NZQA registered unit standard
28725 version 1
Page 1 of 4
Title
Operate a hydro-excavator on an infrastructure works site
Level
3
Credits
20
Purpose
People credited with this unit standard are able to: prepare to
operate and operate a hydro excavator for infrastructure works,
and refuel, park, inspect and secure a hydro-excavator.
Classification
Infrastructure Works>Civil Plant Operation
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 and regulations must be complied with: Health and Safety in
Employment Act 1992; and Health and Safety in Employment Regulations 1995.
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.
Infrastructure ITO
SSB Code 101813
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28725 version 1
Page 2 of 4
Outcomes and evidence requirements
Outcome 1
Prepare for hydro-excavator operations.
Evidence requirements
1.1
Locations to be serviced are confirmed in accordance with job instructions.
Range
1.2
soil type, cover material, access to site, traffic management plan.
Method of hydro-excavation is confirmed in accordance with job instructions.
Range
may include but is not limited to – depth of excavation,
requirements for shoring.
1.3
Sequence of work is confirmed in accordance with contract specifications and
company and regulatory requirements.
1.4
Surrounding area is checked and location of underground services is verified in
accordance with company requirements.
1.5
Vehicle is checked for currency of licence and registration.
Range
1.6
Vehicle and equipment pre-start check is undertaken before start-up in
accordance with company requirements.
Range
1.7
road user charge, certificate of fitness, certificate of loading.
fuel, oil, water, grease, hydraulic oil, minor repairs.
Hydro-excavator 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 hydro-excavator for infrastructure works.
Evidence requirements
2.1
Water tank is filled in accordance with company procedures and regulatory
requirements.
Range
Infrastructure ITO
SSB Code 101813
may include but is not limited to – holding tanks, fire hydrants,
water cart.
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
2.2
28725 version 1
Page 3 of 4
Hydro-excavator is operated in accordance with manufacturer's instructions,
contract specifications, and company requirements.
may include but is not limited to – suction, disposal, water blasting.
Range
2.3
Waste from vehicle is emptied in accordance with company and regulatory
requirements.
2.4
Holding tank is cleaned in accordance with company requirements.
Outcome 3
Refuel, park, secure, and inspect a hydro-excavator.
Evidence requirements
3.1
Hydro-excavator is refuelled and oils are checked in accordance with company
requirements.
3.2
Hydro-excavator is parked, shut down safely, and secured in accordance with
company requirements.
securing may include – ensuring safety of site for overnight
parking.
Range
3.3
Hydro-excavator is 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.
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
28725 version 1
Page 4 of 4
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