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Level 2 drainage

Total questions: 22

Worksheet time: 12mins

Name
Class
Date
1.

Identify two potential issues that arise from a soil waste discharge being too steep?

a)

It might leave solid sediment in the pipe causing blockage

b)

The trap may be pulled, leading to the loss of water seal

c)

Increased water pressure

d)

Improved drainage efficiency

2.

What is the recommended gradient for a 110mm soil pipe branch

a)

5mm for every 4 meter's

b)

100mm for every 4 meter's

c)

15mm for every 4 meter's

d)

20mm for every 4 meter's

3.

Which fitting is installed at the base of a soil stack?

a)

P-trap

b)

Cleanout plug

c)

Access point

d)

Vent stack

4.

What is the minimum size pipe that a soil stack vent pipe can be?

a)

50mm

b)

75mm

c)

100mm

d)

125mm

5.

In parts of the UK, it is common that living spaces are being built below ground. What valve must be installed at the manhole chamber

a)

Pressure relief valve

b)

Non-return valve

c)

Gate valve

d)

Ball valve

6.

Under the building regulations which approved document relates to drainage and waste disposal?

a)

Approved Document A

b)

Approved Document F

c)

Approved Document G

d)

Approved Document H

7.

State the purpose of the guidance of building regulations approved documents?

a)

They are made for aesthetic purposes

b)

They are primarily for the health safety and welfare of people

c)

They provide guidance for architectural designs

d)

They regulate building materials only

8.

When working on above ground drainage, e.g. soil pipes in voids or roof spaces, what safety classification procedure this fall into?

a)

Working at heights

b)

Working with electricity

c)

Working in confined spaces

d)

Working with hazardous materials

9.

What is the correct name for this?

a)

Bath trap

b)

P-trap

c)

Waterless trap

d)

Bottle trap

10.

Identify the appliances from the list below that carry foul water

a)

Bidet

b)

WC

c)

Wash hand basin

d)

Kitchen sink

11.

When designing sanitary pipework where flush volumes on WC's are as low as 4ltr's, which British standard is applied for guidance?

a)

BSEN12056

b)

BS 6700

c)

BS 7671

d)

BS 5839

12.

Under working and test conditions of waste and soil pipes, what is the minimum water seal depth of traps to be retained?

a)

10mm

b)

15mm

c)

20mm

d)

25mm or equivalent

13.

True or false. Branch pipe should not discharge into hoppers

a)

True

b)

False

14.

Where would you find a gully?

a)

On rooftops

b)

At ground level or a basement

c)

In kitchens

d)

inside bathrooms

15.

State what type of soil stack is used when appliances are at ground level only?

a)

Vent stack

b)

Stub stack

c)

Branch stack

d)

Main stack

16.

What is the correct name for this drainage fitting?

a)

Bird cage

b)

Automatic air vent

c)

110mm Socket

d)
Pressure relief fitting
17.

What is the correct name for this below ground drainage fitting?

a)

Soak-away connector

b)

Long radius bend

c)

Swept elbow

d)

90° long elbow

18.

What are the faults with this soil pipe?

a)
Excessive moisture in the soil.
b)

Insufficient support along the whole length of the pipework

c)

Insufficient drainage around the pipe.

d)

Below ground pipework used above ground

19.

What is the correct name for this?

a)

Fire collar

b)

Coupling

c)

Air grill

d)

Intumescent sealant

20.

As per the building regulations what distance does a soil stack need to be from an opening window?

a)
1 meter
b)
2 meters
c)
3 meters
d)
5 meters
21.

What is this?

a)

Waste pipe manifold

b)

Rodding access

c)

Flush pipe

d)

Gulley grid

22.

What building regulations cover drainage and waste disposal?

a)

Building regulations part H drainage and waste disposal.

b)

Building regulations part G sanitation, hot water safety and water efficiency.

c)

Building regulations part L conservation of fuel and power

d)

Building regulations part F ventilation