Water managemnt

835 views

Published on

Published in: Education
  • Be the first to comment

Water managemnt

  1. 1. Water management By: Group iii
  2. 2. why water management?♣Although more than 70% of the earth surface is covered in water less than 0.5%fills the earth’s rivers and lakes and is available for domestic uses.♣Research says that by 2025 the world population would be 8.3 billion and 2.8billion would be with out water.♣ Asia particularly India would be worst affected percentage of people would bewith out water as high as more than 40%♣ due to the excessive withdrawing of ground water and nature unable to keepupthe demand, water table have dropped. 2
  3. 3. What is water shortage?Water shortage happens when an area does not have enough water tomeet the needs of the people who live there.A shortage is caused by too much demand, or not enough supply. 3
  4. 4. Water distribution system 4
  5. 5. Water layout distribution systems 5
  6. 6. Water distribution within building Water Cold Water Hot WaterGravity or storage system Pneumatic or non storage system On demand supply 6
  7. 7. Water conservation and management♣Water metering♣Water re use♣Water efficiency♣Storm water management♣Quality & quantity control 7
  8. 8. Water meteringThere are two types of water chargeRUBS (Ratio Utility Billing System): Under thissystem, residents or consumers won’t understandthe true cost or unit of water consumed by theirfamily members.Sub –Metering:. This system enables residents orowners to pay for the water they use rather thanpaying a fixed amount.. 8
  9. 9. Water re use ♣Grey water system ♣Black water system Pipes and supply points on the re used water system must be clearly labelled in order to avoid confusion with the mains drinking water. Grey water systems can help you save 35% to 40% on your annual water bill. 9
  10. 10. Rainwater Harvesting System:Rainwater harvesting system can be:♣rooftop rainwater harvesting♣artificial groundwater recharging.. 10
  11. 11. Quality control 11
  12. 12. QUANTITY CONTROLWash laundry and dishes only when thereis a full loadAlways turn off running waterTake shorter showersEliminate any and all leaksReduce the flow of toilets andshowerheads 12
  13. 13. A-Z WATER SAVING TIPSA dripping tap could waste as much as 90 liters a week.Brushing your teeth with the tap running wastes almost 9 liters a minute. Rinseout from a tumbler instead.Cool water kept in the fridge means you wont have to run the tap for ages to geta cold drink.Dont use your washing machine until youve got a full load. A full load uses lesswater than 2 half loads.Every time you boil an egg save the cooled water for your houseplants. Theyllbenefit from the nutrients released from the shell.Fit a water saving device in your cistern and save up to three liters a flush. 13
  14. 14. Grow your grass a little longer. It will stay greener than a close mown lawn andneed less watering.Hoeing stimulates the growth of plants, reduces water loss from the soil surfaceand removes weeds that take up valuable water and nutrients.Installing a water meter can save you water and money by monitoring how muchyou use.Just taking a five minute shower very day, instead of a bath, will use a third of thewater, saving up to 400 liters a week.Kettles should be filled with enough water for your needs but not to the brim. Thiswill reduce your fuel bills too.Lag your pipes to avoid bursts and leave your heating on a low setting while youare out in cold weather to prevent pipes freezing. 14
  15. 15. Mulch for moisture in the garden. Adding a layer of tree bark, compost, coconuthusks or even newspaper keeps the sun off the soil and retains preciousmoisture.No further watering is usually required for established trees and shrubs.Once a week is all the watering your lawn needs even in the hottest weather.Purchasing a water butt will help you to collect rain water for use on the garden.Question your local garden centre about the water requirements of differentplants. Some thrive in drier conditions.Replacing a toilet cistern can save water. 15
  16. 16. Sprinklers can be wasteful. A sprinkler can use as much water in an hour as afamily of four will use in a day!Trigger nozzles can save water by using it only when needed.Use the dirty water when cleaning a fish tank on your houseplants. Its rich innitrogen and phosphorus, which provides an excellent fertilizer.Very water efficient washing machines and dishwashers are now manufactured.Water your garden at the coolest part of the day to reduce evaporation.Xeriscape means to use plants that require less water. 16
  17. 17. You can use less water by turning the hot tap down, rather than the cold tap up, ifyou require cooler water.Z The end of the alphabet but not the end of water saving ideas - why don’t youtell us of any youve discovered? 17
  18. 18. Water efficiency in green buildingsLEED credits on water efficiency rain water harvesting we mr 1 Water efficient plumbing fixtures we mr 1 Landscape design we cr 1 Management of irrigation system we cr 1 18
  19. 19. Landscape design Management of irrigation system 19
  20. 20. Rain water harvesting water efficient plumbing fixturesTotal 11 points 20
  21. 21. We cant waste the water more than we have but We waste more than we use 21
  22. 22. Run home nowto save water, before it runs out on you! 22
  23. 23. 23

×