Building Surveying > Drainage > Flashcards

Drainage Flashcards

(20 cards)

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1
Q

What is drainage?

A

The above and below ground services to remove effluent from a building.

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2
Q

What are the two types of effluent?

A

1) Surface water
2) Foul / Soil water

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3
Q

What is surface water?

A

Effluent collected from surfaces such as roofs and paved areas. It is considered to be clean and can be discharged direct into an approved water course or soakaway.

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4
Q

What is foul / soil water?

A

Effluent contaminated by domestic or trade waste. It will require treatment to render it clean before it can be discharged into an approved water course.

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5
Q

What is the difference between drains and sewers?

A

Drains are
Sewers are

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6
Q

What approved documents is applicable to drainage?

A

Approved Document H: drainage and waste disposal.

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7
Q

What are the 3 types of drainage system?

A

1) Separate System
2) Partially Separate System
3) Combined System

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8
Q

What is a separate system?

A

This is a system where the surface water and the foul water are kept separate so only the foul water is sent to a treatment centre.

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9
Q

What is a combined system?

A

A single system for both foul and surface water which requires the use of a treatment centre to process the water.

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10
Q

What is a partially separate system?

A
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11
Q

What is a soakaway?

A
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12
Q

Where is maintenance / inspection provision required on a drainage system?

A
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13
Q

What is the difference between an inspection chamber, manhole and rodding eye?

A
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14
Q

What materials can be used for drainage pipes?

A
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15
Q

What are the two methods of testing the soundness of a drain?

A
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16
Q

What materials are used for rainwater goods?

17
Q

What are the 3 final discharge options for rainwater downpipes?

Study These Flashcards
A

1) A soakaway
2) A surface water sewer
3) Or a combined sewer system

18
Q

What is the meaning of SUDS?

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A

Sustainable Urban Drainage System

19
Q

What is the meaning of CBPP?

20
Q

What are the types of waste water pipework arrangements?

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