GAIL (India) Limited

6014.1.2 Preparation of surface:Preparation of surface shall in general be in accordance with, except that any uneveness shall be madegood by applying putty (white cement based) mixed with water including up the undulation and then sandpapering the same after it is dry.14.1.3 Preparation of paintThe paint mix, shall be continuously stirred while applying for maintaining uniform consistency. Numberof coats shall be as per item description. The painting shall be laid evenly and smoothly by means ofcrossing and laying off. The crossing and laying off consists of covering the area with paint, brushing thesurface hard at first, then brushing alternatively in opposite direction 2/3 times and then finally brushinglightly in a direction at right angles to the same. In this process, no brush marks, no hair marks noclogging of paint puddles shall be permitted. The full process of crossing and laying off with constituteone coat.The paint shall be applied by means of brush or roller.Before starting painting with plastic emulsion paint, the prepared surface shall be reacted with two coatsof primer consisting of cement primer whiting and plastic emulsion paint shall start only after thepreceding coat has become sufficiently hard to resist brush marking. Subsequent coats of plastic emulsionpaint shall also be started after the preceding coat is dried by evaporation of water content.The surface of finishing shall present a flat, velvets smooth finish, even and uniform shade withoutpatches, marks, paint drops etc.14.1.4 Precautions:i. Brushes shall be quickly washed in water immediately after use and kept immersed in waterduring break periods to prevent the paint from hardening on the brush. Old brushes, if used shallbe completely dried of turpentine / oil paints by washing in warm soap water.ii. No oil base puttied shall be used in filling cracks / holes.iii. Washing of painted surface shall not be done within 3-4 weeks of application.14.1.5 Protective measuresSurface of distempering over existing distempered surface, the existing distempering shall be scrapped bysteel scrapers leaving a clean surface.All nails shall be removed. Pitting in plaster shall be made good with plaster of paris mixed with drydistemper of colour to be used. The surface then shall be rubbed down again with a fine grade sand paperand made smooth. A coat of distemper shall be applied over the patches. The surface shall be allowed todry thoroughly before the regular coat of distemper is allowed.The surface affected by moss, fungus, algae efflorescence shall be treated in accordance with IS 2395.14.2 ACRYLIC COPOLYMER AGGREGATE FINISH14.2.1 MaterialIt shall be an acrylic based textured wall coating consisting of quartz and silica aggregate, inorganicpigments and other additives to form a crack free, flexible, tough, water proof coating.14.2.2 Preparation of SurfaceThe surface to be coated shall be cleaned and all dirt, dust, grease and loose particles shall be removed.Any old textures surface shall be removed with removing agent as per manufacturer’s instructions.