supply

Water supply is the provision of water by public utilities, commercial organisations, community endeavors or by individuals, usually via a system of pumps and pipes. Public water supply systems are crucial to properly functioning societies. These systems are what supply drinking water to populations around the globe. Aspects of service quality include continuity of supply, water quality and water pressure. The institutional responsibility for water supply is arranged differently in different countries and regions (urban versus rural). It usually includes issues surrounding policy and regulation, service provision and standardization.
The cost of supplying water consists, to a very large extent, of fixed costs (capital costs and personnel costs) and only to a small extent of variable costs that depend on the amount of water consumed (mainly energy and chemicals). Almost all service providers in the world charge tariffs to recover part of their costs.

Water supply is a separate topic from irrigation, the practice and systems of water supply on a larger scale, for a wider variety of purposes, primarily agriculture.

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  1. F

    Question about a shared water supply pipe

    My semi-detached house is on a shared water supply with the neighbour and to fix the leaking stopcock on my side I dug part of it up and at the same time figured out the route it takes to next door. It's a lead pipe and a metre deep as you'd expect. It runs about 8m from the road and T's off...
  2. Scott_D

    Built over gas supply

    I haven't come across thus before so may be a daft question Quoted for a new boiler today, they have just moved in and the back boiler was condemned. The gas meter is next to the front door and a porch has be built around it. I couldn't tell what the incoming supply was made of. Do I need to...
  3. D

    Water Supply problems

    I have recently had an en-suite installed in the loft/second floor of a Victorian terrace by a bathroom fitter who has gone awol. Now the en-suite is seemed to be working fine at first, but we’ve now come to realise that when the main bathroom taps (1st floor) are switched on the water flow to...
  4. M

    Identifying cold water supply pipes

    Hello ladies and gents - I have a very easy question that I need help with and had no idea where to ask so thought this would be as good a place as any. I need to find out which pipe is the cold water supply in the upstairs of my house. I can easily tell which one it is downstairs because I...
  5. B

    Boiler change needed for loft conversion - problem with gas supply for combi boiler

    We're hoping to have a loft conversion done soon, in what is currently a three bed mid-terraced house - we are adding a new bedroom in the loft with en-suite shower and toilet. Currently we have a traditional heating system with boiler in the kitchen, fed by gas pipes under the house, hot water...
  6. G

    New DIY "Plumber" needs advise for loft water tank supply nut and olive?!?

    Hey guys I've "repaired" my mums loft water tank from leaking but I'm unsure if I've done it correctly so thought I'd join this great forum and ask some advice from some people much smarter than me. Basically my Mum was worried that her overflow from the loft kept running water so I went...
  7. D

    How to determine the size needed of an electric unvented water heater to supply two ensuites

    I have a Glow worm betacom 30c combi boiler that is not connected to any water tank/cylinder in a 4 bedroom 1 bathroom house. I am adding two en-suite bathrooms which will include a shower, basin and toilet in each (saniflo systems in each). I need to identify how to determine what size unvented...
  8. S

    Water filter tap from Mains or from kitchen Tap supply?

    Is it better to go directly from the mains for a water filter tap or from the cold water running into kitchen tap. Is it cleaner from the mains line and ready to drink quicker? The water line runs from the main to the tank upstairs and back again for the rest of the house. Also splitting from...
  9. M

    Gas consumption for new supply

    Hi all. We are doing a large renovation with one 40 kw boiler which will run a 5 bed house and one 30kw boiler that runs a b&b annexe with 4 bedrooms and en suites. One range cooker and one fire also. My customer is trying to fill out the new application form for a new supply and they want...
  10. S

    Pipe work for cold supply to shed

    Hi all could do with bit of advice I'm quoting on a cold water supply. to shed from house the customer wants plastic pipe I'm quoting mdpe 20mm is this suitable if so what depth does it need to be laid and does it need insulating and finally where it comes up from ground outside house wall is it...
  11. W

    300 litre Cistern has 15mm pipe to supply power shower .

    Hi All I have job to do . Hotel has 4 cisterns x 300 L water each cistern supplying two rooms with electric power shower 8.5 kW power that need to have min. 8m/min water flow . Power shower no heating water. Flow rate is below 7-7.5 No chance for pumps because system is complete mess . So...
  12. G

    Pump help please. Header tank supply.

    [/URL][/IMG] This is what I want to do. Hopefully the picture is self explanatory. I would like a good pump with good pressure to supply my pressure washer and tap. The reason I need this is the mains supply is good enough for the pressure washer. A friend has this pump for sale Showermate...
  13. M

    Single flow kitchen sink mixer tap

    If fitting a kitchen sink tap(single flow) were the water mixes in the tap body. If mains cold and gravity fed hot water. Do I need to put single check valves on both the hot and cold supply's to the sink?
  14. F

    New Viessmann boiler quote - opinions?

    Just had a quote for a new boiler in my rented flat (I'm living overseas at the moment). The only reason the boiler needs replaced is that the flue is not in the correct place and I can't get a gas safe certificate. Current boiler (Worcester Junior 28i) is 12-15 years old so probably more cost...
  15. G

    worcester bosch supply chain

    Anyone know of a co.who can supply and deliver me with Worcester boilers at a good price and high volume (50 a month) indirectly? Don't want to deal with Worcester directly or any plumb centres? All suggestions welcome
  16. S

    Advice needed for thermal store to radiator supply

    Hello all, Newbie here. I'm looking for some advice on how to stop the current problem I have on a recently installed pellet/thermal store system. What is happening is, if the trianco boiler fails to fire up and trips/logs an error code, until noticed and then cleaned out. In the mean...
    • SkyeDIYplumbing
    • Thread
    • advice boiler central heating system installer needed radiator store supply thermal thermal store
    • Replies: 6
    • Forum: Plumbing Jobs | The Job-board
  17. B

    Turning off Hot Water

    My third thread of today... :) I need to turn off both my cold and hot water to change some taps. From what I've read in a book I have, I have a unvented system and therefore turning the cold water off will turn off the hot water. From the picture below, I believe turning the valve where the...
  18. K

    Supply to unvented cylinder

    Hi all, I currently have a 15mm mains supply to a unvented cylinder in the loft as the pipe goes under a tiled floor en suite and it was not upgraded during the installation. I am now in a position to upgrade to 22mm but do I have to use a G3 qualified plumber for renewing the 15mm to 22mm...
  19. K

    Hot water still running when boiler water supply is isolated.

    Hello everyone, It's my first post on here and I wondered if anyone has any pearls of wisdom concerning the following. Thanks in advance, Karl I'm trying to figure this one out, any help would be much appreciated. I was called to a house, their complaint was inconsistent temperature at all...
  20. T

    New combi boiler

    Hi, I have a Glow-worm 30CXI combi condensing boiler that has come to the end of it's life. It's heavily corroded, leaking and needs replacing. It's sooner than I had hoped (the boiler is 12 years old), but hey. I'd like to canvas opinion out as which boiler I should go for. I have a three...

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