QUESTION 11
(a)  (i) Define a floor waste gully.
 
 
 (ii)  State the purpose of a floor waste gully.
 
 
(2 marks)

(b)  State the requirements of the New Zealand Building Code Approved Document G13 AS1
for the location of a water trap serving a sanitary fixture or appliance.
 
 
(1 mark)

(c)  Give FOUR examples where a single water trap may serve more than one outlet from
sanitary fixtures or appliances.
 1
 
 2
 
 3
 
 4
 
(4 marks)

(d)  State the minimum depth of water seal, as per the New Zealand Building Code Approved
Document G13 AS1, for a waste pipe that discharges over a gully trap.
 
(1 mark)
Total 8 marks

Linkback: https://www.plumbers.nz/plumbing-exam-june-2007/23/question-11/167/