Water Supply System Requirements

What is the minimum depth for a communication pipe according to the requirements?

• 500mm

• 750mm

• 1000mm

• 1350mm

Fill in the blank: The service pipe should be at least _______ in diameter.

• 15mm

• 25mm

• 35mm

• 45mm

What is a requirement for internal water meters?

• They must be painted red

• They need to be cross bonded for safety

• They should be placed outside

• They must be made of plastic.

Fill in the blank: Internal water meters need to be ______ for safety.

• A) insulated

• B) cross bonded

• C) painted

• D) replaced

What color is the MDPE pipe used to identify wholesome water?

• Red

• Blue

• Green

• Yellow

The minimum size for a modern property is ____. A) 20mm B) 25mm C) 30mm D) 35mm.

• 20mm

• 25mm

• 30mm

• 35mm

According to the Water Regulations, where should a stop valve be located?

• Outside the building

• Inside the building, above floor level

• Below ground level

• On the roof

Fill in the blank: Water undertakers recommend no more than ___ of MDPE is above floor level.

• 100mm

• 150mm

• 200mm

• 250mm

What is the purpose of the washer in a stop valve?

• To create a watertight seal

• To loosen the jumper

• To replace the head gear

• To install the DOV

What tool is used to operate the DOV?

• Hammer

• Spanner

• Screwdriver

• Pliers