ZINFRA PTY LTD

Central-West Orana Renewable Energy Zone (REZ) - Transmission Project

Overview

The Central-West Orana Renewable Energy Zone (REZ) Transmission Project will build new high-capacity transmission lines, energy hubs and supporting infrastructure to transfer power generated by solar and wind projects to electricity consumers. The new infrastructure is expected to be operational by 2028 and will initially unlock up to 4.5 gigawatts of new network capacity.


The project consists of 90km of 500kV overhead transmission lines and 150 km of 330kV transmission lines for generator connections, stretching from Elong Elong in the west through to Barigan Creek in the east, via an energy hub at Merotherie.

The Scope of works consists of 6 Separable Portions:


Separable Portion 1 (SP1): Detailed Design, LLE procurement and management plans i.e., all works required to be 'Construction Ready'.

Separable Portion (SP2): 500kV Barigan Creek Switching Station Cut-In (incl works at Wollar Substation, Bayswater Substation and Mt Piper Substation)

Separable Portion (SP3): 330kV Transmission Line Bayswater and Liddell

Separable Portion 4 (SP4): Substation Works Bayswater and Liddell

Separable Portion 5 (SP5): 330kV Transmission Line Mt Piper and Wallerawang

Separable Portion 6 (SP6): Substation Works Mt Piper and Wallerawang



Substation Scope Summary:

4 Substations where a new bay is to be installed replacing an old existing bay with upgrades to secondary systems.

Total of 6 Substations where Remote End Works is required for these upgrade works.



Transmission Line Scope Summary:

500kV Transmission Line Cut-In works into the Barigan Creek Switching Station.

2 x 330kV Transmission Lines upgrades between Bayswater to Liddell and Mt Piper to Wallerawang.

These upgrades are additional circuits to one line and modifications to the tower lines based on location of new bay locations in the Substations.


Central-West Orana Renewable Energy Zone (REZ) - Transmission Project

ZINFRA PTY LTD

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NSW Australia


Project Primary Contact
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David Norris
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Regional Manager - Central West NSW
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+61 04 4780 0239
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Express interest for any opportunities that may arise for this project.

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Officing cleaning for the site facilities, this include officers, site crib huts and toilet blocks - expected once a fortnight - requires full PPE to be worn as these will be on a construction site. There are 5 sites in total. 1. SP2 - Wollar 2. SP3 and SP4 - Bayswater 3. SP5 - Wallerawang Greenspot 4. SP6 - Wallerawang Substation 5. SP6 - Mt Piper Substation The same person could provide service for SP5 and SP6.

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Local provider for vehicle maintenance and potentially on-site repairs for light vehicles. 1. SP2 - Wollar 2. SP3 and SP4 - Bayswater 3. SP5 - Wallerawang Greenspot 4. SP6 - Wallerawang Substation 5. SP6 - Mt Piper Substation

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Local provider for septic pumpout. This will be done 1 or 2 two times a month. Provider will need to come to site to pumpout the septic block. They will require full PPE as these will be on construction sites. 1. SP2 - Wollar 2. SP3 and SP4 - Bayswater 3. SP5 - Wallerawang Greenspot 4. SP6 - Wallerawang Substation 5. SP6 - Mt Piper Substation The same person could provide service for SP5 and SP6.

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Local provider for potable drinking water to supply site water tanks. This will be done 1 or 2 two times a month. Provider will need to come to site to provide the water. They will require full PPE as these will be on construction sites. 1. SP2 - Wollar 2. SP3 and SP4 - Bayswater 3. SP5 - Wallerawang Greenspot 4. SP6 - Wallerawang Substation 5. SP6 - Mt Piper Substation The same person could provide service for SP5 and SP6.

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Local skip bin provider for sites, this will include removal of waste from the skips/replacement. Waste preferred to be segregated and disposed of accordingly, i.e., construction waste, recyclables, etc. Waste that leaves the site needs to be recorded, and waste dockets provided. Full-time skip hire can be between 1 - 2 years, and on most sites, would look at multiple skip bins. The provider will need to come to the site to provide the water. Full PPE will be required. 1. SP2 - Wollar 2. SP3 and SP4 - Bayswater 3. SP5 - Wallerawang Greenspot 4. SP6 - Wallerawang Substation 5. SP6 - Mt Piper Substation The same person could provide service for SP5 and SP6.

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Local provider Zinfra can talk to for snake and or fauna removal. If any snakes or faunas are encountered on the project we'll need to remove them from the site. Full PPE is required. Frequency will be on call. 1. SP2 - Wollar 2. SP3 and SP4 - Bayswater 3. SP5 - Wallerawang Greenspot 4. SP6 - Wallerawang Substation 5. SP6 - Mt Piper Substation The same person could provide service for SP5 and SP6.

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We are seeking proposals from suitably qualified ecologists to undertake ecological services for the following project areas: . Barrigan Creek (SP2) - including advance inspections, pre clearing fauna assessments, post clearing reporting, and post revegetation compliance inspections. . MTP WAL (SP5) - including pre works ecological site inspections, marking of habitat and endangered flora, flying squirrel crossing point review, Large Eared Pied Bat activity assessment, weed extent documentation, and support in identifying nesting box locations.

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