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WorksheetsPlumbing L3 AP Drainage systems PT1
Total questions: 18
Worksheet time: 9mins
What building regulations cover drainage systems?
Part L and J
Part H and G
Part H and P
Part G and L
The British standard that cover gravity drainage systems within the building is?
BS 12056
BS 1212
BSEN 806
BS 6700
The British standard for good workmanship on site is?
BS 8000 pt13
BSEN 806
BS 1212
BS 1172
This picture shows a?
Primary ventilated stack
Secondary ventilated stack
Soil pipe
Drain pipe
This picture shows a?
Waste manifold
Long radius bend
Strap boss
intumescent collar
This picture shows a?
Waste manifold
Long radius bend
Strap boss
intumescent collar
This picture shows a?
Waste manifold
Long radius bend
Strap boss
intumescent collar
The lowest connection to the soil stack must be a minimum of how many mm for a two story building?
150 mm
300 mm
450 mm
750 mm
The lowest connection to the soil stack must be a minimum of how many mm for a five story building?
150 mm
300 mm
450 mm
750 mm
Where a trap diameter is 50mm or above, the trap seal must be a minimum of?
50 mm
25 mm
75 mm
100 mm
The minimum size of trap for a shower is?
40 mm
32 mm
50 mm
100 mm
If the stack has a tight radius at the base (instead of a long radius bend) the water can start to back up the stack, causing pressure to build, and pushing out the lower traps. This is known as?
Compression
Self siphonage
induced siphonage
capillary action
What is the recommended gradient for a bath waste pipe?
18 mm
18 to 22 mm
18 to 90 mm
no recommended gradient
What is the maximum length for a 32 mm basin waste?
1.7 m
1.5 m
3 m
6 m
Why is this plastic waste pipe sagging so badly?
it's in a sunny location
no room for exapansion
it's not clipped correctly
all of the above
The correct gradient a gutter should be installed to is?
600:1
1:60
1:600
60:1
This gutter profile is called......
Half round
Square
Egg mould
Ogee
One purpose of installing gutter systems to a gradient is to...
allow for expansion of the gutter system
ensure the gutter system looks good when it is finished
make it easier for us to install gutter systems
help create a self cleaning flow of water through the gutter system
