supply of cat b / construction stores , ac sheet size 4ft x 4ft x 4mm make:rhino or equivalent , local hardwood , free from knots and air cracks as per size given below:- , scantling size 3x3x10 , scantling size 3x4x10 , wooden beeding size 2x1 / 2x10 , steel counter sunk wire nails size sunk clip in mm length as per is-723 specification ( rust free ) following size given below:- , wire nails size 4 , wire nails size 6 , ppgi sheet 8 long thickness 0 . 5 mm colour brick red with following specification:- ( a ) profile : trapezoidal ( b ) thickness of top coat ( micron ) -20-30 ( c ) thickness of bottom coat ( micron ) -7 ( d ) grade of zinc coating-120 ( e ) width of sheet after profile shaped-1080 mm ( f ) pitch of profile ( mm ) -203 ( g ) depth of profile ( mm ) -27 ( h ) number of corrugation / trapezoidal-6 , profiler screw self driven for fixing ppgi sheet , ppgi sheet 6 long thickness 0 . 5 mm colour brick red with following specification:- ( a ) profile : trapezoidal ( b ) thickness of top coat ( micron ) -20-30 ( c ) thickness of bottom coat ( micron ) -7 ( d ) grade of zinc coating-120 ( e ) width of sheet after profile shaped-1080 mm ( f ) pitch of profile ( mm ) -203 ( g ) depth of profile ( mm ) -27 ( h ) number of corrugation / trapezoidal-6 , gi ridge profile sheet size 0 . 8 meter x 8 long for suitably fitting on ppgi sheets with coating of paint and zink ( colour brick red ) , supply of mr grade commercial plywood for ceiling purpose conforming to is:303 ( 1989 ) tolerance-length - +6 mm , -0 mm width- +3 mm , -0 mm thickness - + / - 5% size 8 ft x 4 ft x 4 mm