National Certificate in Gas Network Operations - Mains Laying

Level 4  Credits 75

This National Certificate is designed for people working in the network construction sector of the gas industry and recognises the skills and knowledge required by the New Zealand gas industry for certification as a trade operative in laying gas mains in a gas distribution network.

This qualification contains optional standards that are not required for completion of the certificate. However, these may be considered necessary for some employment contexts within the gas industry.

This qualification shares some standards in common with the National Certificate in Gas Network Operations - Leakage Control (Level 3).

Prerequisites: National Certificate in Gas Network Construction - Service Laying (Level 3) or demonstrate equivalent knowledge and skills.

COMPULSORY: 75 Credits

Unit Standard	Description	Level	Credit
9575	Explain the purpose and application of cathodic protection in a petrochemical workplace	4	2
10968	Decommission and disconnect a main in a gas distribution network	4	8
10972	Perform hydrostatic tests on mains and services in a gas distribution network	4	7
10981	Fit mechanical couplings in a gas distribution network	3	3
10986	Use flow-stopping bags in a gas distribution network	4	10
10988	Insert a polyethylene pipe into a casing pipe in a gas distribution network	4	6
18426	Demonstrate knowledge of hazards associated with confined space	3	4
19546	Test, connect, and purge a main in a gas distribution network	3	8
19549	Make temporary repairs of gas escapes in a gas distribution network	3	5
23087	Pig a pipeline in a gas network	4	4
25608	Carry out a flow stopping operation on a live gas main	4	12
25609	Demonstrate knowledge of hydrostatic testing equipment and operations in a gas distribution network	3	3
25610	Demonstrate knowledge of equipment and operations for jointing polyethylene pipe for a distribution network	3	5
25611	Demonstrate knowledge of stopple equipment and operations in a gas distribution network	3	3

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Optional Standards: The following standards are optional

Unit Standard	Description	Level	Credit
5628	Operate as a Site Traffic Management Supervisor (STMS) for low volume and Level 1 roads	5	3
6400	Manage first aid in emergency situations	3	2
9550	Perform basic pipe wrapping on a steel pipeline	4	3
10974	Use stopple equipment on steel gas pipes	4	10
10983	Hot tap, test, and drill a steel pipe in a gas distribution network	4	12
10987	Perform butt fusion jointing on polyethylene pipe for a distribution network	4	8
12509	Install and test cathodic protection in a gas distribution network	4	7

 

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