Construction of Nabarun Nagar Path under SOPD G for the Year 2024 25

Dismantling of structure Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unservicable materials with all lifts and lead upto 1000m. By Manual Means I)B) cement concrete

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

Laying brick soling layer on prepared sub-grade with brick on end edging according to lines, graded and cross-section shown on the drawing filling joints with sand and earth, spreading 25 mm thick layer of earth over brick soling, watering and rolliing the same with three wheel road roller 80-100 kN as per Technical Specification Clause 412

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 aggregrette 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 vibrator and finished in continuous operation including p.p.g provision of contraction and expansion,construction joints,applying debondingstrips,primer,sealant,dowelbars,near approaches to bridge/culverts and construction joints,admixture as approved,curing of concrete slabs for 14 days.

Tubular Steel Railing on Medium Weight Steel Channel (ISMC series) 100 mm x 50 mm Providing, fixing and erecting 50 mm dia steel pipe railing in 3 rows duly painted on medium weight steel channels (ISMC series) 100 mm x 50 mm, 1.2 m high above ground, 2 m centre-to-centre, complete as per approved drawings Clause 1706

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 7mm firmly fixed to the ground by means of properly design foundation with M-15 grade Cement concrete 45cx45cmx60cm below level as per approved drawing and sign.(All the steel work must be Tata /Sail/or any other approved brand . 60 cm equilaterial triangle

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 7mm firmly fixed to the ground by means of properly design foundation with M-15 grade Cement concrete 45cx45cmx60cm below level as per approved drawing and sign.(All the steel work must be Tata /Sail/or any other approved brand . 80cmx 60cm rectangular.

Excavation for Structures (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 and backfilling with approved material. 1.Ordinary soil A.Manual Means (I) Without dewatering

Removal of unsuitable soil including excavation, loading and disposal upto 1000 m lead but excluding compaction ground supporting embankment subgrade replacement by suitable soil, which shall be paid separately as per Clause 303.5.2 as per Technical Specification Clause 302.3.11

Providing and laying of dry rubble flooring complete as per drawings and technical specifications Clause 1303.3

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 PCC M10 Nominal Mix 1:3:6

Supplying, fitting and placing TMT (Fe-500 D reinforcement bar (Other ISIapproved TMT reinforcement bar(SAI/BISCON/THERMAX orequivalent)) infoundation complete as per drawings and technical specificationsClauses1000 and 1202

Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification steel shuttering formwork. (E)R.C.C. Grade M20 (a) Height upto 5m

Stone masonry work: Uncoursed rubble masonry work in all retaining wall, wing wall, abutement etc. in cement mortar 1;6 withoutside face stone roughlyhammer dressed and inside (earthen side) undressed as per drawing and technical sopecifications including racking out joints and curing ,supplying and carriage of stone as directed.

Plastering with cement mortar (1:4), 15 mm thick on brickwork in substructure as per technical specification Clauses 613.4 & 1204

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 with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical specification

Back filling behind abutment, wing wall and return wall complete as per drawing and technical specification. (B) sandy materials