GAIL (India) Limited

5913.2.4 SCAFFOLDINGThe specifications in respect of scaffolding, protective measures shall be as described under whitewashing.13.3 WATER PROOF CEMENT PAINT13.3.1 MATERIALCement paint of required colour and of approved brand and manufacture conforming to IS : 5410 shall beused. Before application of the cement paint the shade shall be got approved from the Consultant. Cementpaint shall be mixed with water in two stages. The first stage shall comprise of 2 parts of cement paint andone part of water stirred thoroughly and allowed to stand for 5 minutes. Care shall comprise of addingfurther one part of water to mix and stirring thoroughly to obtain a liquid of workable and uniformconsistency. In all cases the manufacturer’s instructions shall be followed meticulously.Cement paint shall be mixed in such quantities as can be used up within a hour of its mixing as otherwisethe mixture will set and thicken, affecting flow and finish.The lids of cement paint shall be kept tightly closed when not in use, as by exposure to atmosphere thecement paint rapidly become air set due to its hygroscopic qualities.13.3.2 PREPARATION OF SURFACEFor new work, the surface shall thoroughly be cleaned of all mortar dropping, dirt, dust, algae, grease andother foreign matter by brushing and washing. The surface shall be thoroughly wetted with clean waterbefore the cement paint is applied.13.3.3 APPLICATIONFor new work, the treatment shall consist of a priming coat of cement paint following by the applicationof two or more coats of cement paint till the surface shows on even colour. For each coat, the entiresurface shall be coated with the mixture, uniformly, with proper cement paint brushes in horizontalstrokes followed immediately by vertical ones which together shall constitute one coat.The subsequent coats shall be applied only after the previous coat has dried The finished surface shall beeven and uniform and shall show no brush marks.Enough cement paint shall be mixed to finish one room at a time The application of a coat in each roomshall be finished in one operation and no work shall be started in any room, which cannot be completedthe same day After each days work, the brushes shall be washed in hot water and hung down to dry Oldbrushes which are dirty or caked with painting shall not be used.13.3.4 SCAFFOLDINGThe specifications in respect to 13.1.1 scaffolding protective measures shall be as described above underwhite washing.14. SPECIFICATIONS FOR ACRYLIC EMULSION PAINTING:14.1 Workmanship:14.1.1 Scaffolding:Wherever scaffolding is necessary, it shall be erected on double supports ties together by horizontalpieces, over which scaffolding planks will be fixed No ballies, bamboos or planks shall rest on or touchthe surface which is being white washedWhere ladders are used, pieces of old gunny bags shall be tied on their tops to avoid damage or scratchesto walls.