RWD/DUMKA/08/2025-26

Excavation for road work in soil with hydraulic excavator including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections, and tranporting to the embankment location within all lifts and lead upto 1000 m.

Compaction original ground supporting subgrade (Loosening of the ground upto a level of 500 mm below the subgrade level, watered, graded and compacted in layers to meet requirement of table 300-2 for subgrade construction.)

Construction of granular sub-base by providing close graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix place method with front end loader at OMC, and compacting with vibratory roller to achieve the desired density, complete as per Clause 401. (i) G.S.B Grading - I Materials by mix in Place Method.

Construction of un-reinforced, dowel jointed at expansion and construction joint only, Plain Cement Concrete Pavement, thickness as per design, over a prepared sub base, with 43 grade cement or any other type as per Clause 1501.2.2 M30 (Grade), coarse and fine aggregates conforming to IS:383, maximum size of coarse aggregate not exceeding 25 mm, mixed in a concrete mixer of not less than 0.2 cum capacity and appropriate weigh batcher using approved mix design, laid in approved fixed side formwork (steel channel, laying and fixing of 125 micron thick polythene film, wedges, steel plates including levelling the formwork as per drawing), spreading the concrete with shovels, rakes, compacted using needle, screed and plate vibrators and finished in continuous operation including provision of contraction and expansion, construction joints, applying debonding strips, primer, sealant, dowel bars, near approaches to bridge/culvert and construction joints, admixtures as approved, curing of concrete slabs for 14-days,

Construction of sub-grade and earthen shoulders with approved material obtained from Borrow pits with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of Table 300-2.

Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom, backfilling the excavation earth to the extent required a nd utilising the remaining earth locally for road work. Ordinary Soil Mechanical Means.

Providing and laying of dry rubble flooring complete as per drawings and technical specifications Clause 2506

Plain/Reinforced cement concrete in open foundation complete as per drawing and Technical Specifications (P.C.C. Grade M-15)

Stone Masonry Work in Cement Mortar 1:3 in Foundation complete as per Drawing and Technical Specifications Square Rubble Coursed Rubble Masonry (first sort) in C.M. (1:3) in foundation

Stone masonry work in cement mortar 1:3 for substructure complete as per drawing and Technical Specifications Coursed rubble masonry in C.M. (1:3) in (first sort ) sub-structure

Providing weep holes in Brick masonry/Plain/ Reinforced concrete abutment, wing wall/ return wall with 100 mm dia AC pipe, extending through the full width of the structure

Plain/Reinforced cement concrete in sub-structure complete as per drawing and Technical Specifications (P.C.C. Grade M-15 in Coping)

Plain/Reinforced cement concrete in sub-structure complete as per drawing and Technical Specifications (P.C.C/R.C.C. Grade M-20)

Furnishing and Placing Reinforced/ Prestressed cement concrete in sub-structure as per drawing and Technical Specification. (R.C.C. Grade M-25 in Deck Slab)

Providing and laying Cement Concrete Wearing Coat M-30 grade including reinforcement complete as per drawing and Technical Specifications (P.C.C/ R.C.C. Grade M-30 in Wearing Coat)

Supplying, fitting and placing HYSD bar reinforcement in sub-structure complete as per drawing and technical specifications HYSD Steel

15mm thick Plastering with cement mortar (1:3) on brick work in sub-structure as per Technical Specifications.

Concrete Surfaces (Painting two coats after filling the surface with synthetic enamel paint in all shades on new plastered concrete surfaces)

Providing and fixing of retro- reflectorised cautionary, mandatory and informatory sign as per IRC :67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing 801. 80 mm x 60 mm rectangular

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