NZQA registered unit standard
28682 version 1
Page 1 of 3
Title
Describe quality control for manufacturing bituminous surfacing
products
Level
4
Credits
6
Purpose
People credited with this unit standard are able to describe
quality control for manufacturing bituminous surfacing products.
Classification
Infrastructure Works > Bitumen Product Manufacturing
Available grade
Achieved
Explanatory notes
1
Descriptions given in this unit standard must accord with the specifications in the
current editions of the following references:
RNZ 9803, Quality Assurance for Bituminous Binders: A Code of Practice developed
by Roading New Zealand, RNZ 9803:2013, Roading New Zealand, available at
http://www.roadingnz.org.nz/sites/roadingnz.org.nz/files/RNZ9803_0513_Final.pdf ;
RNZ 9805, Quality Assurance of Aggregates for Roads RNZ 9805:2009, Roading
New Zealand, available at
http://www.roadingnz.org.nz/sites/dev.roadingnz.org.nz/files/QA%20of%20Aggregate
s%20for%20Roads.pdf;
New Zealand Transport Agency specifications 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 M/10DP Amendment for use with Drum Mixing Plants
NZTA M10 Notes: Notes to the Specification Dense Graded and Stone Mastic
Asphalts
NZTA M13: Specification for Adhesion Agents;
NZTA M13 Notes: Notes to Specification for Adhesion Agents;
NZTA P11: Specification for Open Graded Porous Asphalt.
2
Definition
APAS refers to the Asphalt Plant Accreditation Scheme managed by Roading New
Zealand.
Outcomes and evidence requirements
Outcome 1
Describe quality control for manufacturing bituminous surfacing products.
Infrastructure ITO
SSB Code 101813
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28682 version 1
Page 2 of 3
Evidence requirements
1.1
Quality control for manufacturing products for bituminous surfacing is described
in terms of testing.
Range
1.2
frequency, sampling methods, testing methods, statistical process
control, calibration.
Quality control for manufacturing products for bituminous surfacing is described
in terms of record keeping.
Range
1.3
recipes, process improvements, computer backup, production
records, material usage, APAS.
Quality control for manufacturing products for bituminous surfacing is described
in terms of acceptance standards.
Range
1.4
job mix formula targets and tolerances, material property ranges,
recipe targets, physical and chemical ranges.
Quality control for manufacturing products for bituminous surfacing is described
in terms of identifying and documenting non-conformance and corrective
actions.
Range
quality assurance systems, hold points, special processes,
process improvement.
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.
Infrastructure ITO
SSB Code 101813
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28682 version 1
Page 3 of 3
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
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