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://www.plumbers.nz/drainlaying-exam-november-2007/25/question-6/232/