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Heart of glass

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With its hundreds of glass louvres and elliptical steel framework, the three-storey structure behind the old Chief Post Office is a glittering entrance to New Zealand's first underground train station

Heart of glass


To maintain the light, airy transparency of the glasshouse, it was important to ensure that more practical features, such as the roof drainage system, were as inconspicuous as possible.

The siphonic roof drainage system, designed and supplied by Aquatech Syphonics, was specified for the project. Aquatech general manager Neil Dawson says the pipework, which siphons water from eight roof gutters, needed to blend in with the building to retain its open feel.

"The system had to be designed to be as small as possible so that it would look like part of the building," he says. "Stainless steel pipes were chosen to complement the other materials used in the glasshouse construction. All the pipework appears to be one size, but some of the pipes are sheathed to give this effect."

Pipework was installed flat and drains water to just four 75mm downpipes.

For further information, contact Aquatech Syphonics, PO Box W276, Warringah Mall, Brookvale, NSW 2100, Australia, phone (+61 2) 9905 4930, fax (+61 2) 9905 0724, mob (+61) 402 856 176. Website: . Or contact Clarke Roofing, 1 Fairfax Ave, Penrose, Auckland, phone (09) 579 9483, fax (09) 579 4753.


First published date: 12 October 2003

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