Strengthening and Improvement of riding quality of road from Santirbazar to Amarpur upto Kuwamara via Devipur Kurma 33.950 km

Amount

A. Site Clearance

Clearing and Grubbing Road Land Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300 mm, removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per MoRT&H Technical Specification clause 201. (II) By Mechanical Means (B) In area of Non- thorny jungle

Dismantling of Structures Construction of embankment with approved material obtained from borrow pits with all lifts, 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 MoRT&H Technical Specification clauses of section 300

(ii) By Mechanical Means (A)Cement Concrete grade M-15 & M-20

(ii) Dismantling brick / tile work (B) In cement mortar

B. Earthwork & Side Development

Excavation in Soil using Hydraulic Excavator CK 90 and Tippers with Disposal upto 1000 metres. Excavation for roadwork in soil with hydraulic excavator of 0.9 cum bucket capacity including cutting and loading in tippers, trimming bottom and side slopes in accordance with requirements of lines, grades and cross-sections and transporting to the embankment location with all lifts and lead upto 1000 m as per MoRT&H Technical Specification clauses of section 300.

Construction of Embankment with Material Obtained from Borrow Pits Construction of embankment with approved material obtained from borrow pits with all lifts, 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 MoRT&H Technical Specification clauses of section 300.

Construction of Embankment with Material Obtained from Roadway Cutting Construction of Embankment with approved materials deposited at site from roadway cutting and excavation from drain and foundation of other structures graded and compacted to meet requirement of table 300.2 and as per MoRT&H Technical Specification clauses of section 300.

Compacting Original Ground (i) Compacting 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 Tables 300.2 for subgrade construction as per MoRT&H Technical Specification clauses of section 300.

Making 50 mm x 50 mm Furrows Making 50 mm x 50 mm furrows, 25mm / 50mm deep, 450 to the center line of the road and at one metre interval in the existing thin bituminous wearing coarse including sweeping and disposal of excavated material within 1000 metres lead as per MoRT&H Technical Specification Clause 404.3.1. ( i ) 25 mm deep furrow cutting

C. SUB-GRADE

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 as per MoRT&H Technical Specification clauses of section 300.

D. Sub-Base ( Non- Bituminous)

By Mix in Place Method Construction of granular sub-base by providing well graded material (Jhama Brick Aggregate, as per Table:- 400.1, Grading-I), spreading in uniform layers with tractor with attachments or motor grader on prepared surface, mixing by mix in place method with rotavator at OMC, applying and brooming sand to fill up the interstices of coarse aggregate, watering and compacting with smooth wheel roller to achieve the desired density, complete as per MoRT&H Technical Specification Clause 401. (i) For Grading- I Material (Jhama brick aggregate)

Wet Mix Macadam Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver finisher in sub- base /base course on well prepared surface and compacting with vibratory roller to achieve the desired density as per MoRT&H Technical Specification Clause 406.

E. Base & Surface Courses( Bituminous)

Prime Coat Providing and applying primer coat with bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.6 kg/sqm using mechanical means as per MoRT&H Technical Specification Clause 502.

Tack Coat Providing and applying tack coat with bitumen emulsion (RS-1) using emulsion pressure distributor at the rate of 0.20 kg per sqm on the prepared bituminous / granular surface cleaned with Hydraulic broom as per MoRT&H Technical Specification Clause 503.

Bituminous Macadam Providing and laying bituminous macadam with 100-120 TPH hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading premixed with bituminous binder, transported to site, laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled as per clauses 501.6 and 501.7 to achieve the desired compaction as per MoRT&H Technical Specification Clause 504. B. Grading II (i) With Viscosity Graded Bitumen of VG-30.

Bituminous Concrete Providing and laying bituminous concrete with 100-120 TPH batch type hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 5.4 to 5.6 per cent of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORT&H specification clause No. 509 complete in all respects. B. Grading II (i) With Viscosity Graded Bitumen of VG-30.

F. CROSS- DRAINAGE WORK

Excavation for Structures Earthwork in excavation for structures as per drawing and MoRT&H technical specifications Clause 304 including setting out, construction of shoring & bracing, removal of stumps & other deleterious material and disposal upto a lead of 50 m, dressing of sides & bottom and backfilling in trenches with excavated suitable material. (A) Ordinary Soil. A. By Manual Means (i) Upto 3 m depth

Sand Filling in foundation trenches as per drawing & MoRT&H technical specification clause 304.

PCC 1:3:6 (using jhama brick aggregate) in Foundation Plain cement concrete 1:3:6 nominal mix in foundation (using jhama brick aggregate) 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days as per drawings & MoRT&H technical specifications Clauses 2100. (including centering, shuttering, staging etc. but excluding reinforcement)

Plain/reinforced cement concrete in substructure complete including formwork as per drawings & MoRT&H technical specification Clauses 1500, 1700, 2200. (including centering, shuttering, staging etc. but excluding reinforcement) (vi) RCC Grade M 25 a. upto 5 m height Case - I : Using Concrete Mixer

Supplying, fitting & placing Thermo-Mechanically treated bar/ Cold twisted deformed steel bar reinforcement in substructure complete as per drawings & MoRT&H technical specification Clauses 1600, 2200.

Plain/ Reinforced cement concrete in superstructure including all formworks required as per drawings & MoRT&H technical specifications Clauses 1500, 1700, 2100. (including centering, shuttering, staging etc. but excluding reinforcement) B. R.C.C M 25 Case - I : Using Concrete Mixer i) For solid slab superstructure a. Height upto 5 m

Supplying, fitting & placing Thermo-Mechanically treated bar/ Cold twisted deformed stee bar reinforcement in superstructure complete as per drawings & MoRT&H technical specification Clauses 1600.

Brick masonry work in cement mortar in foundation completed excluding pointing & plastering as per drawing & MoRT&H technical specifications Clauses 1300. (iii) Brick masonry in 1:4 cement mortar

Brick masonry work in cement mortar in substructure complete excluding pointing & plastering, as per drawing & MoRT&H technical specification Clauses 1300, 2200. (ii) In 1:4 cement mortar

Providing weep holes in brick masonry/ stone masonry, plain/ reinforced concrete abutment, wing wall, return wall with 100 mm dia AC pipe or uPVC pipe (110 mm OD of 6.0 Kg/cm2 pressure) extending through the full width of the structures with slope of 1(V):20(H) towards drawing face complete as per drawing and MoRT&H technical specification clauses 2706, 2200.

Providing & laying filter media with jhama brick aggregates as per specification to a thickness of not less than 600 mm with smaller size towards the soil & bigger size towards the wall & providing over the entire surface behind abutment, wing wall, return wall to the full height, compacted to firm condition complete as per drawing and MoRT&H technical specification clause 2504.2.2

Providing and laying Cement concrete wearing coat M-30 grade including all formworks & required reinforcement complete as per drawings & MoRT&H technical specification Clauses 2702.(including centering, shuttering, staging etc. but excluding reinforcement)

Providing and placing in position drainage Spouts complete as per drawing (SD/205) and MoRT&H Technical Specification Clause 515, 2705.

Painting Two Coats on New Concrete Surfaces Providing and painting two coats with synthetic enamel paint in all shades on new plastered concrete surfaces as per MoRT&H Technical Specification Clause 803.

i. Cement concrete blocks (size 0.5 x 0.5 x 0.5 m) Providing and laying of apron with cement concrete blocks of size 0.5 x 0.5 x 0.5 m cast in-situ and made with nominal mix of M 15 grade cement concrete with a minimum cement content of 250 kg/cum as per IRC: 21- 2000 as per drawings & MoRT&H technical specifications Clauses 2503.

G. PROTECTION WORKS

Excavation for Structures Earthwork in excavation for structures as per drawing and MoRT&H technical specifications Clause 304 including setting out, construction of shoring & bracing, removal of stumps & other deleterious material and disposal upto a lead of 50 m, dressing of sides & bottom and backfilling in trenches with excavated suitable material. (A) Ordinary Soil. A. By Manual Means (i) Upto 3 m depth

Sand Filling in foundation trenches as per drawing & MoRT&H technical specification clause 304.

PCC 1:3:6 (using jhama brick aggregate) in Foundation Plain cement concrete 1:3:6 nominal mix in foundation (using jhama brick aggregate) 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days as per drawings & MoRT&H technical specifications Clauses 2100. (including centering, shuttering, staging etc. but excluding reinforcement)

Plain/reinforced cement concrete (using jhama brick aggregate) in substructure complete including formwork as per drawings & MoRT&H technical specification Clauses 1500, 1700, 2200. (including centering, shuttering, staging etc. but excluding reinforcement) (i) PCC M 15 Grade (using jhama brick aggregate) Case - I : Using Concrete Mixer ( upto 5 m height )

Supplying, fitting & placing Thermo-Mechanically treated bar/ Cold twisted deformed stee bar reinforcement in substructure complete as per drawings & MoRT&H technical specification Clauses 1600, 2200.

Providing weep holes in brick masonry/ stone masonry, plain/ reinforced concrete abutment, wing wall, return wall with 100 mm dia AC pipe or uPVC pipe (110 mm OD of 6.0 Kg/cm2 pressure) extending through the full width of the structures with slope of 1(V):20(H) towards drawing face complete as per drawing and MoRT&H technical specification clauses 2706, 2200.

Providing & laying filter media with jhama brick aggregates as per specification to a thickness of not less than 600 mm with smaller size towards the soil & bigger size towards the wall & providing over the entire surface behind abutment, wing wall, return wall to the full height, compacted to firm condition complete as per drawing and MoRT&H technical specification clause 2504.2.2

Supplying and stacking mixed class brick bats (50% first class & 50% un-class) including carriage loading and unloading at the site of work complete as per direction of the Engineer-in-charge

Labour charge for filling/packing of mixed class brick bats in S.W.G. PVC wire crates of size of 1500 mm x 600 mm x 450 mm fastening with SWG GI wire and placing in river bed/slope properly as per direction of the Engg-in-Charge.

Manufacturing & supplying of machine made 4 mm G.I. wire crates chain link type size of cage 1500 mm x 600 mm x 450 mm having square mesh of 80 mm x 80 mm including carrying to the work site as per direction of the Engineer-in-charge(Weight of each cage shall not be less than 7.80 kg).

Turfing with sods Furnishing and laying of the live sods of perennial turf forming grass on embankment slope , verges or other locations shown on the drawing or as directed by the Engineer including preparation of ground, fetching of sods and watering as per MoRT&H Technical Specification clauses of section 300.

H. ROAD SIDE DRAIN/DRAINAGE WORK

Surface Drains in Ordinary Soil Construction of unlined surface drains of average cross- sectional area 0.4 sqm in ordinary soil to specified lines, grades, levels and dimensions as per MoRT&H Technical Specification clauses of section 300. Excavated material to be used in embankment with a lift upto 3 m and lead of 50 m (average lead 25 m).

Excavation for Structures Earthwork in excavation for structures as per drawing and MoRT&H technical specifications Clause 304 including setting out, construction of shoring & bracing, removal of stumps & other deleterious material and disposal upto a lead of 50 m, dressing of sides & bottom and backfilling in trenches with excavated suitable material. (A) Ordinary Soil. A. By Manual Means (i) Upto 3 m depth

Sand Filling in foundation trenches as per drawing & MoRT&H technical specification clause 304.

PCC 1:3:6 (using jhama brick aggregate) in Foundation Plain cement concrete 1:3:6 nominal mix in foundation (using jhama brick aggregate) 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days as per drawings & MoRT&H technical specifications Clauses 2100. (includingcentering, shuttering, staging etc. but excluding reinforcement)

Brick masonry work in cement mortar in foundation completed excluding pointing & plastering as per drawing & MoRT&H Technical Specifications Clauses 1300. (iii) Brick masonry in 1:4 cement mortar

Plastering with cement mortar (1:4) 12 mm thick on brickwork/ C.C. work including a finishing coat of neat cement punning with 2.75 kg of cement per sqm in substructure as per MoRD technical specification Clauses 613.4 & 1204.

I. Traffic Signs and Road Marking

Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of high intensity grade shetting vide MoRT&H technical specification 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 M 15 grade cement concrete 450 mm x 450 mm x 600 mm, 600 mm below ground level as per drawings and MoRT&H Technical Specification Clause 801.

i) with 900 mm equilateral triangle

ii) with 600 mm equilateral triangle

iii) with 600 mm circular

Direction and Place Identification Signs more than 0.9 sqm Size Board. Providing and erecting direction and place identification retro- reflectorised sign as per IRC :67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 2 mm thick with area exceeding 0.9 sqm supported on a mild steel angle iron post 75 mm x 75 mm x 6 mm, 2 Nos. firmly fixed to the ground by means of properly designed foundation with M 15 grade cement concrete 450 x 450 x 600 mm, 600 mm below ground level as per approved drawing and MoRT&H Technical Specification Clause 801.

Kilometre Stone Reinforced cement concrete M 15 grade kilometre stone of standard design as per IRC:8, fixing in position including painting and printing, etc. as per drawing and MoRT&H Technical Specification Clause 804.

(i) 5th Kilometre Stone(precast)

(ii) Ordinary Kilometre Stone(precast)

Metal Beam Crash Barrier A. Type - A, "W" : Metal Beam Crash Barrier Providing and erecting a "W" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 70 cm above road/ground level, fixed on ISMC series channel vertical post, 150 x 75 x 5 mm spaced 2 m centre to centre, 1.8 m high, 1.1 m below ground/road level, all steel parts and fitments to be galvanised by hot dip process, all fittings to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a spacer of channel section 150 x 75 x 5 mm, 330 mm long complete as per MoRT&H Technical Specification Clause 810.

Road marking strips (retro-reflective) of specified shade/ colour using Hot Applied Thermoplastic material with Reflectorising Glass Beads on Bituminous Surface Providing and applying 2.5 mm thick thick road marking strips (retro-reflective) of specified shade/ colour using hot thermoplastic material including reflectorising glass beads @ 250 gms per sqm area by fully/ semi automatic thermoplastic paint applicator machine fitted with profile shoe, glass beads dispenser, propane tank heater and profile shoe heater including cost of cleaning the road surface of all dirt, seals, oil, grease and foreign material etc, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35. The finished surface to be level, uniform and free from streaks and holes as per MoRT&H Technical Specification Clause 803.

Painting Two Coats on New Concrete Surfaces Providing and painting two coats with synthetic enamel paint in all shades on new plastered concrete surfaces as per MoRT&H Technical Specification Clause 803.

KISHORE ROY