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Support => exam support and downloads => Plumbing, Gas fitting and Drainlaying Apprentice Support => Drainlaying Exam 2006 => Topic started by: LisaS on March 14, 2009, 11:58:09 AM

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Title: Question 4
Post by: LisaS on March 14, 2009, 11:58:09 AM

QUESTION 4
(a) State the purpose of a rodding point.
(1 mark)

(b)   What extra provision would be required if a rodding point were to be installed within a building
envelope rather than outside the building?
(1 mark)

(c)  Draw a side elevation of a rodding point as it would be connected to a drain. Label the main
components and give the maximum depth.
(3 marks)

Total 5 marks

Title: Re: Question 4
Post by: Plumber on March 15, 2009, 12:30:53 PM

Question 4.

a) Access for cleaning the drain in case of blockage.

b) Roding points within the building envelope shall be in an area that complies with the isolation and ventilation requirements for spaces in which soil fixtures are located.

c) Please download G13 http://www.plumbers.co.nz/forum/index.php/topic,9.0.html (http://www.plumbers.co.nz/forum/index.php/topic,9.0.html) and refer to figure 10.