27501 Demonstrate knowledge of protection and support

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NZQA registered unit standard
27501 version 1
Page 1 of 3
Title
Demonstrate knowledge of protection and support systems for
excavation on an infrastructure works site
Level
3
Credits
2
Purpose
People credited with this unit standard are able to: describe
protection and support systems used for excavation safety, and
explain reasons for the selection of a specific protection and
support systems on an infrastructure works site.
Classification
Infrastructure Works > Generic Infrastructure Works
Available grade
Achieved
Explanatory notes
1
Assessment against this unit standard must be based on evidence from a workplace
context. Assessment parameters will be dependent on company and site specific
equipment, procedures, and practices. Practices must reflect industry best practice
and comply with legislative requirements.
2
It is recommended that this unit standard is achieved before unit standard 27502.
3
Definitions
Battering also refers to sloping
Company requirements include the policy, procedures, and methodologies of the
company. They include legislative and regulatory requirements which may apply
across the company or to 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.
Double and single slide shoring is also referred to as double slide rail and single slide
rail.
Industry best practice refers to minimum standards for works as described in codes
of practice, guidelines, contract specifications, and manuals relevant to specific types
of work. These may include operation manuals for specific equipment.
Protection and support systems for excavation and trench safety include shoring,
benching, battering, and shielding.
Outcomes and evidence requirements
Outcome 1
Describe protection and support systems used for excavation safety on an infrastructure
works site.
Infrastructure ITO
SSB Code 101813
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
27501 version 1
Page 2 of 3
Evidence requirements
1.1
Shoring and shielding are described.
Range
1.2
two types of shoring: may include but not limited to - sheet piling,
trench boxes, double slide, single slide, waling, caissons
two types of shielding: may include but not limited to – aluminium,
steel, drag shield, modular.
Benching and battering are described.
Outcome 2
Explain reasons for the selection of specific protection and support systems on an
infrastructure works site.
Evidence requirements
2.1
Reasons for selecting specific protection and support systems are explained.
Range
reasons include: environmental conditions (including space
available and ground conditions), industry best practice, company
requirements, contractual requirements.
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
21 July 2011
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
27501 version 1
Page 3 of 3
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 Infrastructure ITO [email protected] if you wish to suggest changes to
the content of this unit standard.
Infrastructure ITO
SSB Code 101813
 New Zealand Qualifications Authority 2016
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