QUESTION 9
(a)  Using your knowledge of New Zealand Building Code Clause G13/AS2, draw and label a gully
trap complete with dish set in unpaved ground against a concrete reinforcing wall. Include all
measurements, and clearly show all details as required for a complete construction. 
 
(3 marks)
(b)   State the minimum height the top of the gully dish is required to be in the following
circumstances:
 (i) above paved surfaces.
 (ii) above unpaved surfaces.
(2 marks)
(c)   State the minimum pipe diameter of a gully trap according to New Zealand Building Code
Clause G13/AS2.
 
 
(1 mark)
Total 6 marks

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