WorksheetsUnderstand the requirements of drainage systems
Total questions: 31
Worksheet time: 16mins
The statutory requirements for the performance of a foul water drainage system are detailed in which one of the following?
Water regulations
Building regulations
Construction regulations
British Standard 8000
Which of the following deals with gravity drainage systems inside buildings?
BS EN 12056
BS 6700
BS EN 806
Building regulation part L
What building regulation document deals with drainage and waste disposal?
Part F
Part P
Part H
Part L
What type of sanitary pipework system is shown in the diagram?
Primary ventilated stack system
Ventilated branch discharge system
Modified one pipe system
Secondary ventilated stack system
What type of sanitary pipework system is shown in the diagram?
Modified one pipe system
Stub stack system
Secondary ventilated stack system
Primary ventilated stack system
What type of sanitary pipework system is shown in the diagram?
Primary ventilated stack system
Stub stack system
Ventilated branch discharge system
Secondary ventilated stack system
What type of sanitary pipework system is shown in the diagram?
Modified one pipe system
Ventilated branch discharge system
Secondary ventilated stack system
Stub stack system
What type of sanitary pipework system is shown in the diagram?
Stub stack system
Primary ventilated discharge stack
Rain water harvesting system
Grey water harvesting system
What is the minimum recommended dimension shown as X between the lowest branch connection and the invert of the drain to a 'two' storey property?
450mm
350mm
600mm
150mm
What is the minimum recommended dimension shown as X between the lowest branch connection and the invert of the drain to a 'four' storey property?
750mm
450mm
300mm
600mm
Which one of the following criteria must be observed when installing a stub stack system of sanitation pipework?
Drain invert and ground floor level must not exceed 600 mm
Drain invert and ground floor level must not exceed 1.8 m
Drain invert and ground floor level must not exceed 1.3 m
Drain invert and ground floor level must not exceed 900 mm
Which one of the following criteria must be observed when installing a stub stack system of sanitation pipework?
The highest waste connection allowed is 2.5 m above the invert of the drain
The highest waste connection allowed is 1 m above the invert of the drain
The highest waste connection allowed is 2 m above the invert of the drain
The highest waste connection allowed is 1.5 m above the invert of the drain
Which one of the following fittings should be used at the termination of a soil and vent pipe?
Straight coupling
Stand off pipe fastening
Guarded bend
Wire or plastic mesh cage
Work is required on a below ground drainage system which has a primary ventilated stack system connected to it. Which of the following must be taken out of service during drainage operations?
All sanitary fittings
All WCs
Bath only
Wash basin only
Which one of the following do sanitary appliances reduce?
Water consumption
Health
Disease
Cleanliness
What is the minimum radius of the bend at the base of the soil and vent stack?
300mm
120mm
450mm
200mm
What is the component that can be added to a remote branch for a single wash hand basin to prevent siphonage?
Open air vent
Automatic air vent
Manual air vent
Air admittance valve
Which one of the following actions should be taken when removing a WC pan in a public toilet?
Pour powerful disinfectant into the pan
Make sure the work area is ventilated
Flush the toilet at least three times
Wear suitable hand protection
Which one of the following types of PPE is most likely to be required when unblocking a section of drain pipe using drain rods?
Rubber gloves
Ear plugs
Leather gloves
Dust mask
If foul water and sewage were to come into contact with a plumber's skin, the plumber could contract:
Malaria
Giardiasis
Yellow fever
Hepatitis
A hand skin condition that can occur following repeated contact with chemicals is called?
AIds
Legionnaire's disease
Hepatitis
Dermatitis
Working with drainage pipework can lead to what disease as a result of contact with rodent urine?
Hepatitis
Legionnaire's
Weils
Dermatitis
What would be the best way to prevent a customer from using a sanitary appliance whilst work is being carried out on the soil stack?
Isolate the incoming cold water
Place warning notices on the appliances
Write a letter to the customer
Isolate the electrics in the property
If an air admittance valve is located within some boxing, what is required to allow the valve to operate effectively?
Only one appliance can be discharged at any one time
Additional ventilation in the boxing
The boxing must be sealed
Access from the loft area
What type of drainage system is shown in the image?
Combined system
Separate system
Partially separate system
Soakaway system
What type of drainage system is shown in the image?
Separate system
Combined system
Partially separate system
Unvented system
What type of drainage system is shown in the image?
Separate system
Combined system
Partially separate system
Stub stack system
What is the minimum distance for X in the diagram?
900mm
450mm
1200mm
350mm
What is the component mounted on the top of the pipe in the image shown?
Cage
Globe
Ball
AAV
What is recommended to stop crossflow in a soil stack opposite a WC?
Air admittance valve
No connections for 200mm
No connections for 100mm
Boss strap
When permanently decommissioning a hand basin what should be left in place?
Hot and cold supply feeds turned off by isolation valves only
No materials or fittings left in place
Discharge waste pipe with trap attached
Discharge waste pipe with no trap connected
