NZQA registered unit standard
Title
28698 version 1
Page 1 of 6
Operate a bitumen distributor for blending and applying bituminous binders
Level
Purpose
4 Credits 22
People credited with this unit standard are able to: plan and prepare for the application of bituminous binders; inspect and maintain bitumen distributor equipment; apply bituminous binders to pavement surfaces; and prepare for and carry out transfer and blending operations using a bitumen distributor.
*
Classification Infrastructure Works > Bitumen Surfacing Construction
Available grade Achieved
Explanatory notes
1 The following legislation, codes of practice, guidelines, and specifications apply to this unit standard and must be complied with
Hazardous Substances and New Organisms Act 1996;
Health and Safety in Employment Act 1992;
Land Transport Act 1998;
Resource Management Act 1991;
Traffic Regulations 1976;
Land Transport Rule: Dangerous Goods 2005 (Rule 45001/1) amendment 2010,
45001/2, and amendment 2011 45001/3
NZS 5433F:2007 Transport of Dangerous Goods on Land , Standards New Zealand at http://www.standards.co.nz
;
The Official New Zealand Truck Loading Code: Code of Practice for the Safety of
Loads on Heavy Vehicles, 2010 , New Zealand Transport Authority, available at http://www.nzta.govt.nz/resources/ ;
The Safe Handling of Bituminous Materials Used in Roading
– Code of Practice RNZ
9904:2006 , Roading New Zealand, available for purchase at http://www.nzcontractors.co.nz/ ;
Bitumen Burns Card , Roading New Zealand, available at http://www.roadingnz.org.nz/sites/roadingnz.org.nz/files/Burns_card_04-04-2011.pdf
The Bitumen Safety Handbook , Roading New Zealand, available for purchase at http://www.nzcontractors.co.nz/ ;
BCA Emergency Procedure Guide – Transport Card , Roading New Zealand, available on request at http://www.nzcontractors.co.nz
;
RNZ E/2:97 Performance of Bitumen Distributors , Roading New Zealand, available on request at http://www.nzcontractors.co.nz
;
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.nzcontractors.co.nz.
;
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SSB Code 101813
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New Zealand Qualifications Authority 2020

NZQA registered unit standard 28698 version 1
Page 2 of 6
Bitumen Emulsion Users Guide , Roading New Zealand, available at http://www.nzcontractors.co.nz
;
Best practice guidelines for working at height in New Zealand, April 2012, Ministry of
Business, Innovation and Employment available at http://www.business.govt.nz/healthandsafetygroup/information-guidance/allguidance-items/best-practice-guidelines-for-working-at-height-in-newzealand/working-height.pdf
;
NZTA M1: Specification for Roading Bitumens, New Zealand Transport Agency specifications at http://www.nzta.govt.nz/resources/ ;
Bitumen distributor QA manual;
Contract quality plans.
2 Range
Assessment against this unit standard must be based on evidence from working with a bitumen distributor of Type A, B, or C as designated by RNZ E/2:97 ; evidence is required of handling and spraying – hot bitumen, emulsion, PMB binders.
3 Competence in this unit standard requires compliance with the bitumen distributor
QA manual as provided by the manufacturer or company.
4 Definitions
Company procedures refers to all documented policies, procedures, and methodologies of the candidate’s employer at the time of training, including but not limited to those relating to health, safety, environment, quality, and operations.
PMB means polymer modified bitumen.
Outcome 1
Plan and prepare for the application of bituminous binders.
Evidence requirements
1.1 Planning for application of bituminous binder and deployment of resources is carried out in accordance with company procedures.
Range location, limits, start and finish, binder type and quantity, communication with relevant parties; binder temperature, application rates, run pattern, change on run.
1.2 Sampling, testing, and quality control to comply with specific contract requirements are planned in accordance with company procedures.
Range samples and quality documentation are prepared for two contracts.
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NZQA registered unit standard
1.3
28698 version 1
Page 3 of 6
Following disruption to plan, binder application operations are rescheduled in accordance with company procedures.
Range disruption caused by at least one of
– weather, material delays, plant breakdown, surfacing fault; rescheduling must take account of – plugging in, storage temperature, redosing of adhesion agent and/or kerosene.
1.4 Protection of worksite and public from overspray is arranged or confirmed in accordance with company procedures.
1.5 Compatibility of residual binder in tank and binder to be loaded are determined from documentation and/or simple test and/or checking with supplier.
1.6 Binder is loaded in accordance with distributor QA manual and company procedures, and documentation is completed in accordance with legislation.
Range loaded – at plant, at work site in exclusion zone with signage.
1.7 Binder is transported to work site in accordance with legislation and company procedures.
Range binder temperature and viscosity are monitored to maintain quality required for delivery and application.
Outcome 2
Inspect and maintain bitumen distributor and equipment.
Evidence requirements
2.1 Mandatory bitumen distributor Certificate of Compliance with RNZ/E2 and spray application rate chart is confirmed as being current.
is sighted
2.2 Bitumen distributor is inspected for maintenance requirements, and routine maintenance is carried out in accordance with distributor QA manual.
Maintenance is recorded in accordance with company procedures.
2.3
Range inspection must take place in an exclusion zone and where relevant take account of
– confined space, working at height; routine maintenance excludes – hotwork, work inside tank.
Hoses and couplings are inspected for current certification and for wear and tear, and are replaced if necessary, in accordance with company procedures.
2.4 Tank, equipment, and additive containers are inspected for water contamination, and procedures for dealing with contamination are followed in accordance with RNZ 9904:2006 .
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2.5
28698 version 1
Page 4 of 6
Prestart safety check is carried out in accordance with distributor QA manual, company procedures, and The Bitumen Safety Handbook .
Range safety equipment, cleanliness, leaks, fuel, oil, grease, water, engine controls and gauges, equipment controls and instruments.
2.6 Spray bar is inspected prior to use in accordance with Chapters 5 and 6 of the
Roading NZ Code of Practice BCA 9904:2006 and distributor QA manual .
Range includes but is not limited to
– circulating bar, check for leaks after warmed up.
Outcome 3
Apply bituminous binders to pavement surfaces.
Range first coat, reseal, two coat, racked-in, sandwich, rejuvenation.
Evidence requirements
3.1 Pumping and spraying equipment is calibrated to meet contract specification in accordance with spray chart and RNZ/E2 .
Range provision is made to correct spring deflection and truck body roll.
3.2 Binder temperature and volume are measured and recorded in accordance with contract specifications and company procedures.
3.3 Timing of spray runs and reloading of binder are coordinated with delivery of chip to optimise resource use in accordance with company procedures.
Range evidence is required of communication with chip trucks and binder plant or tanker.
3.4 Binder application rates are calculated and recorded in accordance with company procedures.
3.5 Binder is applied in accordance with bitumen distributor QA manual to meet requirements of contract quality plan.
Range setting and adjusting during spraying – application rate, spray width (number of nozzles), spray bar lateral position relative to the truck;
3.6 Hand lance is set up in accordance with operating manual, and used to apply binder evenly to meet target application rate.
3.7 Spray starts, finishes, and joints meet parameters in accordance with company procedures.
3.8 When operations are safely completed, site and equipment are cleaned in accordance with company procedures and environmental safety requirements.
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NZQA registered unit standard 28698 version 1
Page 5 of 6
Outcome 4
Prepare for and carry out transfer and blending operations using a bitumen distributor.
Evidence requirements
4.1
4.2
Transfer and blending sites are selected in accordance with RNZ 9904:2006.
Compatibility of residual binder in tank and binder to be loaded are determined from documentation, and confirmed by a simple mixing test in accordance with company procedures.
4.3 Transfer of binder is carried out in accordance with Chapter 6 in
9904:2006, BCA E/2 and distributor QA manual.
RNZ
Range transfer
– from distributor, to distributor, to or from static tank; unauthorised persons are clear of the designated transfer area.
4.4 Blending of binders is carried out in accordance with distributor QA manual and
RNZ 9904:2006 and recorded in accordance with legislation and company procedures.
Range hot bitumen, emulsion, PMB, kerosene, AGO, adhesion agent, latex.
4.5 When operations are safely completed, site and equipment are cleaned in accordance with company procedures and environmental safety requirements.
Range evidence is required of purging distributor transfer equipment of
– emulsion before hot binder, hot binder before emulsion, changing from any one product to any one other product.
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.
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NZQA registered unit standard 28698 version 1
Page 6 of 6
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 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
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New Zealand Qualifications Authority 2020