Water supply and Drainage system

In an urban _____ network, transmission mains take water from water treatment plants to service reservoirs.

• Water distribution

• Drainage

• Fire protection

• Air distribution

Service reservoirs are located on _____ ground so that water flows by gravity

through distribution mains to the water consumers.

• high

• low

• above

• below

Water that is safe to drink or to use for food preparation.

• Potable water

• Non Potable water

• Reclaimed water

• Drainage water

Represented by green background with white lettering

• Potable water

• Non Potable water

• Reclaimed water

• Drainage water

Includes rainwater, reclaimed/recycled water and gray water. While it is not appropriate for human consumption, it can be used in a myriad of other applications, such as doing laundry, toilet and urinal flushing and cooling tower make up water.

• Potable water

• Non Potable water

• Reclaimed water

• Drainage water

Represented by yellow background with black lettering

• Potable water

• Non Potable water

• Reclaimed water

• Drainage water

Represented by purple background with black uppercase

• Potable water

• Non Potable water

• Reclaimed water

• Drainage water

Is the process of converting wastewater into water that can be reused for other purposes. This may include irrigation of gardens and agricultural fields or

replenishing surface water and groundwater (i.e., groundwater recharge).

• Potable water

• Non Potable water

• Reclaimed water

• Drainage water

The system or part thereof shall be filled with water chlorine solution containing at least _____ of chlorine, and system or part there of shall valve off and allowed to stand for _____; or the system or part thereof shall be filled with a water chlorine solution containing at least _____ of chlorine and allowed to stand for _____.

• 50 ppm, 24 hrs; 200 ppm, 3 hrs

• 40 ppm, 18 hrs; 200 ppm, 3 hrs

• 50 ppm, 24 hrs; 300 ppm, 5 hrs

• 20 ppm, 24 hrs; 200 ppm, 3 hrs

Direct supply system (upward distribution): Supply of water is directly given to various floors with required pressure for sufficient hours.

• Direct supply system (Upward distribution)

• Indirect supply system (Upward distribution)

• Direct supply system (Downward distribution)

• Indirect supply system (Downward distribution)