tender for lrrp-2024-25,vengara lac, sl no:0858-nottappuramchalil pullisseri muhammed smaraka road concrete ,kannamangalam gp, malappuram district-general civil work - concrete roads 2 od443199/2024-2025:surface dressing of the ground including removing vegetation and in-equalities not exceeding 15 cm deep and disposal of rubbish, lead up to 50 m and lift up to 1.5 m. all kinds of soil 3 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 4 od443197/2024-2025: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 course aggregate not exceeding 25mm , mixed in concrete mixer etc complete as per specification (i) nominal mix (1:2:4) (excluding form work 5 od443213/2024-2025:providing and fixing of direction and place identification retro-reflectorised sign with 7 years warranty manufactured as per irc :67 made of type iv micro prismatic grade sheeting fixed over aluminium sheeting, 2 mm thick/ aluminium composite material sheeting 4 mm thick with area not exceeding 0.9 sqm, with suitable back supporting frame of ms angle 40x40x6 and supported on gi pipe pole 50mm nb-2 nos confirming to is 1239 firmly fixed to the ground by means of properly designed foundation with m 15 grade cement concrete min size 40 cm x 40 cm x 60 cm, 60 cm below ground level including painting all exposed surface with 2 coats of epoxy painting over epoxy primer and as per approved drawing and clause 801 including lettering symbols etc. (derived from mord spec 10.3.a.2)