NZQA registered unit standard
28726 version 1
Page 1 of 4
Title
Operate a water-jet unit for infrastructure works
Level
3
Credits
10
Purpose
People credited with this unit standard are able to: prepare for
water-jetting operations; operate a water-jetting unit; and refuel
and park vehicle, and secure and inspect vehicle and waterjetting equipment.
Classification
Infrastructure Works>Infrastructure Works Equipment
Available grade
Achieved
Entry information
Critical health and
safety prerequisites
Class of driver licence required for the vehicle being driven.
Explanatory notes
1
The following legislation, regulations, and requirements must be complied with:
Health and Safety in Employment Act 1992; The Health Act 1956, Health (Drinking
Water) Amendment Act 2007, Health and Safety in Employment Regulations 1995;
and territorial authority requirements.
2
Assessment against this unit standard must take place in a workplace environment.
Assessment parameters will depend on company and site specific equipment,
procedures, and practices. Practices must reflect industry best practice and comply
with legislative requirements.
3
Definitions
Company requirements include the policy, procedures, and methodologies of the
company. They include legislative and regulatory requirements applicable to the
company or a specific site. Requirements are documented in the company’s health
and safety plans, traffic management plans, contract work programmes, quality
assurance programmes, policies, and procedural documents.
Contract specifications include plans, diagrams, and special technical conditions.
They do not include special administrative conditions.
Job instructions are those given to the operator before undertaking a job. They may
include site safety instructions, contract drawings, and written memos.
Manufacturer’s instructions may include specifications, installation, handling, use and
maintenance instructions, and safety data sheets.
Water-jetting may also be referred to as hydro-blasting or flushing.
Infrastructure ITO
SSB Code 101813
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28726 version 1
Page 2 of 4
Outcomes and evidence requirements
Outcome 1
Prepare for water-jetting operations.
Evidence requirements
1.1
Locations to be serviced are confirmed in accordance with job instructions.
Range
access to pipework, traffic management plan.
1.2
Parties affected by site works are identified and notified in accordance with
contract requirements and company procedures.
1.3
Method of water-jetting is confirmed in accordance with job instructions.
Range
1.4
provision for pipe material, location of other underground services,
condition of pipe, maximum pressure.
Sequence of work is described in accordance with contract specifications and
company requirements.
Range
may include but is not limited to – working with additional
equipment such as CCTV and vacuum trucks, number of passes.
1.5
Surrounding area is checked and site is made secure in accordance with
company requirements.
1.6
Vehicle is checked for currency of licence and registration.
Range
1.7
Vehicle and equipment pre-start check is undertaken before start-up in
accordance with company requirements.
Range
1.8
road user charge, certificate of fitness, certificate of loading.
fuel, oil, water, grease, hydraulic oil, minor repairs.
Water-jet unit is inspected for operability before start-up in accordance with
company requirements.
Range
couplings, valves, holding tank, water tank, hoses, auxiliary
motors, control systems, jetting nozzles.
Outcome 2
Operate a water-jetting unit.
Infrastructure ITO
SSB Code 101813
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28726 version 1
Page 3 of 4
Evidence requirements
2.1
Water tank is filled in accordance with company procedures and regulatory
requirements.
may include but is not limited to – holding tanks, fire hydrants,
water cart.
Range
2.2
Water-jet is operated in accordance with manufacturer's instructions, contract
specifications, and company requirements.
includes but is not limited to – selection of nozzles, water
pressure, capture and removal of debris, safety, cleanliness of the
pipe, prevention of back flow.
Range
Outcome 3
Refuel and park vehicle, and secure and inspect vehicle and water-jetting equipment.
Evidence requirements
3.1
Vehicle is refuelled and oils are checked in accordance with company
requirements.
3.2
Vehicle is safely parked, and vehicle and water-jetting equipment are secured in
accordance with company requirements.
Range
3.3
securing may include ensuring safety of temporary worksite.
Vehicle and water-jetting equipment are inspected and any faults are reported
in accordance with company requirements.
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.
Infrastructure ITO
SSB Code 101813
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28726 version 1
Page 4 of 4
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
SSB Code 101813
 New Zealand Qualifications Authority 2016