tender for rennovation to pupe school building (north facing building) allikulam head of ammour town panchayat , supplying and applying of two coats of putty of 3mm thick over the exposed reinforced cement concrete surface of ceiling including finishing the joints smoothy with grinding machine and the surface shall be thoroughly cleaned out of dust and scrubbing. the surface shall then be allowed to dry for atleast 48 hours. it shall then be sand papered (waterproof abrasive sheet) to give a smooth and even surface. any unevenness shall be made good by applying 1st coat of putty mixed with water on the entire surface including filling up the undulations and applying 2nd coat of putty after 6 hours of 1st coat of putty and then sand papering (waterproof abrasive sheet) the same after it is dry and finishing the surface smoothly, etc., complete complying with standard specifications and as directed by the departmental officers. [ the rates are inclusive of hire charges for grinding machine with wheel, cost of sand paper (waterproof abrasive sheet), cost of putty blade, labour charges for grinding the joints and sand papering, two coat of putty, scrapping the putty area to level the surface smooth, etc., complete]. the putty shoule be got approved by the executive engineer before use on work. , dismantling pressed tiles & weathering course , dismantling plain cement concrete , plain cement concrete 1:2:4 (one cement, two m.sand and four hard broken stone jelly) using 10 -12mm jelly for wearing coat including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers. , paving the top of roof with solar reflective ceramic tiles of size 305 x 305 x 7mm thick of approved quality and colour laid in cement mortar 1:3 (one cement and three m.sand) 12mm thick and pointed with tile grout (nitotile grout or equivalent) and cement in the ratio of 1:3 for joint, curing etc., complete complying with standard