NZQA registered unit standard
17741 version 4
Page 1 of 4
Title
Demonstrate specialist underground survey techniques
Level
6
Credits
15
Purpose
People credited with this unit standard are able to: set sight
lines; set up laser for vertical and horizontal control; profile
underground openings; transfer bearings, position and level
into a mine; and monitor movement in the mine.
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 (HSE);
Health and Safety in Employment Regulations 1995;
Health and Safety in Employment (Mining Operations and Quarrying Operations)
Regulations 2013;
Approved codes of practice issued pursuant to the HSE Act available at
http://www.business.govt.nz/worksafe/information-guidance/approved-codes-ofpractice-acops.
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
Mine refers to all types of underground mines and tunnels.
Company procedures mean the documented methods for performing work activities
and include health and safety, operational, environmental, and quality management
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).
Outcomes and evidence requirements
Outcome 1
Set sight lines in the mine.
MITO New Zealand Incorporated
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
17741 version 4
Page 2 of 4
Evidence requirements
1.1
Sights are placed in a position where they would be subjected to and/or create
minimal disturbance.
1.2
Sight lines are placed in accordance with the mine design plan.
Range
1.3
sight lines, sight pegs, grade sticks
Sight lines are checked and verified as accurate within the mine design plan.
Range
sight lines, re-check origin.
Outcome 2
Set up laser for vertical and horizontal control in the mine.
Evidence requirements
2.1
Laser is installed and surveyed in accordance with the mine design plan.
2.2
Laser alignment and target is proven in accordance with the mine design plan.
2.3
The positions of the target and laser are checked and verified as accurate.
Outcome 3
Profile underground openings.
Range
includes – stopes, drives, caverns.
Evidence requirements
3.1
Total station and void scanner/cavity monitoring system (CMS) profiles are
carried out in accordance with the mine specifications.
3.2
Profile plans and digital data sets are updated and prepared in accordance with
mine specifications.
3.3
Volume calculations are determined in accordance with profile and design.
Outcome 4
Transfer bearings, position and level into a mine.
Range
includes – shaft, drive.
Evidence requirements
4.1
The bearing transfer is observed by one method and verified by a second
method or independent observation to tolerance in accordance with industry
best practice.
MITO New Zealand Incorporated
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
17741 version 4
Page 3 of 4
4.2
The coordinate transfer is defined and verified to tolerances in accordance with
industry best practice.
4.3
The level transfer is observed, calculated, and closed in accordance with the
tolerance and industry best practice.
Outcome 5
Monitor movement in the mine.
Range
includes – subsidence, convergence.
Evidence requirements
5.1
Convergence of walls and roof are determined as required in accordance with
company procedures.
5.2
Results of convergence analysis are presented in accordance with company
procedures.
5.3
The topographical surface subsidence is determined as required in accordance
with company procedures.
5.4
Results of subsidence analysis are presented in accordance with company
procedures and industry best practice.
Planned review date
31 December 2020
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
25 November 2000
31 December 2017
Review
2
24 November 2005
31 December 2017
Rollover and
Revision
3
16 July 2010
31 December 2017
Review
4
20 August 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.
MITO New Zealand Incorporated
SSB Code 101542
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
17741 version 4
Page 4 of 4
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 MITO New Zealand Incorporated info@mito.org.nz if you wish to suggest
changes to the content of this unit standard.
MITO New Zealand Incorporated
SSB Code 101542
 New Zealand Qualifications Authority 2016