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Part 1
Practice Plumbing Exams © 2016
www.practiceplumbingexams.com
• On all dwellings there is some form of rainwater
collection, this is normally mounted to a facia board
• The collection ...
Box end
Downpipe
Running outlet
Facia
Gutter
Practice Plumbing Exams © 2016
www.practiceplumbingexams.com
The purpose of a rainwater system is to:
• To restrict ground erosion
• To protect the property’s foundations
• To provide...
When the rainwater system is correctly installed the collection of
water must not :
• Damage the property or any adjacent ...
• There are 5 ways to discharge the rainwater from the
rainwater system into a drainage system:
• Combined sewer - this is...
• Combined sewer - this is a normal drainage system that
combines surface water and waste water from a dwelling.
Practice ...
• Surface water drain – this is a specialist drainage system
designed for surface water only. The waste water from
applian...
• Soakaway drain – this is a hole in the ground that allows
for the rainwater to soak away gradually.
Practice Plumbing Ex...
• Water course – this is where the rainwater would be
discharged directly into a stream or river.
Practice Plumbing Exams ...
Rainwater harvesting
This can save a
householder large
amounts of water.
Storage cisterns are
installed below ground
and c...
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Rainwater part 1

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Rainwater part 1

  1. 1. Part 1 Practice Plumbing Exams © 2016 www.practiceplumbingexams.com
  2. 2. • On all dwellings there is some form of rainwater collection, this is normally mounted to a facia board • The collection method is called a guttering system. This is a gutter attached at roof level that conveys the rainwater to a running outlet to the down pipe which is connected to a drainage system • A rainwater harvesting system stores the water to be reused Practice Plumbing Exams © 2016 www.practiceplumbingexams.com
  3. 3. Box end Downpipe Running outlet Facia Gutter Practice Plumbing Exams © 2016 www.practiceplumbingexams.com
  4. 4. The purpose of a rainwater system is to: • To restrict ground erosion • To protect the property’s foundations • To provide a means of water harvesting (water collection ) • To prevent water penetration into the property Practice Plumbing Exams © 2016 www.practiceplumbingexams.com
  5. 5. When the rainwater system is correctly installed the collection of water must not : • Damage the property or any adjacent property's in anyway • Be a nuisance to the owner/occupier The Rainwater system must: • Be installed to standards • Have correct fall • Be able to cope with rain high amounts of rain fall Practice Plumbing Exams © 2016 www.practiceplumbingexams.com
  6. 6. • There are 5 ways to discharge the rainwater from the rainwater system into a drainage system: • Combined sewer - this is a normal drainage system that combines surface water and waste water from a dwelling. • Surface water drain – this is a specialist drainage system designed for surface water only. • Soakaway drain – this is a hole in the ground that allows for the rainwater to soak away gradually. • Water course – this is where the rainwater would be discharges directly into a stream or river. • Rainwater harvesting – this is where the rainwater is collected and stored for reuse eg. watering garden or cleaning the car Practice Plumbing Exams © 2016 www.practiceplumbingexams.com
  7. 7. • Combined sewer - this is a normal drainage system that combines surface water and waste water from a dwelling. Practice Plumbing Exams © 2016 www.practiceplumbingexams.com
  8. 8. • Surface water drain – this is a specialist drainage system designed for surface water only. The waste water from appliances are kept separate from the rainwater Practice Plumbing Exams © 2016 www.practiceplumbingexams.com
  9. 9. • Soakaway drain – this is a hole in the ground that allows for the rainwater to soak away gradually. Practice Plumbing Exams © 2016 www.practiceplumbingexams.com
  10. 10. • Water course – this is where the rainwater would be discharged directly into a stream or river. Practice Plumbing Exams © 2016 www.practiceplumbingexams.com
  11. 11. Rainwater harvesting This can save a householder large amounts of water. Storage cisterns are installed below ground and collect rain water from gullies. Average size may be 5,000 litres. Rainwater harvesting Practice Plumbing Exams © 2016 www.practiceplumbingexams.com

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