Standard Construction for Liner Tanks |
" HOMESTEAD " RANGE of Liner Tanks
General Description: The " Homestead " range of Southern Cross "Liner" tanks are fully pre fabricated and are designed for easy erection on site without the need for special tools or equipment. All liner tank components are easily handled. No metal cutting or drilling is required on site, except for pipework connections and roof cladding. A comprehensive liner tank installation manual is supplied as standard.
Design: These Southern Cross tanks have been designed to comply with the relevant Australian Standards (see "Liner Tank Warranty Standards" section).
Liner Tank Construction: The standard construction of the" Homestead " range of liner tanks is as follows:
Basic Liner Tank: Side sheets are 1.0mm thick hot dipped galvanised steel sheet with a minimum zinc coating thickness of 275g/m 2 .
Side frame components, including top and bottom rings and fishplates are manufactured from hot rolled structural steel sections and hot dip galvanised after fabrication.
The water tank liner is manufactured from material rated for the storage of potable water and has a minimum guaranteed life of 10 years when installed in accordance with the manufacturer's instructions. All joins in the tank liner are welded to provide a joint with a strength equal to, or better than, that of the parent material. A liner repair kit is supplied with each tank in case the tank liner is accidentally damaged.
Bolts, nuts and washers supplied with your Southern Cross Liner Tank are commercial grade hot dipped galvanised steel.
Liner Tank Roof Options:
Flat Tops: Flat tops consist of a galvanised steel framework covered with steel roof sheeting. The framework is made from cold-rolled galvanised high tensile zed-section purlins. On smaller diameters these span the tank in single lengths and are attached to the top ring of the tank with brackets. On larger diameter tanks the main beams are supported by steel pipe posts, with zed-section purlins bolted between the beams and the top ring of the tank. The number of beams and posts depends on the tank diameter and the wind load rating. Trimdek Hi-Ten steel decking is secured to the purlins with self-drilling fasteners. The decking is also bolted to the tank with 10mm dia. bolts. All the tops are designed to resist wind loadings to A.S. 1170 Pt 2. Flat tops are available for all diameters and heights of tanks.
Shade cloth Tops: Shade cloth tops have a cover made from high quality shade cloth which is supported on a galvanised steel framework. The framework provides a cone shape to the cover which prevents a build-up of leaves and other wind-borne debris.
JUMBO " RANGE of Southern Cross Liner Tanks
General Description: The "Jumbo" range of Southern Cross "Liner" tanks are fully prefabricated and are designed for easy erection on site without the need for special tools or equipment. All tank components are easily handled. No metal cutting or drilling is required on site of our liner tanks, except for pipework connections and roof cladding. A comprehensive southern cross liner tank installation manual is supplied as standard.
Design: These Southern Cross tanks have been designed to comply with the relevant Australian Standards (see "Standards" section).
Basic liner tank Construction: The standard construction of the "Jumbo" range of tanks is as follows:
Basic Tank: Side sheets are 1.6mm thick hot dipped galvanised steel sheet with a minimum zinc coating thickness of 275g/m 2 .
Side frame components, including top and bottom rings, vertical battens, bands and fishplates are manufactured from hot rolled structural steel sections and hot dip galvanised after fabrication.
The tank liner is manufactured from material rated for the storage of potable water and has a minimum guaranteed life of 10 years when installed in accordance with the manufacturer's instructions. All joins in the liner are welded to provide a joint with a strength equal to, or better than, that of the parent material. A liner repair kit is supplied with each tank in case the liner is accidentally damaged.
Bolts, nuts and washers are commercial grade hot dipped galvanised steel in all Southern cross liner tanks.
Flat Tops: Flat tops consist of a galvanised steel framework covered with steel roof sheeting. The framework is made from cold-rolled galvanised high tensile zed-section purlins. On smaller diameters these span the tank in single lengths and are attached to the top ring of the tank with brackets. On larger diameter tanks the main beams are supported by steel pipe posts, with zed-section purlins bolted between the beams and the top ring of the tank. The number of beams and posts depends on the tank diameter and the wind load rating. Trimdek Hi-Ten steel decking is secured to the purlins with self-drilling fasteners. The decking is also bolted to the tank with 10mm dia. bolts. All the tops are designed to resist wind loadings to A.S. 1170 Pt 2. Flat tops are available for all diameters and heights of tanks.
Conical Tops for liner tanks: Conical tops consist of a galvanised structural steel framework to which galvanised flat sheeting is bolted. The supports radiate from the centre of the tank and in larger diameter tanks a centre post is used. The galvanised sheeting is attached to the framework with self-drilling fasteners. The sheets are lapped at joints and a galvanised flat cover strip is fitted on top of the lap using the joint bolts. Sealing strip is not fitted at the laps as the lapped joints are enough to stop any dust from entering.
Shade cloth Tops: Shade cloth topsfor liner tanks have a cover made from high quality shade cloth which is supported on a galvanised steel framework. The framework provides a cone shape to the cover which prevents a build-up of leaves and other wind-borne debris on the roof of your liner tank. Shade cloth tops are available for tanks up to 16m diameter
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