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Title / Install structures for infrastructure pipelaying and carry out follow-up procedures
Level / 4 / Credits / 10
Purpose / People credited with this unit standard are able to: prepare for the installation of infrastructure pipelaying structures; install the structures; and carry out water testing procedures and rectify any deficiencies.
Classification / Infrastructure WorksGeneric Infrastructure Works
Available grade / Achieved
Explanatory notes
1Thefollowing legislation and requirements apply to this unit standard:
Health and Safety in Employment Act 1992;
Resource Management Act 1991;
Approved Code of Practice for Safety in Excavation and Shafts for Foundations (Wellington: Department of Labour, 1995) (the Excavation Code). The Excavation Code is available from http://www.business.govt.nz/worksafe;
Territorial authority requirements;
Structure manufacturer’s installation requirements;
Manufacturer’s instructions.
Other requirements applicable to this unit standard may include but are not limited to:
AS/NZS 4058:2007, Precast concrete pipes (pressure and non-pressure);
NZS 3121:1986, Specification for water and aggregate for concrete;
NZS 3121:1986A1, Specification for water and aggregate for concrete: Amendment 1;and
NZS 3122:2009, Specification forPortland blended cements (General and special purpose); all available from
Worksafe New ZealandNotification of Particular Hazardous Work, available from http://www.business.govt.nz/worksafe/notifications-forms/particular-hazardous-work;
Overhead cable or other permit;
Code of Practice for Temporary Traffic Management produced by NewZealand Transport Agency, available from http://www.nzta.govt.nz/resources/code-temp-traffic-management/index.html; or equivalent local authority requirements for working in the road;
NZTAF/32010, Pipe Culvert Construction (Wellington: New Zealand Transport Agency, 2010)available from http://www.nzta.govt.nz/resources/pipe-culvert-const/index.html.
2Assessment against this unit standard must take place in a workplace context.
3Range
Work is required in an excavated site over 1.5 metres deep for at least one installation.
4Personal protective equipment, appropriate to job requirements, is to be selected and used in accordance with company procedures and manufacturer’s instructions.
5Definitions
Company requirementsrefer to 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 specificationsrefer to plans, diagrams, and special technical conditions. They do not include special administrative conditions.
Infrastructure pipelaying refers to the installation of infrastructure pipes, fittings, and associated structures in the road and elsewhere (may include subdivisions), normally beyond the boundary of private property. Infrastructure pipes include sanitary sewage and stormwater, and may include pipes or ducting for other services such as water, gas, electricity, or telecommunications. For the purposes of this unit standard it does not include the commissioning of the pipes or the installation of services they may house; nor does it include jointing required to be carried out by a licensed specialist.
Lamphole cleaning eyes are also known as rodding eyes.
Manufacturer’s instructionsrefer to specifications; installation, handling, use, and maintenance instructions; and safety data sheets.
Pipelaying structuresrefer to manholes (also known as wet access chambers), dry access chambers, anchor blocks, thrust blocks, sumps and grates, lamphole cleaning eyes, pump stations, interceptor traps, and head walls.
Sumps are also known as cesspits.
Outcomes and evidence requirements
Outcome 1
Prepare for the installation of infrastructure pipelaying structures.
Rangetwo types of structures.
Evidence requirements
1.1A check is made to ensure the plan supplied is the current approved plan for the project and any apparent discrepancies are reported in accordance with company requirements.
1.2A check is made to ensure the set-out is correct and any errors are reported in accordance with company requirements.
1.3A check is made to ensure that structures, materials, plant, and equipment are as required for the installation and any concerns are reported in accordance with company requirements.
1.4A check is made to ensure that structures, materials, plant, and equipment are placed to ensure a safe and efficient operation, and any concerns are reported in accordance with company requirements.
1.5Site is checked for hazards, and any hazards requiring control are reported or controlled in accordance with company requirements.
Outcome 2
Install the structures.
Rangeaccess chamber and two other types of structures.
Evidence requirements
2.1Bedding material is laid, as required, in accordance with contract specifications, company and territorial authority requirements, and structure manufacturer’s instructions.
2.2Structures are installed in accordance with contract specifications, company requirements and structure manufacturer’s instructions with no risk of harm to persons or damage to structure, pipes, fittings, plant, or equipment.
Rangeconsiderations:
for wet access chambers – water tightness, benching and haunching, flexible connections, finished lids;
for dry access chambers – water tightness, finished lids;
for anchor blocks and thrust blocks – bearing surface, pipe protection;
for sumps and grates – inlet and/or outlet, finished lids;
for lamphole cleaning eyes – water tightness, finished lids.
2.3Installation checks are made in accordance with contract specifications and/or company requirements.
2.4As-built records are completed, as required, in accordance with contract specifications and company requirements.
Outcome 3
Carry out water testing procedures and rectify any deficiencies.
Rangeone type of structure.
Evidence requirements
3.1Testing is carried out in accordance with contract specifications and/or company requirements to determine that installed structure is watertight, within tolerances in contract specifications and/or territorial authority requirements, and any deficiencies are identified.
3.2Any identified deficiencies are reported and rectified in accordance with contract specifications and/or company requirements.
Planned review date / 31 December 2019Status information and last date for assessment for superseded versions
Process / Version / Date / Last Date for AssessmentRegistration / 1 / 21 July 2011 / 31 December 2016
Review / 2 / 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.
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 Infrastructure you wish to suggest changes to the content of this unit standard.
Infrastructure ITOSSB Code 101813 / New Zealand Qualifications Authority 2019