Sanitary Pipework Systems Quiz

The design of sanitary pipework systems is covered in

• the Building Regulations

• British Standard 6700

• the Water Regulations

• the Construction Regulations.

Refer to Figure 1. The gutter cross-section shown is

• half round

• Ogee

• Victorian

• Square.

The maximum recommended length of a 40 mm waste discharge pipe from a sink when connected to a Primary Ventilated Stack System is

• 1 m

• 1.5 m

• 2 m

• 3 m.

The final electrical connection to a WC macerator installation should be wired from

• an un-switched fused spur outlet

• the mains board consumer unit

• a switched fused spur outlet

• a pull switch in the WC compartment.

A new discharge stack is to be connected to an existing drain, on commencing the work the underground pipework is found to be blocked. The plumbing contractor should

• get the appropriate tools and clear the drain

• tell the customer and agree next actions

• contact the Environmental Health Department.

• contact the Local Authority Drainage Department.

Which one of the following is most likely to be used when positioning gutter brackets?

• Expansion bit.

• Water gauge.

• Plumb line.

• String line.

The minimum diameter for a waste pipe from a washing machine to a gulley is

• 22 mm

• 28 mm

• 32 mm

• 40 mm.

Refer to Figure 2. The type of trap shown is

• Bottle trap anti-vac

• Shower trap

• Resealing trap

• ‘S’ trap.

A slotted waste should be used in

• powered macerator type WC units

• domestic waste disposal units

• slab type stainless steel urinals

• appliances with an integral overflow

In a combined drainage system, the foul and surface water goes into

• one soak away

• two septic tanks

• two sewer pipes

• one sewer pipe