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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
-
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. 25 mm
(ii) above unpaved surfaces. 100mm
(2 marks)
(c) State the minimum pipe diameter of a gully trap according to New Zealand Building Code
Clause G13/AS2. 100mm dia