tender for civil maintenance work in library at aiims patna ; 1 flooring providing and laying vitrified tiles in floor in different sizes ( thickness to be specified by the manufacturer ) with water absorption less than 0.08% and conforming to is:15622, ofapproved brand & manufacturer, in all colours and shade, laid on 20 mm thick cement mortar 1:4 ( 1 cement: 4 coarse sand ) jointing with grey cement slurry @3.3 kg / sqm including groutingthe joints with white cement and matching pigments etc. the tiles must be cut with the zero chipping diamond cutter only . laying of tiles will be done with the notch trowel, plier, wedge, clips of required thickness, leveling system and rubber mallet for placing the tiles gently and easily.glazed vitrified floor tiles polished finish of size size of tile 600 x 600 mm 2 cement plaster with a floating coat of neat cement12 mm cement plaster finished with a floating coat of neat cement ofmix : 1:4 ( 1 cement: 4 fine sand ) 3 applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface :water thinnable cement primer 4 providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer , over the plastered wall surface to prepare the surface even and smooth complete. 5 wall painting with acrylic emulsion paint, having voc ( v olatile organic compound ) content less than 50 grams / litre, of approved brand and manufacture, including applying additional coats wherever required, to achieve even shade and colour .two coats 6 repairs to building repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground, all complete as per direction of engineer-in-charge.with cement mortar 1:4 ( 1 cement : 4 fine sand ) 7 dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead. for thickness of tiles 10 mm to 25 mm 8 dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead. 9 providing and applying for water proofing of approved brand and manufacture over the plastered wall surface to prepare the damp proof surface all complete as per speification and direction of engineer-in-charge.