tender for lagging work on various equipments- 1 thermal insulation by providing light raising bonded slab lrb slab density 1000 cubic kg with aluminium sheet 24 swg, gi wire 20 swg fixing of gi screw 8 x 13 mm by groving all joint with necessary overlap etc job involve the work of cleaning of surface area if required for insulation different station or equipment with material rates as per isi normslrb thickness 50 mm 2 thermal insulation by providing light raising bonded slab lrb slab density 1000 cubic kg with aluminium sheet 24 swg, gi wire 20 swg fixing of gi screw 8 x 13 mm by groving all joint with necessary overlap etc job involve the work of cleaning of surface area if required for insulation different station or equipment with material rates as per isi normslrb thickness 75 mm 3 thermal insulation by providing light raising bonded slab lrb slab density 1000 cubic kg with aluminium sheet 24 swg, gi wire 20 swg fixing of gi screw 8 x 13 mm by groving all joint with necessary overlap etc job involve the work of cleaning of surface area if required for insulation different station or equipment with material rates as per isi normslrb thickness 100 mm