22200 version 1
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Lay base and segmental pavers as hard surfaces in landscape work
Level
4
Credits
6
Purpose
This unit standard is for people working, or intending to work, in landscaping.
People credited with this unit standard are able to: prepare work area for
laying of segmental pavers; lay base for segmental pavers; and lay
segmental pavers according to specifications.
Subfield
Horticulture
Domain
Landscape
Status
Registered
Status date
25 September 2006
Date version published
25 September 2006
Planned review date
31 December 2011
Entry information
Open.
Replacement information
This unit standard replaced unit standard 1005.
Accreditation
Evaluation of documentation and visit by NZQA, industry
and teaching professional in the same field from another
provider.
Standard setting body (SSB)
Primary Industry Training Organisation
Accreditation and Moderation Action Plan (AMAP) reference
0032
This AMAP can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Special notes
1
Workplace procedures refer to verbal or written instructions to staff on procedures for
the worksite and equipment.
2
Legislation relevant to this unit standard includes but is not limited to the Health and
Safety in Employment Act 1992.
3
The New Zealand Standards applicable to this unit standard are: NZS 3109:1997A2
Concrete construction, and NZS 4229:1999 Concrete masonry buildings not requiring
specific engineering design, available from http://www.standards.co.nz.
 New Zealand Qualifications Authority 2016
22200 version 1
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Elements and performance criteria
Element 1
Prepare work area for laying of segmental pavers.
Performance criteria
1.1
Excavation for the work is completed in accordance with workplace procedures
and in accordance with the requirements of the drawings and specifications.
1.2
Edgings for the work are established to height, line, and grade shown on
drawings and are in accordance with the specification and manufacturer's
requirements where applicable.
Element 2
Lay base for segmental pavers.
Performance criteria
2.1
Height, line, and grade for finished hardfill are established with pegs located to
measurements and heights shown in drawings or specifications.
2.2
Any services to, or passing under, hard surface are located before base is laid,
and protected from damage during laying of hardfill.
Range
2.3
Base is laid to specification of hard surface material requirements and in
accordance with workplace procedures.
Range
2.4
may include but is not limited to – drainage, drainage collection
points, water, electricity, gas, telephone, data cables.
may include but is not limited to – layering, coarse to fine material,
use of water as a compaction agent, use of lime as a stabiliser,
use of geo-textiles.
Base is compacted and surface finished to height, line, and grade, without
damage or displacement of edgings if present.
Element 3
Lay segmental pavers according to specifications.
Performance criteria
3.1
Materials suitable for construction of durable, low maintenance hard surfaces in
landscaping are described in terms of their uses and characteristics.
Range
materials – segmental concrete units, clay pavers, bedding sand,
jointing sand.
 New Zealand Qualifications Authority 2016
22200 version 1
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3.2
Material requirements are calculated from drawings or specifications and site
measurement check, and are ordered in accordance with workplace
procedures.
Range
materials – segmental concrete units or clay pavers by name,
dimension, and square metres of surface; bedding and jointing
sand by grade and cubic metres.
3.3
Pattern for laying of units is set out by measurement and establishment of
reference lines to specified layout.
3.4
Bedding sand is spread, compacted if specified and finished to line and grade
required to set installed paving units at specified height.
3.5
Full paving units are laid to spacing, line, specified pattern, and manufacturers'
recommendations to form an even surface.
3.6
Part units are cut and fitted without damage to units or edgings, or displacement
of laying pattern, using a range of tools and equipment in accordance with
workplace procedures.
Range
three of – hydraulic cutters, hammer and bolster, power saw and
specialist cutting blade, water lubricated block and brick cutting
saw.
3.7
Established edgings prevent displacement of units on completion of work.
3.8
Jointing sand is spread over surface, and all joints are filled to prevent
movement of paving units under load.
3.9
Units are compacted to ensure even bedding of all units in bedding sand.
3.10
Surplus jointing sand is removed to leave paved surface ready for use.
3.11
All surplus material is removed, and site is left in a condition that allows further
work to continue unimpeded in accordance with workplace procedures.
3.12
A final check is made to jointing within 14 days, and all joints are topped up to
specifications.
Please note
Providers must be accredited by the Qualifications Authority, or an inter-institutional body
with delegated authority for quality assurance, before they can report credits from
assessment against unit standards or deliver courses of study leading to that assessment.
Industry Training Organisations must be accredited by the Qualifications Authority before
they can register credits from assessment against unit standards.
Accredited providers and Industry Training Organisations assessing against unit standards
must engage with the moderation system that applies to those standards.
 New Zealand Qualifications Authority 2016
22200 version 1
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Accreditation requirements and an outline of the moderation system that applies to this
standard are outlined in the Accreditation and Moderation Action Plan (AMAP). The
AMAP also includes useful information about special requirements for organisations
wishing to develop education and training programmes, such as minimum qualifications for
tutors and assessors, and special resource requirements.
Comments on this unit standard
Please contact the Primary Industry Training Organisation www.primaryito.ac.nz if you
wish to suggest changes to the content of this unit standard.
 New Zealand Qualifications Authority 2016