tender for general-ptrka gp 74/2025-26-renovation of stage to gup s karukappilly-general civil work - stage maintenance 2 od315306/2025-2026:providing and fixing aluminium profile sheets(size, shape and pitch of corrugation as approved by engineer-in-charge )0.460mm or nearest available thickness. 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. od71/21-2(approved data vide ce circular dated 18.08.2016) 3 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 4 13.1.2:12 mm cement plaster of mix:1:6 (1 cement : 6 fine sand). 5 13.43.1:applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface:water thinnable cement primer