CLG Karangahape station presentation 24 September 2020

Karangahape Station CLG Presentation 24 September 2020

CLG Agenda 5:00 – Networking – coffees to order and light snacks 5:30 – Brief welcome – Simon Mitchell, Community Manager 5:35 – Project presentation – Dan Trotman, Construction Manager 5:45 – Break out for table discussions 6:30 – End Table discussions: There will be four tables set up each to address a different topic with subject matter experts on hand to answer questions and provide details on their work.

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Beresford Square – Dan Trotman (Construction Manager), Michael Coup (Project Engineer Beresford Square) Mercury Lane – Adam Stilges (Project Engineer) Tunneling update – Cam Butcher (Construction Manager Mined Tunnels) Development Response – Arash Barzin (Development Response Manager) What is Development Response?

What business support is available?

How do businesses access support?

Project Overview Dan Trotman Construction Manager

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Beresford Square

Mercury Lane

Mercury Lane January 2020 – September 2020 • Noise enclosure construction (purple) • Installation of diaphragm walls (green), the station’s external walls.

Mercury Lane October 2020 – November 2020 • Installation of plunge columns, providing temporary support for floors and super structure • Mined tunnels started

Mercury Lane November 2020 – January 2022 • Construction of the station’s floors and excavation of the rock beneath

Mercury Lane January 2022 – March 2023 • • • •

Bottom up construction of lower floors Completion of floor columns and walls for station structure Above ground structure Start to station fit-out

Mercury Lane March 2023 – 2024 • Noise enclosure and temporary shaft removal • Station fit-out complete • Urban realm complete

Beresford Square September 2020 – October 2020 • Installation of plunge columns, providing temporary support for floors and super structure

Beresford Square October 2020 – March 2021 • Installation of D-walls (diaphragm walls, shown in green), the stations exterior walls

Beresford Square March 2021 – March 2022 • Construction of station floor and excavation of the rock beneath

Beresford Square March 2022 – March 2023 • Bottom up floor construction • Completion of floor columns and walls for station structure • Start to station fit-out

Beresford Square March 2023 – 2024 • Station fit-out complete • Urban realm complete

Mercury Lane Time lapse camera photo from today @10.45AM

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Mercury Lane plunge columns

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Mercury Lane plunge columns

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Mercury Lane Looking north from above the noise enclosure.

Work on the D-wall at Mercury Lane continues with the hydrofraise machine in the foreground.

18 of the 26 panels that make up the station box have now been installed.

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Mercury Lane Installation of the overhead gantry crane.

The gantry crane will lift all plant and spoil via the access shaft.

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Mercury Lane inside the noise enclosure

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Mined tunnels Inside the noise enclosure. Looking up from the temporary access shaft.

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Mined Tunnels Two road header machines will excavate the stations 217-metre platforms and tunnels • TBM breakthrough (northbound): midJuly 2021

• TBM breakthrough (southbound): midJuly 2022

Mined Tunnels Work has begun on the adit tunnel, mining east.

Roadheader work will begin in the next few weeks.

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Canada Street Hoardings Designed and painted by Auckland artist Paul Walsh.

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Canada Street Hoardings Designed and painted by Auckland Artist Paul Walsh.

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Beresford Square The crane for the plunge columns has arrived and work will begin next week.

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Beresford Square Looking west down Beresford Square Guide walls can be seen in the lower centre of the picture, while utility relocation work continues in the centreleft of the picture.

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Beresford Square Setting up the trench to connect high voltage cables in front of Hopetoun Alpha.

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Beresford Square Plunge Columns Temporary columns, up to 40-metres deep that support floor slabs during the construction of the various levels of the station.

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Beresford Square Plunge Columns Plunge columns are removed from within the station once the permanent walls and columns are completed.

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Beresford Square Plunge Columns Six columns in total Installed sequentially within the road closure Approximate duration 3 – 4 weeks, followed by D-Wall construction Access to private vehicle entrances will be maintained throughout duration.

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Beresford Square Once the plunge columns are finished work on D-Wall will begin.

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Questions & Answers

Break out Table Discussion

Thank you

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