Jaipur Vidyut Vitran Nigam Limited Tender

8.26 Providing and fixing IS : 3564 marked Aluminium die cast body tubular type universal hydraulic door closer with necessary accessories and screws etc. complete.

(B-10.37) Providing & Fixing of Mineral Fibre Acoustical Suspended Ceiling System with (Bevelled Tegular) EDGE TILES WITH 15 mm Exposed GRID. The tiles should have Humidity Resistance (RH) of 99% NRC 0.5, Light Reflectance _85%, Thermal Conductivity K =0.052-0.057 w/m K, Colour White, Fire Performance UK Class 0/Class 1 (BS 476 Part 6 & 7), in module size of 600 x 600 x 16 mm, suitable for Green Building application, with Recycled content of 32 %. The tile shall be laid on Silhouette profile grid system with 15 mm white/black flanges incorporating a 6 mm central reveal in white/black colour and with a web height of 45mm and a load carrying capacity of minimum 15.68 Kgs/Sqm minimum pull out strength of 100 kgs. Silhouette, Main Runners & Cross Tees to have mitred ends & "birdsmouth" notches to provide mitred cruciform junctions. The T Sections have a Galvanizing of 90 grams per sqm and need to be installed with suspension system of make. The Tile & Grid system used together should carry a 30 year warranty. ISTALLATION :- To comprise main runner spaced at 1200 mm centres securely fixed to the structural soffit using suspension system (Specifications below) at 1200mm maximum centre. The First/Last suspension system at the end of each main runner should not be greater than 450 mm from the adjacent wall. Flush fitting 1200 mm long cross tees to be interlocked between main runners at 600 mm centre to form 1200 x 600 mm module. Cut cross tees longer than 600mm require independent support. 600 x 600 mm module to be formed by fitting 600 mm long flush fitting cross tees centrally between the 1200 mm cross tees. Perimeter trim to be wall angles of size 3000 x 19 x 19mm, secured to walls at 450 mm maximum centers. SUSPENSION SYSTEM consisting of M6 Anchor Fasteners with Vertical Hangers made of Galvanised steel of size 26 x 26x 25x1.2 mm with a Galvanised Thickness of 80 gsm, A pre Straightened Hanger wire of dia-2.5 mm of 1.8 m length., thickness of 80 gsm and a tensile strength of 344-413 MPa, along with Adjustable hook clips of 0.8 mm thick, galvanised spring steel for 2.68 mm with a minimum pull strength of 110 kg. The adjustable clip also consists of a 3.5 mm aquiline wire to be used with the main runner.