Page 1 of 5 Title Demonstrate knowledge of bitumen handbar sprayers and operations Level 3 Credits 5 Purpose This unit standard is for people working in the pavement surfacing industry. People credited with this unit standard are able to demonstrate knowledge of: features of a bitumen handbar sprayer; health and safety hazards and adverse effects on the environment associated with bitumen handbar sprayer operations and describe requirements for their control; preparations for, and operation of, transfer, heating, circulating, and spraying equipment on a bitumen handbar sprayer; bitumen handbar sprayer equipment inspection and maintenance; and bitumen handbar sprayer support plant. Classification Pavement Surfacing > Chipseal Surfacing Available grade Achieved Explanatory notes 1 The following legislation and requirements apply to this unit standard, and must be complied with: Hazardous Substances and New Organisms Act 1996; Land Transport Rule: Dangerous Goods 2005 (Rule 45001/1) and amendment 2010 45001/2, available at http://www.nzta.govt.nz/resources/rules/dangerous-goodsamendment-2010.html; The Safe Handling of Bituminous Materials Used in Roading Code of Practice RNZ 9904:2006, Roading New Zealand, available for purchase at http://www.roadingnz.org.nz/; The Bitumen Safety Handbook, Roading New Zealand, available for purchase at http://www.roadingnz.org.nz/; Chipsealing in New Zealand, New Zealand Transport Agency, available at http://www.nzta.govt.nz/resources/rules/dangerous-goods-amendment-2010.html; Bitumen handbar sprayer manufacturer s manual. Any legislation or other requirements superseding any of the above will apply, pending the review of this unit standard. 2 Assessment against this unit standard may be based on evidence from a workplace and/or provider context.
Page 2 of 5 3 Definitions Bitumen handbar sprayer, means a tank wagon or trailer specifically built for hand spraying bituminous materials on pavement surfaces, and excludes gangbar types. 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. Outcomes and evidence requirements Outcome 1 Demonstrate knowledge of features of a bitumen handbar sprayer. 1.1 Safety equipment is located and identified on a bitumen handbar sprayer and its operation is described in accordance with the Code of Practice RNZ 9904:2006, and the bitumen handbar sprayer manufacturer s manual. 1.2 Bitumen handbar sprayer tank components are located and identified, and their purpose and operation are described in accordance with the bitumen handbar sprayer manufacturer s manual. components include but are not limited to access hatch, internal pipework, heaters, valves, dipstick, thermometer pockets. 1.3 Bitumen heating, pumping, spraying, and flushing systems and their controls on a handbar sprayer are located and identified, and their purpose and operation are described in accordance with The Bitumen Safety Handbook and the bitumen handbar sprayer manufacturer s manual. equipment includes but is not limited to pressure regulation. Outcome 2 Demonstrate knowledge of health and safety hazards and adverse effects on the environment associated with bitumen handbar sprayer operations and describe requirements for their control. operations include bitumen transferring, heating, circulating, spraying. 2.1 Health hazards and the procedures and equipment to control them are procedures 2.2 Safety hazards and the procedures and equipment to control them are procedures. includes but is not limited to access into tanks.
Page 3 of 5 2.3 Adverse effects on the environment and the procedures and equipment to control them are described in accordance with Code of Practice RNZ 9904:2006 and company procedures. 2.4 Monitoring of health, safety, and adverse effects on the environment is described in terms of company procedures and legislation. 2.5 Causes and prevention of water contamination of hot bitumen are described in accordance with Code of Practice RNZ 9904:2006 and company procedures. includes but is not limited to process of adding additives. 2.6 Procedures for determining whether tanks and equipment have been contaminated with water and for dealing with water contamination of hot bitumen are described in accordance with Code of Practice RNZ 9904:2006 and company procedures. 2.7 Criteria for the selection of suitable sites for transferring and heating bitumen in the field are described in accordance with company procedures. 2.8 Procedures for dealing with emergencies during transfer, circulation, heating, or spraying of bitumen are described in terms of personal safety, public safety, environmental safety, fire fighting, control of spillage, security, and communications, in accordance with Code of Practice RNZ 9904:2006 and company procedures. emergencies include but are not limited to explosion, fire, bitumen spill, tank rupture, electrical fault, mechanical malfunction. Outcome 3 Demonstrate knowledge of preparations for, and operation of, transfer, heating, circulating, and spraying equipment on a bitumen handbar sprayer. 3.1 Preparations for, and operation of, bitumen handbar sprayer transfer equipment are described in accordance with Code of Practice RNZ 9904:2006, the bitumen handbar sprayer manufacturer s manual, and company procedures transfer of hot cutback bitumen, emulsified bitumen; transfer from storage tank, road tank wagon; transfer to another tank. 3.2 Preparations for, and operation of, bitumen handbar sprayer heating and circulating equipment are described in accordance with The Bitumen Safety Handbook and the bitumen handbar sprayer manufacturer s manual.
Page 4 of 5 3.3 Parameters for heating bulk bituminous liquids are detailed in accordance with spray temperature charts in Code of Practice RNZ 9904:2006, and the effects on binder of incorrect operation of the heating equipment are explained. parameters include but are not limited to spraying temperatures, limitations on heating rates, maximum temperatures; effects too rapid heating, slow overheating, rapid overheating; liquids straight bitumen 80/100, straight bitumen 180/200, 5 parts per 100 kerosene, 10 parts per 100 kerosene, 20 parts per 100 kerosene, standard cationic or anionic emulsified bitumen. 3.4 Preparations for, and operation of bitumen handbar spraying equipment are described in accordance with company procedures, Code of Practice RNZ 9904:2006, and bitumen handbar sprayer manufacturer s manual. Outcome 4 Demonstrate knowledge of bitumen handbar sprayer equipment inspection and maintenance. 4.1 Maintenance inspection of bitumen handbar sprayer equipment is described in accordance with The Bitumen Safety Handbook and the bitumen handbar sprayer s manual. inspection includes but is not limited to first aid equipment, tank, valves, bitumen pump, pipework, hoses, handbar, spray nozzle, bitumen filter (if fitted), heating system, bitumen pump. 4.2 Requirements for reporting specialist maintenance requests are described in accordance with Code of Practice RNZ 9904:2006 and company procedures. 4.3 Processes for clearing blockages in handbar sprayer valves and pipework are procedures. 4.4 Processes for emptying, flushing, and decontaminating bitumen handbar sprayer equipment, and disposal of waste materials are described in accordance with The Bitumen Safety Handbook, the bitumen handbar sprayer manufacturer s manual, and company procedures. equipment tank, hoses, pipes, handbar.
Page 5 of 5 Outcome 5 Demonstrate knowledge of bitumen handbar sprayer support plant. support plant bitumen storage, heating, and blending facility, bitumen tank wagon. 5.1 Support plant is described in terms of layout. 5.2 Support plant is described in terms of operation. Planned review date 31 December 2016 Status information and last date for assessment for superseded versions Process Version Date Last Date for Assessment Registration 1 25 May 2007 31 December 2013 Review 2 15 March 2012 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 (CMR). 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 askus@infratrain.co.nz if you wish to suggest changes to the content of this unit standard.