tender for annual plan-kbp 2025-26 kunnumparambu ems road concreting and side protection in mathur gp-(pro 195/26)-general civil work - road concreting and side protection 2 od169634/2025-2026: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 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) 5 11.1.1.1:excavation for structures
earthwork in excavation for structures as per drawing and technical specifications clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material.
i. ordinary soil
(i) upto 3 m depth 6 11.4.1.1:providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications clause 802, 803, 1202 & 1203
i. p.c.c grade m 10
(i) nominal mix 1:3:6 7 75.8.1.1:providing plain/reinforced concrete(1 cement:2 fine aggregate: 4 course aggregate) forsubstructure as per drawings and technical specifications clause 802, 803, 1202 & 1203as required including compaction, finishing and tamping etc .complete. max. size ofcourse aggregate not exceeding 25mm , mixed in concrete mixer etc complete as perspecification (i) nominal mix (1:2:4) 8 12.7:supplying, fitting and placing tmt bar reinforcement (fe 415) in substructure complete as per drawings and technical specification clauses 1002, 1005, 1010 & 1202 9 10.3.b:direction and place indentification signs up to 0.9 sqm size board
b. semi-reflective traffic signs
providing and erecting direction and place identifications of semi reflective sign boards as per irc:67 made of 2 mm thick m.s. sheet duly stove enameled paint in white colour in front and grey colour on back with red reflective border of 70 mm width and required message, letters, figures with reflective engineering grade tape as per mord specifications of required shade and colour. supported and welded on 47 mm x 47mm of 12 swg square tube of 3050 mm height duly strengthened by 25 mm x 5 mm m/s flat iron on edges on back firmly fixed to the ground by means of properly designed foundations with m-15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per approved drawing and technical specification clause 1701 10 shoulder filling 11 51.2.3:filling with quarry muck
filling up low lying and water logged areas with local material/ quarry muck, spreading in layers, leveling the top at site and consolidation by ramming, etc complete for improving the cbr value of subgrade