2152 version 3
28-Jun-16
1 of 3
PLUMBING
Design hot water supply systems
level:
5
credit:
10
planned review date:
April 1998
sub-field:
Plumbing, Gasfitting and Drainlaying
purpose:
This unit standard is for people who work, or intend to work
in plumbing. People credited with this unit standard will be
able to determine user requirements and design hot water
supply systems.
entry information:
Open.
accreditation option:
Evaluation of documentation and visit by NZQA and
industry.
moderation option:
A centrally established and directed national moderation
system has been set up by The Skills Organisation.
special notes:
New Zealand Building Code and Approved Documents:,
G10 Piped Services, G12 Water Supplies, Manufacturers'
specifications, Water supply protection regulations, NZS
3501: 1976, NZS 4302: 1987, NZS 4613: 1986, NZS 4614:
1986, NZS 4617: 1989, NZS 5807 Part 2: 1980, AS 2642
Parts 1, 2 & 3: 1989, AS 3500 Part 4: 1990, Health and
Safety in Employment Act 1992.
 New Zealand Qualifications Authority 2016
2152 version 3
28-Jun-16
2 of 3
PLUMBING
Design hot water supply systems
Elements and Performance Criteria
element 1
Determine hot water supply system owner and user requirements.
Range:
domestic, recreational, commercial, industrial.
performance criteria
1.1
Owner and user requirements are identified and listed.
1.2
Hot water supply system devices and components are selected in accordance
with Acts ,Codes and manufacturers' instructions refer special note.
element 2
Design hot water system.
Range:
direct, indirect, mains pressure, low pressure, gas fired, electric, oil fired, solid
fuel, solar.
performance criteria
2.1
The hot water supply systems are explained.
2.2
Hot water supply system design and detail specifications conform to provisions
of Acts, Standards, Codes and manufacturers' instructions, refer special note.
element 3
Maintain safe working environment.
performance criteria
3.1
Work practices are carried out without injury to worker, public, or damage to
building, other services, tools or equipment, refer special note.
 New Zealand Qualifications Authority 2016
2152 version 3
28-Jun-16
3 of 3
PLUMBING
Design hot water supply systems
Comments to:
The Skills Organisation
Freepost 5164
PO Box 24-469
Royal Oak
Auckland 1345
Please Note:
Providers must be accredited by the Qualifications Authority
before they can offer programmes of education and training
assessed against unit standards.
Accredited providers assessing against unit standards must
engage with the moderation system that applies to those unit
standards. [Please refer to relevant Plan ref: 0008]
 New Zealand Qualifications Authority 2016