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Cold water distribution

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This document discusses cold water distribution systems, including the gravity and pump systems used to distribute water from main sources. It also describes four common pipe layout systems: grid iron, dead end, ring, and radial. The grid iron system uses a rectangular layout of mains and branches, keeping water in good circulation. The dead end system is suitable for older towns and is cheaper but causes more water stagnation. The ring system supplies water from at least two directions around the peripheral roads. The radial system divides the area into zones and pumps water into distribution reservoirs in the center to supply pipes radially outward.

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TOPIC 2 COLD WATER SYSTEM: DISTRIBUTION METHOD & PIPE LAYOUT By : Nor Ashikin Mazlan Politeknik Kota Bharu Buiilding Services 1
COLD WATER SUPPLY SYSTEM DISTRIBUTION METHOD FROMCOLD WATER SUPPLY SYSTEM DISTRIBUTION METHOD FROM MAIN SOURCESMAIN SOURCES 1.1. Gravity SystemGravity System 2.2. Pump SystemPump System PIPE LAYOUT OFPIPE LAYOUT OF COLD WATER SUPPLY SYSTEM DISTRIBUTIONCOLD WATER SUPPLY SYSTEM DISTRIBUTION METHODMETHOD 1.Grid Iron System 2.Dead End System 3.Ring System 4.Radial System: TOPIC 2 COLD WATER SYSTEM: DISTRIBUTION METHOD & PIPE LAYOUT
TOPIC 2 COLD WATER SYSTEM: DISTRIBUTION METHOD & PIPE LAYOUT
PUMP SYSTEM TOPIC 2 COLD WATER SYSTEM: DISTRIBUTION METHOD & PIPE LAYOUT
GRAVITY SYSTEM TOPIC 2 COLD WATER SYSTEM: DISTRIBUTION METHOD & PIPE LAYOUT
TOPIC 2 COLD WATER SYSTEM: DISTRIBUTION METHOD & PIPE LAYOUT
PIPE LAYOUTPIPE LAYOUT 1. Grid Iron System 2. Dead End System 3. Ring System 4. Radial System: TOPIC 2 COLD WATER SYSTEM: DISTRIBUTION METHOD & PIPE LAYOUT
PIPE LAYOUTPIPE LAYOUT 1-Grid Iron System: It is suitable for cities with rectangular layout, where the water mains and branches are laid in rectangles. Advantages: 1. Water is kept in good circulation due to the absence of dead ends. 2. In the cases of a breakdown in some section, water is available from some other direction. Disadvantages 1. Exact calculation of sizes of pipes is not possible due to provision of valves on all branches. TOPIC 2 COLD WATER SYSTEM: DISTRIBUTION METHOD & PIPE LAYOUT
SUSUN ATUR PAIP AGIHANSUSUN ATUR PAIP AGIHAN 2-Dead End System: It is suitable for old towns and cities having no definite pattern of roads. Advantages: 1. Relatively cheap. 2. Determination of discharges and pressure easier due to less number of valves. Disadvantages 1. Due to many dead ends, stagnation of water occurs in pipes TOPIC 2 COLD WATER SYSTEM: DISTRIBUTION METHOD & PIPE LAYOUT
SUSUN ATUR PAIP AGIHANSUSUN ATUR PAIP AGIHAN 3-Ring System: The supply main is laid all along the peripheral roads and sub mains branch out from the mains. Thus, this system also follows the grid iron system with the flow pattern similar in character to that of dead end system. So, determination of the size of pipes is easy. Advantages: 1. Water can be supplied to any point from at least two directions. TOPIC 2 COLD WATER SYSTEM: DISTRIBUTION METHOD & PIPE LAYOUT
SUSUN ATUR PAIP AGIHANSUSUN ATUR PAIP AGIHAN 4-Radial System: The area is divided into different zones. The water is pumped into the distribution reservoir kept in the middle of each zone and the supply pipes are laid radially ending towards the periphery Advantages: 1. It gives quick service. 2. Calculation of pipe sizes is easy. TOPIC 2 COLD WATER SYSTEM: DISTRIBUTION METHOD & PIPE LAYOUT

More Related Content

Cold water distribution

  • 1. TOPIC 2 COLD WATER SYSTEM: DISTRIBUTION METHOD & PIPE LAYOUT By : Nor Ashikin Mazlan Politeknik Kota Bharu Buiilding Services 1
  • 2. COLD WATER SUPPLY SYSTEM DISTRIBUTION METHOD FROMCOLD WATER SUPPLY SYSTEM DISTRIBUTION METHOD FROM MAIN SOURCESMAIN SOURCES 1.1. Gravity SystemGravity System 2.2. Pump SystemPump System PIPE LAYOUT OFPIPE LAYOUT OF COLD WATER SUPPLY SYSTEM DISTRIBUTIONCOLD WATER SUPPLY SYSTEM DISTRIBUTION METHODMETHOD 1.Grid Iron System 2.Dead End System 3.Ring System 4.Radial System: TOPIC 2 COLD WATER SYSTEM: DISTRIBUTION METHOD & PIPE LAYOUT
  • 3. TOPIC 2 COLD WATER SYSTEM: DISTRIBUTION METHOD & PIPE LAYOUT
  • 4. PUMP SYSTEM TOPIC 2 COLD WATER SYSTEM: DISTRIBUTION METHOD & PIPE LAYOUT
  • 5. GRAVITY SYSTEM TOPIC 2 COLD WATER SYSTEM: DISTRIBUTION METHOD & PIPE LAYOUT
  • 6. TOPIC 2 COLD WATER SYSTEM: DISTRIBUTION METHOD & PIPE LAYOUT
  • 7. PIPE LAYOUTPIPE LAYOUT 1. Grid Iron System 2. Dead End System 3. Ring System 4. Radial System: TOPIC 2 COLD WATER SYSTEM: DISTRIBUTION METHOD & PIPE LAYOUT
  • 8. PIPE LAYOUTPIPE LAYOUT 1-Grid Iron System: It is suitable for cities with rectangular layout, where the water mains and branches are laid in rectangles. Advantages: 1. Water is kept in good circulation due to the absence of dead ends. 2. In the cases of a breakdown in some section, water is available from some other direction. Disadvantages 1. Exact calculation of sizes of pipes is not possible due to provision of valves on all branches. TOPIC 2 COLD WATER SYSTEM: DISTRIBUTION METHOD & PIPE LAYOUT
  • 9. SUSUN ATUR PAIP AGIHANSUSUN ATUR PAIP AGIHAN 2-Dead End System: It is suitable for old towns and cities having no definite pattern of roads. Advantages: 1. Relatively cheap. 2. Determination of discharges and pressure easier due to less number of valves. Disadvantages 1. Due to many dead ends, stagnation of water occurs in pipes TOPIC 2 COLD WATER SYSTEM: DISTRIBUTION METHOD & PIPE LAYOUT
  • 10. SUSUN ATUR PAIP AGIHANSUSUN ATUR PAIP AGIHAN 3-Ring System: The supply main is laid all along the peripheral roads and sub mains branch out from the mains. Thus, this system also follows the grid iron system with the flow pattern similar in character to that of dead end system. So, determination of the size of pipes is easy. Advantages: 1. Water can be supplied to any point from at least two directions. TOPIC 2 COLD WATER SYSTEM: DISTRIBUTION METHOD & PIPE LAYOUT
  • 11. SUSUN ATUR PAIP AGIHANSUSUN ATUR PAIP AGIHAN 4-Radial System: The area is divided into different zones. The water is pumped into the distribution reservoir kept in the middle of each zone and the supply pipes are laid radially ending towards the periphery Advantages: 1. It gives quick service. 2. Calculation of pipe sizes is easy. TOPIC 2 COLD WATER SYSTEM: DISTRIBUTION METHOD & PIPE LAYOUT