Airports Authority Of India Tender

Supplying & fixing AluminiumComposite Panel (ACP) of FR A2 grade in cladding/ceiling/bull nose, in approved shape made out of ACP (Aluminium Composite Panel) sheet material comprising of aluminium skin of 0.5mm with KYNAR 500 based PVDF by double coat double bake method as per AAMA 2605 standards / FEVE based fluorocarbon paint finish on top + 3mm core comprising around 90% non-combustible mineral and balance virgin polymer + 0.5mm aluminium skin with mill finish/service coat at bottom. (Overall weight of ACP shall be 8.1 Kg/Sqm (+/-5%) ). Mild Steel hot dipped galvanized 'C' brackets of minimum size 75mm x 50 mm x 6 mm with slot of 8mm x 15mm are fixed to the existing RCC columns / walls / structural steel members or any other backing surface. Aluminium hollow section (22 - 25 micron anodic coating)/ tube of size 38mm x 50mm of 2mm thick in grid of maximum 1200mm x 1200mm shall be fixed to these brackets both vertically and horizontally by using M6 x 75mm stainless steel bolts and nuts. Panel fixing shall be by cutting the composite panels to size, routed, corners notched and bend as per the dimensions specified. After the panels are bend aluminium cleats of size 16mm x 16mm by 25mm length are fixed to the edge of the panels by using aluminium pop rivets. The panels are fixed to the framework by using stainless steel screws. The gap of 12mm or 16mm between the panels (both vertical and horizontal) are filled with closed cell polyethylene light weight backer rod of size 12mm x 20mm or 16mm x 20mm, weather proof silicon sealant shall be used to fill the grooves, Non-Staining Weather sealant should have minimum tearing strength 4.0N/mm, shore A hardness 24 (ISO 868), joint movement capability +30% (As per ASTM C- 920), one part natural cure, sealent shall be DOW CORNING (DC-789) or equivalent etc., including erection of necessary scaffolding and dismantling of the same etc., as per the direction of Engineer in Charge.

Supply and installation of plain 300C (Exterior) false ceiling system of approved colour at all heights consisting of panel 300mm wide 30mm deep x 0.60mm thick with bevelled edge, panel length up to 6 metre, Coil coated on a continuous paint line, double baked and roll formed from enamelled corrosion resistance aluminium alloy AA3005 (Al.Mg) for higher strength and good rool forming characteristics. The panel shall be about each other with a narrow V grove. Panel shall be clipped to a baked enamelled aluminium panel carrier of 41.5 mm wide x 62mm deep x 0.95 mm thick in standard length of 5 meter made doubled baked black enamelled aluminium alloy AA 5050 (Al. Mg) with cut outs to hold the panels in a module of 300mm closed at a distance 2.4metre. Panel carrier shall be suspended as per the manufacturers drawing etc., complete as per the direction of Engineer in Charge.

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.