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capacity

Seating capacity is the number of people who can be seated in a specific space, in terms of both the physical space available, and limitations set by law. Seating capacity can be used in the description of anything ranging from an automobile that seats two to a stadium that seats hundreds of thousands of people. The largest sporting venue in the world, the Indianapolis Motor Speedway, has a permanent seating capacity for more than 235,000 people and infield seating that raises capacity to an approximate 400,000.

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  1. E

    How to calculate heating system capacity for expansion tank

    Hello want to know on how do you calculate size of expansion tank for closed heating systems . for example 500 meters of 16mm underfloor heating and 4 double ~1000mm radiators , hot water cylinder coil , and oil boiler
  2. M

    Hi, gutter and downpipe efficiency question.

    On bigger shed roof areas would putting 2 spitters close together into a 90 deg bend and T Junction and then downpipe significantly increase the capacity of that length of gutter and downpipe? On open sheds we run the downpipe down the shed column, and there can be very large sq/m of roof to...
  3. R

    Hot Water Tank Expansion Vessel Question

    Am I correct in saying that the capacity of an expansion vessel as written on the appliance data label is the capacity of the water compartment alone and excludes the air compartment capacity? Thanks
  4. sammathias

    Pipework heat capacity?

    I have a customer who wants to upgrade the size of his living room rad from a 600*1000p+ to a 600x1400k2. the existing rad is on 10mm pipe probably about 12metres in total, doesnt take alot of working out that the new rad wont work very well off 10mm pipe but try telling customer that, he...
  5. N

    Mains Water pipe capacity

    Hello, I have found It impossible to find even a rough answer to the following question, I'm hoping someone on hear can give me a educated answer. Our property was built in 2007, the mains water pipe comes from a main on the edge of a village 550 metres away. The pipe travels level for 400...
  6. plumb_know

    joist weight capacity?

    Hi Everyone, Just wondered if anyone can recommend good site/book for working out load bearing of joists (also good book for general construction/building). i am quoting a job and 300litre cylinder would be preferred but worried about weight as on 1st floor in airing cupboard. luckily they...
  7. P

    Worcester Greenstar Heatslave 12-18 Rad Capacity

    Hello I have a Worcester Greenstar Heatslave Internal 12-18 installed and it's currently running 7 rads (6 are around 60-90 x 60cm, plus one tiny rad in toilet). I'm looking to add 6 more (five 60-90cm plus another tiny rad). I've done the BTU calculations - current rads around 23k BTU, looking...
  8. U

    New pop-up drain control limiting overflow capacity?

    We've just had some new bath taps fitted and, as a nice little surprise for me, Mrs Underwater had the plumber install (in my absence) a pop-up drain plug, operated by a shiny rotating control mounted in the overflow hole. Although it looks nice and neat, I'm concerned that there is very little...
  9. M

    Small capacity gravity-fed instantaneous water heater...

    Recommendations please? TIA!
  10. J

    Declining Megaflow capacity

    Hello all, Customer has an old Megaflow, the type with a white top, and is complaining that she is getting less hot water than she used to, gradually. The property has 2 of these, the other one is located elsewhere, and is working fine. The problem cylinder is located at the far end of...
  11. F

    U16 meter capacity

    Hi everyone, I'm not a very active poster on this forum but it has helped me alot over the year, some advice is needed once again. Just to mention I'm not regularly working in the industry atm, just here and there for friends and family. A good friend of mine has brought a shop and covering it...
  12. F

    Which tank for Worcester 30Cdi System Boiler?

    I am looking to replace my Telford Indirect Unvented tank, which one do you recommend, I was looking at the Megaflo because of no expansion vessel?
  13. F

    What capacity water heater do we need?

    Hi guys! We have installed two small sinks in our shop - one for handwash and one for salad wash. I need to provide hot water to them (they use a shared mixer tap which is central over both sinks). I would like an under sink instantaneous hot water heater installing, but not sure on what Kw or...
  14. J

    Oil boiler capacity and underfloor heating advice

    Would appreciate any advice please. I am trying to add some underfloor heating in the kitchen using the existing oil fired boiler and hot water system. Have installed 10mm pipe loops around the floor (not yet covered over with the screed), but boiler is not coping with this. If I turn off all 2...
  15. B

    Query concerning water flow rates in PVC pipes of differing diameters

    Hi all. We have a private estate of six house lots (only 4 houses built at present). There is a council water supply pipe of 20mm with council meter. Previously that then connected to a single 50mm pvc pipe that ran 50metres to four individual holding tanks. Individual owners then pump water...
  16. B

    single room UFH kit for extension, existing boiler capacity Question

    Hi all, new to this site so thanks in advance if anyone can help us. We are looking to build a 2.8 x 4m extension onto our house, we will remove a wall and enlarge kitchen dining room but we will have limited wall space hence the first thought of an under floor solution.. For the new extension...
  17. H

    Looking for some additional (top draw) capacity

    Esteemed members, We've too much on at the moment and am looking for someone to spec(most of the hard work done already)/install a new six bed/en-suite house with indoor pool. UFH. ASHP. 2x310 unvented cylinders. Solar thermal. Please contact me via pm. Thanks.
  18. N

    Which wet/dry vac and powerflusher?

    Hi all, Looking for a couple of recommendations please. For the wet and dry vac I'm looking to pay around £120. Is capacity important? Can you get them bagless? Any of them particularly suited to our job? With the powerflusher I have a budget of around £800. Is this enough to get anything...
  19. J

    Worcester 26/32 lifting capacity

    I need to re-site my existing fuel tank which is currently gravity fed, my new site will mean that the bottom of my oil tank will be approximately one metre below my boiler pump. Will my boiler be able to cope with lifting the oil this height and if so how do i get the oil to reach the pump...
  20. M

    Replacing Boiler

    Currently have a Keston C55 (49kw) which now needs to be replaced. Received quotes from plumbers: one is proposing to fit a Worcester 40 cdi system and the others are proposing to fit either; two Intergas HRE 30 or two Alpha CD28 gas fired boilers. The concern I have is the Worcester capacity...
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