annual plan-4/kka/25-26/renovation works to chalakka lp school-renovation works to chalakka lp school-general civil work--- 1 maintenance work 2 10.16.1:steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete.hot finished welded type tubes 3 od164287/2025-2026:providing and fixing precoated galvanised iron profile sheets (size, shape and pitch ofcorrugation as approved by engineer-in-charge) 0.35 mm (+0.05%), total coatedthickness 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 scratchesduring transportation and should be supplied in single length upto 12 metre or as desiredby engineer-in-charge. the sheet shall be fixed using self drilling/self tapping screws ofsize (5.5x55mm) with epdm seal, complete upto any pitch in horizontal/ vertical orcurved surfaces, excluding the cost of purlins, rafters and trussesnd including cutting tosize and shape wherever required. 4 13.60.1:wall painting with acrylic emulsion paint of approved brand and manufacture to give an even shade:two or more coats on new work 5 13.61.1:painting with synthetic enamel paint of approved brand and manufacture to give an even shade:two or more coats on new work 6 od259077/2025-2026: construction of granular sub-base by providing close graded material conforming to specifications, spreading in layers, leveling the top at site 7 od243568/2025-2026:providing and laying departmental interlocking concrete block pavements using 60 mm m30 paver blocks made by strong vibratory compaction of approved size, design and shape, laid in required pattern over and including a compacted bed of 6mm stone aggregate of 50 mm average thickness etc complete as per the direction of engineer-in-charge 8 od243676/2025-2026:od1283440/2021_2022 :providing and laying 60 mm thick factory made cement concrete interlocking paver block of m - 30 grade made by block making machine with strong vibratory compaction, of approved size, design & shape, laid in required colour and pattern over and including 50 mm thick compacted bed of stone aggregate, etc. all complete as per the direction of engineer-in-charge. od 80/21-22 9 4.1.3:providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level:1:2:4 (cement : 2 coarse sand (zone-iii)derived from natural sources : 4 graded stone aggregate 20 mm nominal sizederived from natural sources) 10 2.6.1:earth work in excavation by mechanical means (hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by engineer-in-charge.all kinds of soil 11 50.6.2.2:solid masonry using pre cast solid blocks (factory made) of size 30x20x15cm or nearest available size confirming to is 2185 part i of 1979 for super structure up to floor two level with thickness 15cm in : cm 1:6 ( 1 cement : 6 coarse sand) etc complete 12 13.1.1:12 mm cement plaster of mix:1:4 ( 1 cement : 4 fine sand) 13 od288777/2025-2026: coolie