Rainwater Flashcards
What is the purpose of a rainwater system?
To prevent damage to the foundations of the property and to prevent ground erosion.
What are the 3 main materials for rainwater systems?
u-PVC, steel and aluminum
What is the purpose of the 10mm gap in the middle of rainwater fittings?
To allow for expansion.
Name an advantage of u-PVC guttering.
Economical, light weight, minimal maintenance, corrosion free, smooth finish and long life span.
Name an advantage of cast iron guttering.
It is strong and durable.
Name a disadvantage of u-PVC.
It integrity can be affected by certain paints and preserves.
Name a disadvantage of cast iron.
Installation is expensive, installation is time-consuming, requires regular maintenance, it is heavy, jointing is more difficult
Name an advantage of cast aluminum
It is strong and durable, it does not rust, it is lighter in weight than cast iron
Name a disadvantage of cast aluminum.
Installation is expensive, installation is time-consuming, it is expensive to purchase
Which legislation covers rainwater systems?
Building regulation part H
What’s the most common pipe for guttering?
PVCu
Which building regulation covers guttering?
Part H
What’s the clipping distance on guttering?
Every 1m
What’s the fall required on guttering?
1:600
What is guttering clipped to?
Fascia Boards
What is used to join gutters together?
Union Brackets
What are used to clip guttering into the fascia board?
Fascia Brackets
What do you place at the end of a gutter?
End Caps
What is the main formula used to calculate roof area?
(W + (H/2)) x L
Once we have found the roof area what do we multiple it by?
0.0208
If the length of the roof is 12m, the width being 8m and thr pitch factor of 45 degrees= 1.50 work out the roof area…
12 x 8 x 1.5= 144m2
What gutter profile would you use in high intensity rainfall areas?
Deep flow
What is the size of the average water harvesting tank?
5000 litres
What is the soakaway drain?
a pit set away from the house/property that allows rainwater to soak back into the ground
What PPE would be required for working on guttering?
Safety googles, hard hat, high visability jacket, steel toe cap boots, gloves
What maintenance can you perform on guttering?
Clear the gutter of debris and inspect the brackets
Where does your downpipe lead to?
The soak away or the drain
Where do we commonly fix our gutter brackets to?
The fascia board
How does the guttering fit into the fascia clip?
It is slotted into the back then pulled down to clip into the front.
