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Architectural Specification
Materials
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- The ceiling suspension system shall be Tee Grid Ceiling System.
- The suspension system shall comply to ASTM C635 Standard and shall be capable of carrying the ceiling load with maximum deflection of 1/360 of the span. The ceiling module shall be specified by the architect, using the following components.
- The body of the grid section shall be made of hot dip galvanized steel with a zinc coating of not less than 180 g/m2 (Z18)
- The exposed flange of the grid section shall be 24mm width made of hot dip galvanized steel capping. The white finish applied shall be factory-coated with a polyester coating thickness of 25 microns.
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- Main Tee shall be 32m high and of double web design with rectangular bulb. The main tee shall be equipped with a effective self-locking (plug in) device which can be joined firmly to for a continuous straight line. Hanger holes shall be round and punched on the web of the main tee at interval of 150mm (6"). Cross tee slots shall be accurately punched on the web at 150mm (6") o.c. .
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- Cross Tee shall be 26.5mm high and of double web design with reinforcing bulb. The Cross tee shall be flat and in plane with the flange of the main runners after insertion.
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- Wall angle shall be made in L shaped of 20mm x 20mm and with a factory-coated exposed surface.
Referenced Documents:
- ASTM C635 "Standard Practice for Installation of Metal Ceiling Suspension System for Acoustical Tile and Lay-In panels"
- BS8290: Part "Code of Practice for Installation and Maintenance of Suspended Ceilings"
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