Drainage part 8

What is the purpose of a planned preventative maintenance (PPM) programme in maintaining sanitation systems?

• To increase the water pressure in the system

• To determine what problems have previously occurred to a system

• To reduce the cost of water usage

• To improve the aesthetic appearance of the system

What can be used to determine what and when maintenance needs to be done in a sanitation system?

• Maintenance schedules

• Water usage reports

• Customer feedback

• System color codes

During a PPM inspection, which of the following is NOT typically checked?

• Signs of leakage

• Signs of overflow

• Water levels in Water closet (WC) cisterns

• Water temperature

What should be checked to ensure proper functioning of Water closet (WC) cisterns?

• Water levels

• Water temperature

• Water color

• Water taste

What is one of the visual inspections performed during a PPM inspection?

• Checking the system's color

• Inspecting for signs of leakage

• Measuring the system's height

• Testing the system's taste

What tool can be used to unblock a sink?

• Wrench

• Screwdriver

• Force cup

• Hammer

What must you remember to do when using a force cup to unblock a sink?

• Turn off the water supply

• Block the overflow

• Use hot water

• Remove the sink trap

What tool can be used to clean out a blocked gully?

• Gully grab

• Gully hopper

• Gully trap

• Access bend

What tool can be used to unblock waste pipes?

• Plunger

• Drain auger

• Wrench

• Screwdriver

What additional function does a drain auger have besides unblocking waste pipes?

• Tightening screws

• Measuring water pressure

• Working out how far down a blockage is in a waste pipe

• Cutting pipes