QUESTION 11
(a)  Under the Health and Safety in Employment Act, when laying a drain where an excavation
which is deeper than 1.5m and is deeper than it is wide at the top, this work becomes
notifiable. State which Government Department or representative must be notified.
(1 mark) 
                  Department of labour

(b)  State the name and clause of the New Zealand Building Code that deals with each of 
the following.
 Interceptor traps: G14
 Industrial liquid waste: G14
(2 marks)
(c)  NZ Building Code Acceptable Solutions G13/AS2: Drainage is for below-ground
non-pressure (gravity flow) foul water drains having a diameter of no greater than 150mm.
 State the foul water drainage systems to which it does NOT apply.
(3 marks)  Industrial liquid waste

(d)  A drainlaying business requires extra staff. List FOUR details, apart from the name 
and address, that must be recorded in an employment agreement when employing a 
new employee.
 1 IRD numbers
 2 their postion in the company ie: labourer, drainlayer ,receptionist                                                       3 start date of employment
 4 rate of pay
(4 marks)
others can inclued but not limited to: age (if under 20), daily hrs, holiday pay, gross pay, bank acc#,
Total 10 marks