Package No.RIDF-XXIX/Cachar/02 Const of RCC (BUG Bridge) ove River Jatinga near Purandarpur Shibbari from Badarpur Pt-I to Badarpur Pt-II under Mukhya Mantrir Unnoto Pakipath Nirman Achani under RIDF-XXIX of NABARD for the year 2023-24 Borkhola LAC

Amount

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.'(II) With dewatering upto 3.00 m to 6.00m depth.

Providing and constructing temporary island for construction of pile foundation with depth of water upto 4.0m complete as per technical specification.

Driven cast-in-place vertical M35 grade R.C.C. piles excluding reinforcement complete as per drawing and & Technical Specification (Pile diameter - 1200 mm).

Pile load test on single vertical pile in accordance with IS:2911(Part-IV)a) Initial and routine load test.

Providing and laying of PCC M15 levelling course below the pile cap as per drawing and technical specification of MORTH Section

Cement concrete for reinforced concrete in pile cap complete as per drawing and Technical Specification A RCC Grade M -25 (i) Using concrete mixer

Reinforcement in Foundation: Supplying, fitting and placing conforming to IS:1786 TMT reinforcement bar Fe500 in foundation complete as per drawing and technical specifications TMT - IS 1786 (Fe-500 D) from Primary Producer like TATA/SAIL/SHYAM STEEL/ESSER STEEL/JINDAL STEEL/RINL etc.

Sub-Structure:-Plain/Reinforced Cement concrete, in Substructure complete as per Drawing and Technical Specifications and steel shuttering formwork. F. RCC Grade M 25 (a) Height up to 5.0 m Case – I : Using Concrete Mixer

Sub-Structure :-Supplying, fitting and placing conforming to IS:1786 TMT reinforcement bar Fe-500 from primary producer like TATA/SAIL/SHYAM STEEL/ESSER STEEL/JINDAL STEEL/RINL etc. in Sub-Structure complete as per drawing and technical specifications TMT - IS 1786 (Fe-500 D) from Primary Producer like TATA/SAIL/SHYAM STEEL/ESSER STEEL/JINDAL STEEL/RINL etc.

Super-Structure:-'Furnishing and Placing Reinforced / Prestressed cement concrete in super-structure as per drawing and Technical Specification' including steel shuttering formwork.(A) RCC Grade Grade M25 CASE-(I) Using Concrete Mixture (i) For T- Beam and Slab (a) Height up to 5 m to 10 m

Providing and laying Cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and Technical Specifications

Drainage Spouts complete as per drawing and Technical specification

Providing and laying of a strip seal expansion joint catering to maximum horizontal movement upto 70 mm, complete as per approved drawings and standard specifications to be installed by the manufacturer/supplier or their authorised representative ensuring

Supplying, fitting and placing conforming to IS:1786 TMT reinforcement bar Fe-500 from primary producer like TATA/SAIL/SHYAM STEEL/ESSER STEEL/JINDAL STEEL/RINL etc. in Super Structure complete as per drawing and technical specifications.TMT - IS 1786 (Fe-500 D) from Primary Producer like TATA/SAIL/SHYAM STEEL/ESSER STEEL/JINDAL STEEL/RINL etc.

Supplying fitting and fixing in position true to line and level cast steel rocker bearing conforming to IRC - 83 pt I section ix and cl 2003 of MORTH specification

Supplying, fitting and fixing in position true to line and level forged steel roller bearing conforming to IRC: 83(Pt.-1) section IX and clause 2003 of MoRTH specifications complete including all accessories as per drawing and Technical Specifications.

Structural steel Built-Up-Girder (BUG) :-Providing and launching Steel Truss of Structural steel BUG Super Structure including painting complete as per as per drawing and technical specifications under Section 1900 of MOST.)

Providing weepholes in brick masonry/stone masonry, plain/reinforced concrete abutment, wing wall, return wall with 100 mm dia AC pipe etc. complete as per drawing and technical specification clause.

Providing and constructing one span service road to reach island location from one pier location to another pier location.

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical Specification

Construction of Embankment with Material Obtained from Borrow Pits.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 compacting to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5.(i) Private Land.

Construction of Subgrade and Earthen Shoulders. Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads transporting to site spreading grading to required slope and compacted to meet requirement of Table 300.2 with upto 1000 m as per Technical Specification Clause 303 (i) Private Land

Construction of Granular Sub-Base by providing well graded material spreading in uniforms layers by tractor with grading attachment 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.

WBM Grading -III.Providing laying spreading and compacting stone aggregate of specific sizes to water bound macadam specification including spreading in uniform thickness hand packing rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber applyying and brooming stone screening/binding materials to fill up the interstices of coarse aggregate watering and compacting to the reqoured density Grading 2 as per Technical Specification Clause 405.(A) By Manual Means.(ii) Hand broken metal from River Boulder.(B) Grading No.III

Interlocking pavement block (i) Providing and laying interlocking concrete block pavement (M40) having thickness 80mm as per technical specification clause 1504 complete including carriage. a) Including Edge block/ Edge restraints

Boulder apron laid in wire crates (Providing and laying of boulder apron laid in wire crates made with 4mm dia GI wire conforming to IS: 280 & IS:4826 in 100mm x 100mm mesh (weaved diagonally) including 10% extra for laps and joints laid with stone boulders weighting not less than 40Kg each.)

Providing and laying Filter material underneath pitching in slopes complete as per drawing and Technical specification

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

Metal Beam Crash Barrier, Type - A: "THRIE" Metal Beam Crash Barrier (Providing and erecting a "Thrie" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 85 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2m center to center, 12 m high, 1.15m below ground level, all steel parts and fitments to be galvanized by hot dip process, all fitting to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel section 150mmX75mmX5mm, 546mm long complete as per clause 810.)

Earth work in excavation for structureas as per drawing and technical specification Cl;305.1 , including setting out, construction of shoring and bracing,removal of stumps and other deleterious materials and disposal upto a lead

Providing Concrete for plain/reinforced concrete in open foundation complete as per drawing and technical specification Clause 802, 803, 1202 & 1203 B. with Natural Gravel (i) PCC Grade M-15 (I) Nominal mix 1:3:6.

Brick masonary work in cement mortar 1:3 in foundation complete excluding pointing and plastaring as per drawing and technical specification Cl.600, 1202 &1203 II Brick Masonry 1:4 cement morter

Providing & laying reinforced cement concrete pipe NP3 as per designed in single row for culvert on 1 st class beddting of granular materials including fixing of collars with cement mortor 1:2 asper CL No. 1106. 1000mm Dia

Plastering with Cement Morter (1:4), 15mm thick on brick work in sub structure as per drawing & technical specification.

Earth work in excavation for structureas as per drawing and technical specification Cl;305.1 , including setting out, construction of shoring and bracing,removal of stumps and other deleterious materials and disposal upto a lead

Providing Concrete for plain/reinforced concrete in open foundation complete as per drawing and technical specification Clause 802, 803, 1202 & 1203 B. with Natural Gravel (ii) PCC Grade M-15 (I) Nominal mix 1:3:6.

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification ClausesB.With Natural GravelII.PCC Grade M 20 (III) Nominal mix 1:2:4.

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

Carrying out Sub Soil investigation (SSI) for all type of soil (except boring in rock) upto depthof 30 m or refusal (N=100) for each foundation location as per IRC 78-2014 and submission of SSI report to the Engineer in charge for approval . Preparation & submission of Design calculation & Drawings of foundation , sub structure,Super structure as relevant IRC Codes and SSI Report , 2( two) each of Design& Drawing of each bridge to be submitted for approval and 8 ( eight)copies after approval of competent authority. including providing and erecting informatory sign board as per norms of NABARD

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.Ordinary soil upto 3 m depth

PCC 1:3:6 in foundation (Plain cement concrete 1:3:6 in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days)

Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork RCC Grade M20. Height up to 5m ,Using concrete mixture.

Supplying, fitting and placing TMT IS:1786 (Fe 500) bar reinforcement in sub-structure complete as per drawing and technical specifications TMT-IS 1786 ( Fe-500 D) Secondary Producer (ISI approved)

'Wrought Iron and Mild Steel Welded Work (Wrought iron and mild steel welded work) (using angles, square bars, tees and channel grills, grating frames, gates and tree guards of any size and design etc. including cost of screens and welding rods or bolt and nuts complete fixed in position but without the cost of excavation and concrete for mixing which will be paid separately.

Painting on Steel Surfaces (Providing and applying two coats of ready mix paint of approved brand on steel surface after through cleaning of surface to give an even shade)

Painting Two Coats on New Concrete Surfaces' Painting two coats after filling the surface with synthetic enamel paint in all shades on new plastered concrete surfaces

Panna Deb

Debopriya Deb