Water Supply Regulations Quiz

According to WRAS guidance (G12.2), what should happen to the pressure in the system over the next one hour period during testing?

• The pressure should increase

• The pressure should drop below the test pressure

• The pressure should remain constant with no visible leakage

• The pressure should fluctuate

What does WRAS recommendation R12.2 state about testing rigid pipe systems?

• All outlets should be left open

• The pressure should be decreased by 50%

• The pressure should be maintained for one hour without further pumping

• The system should be tested for five minutes

According to BS EN 806, what should the maximum design pressure be in relation to the maximum operating pressure?

• 1.2 times the maximum operating pressure

• 1.5 times the maximum operating pressure

• 2 times the maximum operating pressure

• Equal to the maximum operating pressure

What is the first step in pressure testing a rigid metallic pipe according to BS EN 806?

• Attach the hydraulic test bucket

• Slowly fill the system with water

• Pump the system to maximum pressure

• Check for pressure drop

For larger installations, how should the system be treated after flushing?

• Re-filled with water

• Disinfected as described in BS EN 806

• Vent at outlets and high level

• Open all taps