NZQA registered unit standard
28679 version 1
Page 1 of 3
Title
Demonstrate knowledge of bituminous surfacings and their uses
Level
4
Credits
6
Purpose
People credited with this unit standard are able to demonstrate
knowledge of bituminous surfacings and their uses.
Classification
Infrastructure Works > Generic Bituminous Surfacing
Available grade
Achieved
Explanatory notes
1
Competence in this unit standard requires knowledge of the current editions of the
following references:
New Zealand Transport Agency specifications available at
http://www.nzta.govt.nz/resources/:
NZTA M1: Specification for Roading Bitumens;
NZTA M6: Specification for Sealing Chip;
NZTA M6 Notes: Notes on Specification for Sealing Chip;
NZTA M10: Specification for Dense Graded and Stone Mastic Asphalts
NZTA M13: Specification for Adhesion Agents;
NZTA M13 Notes: Notes to Specification for Adhesion Agents;
NZTA P3: Specification for First Coat Sealing;
NZTA P4: Specification for Resealing;
NZTA P11: Specification for Open Graded Porous Asphalt;
NZTA P11 Notes: Notes to the Specification for Open Graded Porous Asphalt;
NZTA P17: Performance Based Specification for Reseals;
NZTA P23: Performance Based Specification for Hotmix Asphalt Wearing Course
Surfacing;
Chipsealing in New Zealand, New Zealand Transport Agency, available at
http://www.nzta.govt.nz/resources/chipsealing-new-zealand-manual/.
2
Definitions
OGPA means open graded porous asphalt.
SMA means stone mastic asphalt.
UTA means ultra thin asphalt.
Outcomes and evidence requirements
Outcome 1
Demonstrate knowledge of bituminous surfacings and their uses.
Infrastructure ITO
SSB Code 101813
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28679 version 1
Page 2 of 3
Evidence requirements
1.1
Types of bituminous mixes are defined, and where and why they are used is
explained in accordance with NZTA specifications.
types – dense graded, SMA, OGPA, UTA, tack coat;
binders for these mixes.
Range
1.2
Types of chipseals are defined and where and why they are used is explained
in accordance with NZTA specifications.
types – membrane seals, first coat, reseal, crack seals, texturising,
void fills;
binders for these seals.
Range
1.3
Types of slurry and micro-surfacings are defined and where and why they are
used is explained in accordance with NZTA specifications.
types –slurry types 1 to 4, emulsified, sand, cape seal, microsurfacing;
binders for these products;
seal used in cape seal and binder design.
Range
Planned review date
31 December 2019
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
19 February 2015
N/A
Consent and Moderation Requirements (CMR) reference
0101
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Please note
Providers must be granted consent to assess against standards (accredited) by NZQA,
before they can report credits from assessment against unit standards or deliver courses
of study leading to that assessment.
Industry Training Organisations must be granted consent to assess against standards by
NZQA before they can register credits from assessment against unit standards.
Providers and Industry Training Organisations, which have been granted consent and
which are assessing against unit standards must engage with the moderation system that
applies to those standards.
Requirements for consent to assess and an outline of the moderation system that applies
to this standard are outlined in the Consent and Moderation Requirements (CMRs). The
CMR also includes useful information about special requirements for organisations wishing
Infrastructure ITO
SSB Code 101813
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28679 version 1
Page 3 of 3
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 Infrastructure ITO qualifications@infrastructureito.org.nz if you wish to
suggest changes to the content of this unit standard.
Infrastructure ITO
SSB Code 101813
 New Zealand Qualifications Authority 2016