NZQA registered unit standard version 1 Page 1 of 6. Operate a bitumen distributor for blending and applying bituminous binders

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1 Page 1 of 6 Title Operate a bitumen distributor for blending and applying bituminous binders Level 4 Credits 22 Purpose * Classification 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. 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 /3 NZS 5433F:2007 Transport of Dangerous Goods on Land, Standards New Zealand at 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 The Safe Handling of Bituminous Materials Used in Roading Code of Practice RNZ 9904:2006, Roading New Zealand, available for purchase at Bitumen Burns Card, Roading New Zealand, available at The Bitumen Safety Handbook, Roading New Zealand, available for purchase at BCA Emergency Procedure Guide Transport Card, Roading New Zealand, available on request at RNZ E/2:97 Performance of Bitumen Distributors, Roading New Zealand, available on request at RNZ 9803, Quality Assurance for Bituminous Binders: A Code of Practice developed by Roading New Zealand, RNZ 9803:2013, Roading New Zealand, available at

2 Page 2 of 6 Bitumen Emulsion Users Guide, Roading New Zealand, available at Best practice guidelines for working at height in New Zealand, April 2012, Ministry of Business, Innovation and Employment available at NZTA M1: Specification for Roading Bitumens, New Zealand Transport Agency specifications at Bitumen distributor QA manual; Contract quality plans. 2 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. Outcomes and evidence requirements Outcome 1 Plan and prepare for the application of bituminous binders. 1.1 Planning for application of bituminous binder and deployment of resources is carried out in accordance with company procedures. 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. samples and quality documentation are prepared for two contracts.

3 Page 3 of Following disruption to plan, binder application operations are rescheduled in accordance with company procedures. 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. 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. binder temperature and viscosity are monitored to maintain quality required for delivery and application. Outcome 2 Inspect and maintain bitumen distributor and equipment. 2.1 Mandatory bitumen distributor Certificate of Compliance with RNZ/E2 is sighted and spray application rate chart is confirmed as being current. 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. 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. 2.3 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.

4 Page 4 of Prestart safety check is carried out in accordance with distributor QA manual, company procedures, and The Bitumen Safety Handbook. 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. includes but is not limited to circulating bar, check for leaks after warmed up. Outcome 3 Apply bituminous binders to pavement surfaces. first coat, reseal, two coat, racked-in, sandwich, rejuvenation. 3.1 Pumping and spraying equipment is calibrated to meet contract specification in accordance with spray chart and RNZ/E2. 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. 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. 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.

5 Page 5 of 6 Outcome 4 Prepare for and carry out transfer and blending operations using a bitumen distributor. 4.1 Transfer and blending sites are selected in accordance with RNZ 9904: 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 RNZ 9904:2006, BCA E/2 and distributor QA manual. 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. 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. 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 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.

6 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 qualifications@infrastructureito.org.nz if you wish to suggest changes to the content of this unit standard.