tender for classroom furniture of academic block-i sec-87-- 1 supply and placing of modesty classroom three seater desk ( dimensions - 1500mm x 930 x 812mm ) understructure made of mild steel tube 75mm x 25mm ( seating base ) , 68 x25mm ( side frame ) , 50x25mm ( connecting side frame ) , 25x25mm ( connecting side frame ) 1.6mm thk. approx weight of the ms frame=22-25kg with single tube curve bent tube for back creating a 110 degree angle frame will have dye cast mild steel d shaped mould plate of 65mm radius on side structure both side for superior strength of frame and good aesthetics legs will have pvc rubberised bottom shoe of 68x25 and 25x25. 75x5mm curve lift benders with bullet press modesty surface of 9mmx3mm ( 150mm wide ) and modesty surface of 12mm x 12mm ( 150mm wide ) with a-r treatment and pressure powder coat with heat treatment for durability of texture on surface top ( 380mm x1500mm ) , back ( 200mm x 1500mm ) , seat ( 300mm x1500mm ) to be made in isi grade hdhmr board ( make: actiontesa ) using maier for flaking of wood chips 18mmplusbsl ( borer resistant and density not less then 850 kg / m3 duly edge banded with 2mm rihau ( isi tape ) with a coat of simiulateous sanding and a buffing coat of shield surface protector ( visual enclosed ) .colour as desired by engineer in charge 2 supply and placing of modesty classroom four seater desk ( dimensions - 1950mm x 930 x 812mm ) understructure made of mild steel tube 75mm x 25mm ( seating base ) , 68 x25mm ( side frame ) , 50x25mm ( connecting side frame ) , 25x25mm ( connecting side frame ) 1.6mm thk. approx weight of the ms frame=22-25kg with single tube curve bent tube for back creating a 110 degree angle frame will have dye cast mild steel d shaped mould plate of 65mm radius on side structure both side for superior strength of frame and good aesthetics legs will have pvc rubberised bottom shoe of 68x25 and 25x25. 75x5mm curve lift benders with bullet press modesty surface of 9mmx3mm ( 150mm wide ) and modesty surface of 12mm x 12mm ( 150mm wide ) with a-r treatment and pressure powder coat with heat treatment for durability of texture on surface top ( 380mm x1950mm ) , back ( 200mm x 1950mm ) , seat ( 300mm x1950mm ) to be made in isi grade hdhmr board ( make: actiontesa ) using maier for flaking of wood chips 18mmplusbsl ( borer resistant and density not less then 850 kg / m3 duly edge banded with 2mm rihau ( isi tape ) with a coat of simiulateous sanding and a buffing coat of shield surface protector ( visual enclosed ) .colour as desired by engineer in charge