NZQA registered unit standard
21663 version 3
Page 1 of 6
Title
Describe and operate pipejacking and microtunnelling equipment in
an underground operation
Level
4
Credits
20
Purpose
People credited with this unit standard are able to: describe the
ground conditions, geology, soil, and rock associated with
pipejacking and microtunnelling operations; describe the
operational characteristics and performance of pipejacking and
microtunnelling equipment; describe the safety requirements
for working with pipejacking and microtunnelling operations and
equipment; describe the processes for maintaining and
monitoring ground stability in pipejacking and microtunnelling
operations; manage electrical, hydraulic, and compressed air
energy reticulation systems and equipment used in pipejacking
and microtunnelling operations; and carry out end-of-shift
shutdown procedures and documentation requirements for
pipejacking and microtunnelling operations, in an underground
operation.
Classification
Extractive Industries > Underground Extraction
Available grade
Achieved
Explanatory notes
1
Performance of the outcomes of this unit standard must comply with the following:
Health and Safety in Employment Act 1992;
Health and Safety in Employment Regulations 1995;
Health and Safety in Employment (Mining Operations and Quarrying Operations)
Regulations 2013;
Hazardous Substances and New Organisms Act 1996;
Hazardous Substances (Classes 1 to 5 Controls) Regulations 2001;
Hazardous Substances (Identification) Regulations 2001;
Hazardous Substances (Packaging) Regulations 2001;
Hazardous Substances (Disposal) Regulations 2001;
Hazardous Substances (Emergency Management) Regulations 2001;
Hazardous Substances (Tracking) Regulations 2001.
2
Any new, amended or replacement Acts, regulations, standards, codes of practice,
guidelines, or authority requirements or conditions affecting this unit standard will take
precedence for assessment purposes, pending review of this unit standard.
3
Definitions
Company procedures mean the documented methods for performing work activities
and include health and safety, operational, environmental, and quality management
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
21663 version 3
Page 2 of 6
requirements. They may refer to legislation, regulations, guidelines, standard
operating procedures, manuals, codes of practice, or policy statements.
Industry best practice may be documented in management plans, control plans,
company procedures, managers’ rules, occupational health and safety policy,
industry guidelines, codes of practice, manufacturers’ instructions, and safe working
and/or job procedures (or equivalent).
PPE refers to personal protective equipment.
4
An underground operation includes extractive or tunnelling operations.
5
The Pipe Jacking Association (UK) guideline relevant to this unit standard is
Tunnelling and Pipejacking: Guidance for Designers - Internal dimensions for
pipejacks and tunnels below 3m diameter and indicative drive lengths, Health &
Safety Executive, British Tunnelling Society, Pipe Jacking Association, available at
http://www.hse.gov.uk/construction/.
Outcomes and evidence requirements
Outcome 1
Describe the ground conditions, geology, soil, and rock associated with pipejacking and
microtunnelling operations.
Evidence requirements
1.1
The ground conditions and geology for underground operations are described in
terms of the use of the pipejacking and microtunnelling equipment and
methods.
Range
1.2
includes but is not limited to – unconsolidated ground, old tip
areas, geological structures and features, weak zones, access
shaft sinking.
Soil and rock types at underground operations are described in terms of their
general strength and behaviour.
Outcome 2
Describe the operational characteristics and performance of pipejacking and
microtunnelling equipment.
Evidence requirements
2.1
The performance and specifications of pipejacking and microtunnelling
equipment are described in terms of its operation at an underground site.
2.2
Equipment is identified and matched in accordance with planning requirements
and job conditions.
Range
may include but is not limited to – pipejacking and microtunnelling
equipment, tunnel boring machines (TBM), guidance systems,
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
21663 version 3
Page 3 of 6
laser sights, pipes, hoses, connections, anchors, lubrication,
interjacks, shafts, separation plants.
2.3
The set-up and equipment operational procedures are described in accordance
with manufacturer’s specifications and company procedures.
Range
2.4
includes but is not limited to – surface plant, set-up, pre-start
checks, ventilation, survey sights, energy supply, access,
equipment availability, operation.
Excavation and spoil removal and processing are described in accordance with
industry best practice and company procedures.
Range
may include but is not limited to – surface located equipment,
pipejacking, microtunnelling, surface processing and waste
disposal, slurry systems, pumps, sludge ponds, waste dumps.
Outcome 3
Describe the safety requirements for working with pipejacking and microtunnelling
operations and equipment.
Evidence requirements
3.1
Safety requirements are described in accordance with legislation, industry best,
practice and company procedures.
Range
3.2
Isolation procedures are described in terms of the requirements for pipejacking
and microtunnelling operations.
Range
3.3
includes but is not limited to – lockouts and tag systems, placing
and lifting isolations, reporting.
Access procedures to manage confined space working areas and inundation
are described in terms of the requirements for pipejacking and microtunnelling
operations.
Range
3.4
includes but is not limited to – hazard identification and control,
safety features of the equipment, signs, barriers, alarms,
communication, gas monitoring, ventilation, fire protection,
hazardous substances, PPE, emergency provisions, emergency
procedures.
includes but is not limited to – Pipe Jacking Association (UK)
guideline, working around and over energised equipment, face
isolation, head interventions, compressed air work.
Crane safety in shaft operations is described in terms of the requirements for
pipejacking and microtunnelling operations.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
Range
21663 version 3
Page 4 of 6
includes but is not limited to – lift plans, crane and rigging safety
inspections, rigging and dogman understanding, working around
suspended loads.
Outcome 4
Describe the processes for maintaining and monitoring ground stability in pipejacking and
microtunnelling operations.
Evidence requirements
4.1
The processes for monitoring and maintaining ground stability are described in
accordance with industry best practice and company procedures.
Range
includes but is not limited to – shaft sinking and maintenance,
water content and inflow, slumping, side and roof failure, fissures
and weak zones, surface deformation.
Outcome 5
Manage electrical, hydraulic, and compressed air energy reticulation systems and
equipment used in pipejacking and microtunnelling operations.
Evidence requirements
5.1
The components, equipment, and operation of electrical reticulation are
managed in accordance with the manufacturer’s specifications, plant operation
plan, industry best practice, and company procedures.
Range
5.2
The components, equipment, and operation of compressed air systems are
managed in accordance with the manufacturer’s specifications, plant operation
plan, industry best practice, and company procedures.
Range
5.3
includes but is not limited to – air power, compressors, motors,
valves, sensors, water traps, receivers, pipes, connectors,
filtration, leakage, seals.
The components, equipment, and operation of hydraulic systems are managed
in accordance with the manufacturer’s specifications, plant operation plan,
industry best practice, and company procedures.
Range
5.4
includes but is not limited to – cables, joint boxes, connectors,
lighting, signalling systems, switchgear, circuit breakers,
transformers, circuits, fault display, instruments.
includes but is not limited to – oil power, pumps, motors, valves,
sensors, pipes, connectors, filtration, leakage, seals, flammability,
environmental considerations.
The guidance of TBMs using lasers, GPS and other systems are managed in
accordance with manufacturer’s specifications, plant operation plan, industry
best practice and company procedures.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
21663 version 3
Page 5 of 6
Outcome 6
Carry out end-of-shift shutdown procedures and documentation requirements for
pipejacking and microtunnelling operations.
Evidence requirements
6.1
The plant and equipment is shut down in accordance with the manufacturer’s
specifications, plant operation plan, industry best practice, and company
procedures.
6.2
Face stability management and monitoring procedures are carried out in
accordance with plant operation plan, industry best practice, and company
procedures.
6.3
Defects are reported in accordance with industry best practice and company
procedures.
includes but is not limited to – plant and associated equipment
inspections, hazard inspections, reports, maintenance.
Range
6.4
Documentation is completed in accordance with company procedures.
includes but is not limited to – plant operator log sheets, hazard
reports, defect reports.
Range
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
27 June 2005
31 December 2017
Review
2
21 August 2009
31 December 2017
Review
3
18 June 2015
N/A
Consent and Moderation Requirements (CMR) reference
0114
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.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
21663 version 3
Page 6 of 6
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 the NZ Motor Industry Training Organisation (Incorporated) (MITO)
info@mito.org.nz if you wish to suggest changes to the content of this unit standard.
NZ Motor Industry Training Organisation
(Incorporated) (MITO)
SSB Code 101542
 New Zealand Qualifications Authority 2016