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Describe and explain bypass pumping and install, commission, and decommission bypassesfor infrastructure pipelaying

Level / 3
Credits / 4

PurposePeople credited with this unit standard are, for infrastructure pipelaying, able to describe and explain bypass pumping, and install, commission, and decommission bypasses.

Subfield / Civil Works and Services
Domain / Civil Construction Works
Status / Registered
Status date / 21 November 2008
Date version published / 21 November 2008
Planned review date / 31 December 2013
Entry information / Open.
Replacement information / This unit standard replaced unit standard 23287.
Accreditation / Evaluation of documentation and visit by NZQA and industry.
Standard setting body (SSB) / Infrastructure ITO
Accreditation and Moderation Action Plan (AMAP) reference / 0101

This AMAP can be accessed at

Special notes

1Thefollowing legislation and requirements apply to this unit standard:

Health and Safety in Employment Act 1992;

Resource Management Act 1991.

2Assessment against this unit standard must be based on evidence from a workplace context.

3Personal protective equipment, appropriate to job requirements, is to be selected and used in accordance with company procedures and manufacturer’s instructions.

4For bypasses that require entry to an access chamber or other confined space it is recommended that candidates hold credit for both Unit 17599, Plan a confined space entry, and Unit 18426, Demonstrate knowledge of hazards associated with confined space. Where this entry occurs on reticulated water systems candidates should also have credit for Unit 19207, Enter, work in, and exit a confined space in the water industry.

5Definitions

Company requirementsinclude 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.

Infrastructure pipelaying refers to the installation of infrastructure pipes, fittings, and associated structures in the road and elsewhere, 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 potable 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.

Elements and performance criteria

Element 1

Describeand explain bypass pumping for infrastructure pipelaying.

Performance criteria

1.1Purposes of bypass pumping are explained.

1.2The method fortemporarily removingthe flow between two pointson a pipelineis described.

Rangedescription of method takes health, safety,and environmental protectioninto account.

1.3Limitations of bypass pumping are described and explainedin relation to pump and hose or pipe capabilities, operational situations, and terrain.

1.4Risk factors in maintaining bypass pumping are describedand explained in terms of consequences and measures to control the risk factors.

Rangeleakage or spillage, overflow, noise.

Element 2

Install, commission, and decommission bypassesfor infrastructure pipelaying.

Rangeone of–rerouting, repair, new construction.

Performance criteria

2.1Job instructions are confirmed and equipment is selected and checked as appropriate for the job in accordance with company requirements.

Rangeinstructions include but are not limited to – method, location;

for gas services includes but is not limited to – gas detection equipment.

2.2Site is checked for hazards, and any hazards requiring control are reported or controlled in accordance with company requirements.

2.3Hoses and bungs are installed in accordance with job requirements.

2.4The bypass is commissioned in accordance with job and company requirements.

2.5The bypass is decommissioned in accordance with job requirements and,as required, the site is restored in accordance with contract specifications and company requirements.

Please note

Providers must be accredited by NZQA, or an inter-institutional body with delegated authority for quality assurance, before they can report credits from assessment against unit standards or deliver courses of study leading to that assessment.

Industry Training Organisations must be accredited by NZQA before they can register credits from assessment against unit standards.

Accredited providers and Industry Training Organisations assessing against unit standards must engage with the moderation system that applies to those standards.

Accreditation requirements and an outline of the moderation system that applies to this standard are outlined in the Accreditation and Moderation Action Plan (AMAP). The AMAP 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.

 New Zealand Qualifications Authority 2018