WI Socialization - Potable Water & Distribution System

Which areas of the system are potable water consumers?

• Workshop Building

• ORF

• Admin Building

• Water Treatment Plant

Because the source of the Potable Water Tank comes from SWRO Permeate tank, if we want to Startup this system the level of the SWRO Permeate Tank must be in a certain condition, that is?

• >LL (300 mm)

• >LL (400 mm)

• >L (300 mm)

• >L (400 mm)

Potable Water Delivery Pump has a function to?

• Send water from SWRO permeate tank to potable water tank

• send water from SWRO permeate tank to consumers

• Send potable water from potable water tank to consumers

• Send potable water from potable tank to SWRO permeate tank

What is the right steps for Startup Potable Water Delivery Pump?

1. Start the selected pump as a duty pump at PLC

2. Ensure both pumps are in Manual mode

3. Ensure SWRO Permeate Tank is in Normal Level

4. Ensure Potabel Delivery Pump discharge pressure normal

5. Switch both Potable Delivery Pumps to Auto

6. Ensure no abnormality observed

• 3 - 2 - 1 - 4 - 5 - 6

• 3 - 2 - 1 - 4 - 6 - 5

• 3 - 2 - 1 - 5 - 6 - 4

• 3 - 2 - 5 - 1 - 2 - 6

How much normal discharge pressure value for Potable Water Delivery Pump?

• >1.5 bar

• >1.6 bar

• >1.65 bar

• >1.7 bar

Potable Water Transfer Pump has a function to?

• Send water from SWRO permeate tank to potable water tank

• Send water from SWRO permeate tank to consumers

• Send potable water from potable water tank to consumers

• Send potable water from potable tank to SWRO permeate tank

What is the right steps to Changeover the Potable Transfer Pump?

1. Stop duty Potable Transfer Pump

2. Ensure the standby Potable Water Transfer Pump automatically starts when the duty pump has stopped

3. Ensure both Potable Transfer Pumps are in Auto

4. Ensure no Abnormality observed

• 1 - 2 - 4 - 3

• 1 - 2 - 3 - 4

• 3 - 1 - 2 - 4

• 2 - 1 - 4 - 3

How much normal discharge pressure value for Potable Water Transfer Pump?

• >4.5 bar

• >5 bar

• >5.5 bar

• >6 bar

If we want to shutdown Potable Water Delivery and Transfer pumps, the operation mode of its should be?

• Should be Manual

• Should be Auto

• Could be for both of operation mode

• Should be Auto following WTP Group Control

How much pH that has required for Potable Water?

• 6.5 - 8.5

• 6.5 - 9.0

• 7.0 - 8.5

• 7.0 - 9.0