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PROJECT HISTORIES - TANKS

Edendale Dairy Company, Edendale, Invercargill, New Zealand.


LARGEST DIAMETER GRP TANKS IN NEW ZEALAND
Anchor Products, Te papa, Hamilton. New Zealand
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Anchor Products, Te papa, Hamilton. New ZealandIn may of 2000 due to expansion, a 6.4m dia. 150,000 litre overflow tank was supplied to Anchor Products in Hamilton. On site were two existing steel tanks that had rusted badly, so a decision was made to install a third tank, manufactured in a different material.

The tank was supplied and installed on a new concrete base, with interconnecting piping. The trial was successful and was followed with the installation of two more tanks to replace the existing steel tanks.

The tanks were manufactured in Maskell's Auckland factory located in Mt Wellington, Auckland, and then transported to site where a Maskell crew installed and piped the tanks. It is common for Maskell to both manufacture and install tanks, and so provide a complete one stop shop for chemical and waste storage tanks.



THREE 175,000 LITRE TANKS
Edendale Dairy Company, Edendale, Invercargill, New Zealand.
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Edendale Dairy Company, Edendale, Invercargill, New Zealand.Three 175m³ fibreglass tanks were supplied to the Edendale Dairy Company in the early 1990’s. These three tanks were the first large fibreglass storage tanks supplied to the Dairy Industry. These tanks are used to store the waste whey product. The tanks are fully piped up for the aggressive CIP cleaning.

Since the photo was taken, a fourth GRP Tank has been added to the group. Maskell have since completed the supply of number of 200,000 Litre storage tanks for the New Zealand South Island Dairy Industry. The 4.5m tanks were shifted to their destinations using coastal shipping and local freighter experienced in tank transport.

Once on site, the tanks were installed on concrete foundations in accordance with New Zealand earthquake codes.



THE FIRST HYGIENIC GRP TANKS IN NEW ZEALAND
Anchor Products Lichfield, Putaruru. New Zealand.
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Anchor Products Lichfield, Putaruru. New Zealand.Two 200m3 tanks were supplied to the Anchor Products site in Lichfield for their powder milk expansion. The two tanks are to store polished water, and because of the Anchor policy, are hygienic tanks. Our GRP tanks have a naturally polished internal surface, and extra care was taken with the fittings for the tank.

The two tanks were supplied and installed by Maskell Productions Ltd and came complete with handrails and an interconnecting platform between the tanks.

All internal surfaces, including the overflow and vent, are able to be cleaned during the CIP process. In addition to these tanks a chemical storage tank has been installed on site, to store Hydrochloric Acid, used in the cleaning process.



350,000 LITRE WASTE WATER OVER FLOW TANK
Tauranga District Council, Bay of Plenty. New Zealand.
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Tauranga District Council, Bay of Plenty. New Zealand.The 350kL underground, wastewater overflow tank completed by Maskell was supplied as a one piece item and installed within a two day period in a location with high groundwater.

Storage of wastewater overflows from pump station in storm or pump failure events.

The tank design was completed by Maskell and included anchoring calculations for shallow burial depth, with deadman anchors, and traffic loading design. Underground tank manufactured from teraphthalic polyester resin, E-glass reinforcement using Owens Corning Tank technology.



20kL WASTE WATER PUMP STATION
Queenstown District Council Wanaka. New Zealand.
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Queenstown District Council Wanaka. New Zealand.Supply of a packaged pump station for the new Mt Iron subdivision. It was supplied as a one piece item and installed within one day. The pumps had been pre-installed along with internal pipe work, guide rails and aluminium lids. Connections were made to a valve box and the inlet and outlet pipes. The pump station would be responsible for the storage and pumping of wastewater.

The tank design was completed by Maskell and included anchoring calculations for with poured concrete slab. Tank was designed for area with light trafficable loads only.

Pump station manufactured from teraphthalic polyester resin, E-glass reinforcement using Owens Corning Tank technology.



400kL WASTE WATER OVERFLOW TANKS
Rodney District Council, Hibiscus Coast, New Zealand.
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The 400kL underground, wastewater overflow tanks completed by Maskell was supplied in several 10m lengths which were installed in sections and fibreglass welded together on site. The location was low lying and had a high water table. Storage of wastewater overflows from pump station in storm or pump failure events.

The tank design was completed by Maskell and included anchoring calculations for burial depth and anchoring.

Underground tank manufactured from teraphthalic polyester resin, E-glass reinforcement using Owens Corning Tank technology.

 
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