annual plan-2025-26-vellangallur gp - maintenance of take- a- break-project no.319/2025-26-.-general civil work-1 maintenance 1.001 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 1.002 50.10.2:steel work for purlin/single section with g i pipes including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete 1.003 50.12.2.2:providing & fixing poly carbonate multi wall plain sheet 4 mm thick as approved by the engineer in charge and should be supplied in a single length of 12 m or as decide by the engineer in charge. the sheets shall be fixed using self drilling/ self tapping screw of size (5.5x55mm) with epdm seal complete upto any pitch in horizontal / vertical / curved surfaces, but excluding the cost of purlins, rafters, trusses and including cutting to size and shapes where ever required. 1.004 10.25.2:item shifted to sub head 14 as item 14.73item shifted to head 14 as item 14.74steel work welded in built up sections/framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.in gratings, frames, guard bar, ladder, railings, brackets, gates and similar works