Our brief was to design, construct, and erect a composite cover for one of Nelson city’s water supply holdings tanks. The tank is sited high above Nelson with limited access, where the old metal cover had deteriorated beyond repair. The new cover was constructed using flat fibreglass polyester sheets bonded to box section fibreglass members. The “pie slice” sections were manufactured in two parts at our Christchurch plant and then transported to Nelson. These were then lifted by crane into position and secured by stainless steel fasteners and polyurethane adhesive in an underslung position.
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