Construction of RCC Slab Culvert including approach work on NH-31 Sialmari to Dangaigaon road (At Ch.550.00m) in Chirang District under SOPD-G for the year 2022-23.PKG NO.16_8

Amount

(A) Road Work: Removing all types of Hume pipes and stacking within a lead of 1000 m including Earthwork and Dismantling of Masonry Works as per Technical Specification Clause 202.

Clearing and grubbing of road land including up rooting wild vegetation, grass, bush, shrubs, saplings and trees of girth upto 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable materials to be used or auctioned, up to a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per Technical Specification Clause 201. i) By Manual Means. A) In area of non thorny jungle.

Construction of embankment with approved materials obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacted to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 By Mechanical Means, Private Land

Construction of sub-grade and earthen shoulders with approved materials obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement Table 300.2 with a lead up to 1000 m as per Technical Specification Clause 303.1. By Mechanical Means, Private Land

Construction of granular sub-base by providing close 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. (ii) For Grading-II Material

WBM: Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tones in stages to proper grade and camber, applying and brooming, screening/binding materials to fill-up the interstices of coarse aggregate, watering and compacting to the required density. A) By Mamual Means III) WBM Grading-III

Providing and laying interlocking concrete block pavement (M-40) having thickness 80mm as per technical specification clause 1504 . (Including of Edge restraint and carriage)

Retro Reflectirised Traffic Sign Providing and erecting direction and place identification retro-reflective signs as per IRC:67 made of encapsulated lens type reflected sheeting vide clause 1701.2.3 fixed over aluminium sheeting 2mm thick with area not exceeding 0.9 sqm suported on 2 inc dia GI pipe firmly fixed to the ground by means of properly designed foundation with M-15 grade cement concrete 450 x 450 x 600 mm, below ground level as per approved drawing and Technical Specification Clause 1701.

Planting of Trees and their Maintenance for three years (Planting of trees by the road side (Avenue trees) in 0.60m dia holes, 1 m deep dug in the ground mixing the soil with decayed from yard/sludge mannure, planting the saplings, backfilling the tranches watering fixing the tree guatrd and maintaining the plants for three year.

(B) Cd Work: RCC Slab Culvert of 6.00m Span, 1 No.: 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.

Providing concrete for plain/reinforced cement concrete in open foundations complete as per drawings and technical specifications Clause 802 A. With Natural Gravel i) P.C.C Grade M10

Providing concrete for plain/reinforced cement concrete in open foundations complete as per drawings and technical specifications Clause 802. A. With Natural Gravel i) P.C.C Grade M20

Providing and laying reinforced cement concrete in superstructure as per drawing and technical specifications Clauses 800, B. With Natural Gravel (iii) For Design mix RCC M-20

Drainage spouts complete as per drawing and technical specifications Clause 1209

Providing and filling joint sealing compound as per drawings and technical specifications clause 1002.

Supplying, fitting and placing TMT bar (Fe 500D) reinforcement bar (From Primary Producer: TATA/SAIL/Esser Steel/Jindal Steel/Shyam Steel/RINL) in super structrue complete as per drawings and technical specification.

Providing weepholes in brick masonry/stone masonry, plain/reinforced concrete abutment, wing wall, return wall with 100 mm dia AC pipe extending through the full width of the structures with slope of 1(V):20(H) towards drawing face complete as per drawing and technical specification Clause 800.

Providing and laying cement concrete wearing course M 30 grade including reinforcement complete as per drawing and technical specifications Clauses 800 and 1206.3

Providing of RCC railing of M30 grade in-situ with 20mm nominal size aggregate,true to line and grade, tolerance of vertical RCC post to exceede 1 in 500, centre to center spacing between vertical post not to exceed 2000m as per drawing and technical specification clause 800, 900 & 1208.3

Providing and laying of boulder apron laid in wire crates with 4 mm dia GI wire conforming to IS:280 and IS:4826 in 100 mm x 100 mm mesh (woven diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 25 kg each as per drawing and technical specification.

Providing and laying filter material underneath pitching in slopes complete as per drawing and technical specifications Clause 1302

Providing and laying pitching on slopes laid over prepared filter media as per drawing and technical specifications Clause 1302 (I) Stone/boulder

AMIO KUNGOR BASUMATARY

HARSHAJIT ROY