacity pumps like this are relatively uncommon in UK county brigades these days, it seems, and even London has reverted to having only two inlets on their 750 gpm rated pumps.

I have also noticed that some urban fire brigades no longer bother to carry hard suction hoses at all. If this appliance is in fact carrying any hard suctions I can't figure out where they are - very well hidden!

Added by Rob Johnson on 20 June 2018.
2x 2line feeds from LPPs?

Added by Neal Glover on 21 June 2018.
Rob, hard suction will be carried behind the metal panel above the pump bay, a common feature of the Emergency One (UK) build.

Added by Andy on 22 June 2018.
Rob, with regard to actual firefighting equipment carried most UK pumps are pretty much identical, this being in the main due to the requirements of the JCDD (Joint Council of Design and Development) specifications which govern the design, build and testing etc of almost every piece of equipment used in the UK fire and rescue service ranging from hose to actual appliances.
Of course advancements over recent decades have seen ever increasing types of equipment carried on pumping appliances to the point that many services now title them as "Pump Rescue Ladders" or "Rescue Pumps" etc.
This provision of a national standard has allowed for standard size hose couplings, hydrant outlets, pump outlets etc. This is, as I am sure you know, not the case in the USA where numerous different thread types, outlet diameters and even hydrant types can be found, and which can create significant problems for depts. responding into another area to provide "mutual aid". Many depts. in fact have to carry hose adaptors to allow their own equipment to be used alongside neighbouring depts.
Pillar hydrants can be found in some places of the UK, in fact there is one in my local area. However they have one major disadvantage over below ground hydrants, they can freeze during the winter months.
A quick rule of thumb to establish a UK appliances pump capacity is to count the number of deliveries it has. Two deliveries will identify a 500gpm pump, three a 750 pump and four a 1000gmp pump

Added by Andy Fish on 22 June 2018.
Rob, I had to go and check some facts but as I suspected the new London Fire Brigade Mercedes Benz Atego/Emergency One pumps still retain a 1000gpm pump. The one change that has been made is that the pumps are Magirus built and not Godiva as previously.

Added by Andy Fish on 22 June 2018.
Thanks Andy:

Very helpful!

It is quite true that fire departments here do use a variety of up to eleven hose sizes and equip their appliances very differently to respond to special needs in their response areas. But some basic requirements are actually standardized by the NFPA on a national level and others are mandated at the State level by various State regulations.

Similar situations exist in Japan, Germany, France and Spain as well as in Belgium, the Netherlands and most Scandinavian and Central European countries, as far as I have been able to research the subject.

Total standardization in every detail of specifications and equipment seems to be confined only to national fire services, such as the VdF in Italy and the National Fire Protectorate in Israel. Although Poland also has a national fire service, there are some quite wide variations in appliance specification from one place to another.

On the subject of hydrant designs, I live in Chicago, which is only one of a huge number of North American cities which has long months of sub zero temperatures, and - like the others - our hydrants are all above ground.

They rarely freeze, unless the drainage system gets blocked up! The valve mechanism is underground, even though the barrel is exposed, and remains dry until the valve is opened. To give you an idea of how uncommon this is, FDNY operate 198 engine companies but have only five Thawing Units to deal with frozen hydrants. Chicago, even colder, has 98 engines but only one Thawing Unit...

Added by Rob Johnson on 22 June 2018.
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