Exam 2 Flashcards
(13 cards)
State how long before work commences a Notification of Particular Hazardous Work form should be submitted
24 hours
Give FIVE items of information that are to be provided on a Notification of Particular Hazardous Work form
- Nature of work.
- Address of worksite.
- Contractor details.
- Brief description of work.
- Due date of commencement.
- Estimated time to complete.
A natural draught combined flue is to be designed to suit several gas appliances. Give SIX factors to be taken into account when calculating the size of the flue.
-Heat loss from material or position.
-Shape of flue, location of appliances.
-input rating of appliances.
-The number of appliances.
-Length of flue, allowing for lateral runs.
-Termination point.
-Position – heat loss.
-Size of spigots on appliances.
-Any recommendations of appliance manufacturer.
A 9 kg LPG cylinder is permitted to be used indoors with what type of connection?
QCC
Which of the following standards provides guidance when verifying the safety of an existing gas installation?
NZS 5255
Which of the following standards provides guidance when verifying the safety of an existing gas installation?
NZS 5255
Define the term direct presence supervision as it relates to supervision of a gasfitter under the Plumbers, Gasfitters and Drainlayers Board supervision policy
Supervisor must be on site at all times to physically oversee supervisee and remain in direct line of communication
Give FOUR requirements according to AS/NZS 5601 Part 2 that must be met where LPG cylinders are located within an external combined storage compartment/locker.
The cylinder compartment must be separated from the storage area with a divider.
The divider must be sealed to the sides and floor of the compartment.
The cylinder portion must be vented at the base.
The storage compartment must not contain batteries or electrical equipment.
Must have a drain.
Must be labelled.
List SIX items of information that a GSC (Gas Safety Certificate) must contain.
-That the installation is safe to use.
-What parts of the installation it applies to.
-The location of the installation.
-The authentication mark.
-The date the installation was connected to the gas.
-The name and registration number of the person who connected it.
-Signature of gasfitter and date gas was connected.
-A statement that the work complies with the Building Code.
In relation to the NZ building code, explain the definition of an Acceptable Solution and give an example of one.
Meaning:
A pre-approved method of compliance with the Building Code.
Example:
Clause E2 – External Moisture
In relation to the NZ building code, explain the definition of an Alternative Solution and give an example of one.
Meaning:
A custom designed method that differs completely or partially from those described in the compliance documents, but that will comply with the Building Code. May need approval by the building consent authority.
Example:
Installing a new type of wall cladding system that is not listed in E2/AS1
relation to the NZ building code, explain the definition of a Verification Method and give an example of one.
Meaning:
Calculations or test to show a building design complies with the Building Code. Approved by the building consent authority.
Example:
B1/VM1
Explain the meaning of Codes Of Practice and give two examples.
Meaning:
Best practice guides recognised as providing suitable ways of performing particular tasks with the least amount of potential risk.
Examples:
NZS 5601.1 and 5601.2: Australian/New Zealand standards for gas installations, also adopted in New Zealand as Codes of Practice