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Question 6

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LisaS

April 20, 2009, 02:57:03 PM
QUESTION 6
(a) An effluent absorption trench is one method used for effluent disposal.
Neatly draw and label both a side elevation and an end elevation of an absorption trench.
  Include pipe work, measurements, filter media, filter cloth, and show a minimum of four
field tiles in side elevation.
Field tiles to be earthenware 300mm in length laid to a fall of 1 in 200.
(4 marks)
(b)   There are restrictions on where square junctions may be used on a foul water drainage
system. AS/NZS 3500: Part 2 Sanitary plumbing and drainage states where square
junctions may be used. List FIVE of these positions.
1
2
3
4
5
(5 marks)
(c) Using your knowledge of AS/NZS 3500: Part 2 Sanitary plumbing and drainage, complete 
the following table.

PLEASE SEE PDF FOR TABLE

(5 marks)

Total 14 marks

Linkback: https://forum.plumbers.nz/drainlaying-exam-november-2007/25/question-6/232/
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Plumber

#1
April 24, 2009, 09:02:57 AM
question 6

a) only 4 marks for this one?  :o

b) At the top of a jump-up at the point of connection.
b2) at the connection of an inspection shaft to a graded drain.
b3) at the connection of a drain to a boundary trap riser.
b4) Where a vent is connected to a boundary trap riser.
b5) As the inlet riser of a gully or floor waste gully.
b6) As an inspection opening.
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Please note that the advice I am giving is only my opinion and not necessarily a fact.  Please refer to our terms and conditions.
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