annual plan-kjp 915/25-26-govt hss maintenance in yeroor gp-general civil work- 1 yeroor hss maintenance 2 26.28.3:chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of engineer-in-charge25 mm average thickness 3 od264177/2025-2026:providing and laying double charged matt finished vitrified floor double charged matt finished vitrified floor 60x60 cm sizein floor with different sizes (thickness to be specified by the manufacturer), with water absorption less than 0.08% and conforming to is : 15622, of approved brand & manufacturer, in all colours and shade, laid with cement based high polymer modified quick set tile adhesive (water based) conforming to is : 15477, in average 6 mm thickness, including grouting of joints (payment for grouting of joints to be made separately).size of tiles 600x600 mm (modified item of 11.49.2)