supply of building material for a . t . s under construction as j . n . v . c . b . s . e pattern at siswa mankapur distt-gonda . , supply of material , mild steel or iron work of small sizes and sections such as holding down bolts , hold fast ticrods , gratings etc . ( when not included in an over all rates ) wrought to required form including supply of steel and its wastage including cost of bolts , nuts if required for and welding , grinding and completion of work . fabrication of holes , door , chaukhats nosing . hold fast . angle iron chaukhat 40x40x5 , m . s work in grill & stair case railing . , m . s work in z section window . , providing and fixing in position collapsible steel shutters with vertical channels 20x10x2 mm and braced with flat iron diagonals 20x5 mm size , with top and bottom rail of t-iron 40x40x6 mm , with 40 mm dia steel pulleys , complete with bolts , nuts , locking rrangement , stoppers , handles , including applying a priming cost of approved steel primer .