tender for annual plan-pro.no.91/2025-2026-naduvamkunnam road maintenance in koduvyur gp-general civil work.; 1 concrete 2 3.5.2:excavation in soil with dozer with lead upto 100 mexcavation for roadway in soil by mechanical means including cutting and pushing the earth to site of embankment upto a distance of 100 m, including trimming bottom and side slopes in accordance with requirements of lines, grades and cross-sections. 3 od310625/2025-2026:filling available excavated earth (excluding rock) in trenches, plinth, sides of foundation etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m.(from dar 2.25) 4 4.1.a.1:granular sub-base with well graded material (table 400.1)
(a) by mix in place method
construction of granular sub-base by providing well graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at omc, and compacting with smooth wheel roller to achieve the desired density, complete as per technical specification clause 401.
(i) for grading i material 5 75.8.1:providing plain cement concrete for road work cc 1:2:4 (1 cement: 2 fine aggregate: 4course aggregate) laid to required slope and camber in panels (@ 3 m c/c) as requiredincluding compaction, finishing and tamping etc .complete. max. size of courseaggregate not exceeding 25mm , mixed in concrete mixer etc complete as perspecification (i) nominal mix (1:2:4) 6 od310626/2025-2026:supplying and providing readymade gi name board with all conveyance ,labour and hire charges etc complete using gi hollow tube of size 80x40x1.4mm post, 40x20x1.4mm outer frame,0.60mm thick iron sheet of size 90x60 cm with two coat of enamel painting over a coat of primer , lettering with suitable colour and size ,fixing the post in ground with cc1:2:4 etc complete.