tender for general-kanjikuzhi g p 2024-25 puthanabalam school maintenance-p/92-general civil work - maintnance 2 15.28.2:dismantling roofing including ridges, hips, velleys and gutters etc., and stacking the material within 50 metres lead of :asbestos sheet 3 od469947/2024-2025:providing and fixing aluminium trafold sheet precoated (size, shape and pitch of corrugation as approved by engineer-in-charge) 0.45mm or nearest available thickness, total coated thickness with zinc coating 120 grams per sqm as per is: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by engineer-in-charge. the sheet shall be fixed using self drilling/self tapping screws of size (5.5x55mm) with epdm seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required. 4 12.4.2:providing ridges or hips width 60 cm overall width plain g.s. sheet fixed with polymer coated j or l hooks, bolts and nuts 8 mm dia g.i. limpet and bitumen washers complete.0.63 mm thick with zinc coating not less than 275 gm/m2 5 10.2:structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. 6 od476421/2024-2025:providing and fixing aluminium pathy 900 mm wide on already fixed steel frame work etc complete.( cost of frame work paid sepertly) 7 15.2.2:demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of engineer - in-charge.nominal concrete 1:4:8 leaner mix ( including equivalent design mix) 8 13.1.1:12 mm cement plaster of mix:1:4 ( 1 cement : 4 fine sand) 9 11.39:providing and laying rectified glazed ceramic floor tiles of size 300x300 mm or more (thickness to be specified by the manufacturer), of 1st quality conforming to is: 15622, of approved make in colours white, ivory, grey, fume red brown, laid on 20 mm thick cement mortar 1:4 (1 cement : 4 coarse sand), including grouting the joints with white cement and matching pigments etc., complete. 10 od476554/2024-2025:providing and fixing pvc door including cost of material and labour 11 od476562/2024-2025:proving man mazdoor for cleaning surroundings ..etc of building