NZQA registered unit standard
28722 version 1
Page 1 of 3
Title
Confirm alignment and reinstate gravity pipes and structures to
correct line and level
Level
4
Credits
4
Purpose
People credited with this unit standard are able to confirm the
alignment of existing gravity pipes and structures, and reinstate
non-aligned gravity pipes and structures to the correct line and
level.
Classification
Infrastructure Works > Infrastructure Works Utilities
Available grade
Achieved
Explanatory notes
1
The following legislation and requirements apply to this unit standard, and must be
complied with: Health and Safety in Employment Act 1992; Territorial authority
requirements.
2
Assessment against this unit standard must be based on evidence from a workplace
context.
3
Definitions
Alignment includes the horizontal line and grade of a pipe, and position and level of a
structure. For structures, determining alignment involves identifying the correct
position or level of the structure to ensure that the structure is functioning correctly,
within the system.
Company requirements include the policy, procedures, and methodologies of the
company. They include legislative and regulatory requirements, standards, and
codes of practice 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.
Outcomes and evidence requirements
Outcome 1
Confirm the alignment of existing gravity pipes and structures.
Evidence requirements
1.1
The line and level of existing pipes and structures is confirmed in accordance
with company requirements.
Infrastructure ITO
SSB Code 101830
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28722 version 1
Page 2 of 3
1.2
The extent of non-aligned pipes and structures is determined in accordance
with company requirements.
1.3
Equipment is identified and described in relation to uses in confirming the
alignment of existing gravity pipes and structures.
equipment – laser level, dumpy level, flexible hose, smart level,
boning rods, spirit level.
Range
Outcome 2
Reinstate non-aligned gravity pipes and structures to the correct line and level.
Range
evidence is required for realigning one pipe and one structure. The pipes and
structure may be for wastewater or stormwater systems.
Evidence requirements
2.1
The method of reinstatement is determined in accordance with company
requirements.
Range
remove and replace, repair.
2.2
Bedding material is laid, as required, in accordance with contract specifications
and company procedures to allow pipes and fittings to be installed in
accordance with contract specifications, territorial authority requirements, and
manufacturer’s instructions.
2.3
Pipes and structures are reinstated in accordance with company requirements.
2.4
Testing is carried out in accordance with company requirements to determine
that installed pipes and fittings function within tolerances in contract
specifications and/or territorial authority requirements.
Range
low-pressure air tests, water tests, high-pressure water test,
hydrostatic test, closed circuit television;
two types of tests are required.
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.
Infrastructure ITO
SSB Code 101830
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28722 version 1
Page 3 of 3
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.
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 Infrastructure ITO qualifications@infrastructureito.org.nz if you wish to
suggest changes to the content of this unit standard.
Infrastructure ITO
SSB Code 101830
 New Zealand Qualifications Authority 2016