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Support => exam support and downloads => Plumbing, Gas fitting and Drainlaying Apprentice Support => Drainlaying Exam November 2007 => Topic started by: LisaS on April 20, 2009, 02:57:03 PM

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Title: Question 6
Post by: LisaS on 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

Title: Re: Question 6
Post by: Plumber on 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.