GAIL (India) Limited

51Providing & fixing granite of approved quality and colour of required size mm double polished M/C cutof 20mm thick over floor surface in proper line. Level in CM 1:4 including finishing the joint withmatching colour cement, polishing the top surface etc., complete as per instruction of EIC/ Consultant.Granite stone shall be of best quality machine polished, Machine Cut and of approved colour, dense andhomogenous in texture free from cracks, decay, weathering and flaws. The stone shall be of required sizeand shall be 20 mm thick. The material shall have to be approved by Consultant before and afterprocurement. Before laying flooring, the surface shall be paved and thoroughly hacked, cleaned off allmortar scales, loose materials etc., unless and until the surface is approved by Consultant / Engineer-incharge,the laying shall not be done. The bedding with CM 1:4 proportion as directed by Consultant /Engineer-in-charge with minimum thickness of 30 mm layer shall be laid evenly and to the required slope.The granite shall be truly and evenly set in thin paste of next cement apply to the bottom and to theprepared base. The stone then shall be temped down with wooden mallet until they are exactly in trueplane and in line with adjacent stone.The stone shall be closed jointed and filled with matching cement. The entire surface of flooring shall bepolished with machine upto to mirror polish achieved including necessary use of antimony trioxideanxilix acid etc., as directed by Consultant / Engineer-in-charge.8.4.1 FINISHINGThe finishing of the surface shall follow immediately after the cessation of beating. The surface shall beleft for sometime, till moisture gets dried from its joints or top, Excessive trowel ling shall be avoided.Use of dry cement or cement and sand mixture sprinkled on the surface to stiffen the concrete or absorbexcessive moisture, shall not be permitted.8.4.2 CURINGThe curing shall be done for a minimum period of ten days. Curing shall not be commenced until the toplayer has hardened. Covering with empty cement gunnies shall be avoided as the color is likely to bebleached with the remanents of cement matter from the bags.9. DELETED10 CERAMIC TILES GLAZED AND MATT FINISHCeramic tiles in toilets and other areas where called for shall be non-slip ceramic tiles of approved makeand shade. The tiles shall be laid to the pattern as approved by the Consultant. The tiles shall be ofuniform color, true to size and shape and free from cracks, twists, uneven edges, crazing and otherdefects. The size and thickness of the tiles shall be as specified.The tiles shall be laid as per the pattern shown in the drawings over a bed of specified thickness of cementmortar leveled to a true surface. The surface of the bedding mortar shall be left rough to provide bond forthe tiles. A floating coat of thick cement slurry shall be laid over the screed to proper levels and the tilesset over the same firmly to correct line and levels.The joints shall be filled and finished neat with cement paste pigmented to the shade of the tile. The jointsshall be finished neat as directed and shall be straight, regular and uniform.On completion, the surface shall be washed with water, rubbed with fine saw dust and left clean.The finished floor surface shall be true to required levels.10.1 VTRIFIED TILES IN FLOORING AND SKIRTING10.1.1. VITRIFIED TILES