8/10/2019 Construction Phase Plan 2

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1.3. Site AccessTwo means of access will be provided to the site.

The main access will be from TAC Northern Access Road, which is off the north

end of Old Punt Road. A permanent built up road will be provided. The accessroute is within a 30 m wide easement through TAC land. The route runs through

some low lying areas that are prone to flooding in heavy rain. The road will bebuilt up through this area and appropriate culverts installed to maintain current

water drainage pathways.The route will have 3-wire fencing along the boundary. A security gate will be

provided near the entrance to the access road. A motorized sliding gate will be

provided which can be opened using security card or from the control room communications and CCTV at the gate.There is an existing AusGrid easement for the overhead power cables (northsouth).

There will be no high level metallic fencing/facilities within thiseasement. Access will be

provided in the access road easement onto the AusGrideasement.

The second means of access will be along the pipeline easement, north of the

main access road. This access track will start off the OPR. The access way willbe a gravelled track suitable for emergency access and egress. The access route

is within a 30 m wide easement around TAC land. The initial part of the routeruns through low lying area.

The route will have 5 wire fencing along the boundary. A locked gate will beprovided at the entrance to the easement.1.4. Gas Pipelines1.4.1. High Pressure Pipeline

A high pressure pipeline will be constructed between the site at Tomago andconnection into the Jemena gas network at Hexham. Pipeline reception and

interconnection facilities will be provided at Hexham. AGL has purchased aproperty in Hexham adjacent to the Jemena pipeline and station.There will be a hot-tap into the existing Jemena pipeline that will be undertaken

by Jemena. A short section of pipeline will be installed between the hot-tap and

the isolation valve.The pipeline will be installed along the access track from the plant to Old PuntRoad and then down Old Punt Road to the river, then beneath the river to

Hexham and into the AGL property at Hexham.1.4.2. Low Pressure Pipeline

A low pressure pipeline will be constructed between the site at Tomago and the

entrance gate area at Tomago Aluminium Company (TAC). The pipeline will carry

waste gas from the facility to TAC.The pipeline will be installed south of the Main Access Road to the TAC Northern

Road and then along TAC land to the existing gas supply line at the entrance toTAC.

1.5. Utility ServicesTo operate the plant, utility services are required and these will be run from

connections to local infrastructure. The services consist of: Main power

Potable water Storm Water and sewerage Communications (telephone and data) Auxiliary power