Construction of Project Road including Ancillary Structures and Main Access Tunnel (MAT) including Power House Adit for 4 X 250 MW Turga PSP at Baghmundi, District Purulia, West Bengal

Site Clearance

Uprooting and Removing Stumps & roots, compaction of backfilling and stacking of serviceable material by manual means as per Technical Specifications Clause 201 for Rural Roads of MORD

Girth above 300mm to 600mm

Girth above 600mm to 900mm

Clearing grass and removal of rubbish up to a distance of 30m outside the periphery of the area by manual means and as per Technical Specifications Clause 201 for Rural Roads of MORD. By Manual Means

Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300mm, removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used, including removal and disposal of top organic soil not exceeding 150mm in thickness as per Technical Specifications Clause 201 for Rural Roads of MORD. By Mechanical Means In area of non-thorny jungle

Earthwork

Excavation in Soil using Hydraulic Excavator CK 90 and Tippers with disposal. 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 within all lifts and lead as per Clause 301 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (Mode of measurement : pre works and post works)

Excavation in Ordinary Rock using Hydraulic Excavator CK-90 and Tippers with disposal. Excavation for roadway in ordinary rock with hydraulic excavator of 0.9 Cum. bucket capacity including cutting and loading in tippers, transporting to embankment site within all lifts and lead, trimming bottom and side slopes in accordance with requirements of lines, grades and cross sections as per Clause 301 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (Mode of measurement : pre works and post works)

Excavation for Hard Rock Earth work in excavation in Hard Rock as per drawing and technical specification, including setting out, removing, spreading or stacking of spoils as directed and including trimming the sides of the trenches, leveling, dressing and ramming the bottom, and backfilling with approved material complete as per direction of the Engineer-in-Charge. In Hard rock (requiring blasting) including costof hire & operational charges of air compressor with necessary accessories and cost of all necessary blasting materials.

Removal of Unserviceable Soil with Disposal Removal of unserviceable soil including excavation, loading and disposal lead but excluding replacement by suitable soil which shall be paid separately as per Technical Specification Clause 302.3.11 for Rural Roads of MORD. (Mode of measurement : pre works and post works)

Construction of embankment with approved materials deposited at site from road way cutting and excavation from drain and foundation of other structures graded and compacted to meet requirement of tables 300.1 and 300.2 as per technical specification clause 301.5 for rural roads of MoRD including carriage of material.

Construction of embankment with approved material obtained from borrow pits (land arranged by WBSEDCL) 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 as per Technical Specification Clause 301.5 for Rural Roads of MORD. (Mode of measurement : pre works and post works)

Construction of Embankment with Material Obtained from Borrow Pits (land arranged by Contractor). Construction of embankment with approved material 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 as per Technical Specification Clause 301.5 for Rural Roads of MORD. (Mode of measurement : pre works and post works). The cost includes compensation for earth for land owned and arranged by Contractor, transportation of earth to the site, loading & unloading and for royalty charge on earth @ Rs 18.00 per m³ as per Govt. notification which will be paid on production of necessary documents in support of payment made towards the royalties. During initial payment of bill, a provisional deduction @ Rs 18.00 per m³ may be made.

Sub Base, Base (Non-Bituminous) and Shoulders

Granular Sub-base with Graded Material (Table:- 400-1) By Mix in Place Method : Construction of granular sub-base by providing graded material, mixing by mix in place method with Rotavator at OMC, spreading in uniform layers with Motor grader on prepared surface in proper grade and camber, compacting with vibratory roller to achieve the desired density, including lighting, guarding, barricading, including cost of all materials, machinery, tools and plants including cost of quality control complete as per Clause 401 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). Grading - I

Water Bound Macadam Base Course 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 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening / binding materials to fill up the interstices of coarse aggregate, watering including lighting, guarding, barricading and making necessary earthen bundh of one metre width on each side and preparing the bed by necessary cutting or filling, including cost of all materials and hire and labour charges of all men and machinery and compacting to the required density, as per Clause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). Grading-I Aggregate (63 mm to 45 mm) Using Stone Screening Type A (13.2 mm) Mechanical Means

Causeway

Earthwork in excavation for foundation of structures upto 3.00m depth as per drawing and technical specification clause 1104 for rural roads of MORD 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.

Providing and laying M15 Grade Cement Concrete as per Clause 1105 (i) for Rural Roads of MORD including shuttering.

Plain / Reinforced Cement Concrete in Open foundation with or without reinforcements, in any part of foundation of bridges / culverts with graded stone chips of appropriate nominal sizes, including screening and cleaning of coarse aggregates, fine aggregate (sand) conforming to proper grading zone, both of approved quality and cement, as necessary, cost of curing with water, including cost and carriage of all materials and including preparation of design mix, approval of the same by the Engineer-in-Charge, cost for quality control,sampling, testing etc. including cost of formwork but excluding reinforcement complete as per drawing and technical specifications. RCC Grade M20 Using concrete mixer

Plain / Reinforced Cement Concrete in Open foundation with or without reinforcements, in any part of foundation of bridges / culverts with graded stone chips of appropriate nominal sizes, including screening and cleaning of coarse aggregates, fine aggregate (sand) conforming to proper grading zone, both of approved quality and cement, as necessary, cost of curing with water, including cost and carriage of all materials and including preparation of design mix, approval of the same by the Engineer-in-Charge, cost for quality control, sampling, testing etc. including cost of formwork but excluding reinforcement complete as per drawing and technical specifications. RCC M35 Grade Using concrete mixer

Supplying, fitting and placing TMT bar reinforcement in Sub-structure including initial straightening, straightening of coils bars, removal of loose rust (if any), cutting to requisite length bending, binding with annealed wire not less than 1 mm in size and conforming to IS:280 at every intersection hooked and bent to correct shape and placed on forms etc. including cost of black annealed wire and cost of loading, unloading, carriage of all steel materials complete as per drawing and technical specifications and direction of Engineer-in-Charge.

Gabion Structure for Erosion Control, River Training works and Protection works Providing and constructing gabion structures for erosion control, river training works and protection works with wire crates of size 2m x 1m x 0.30m each divided into 1.0m compartments by cross netting, made from 4mm galvanised steel wire @ 32 kg per 10 Sqm. having minimum tensile strength of 300 MPa conforming to IS:280 and galvanizing coating conforming to IS:4826, woven into mesh with double twist, mesh size not exceeding 100mm x 100mm, filled with boulders with least dimension of 200mm, all loose ends too be securely tied with 4mm galvanised steel wire.

Supplying and laying Polythene Sheet (150gm / sq.m.) over damp proof course or below flooring or roof terracing or in foundation or in foundation trenches.

Providing and filling joint sealing compound as per drawings and technical specifications with coarse sand and 6% bitumen by weight.

Box Culvert

Earthwork in excavation for foundation of structures upto 3.00m depth as per drawing and technical specification clause 1104 for rural roads of MORD 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.

Providing and laying M15 Grade Cement Concrete as per Clause 1105 (i) for Rural Roads of MORD including shuttering.

Reinforced Cement concrete (M25) in open foundation with or without reinforcements in any part of foundation of bridges / culverts with graded stone chips of appropriate nominal sizes, including screening and cleaning of coarse aggregates, fine aggregate (sand) conforming to proper grading zone, both of approved quality and cement, as necessary, cost of curing with water, including cost and carriage of all materials and including preparation of design mix, approval of the same by the Engineer-in-Charge, cost for quality control, sampling, testing etc. including cost of formwork but excluding reinforcement complete as per drawing and technical specifications. RCC Grade M25 Using concrete mixer

Reinforced Cement Concrete (M25) in Substructure with coarse aggregates of appropriate nominal size and grading, fine aggregate (sand) conforming to proper grading zone, both of approved quality, cement and water reducing admixtures, as necessary, including labour, cost and carriage of all materials and including preparation of design mix, approval of the same by the Engineer-in-Charge and cost for quality control, sampling, testing etc. all complete as per drawing and technical specification including the cost of necessary form work and staging complete as per drawing and technical specifications. Height 5m to 10m Using concrete Mixer

Supplying, fitting and placing TMT bar reinforcement in Sub-structure including initial straightening, straightening of coils bars, removal of loose rust (if any), cutting to requisite length bending, binding with annealed wire not less than 1 mm in size and conforming to IS:280 at every intersection hooked and bent to correct shape and placed on forms etc. including cost of black annealed wire and cost of loading, unloading, carriage of all steel materials complete as per drawing and technical specifications and direction of Engineer-in-Charge.

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 Tables 300.1 and 300.2 as per Technical Specification Clause 301.5 for Rural Roads of MORD including carriage of material.

M.S. structural works in columns, beams etc. with simple rolled structural members (e.g. joists, angle, channel sections conforming to IS:226, IS:808 & SP(6)-1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-in-Charge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc welding conforming to IS:816-1969 & IS:1995 using electrodes of approved make and brand conforming to IS:814-2004, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour required for the work including all incidental chages such as electricity charges, labour insurance charges etc. For structural members of specified sections weighing less than 22.5 Kg./m.

Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc.

Painting the vertical end faces of posts, wheel guards or railing or parapet with alternate bands of different colours as directed by the Engineer-in-Charge with approved synthetic enamel paint. Two Coats

Laying of a geotextile filter between pitching and embankment slopes on which pitching is laid to prevent escape of the embankment material through the voids of the stone pitching / cement concrete blocks as well as to allow free movement of water without creating any uplift head on the pitching.

Drainage Spouts in Superstructure including providing drip mouldings and also including supplying, fitting and fixing approved type of materials complete as per drawing and Technical specification vide clause no. 2705 of MoRT&H’s Specification for Road & Bridge Works.

Supplying, fitting & fixing UPVC pipes A-Type for Weep Holes conforming to IS:13592-1992 and mending good damages complete, if necessary as per direction of E-I-C. UPVC Pipes 75 mm. Dia.

Protection Work

Retaining Wall

Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, removing, spreading or stacking of spoils as directed and including trimming the sides of the trenches,leveling, dressing and ramming the bottom, and backfilling with approved material complete as per direction of the Engineer-in-Charge. In ordinary rock (not requiring blasting). By mechanical means (using excavator of suitable capacity)

Earthwork in filling in foundation trenches with good earth in layers not exceeding 15cm. including watering and ramming layer by layer complete with earth obtained from excavation of foundation.

Providing and laying M15 Grade Cement Concrete at footing as per Clause 1105 (i) for Rural Roads of MORD including shuttering.

Laying of a geotextile filter between pitching and embankment slopes on which pitching is laid to prevent escape of the embankment material through the voids of the stone pitching / cement concrete blocks as well as to allow free movement of water without creating any uplift head on the pitching.

Masonry work with rough dressed Stones of size as directed with cement mortar, true to line, level and shape, including dressing and shaping boulders to size as required, curing complete including cost and carriage of all materials complete. With cement-sand mortar 1 : 6 In Road & Jhora Work

Supplying, fitting & fixing UPVC pipes A-Type for Weep Holes conforming to IS:13592-1992 and mending good damages complete, if necessary as per direction of E-I-C. UPVC Pipes 75 mm. Dia.

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification. Granular material

First class Brick work in cement sand mortar insteining of well, pier, abutment, wing wall, parapets cross drain. H.P. culverts, guard wall etc. Including curing, scaffolding, raking out joints etc. Complete including cost and carriage of all materials. In 1:6 proportion

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding / staging where necessary. [Excluding cost of chipping over concrete surface] With 1:4 cement mortar. 20 mm thick plaster.

Applying decorative cement based paint of approved quality after preparing the surface including scraping the same thoroughly (plastered or concrete surface) as per manufacturer's specification. Two coats

Breast Wall

Excavation for Structures Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, removing, spreading or stacking of spoils as directed and including trimming the sides of the trenches, leveling, dressing and ramming the bottom, and backfilling with approved material complete as per direction of the Engineer-in-Charge. In ordinary rock (not requiring blasting). By mechanical means (using excavator of suitable capacity).

Earthwork in filling in foundation trenches with good earth in layers not exceeding 15cm. including watering and ramming layer by layer complete with earth obtained from excavation of foundation.

Providing and laying M15 Grade Cement Concrete at footing as per Clause 1105 (i) for Rural Roads of MORD including shuttering.

Laying of a geotextile filter between pitching and embankment slopes on which pitching is laid to prevent escape of the embankment material through the voids of the stone pitching / cement concrete blocks as well as to allow free movement of water without creating any uplift head on the pitching.

Masonry work with rough dressed Stones of size as directed with cement mortar, true to line, level and shape, including dressing and shaping boulders to size as required, curing complete including cost and carriage of all materials complete. With cement-sand mortar 1 : 6. In Road & Jhora Work.

Supplying, fitting & fixing UPVC pipes A-Type for Weep Holes conforming to IS:13592-1992 and mending good damages complete, if necessary as per direction of E-I-C. UPVC Pipes 75 mm. Dia.

Catch Drain

Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, removing, spreading or stacking of spoils as directed and including trimming the sides of the trenches, leveling, dressing and ramming the bottom, and backfilling with approved material complete as per direction of the Engineer-in-Charge. In ordinary rock (not requiring blasting) By mechanical means (using excavator of suitable capacity)

Earthwork in filling in foundation trenches with good earth in layers not exceeding 15cm. including watering and ramming layer by layer complete with earth obtained from excavation of foundation.

Providing and laying M15 Grade Cement Concrete as per Clause 1105 (i) for Rural Roads of MORD including shuttering.

Plain / Reinforced Cement Concrete in Open foundation with or without reinforcements, in any part of foundation of bridges / culverts with graded stone chips of appropriate nominal sizes, including screening and cleaning of coarse aggregates, fine aggregate (sand) conforming to proper grading zone, both of approved quality and cement, as necessary, cost of curing with water, including cost and carriage of all materials and including preparation of design mix, approval of the same by the Engineer-in-Charge, cost for quality control, sampling, testing etc. including cost of formwork but excluding reinforcement complete as per drawing and technical specifications. RCC Grade M25. Using concrete mixer.

Labour for Chipping of concrete surface before taking up Plastering work.

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding / staging where necessary. (Ground floor). [Excluding cost of chipping over concrete surface] With 1:4 cement mortar 20 mm thick plaster

Neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc. NOTE : Cement 0.152 cu.m per 100 sq.m.

First class Brick work in cement sand mortar insteining of well, pier, abutment, wing wall, parapets cross drain. H.P. culverts, guard wall etc. Including curing, scaffolding, raking out joints etc. Complete including cost and carriage of all materials. In 1:6 proportion.

Supplying, fitting and placing TMT bar reinforcement in Sub-structure including initial straightening, straightening of coils bars, removal of loose rust (if any), cutting to requisite length bending, binding with annealed wire not less than 1 mm in size and conforming to IS:280 at every intersection hooked and bent to correct shape and placed on forms etc. including cost of black annealed wire and cost of loading, unloading, carriage of all steel materials complete as per drawing and technical specifications and direction of Engineer-in-Charge.

Rectangular Shaped Road Side Drain

Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, removing, spreading or stacking of spoils as directed and including trimming the sides of the trenches, leveling, dressing and ramming the bottom, and backfilling with approved material complete as per direction of the Engineer-in-Charge. In ordinary rock (not requiring blasting). By mechanical means (using excavator of suitable capacity)

Earthwork in filling in foundation trenches with good earth in layers not exceeding 15cm. including watering and ramming layer by layer complete with earth obtained from excavation of foundation.

Plain / Reinforced Cement Concrete in Open foundation with or without reinforcements, in any part of foundation of bridges / culverts with graded stone chips of appropriate nominal sizes, including screening and cleaning of coarse aggregates, fine aggregate (sand) conforming to proper grading zone, both of approved quality and cement, as necessary, cost of curing with water, including cost and carriage of all materials and including preparation of design mix, approval of the same by the Engineer-in-Charge, cost for quality control, sampling, testing etc. including cost of formwork but excluding reinforcement complete as per drawing and technical specifications. RCC Grade M20 Using concrete mixer

Labour for Chipping of concrete surface before taking up Plastering work.

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding / staging where necessary. (Ground floor). [Excluding cost of chipping over concrete surface] With 1:4 cement mortar 20 mm thick plaster

Neat cement punning about 1.5mm thick in wall, dado, windowsill, floor etc. (NOTE : Cement 0.152 cu.m per 100 sq.m).

Supplying, fitting and placing TMT bar reinforcement in Sub-structure including initial straightening, straightening of coils bars, removal of loose rust (if any), cutting to requisite length bending, binding with annealed wire not less than 1 mm in size and conforming to IS:280 at every intersection hooked and bent to correct shape and placed on forms etc. including cost of black annealed wire and cost of loading, unloading, carriage of all steel materials complete as per drawing and technical specifications and direction of Engineer-in-Charge.

Pipe Culverts

Earthwork in excavation for foundation of structures upto 3.00m depth as per drawing and technical specification clause 1104 for rural roads of MORD 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.

Earthwork in filling in foundation trenches with good earth in layers not exceeding 15cm. including watering and ramming layer by layer complete with earth obtained from excavation of foundation or from fresh excavation.

Construction of Embankment with Material Deposited 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 Tables 300.1 and 300.2 as per Technical Specification Clause 301.5 for Rural Roads of MORD including carriage of material.

Sand filling in foundation trenches and at the back of abutments, wing-walls etc. with good local sand free from earth in layers not exceeding 15 cm. including inundating each layer by profuse water and poking and ramming layer by layer complete including supply of sand. Quality of sand is to be approved by the Engineer-in-Charge.

Bedding of Pipe Type A (Concrete Cradle Bedding) Laying concrete, cradle bedding with M15 grade cement concrete as per clause 1105 (i) for rural roads of MORD.

Providing and Laying Reinforced Cement Concrete Pipe NP4 as per design in Single Row. Providing and laying reinforced cement concrete pipe NP4 with spigot socket for culverts on first class bedding of granular material in single row including fixing with cement mortar 1:2 as per Technical Specification Clause 1106 for Rural Roads of MORD (Ref P-223).

Masonry work with rough dressed Stones of size as directed with cement mortar, true to line, level and shape, including dressing and shaping boulders to size as required, curing complete including cost and carriage of all materials complete. With cement-sand mortar 1:6 In Road & Jhora Work

Plain / Reinforced Cement Concrete in Open foundation with or without reinforcements, in any part of foundation of bridges / culverts with graded stone chips of appropriate nominal sizes, including screening and cleaning of coarse aggregates, fine aggregate (sand) conforming to proper grading zone, both of approved quality and cement, as necessary, cost of curing with water, including cost and carriage of all materials and including preparation of design mix, approval of the same by the Engineer-in-Charge, cost for quality control, sampling, testing etc. including cost of formwork but excluding reinforcement complete as per drawing and technical specifications. RCC Grade M20 Using concrete mixer

Supplying, fitting and placing TMT bar reinforcement in Sub-structure including initial straightening, straightening of coils bars, removal of loose rust (if any), cutting to requisite length bending, binding with annealed wire not less than 1 mm in size and conforming to IS:280 at every intersection hooked and bent to correct shape and placed on forms etc. including cost of black annealed wire and cost of loading, unloading, carriage of all steel materials complete as per drawing and technical specifications and direction of Engineer-in-Charge.

Brick soling with picked jhama bricks including preparation of bed as necessary with brick joints properly filled in and packed with powdered earth and including necessary cushion of similar material below the soling (and in between layers when more than one layer is used) completes as per direction. Single brick flat soling (thickness 75 mm.)

Providing and laying boulders apron on river bed for protection against scour with stone boulders weighing not less than 40 kg each complete as per drawing and Technical specification. Boulder Laid Dry Without Wire Crates.

Cast in Situ Cement Concrete M20 Kerb Construction of cement concrete kerb with top and bottom width 115 and 165 mm respectively, 250 mm high in M20 grade PCC on M10 grade foundation 150 mm thick, foundation having 50 mm projection beyond kerb stone, kerb stone laid with kerb laying machine, foundation concrete laid manually, all complete as per clause 409 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (The rate is inclusive of cost of all materials, labour, hire and usage charges of machinery and all incidental charges in this connection.) Using Concrete Mixer

Printing New Letters and Figures of any Shade Printing new letter and figures of any shade with synthetic enamel paint black or any other approved colour to give an even shade as per drawings and Technical Specification Clause 801 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

Hindi / Bengali (Matras, commas and the like not to be measured and paid for. Half letters shall be counted as half only)

English and Roman

Direction and Place Identification Signs upto 0.9 Sqm. Size Board. Providing and erecting direction and place identification retro-eflectorised sign as per IRC:67 made of high intensity grade sheeting vide clause 801.3, fixed over aluminium sheeting, 2 mm thick with area not exceeding 0.9 sqm supported on a mild steel single angle iron post 75 x 75 x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45 x 45 x 60 cm, 60 cm below ground level as per approveddrawing and Clause 801 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

Providing & fixing Concrete Sign Board as per IRC specification of size 900 x 750 x 37 mm. thick made with RCC 1:1½:3 with pakur variety stone chips reinforced with double layer IRC febric (75 x 75 mm.mesh) and fixed with necessary nuts & bolts on two RC precast posts 100 mm. x 150 mm. of height 2.65 m. of which top 750 mm. is of section 100 x 13 mm. and 1.90 metre above GL & 0.75 metre below GL including digging hole, repacking the same with cement concrete 1:3:6 with jhama khoa or with local stone chips etc. complete including painting two coats on both faces lettering sign marks etc. as per direction of the Engineer-in-Charge. (The rate shall be inclusive of cost of reinforcement, concrete, shuttering, nuts & bolts, washer etc. complete.)

Road Delineators Supplying and installation of delineators (road way indicators, hazard markers, object markers), 80-100 cm high above ground level, painted black and white in 15 cm wide strips, fitted with 80 x 100 mm rectangular or 75 mm dia circular reflectorised panels at the top, buried or pressed into the ground and conforming to IRC-79 and the drawings.

Kilometre Stone : Reinforced cement concrete M15 grade kilometre stone of standard design as per IRC:8-1980, fixing in position including painting and printing etc. Ordinary kilometer stone (precast)

Painting (one coat) K.M. post with best quality synthetic enamel paint of approved make and brand of different shades as directed after cleaning and washing the surface including mending good damages as necessary complete in all respect.

Check Dam

Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, removing, spreading orstacking of spoils. as directed and including trimming the sides of the trenches, leveling, dressing and ramming the bottom, and backfilling with approved material complete as per direction of the Engineer-in-Charge. In ordinary rock (not requiring blasting) By mechanical means (using excavator of suitable capacity).

Earthwork in filling in foundation trenches with good earth in layers not exceeding 15cm. including watering and ramming layer by layer complete with earth obtained from excavation of foundation.

Masonry work with rough dressed Stones of size as directed with cement mortar, true to line, level and shape, including dressing and shaping boulders to size as required, curing complete including cost and carriage of all materials complete. With cement-sand mortar 1:6 In Road & Jhora Work

Providing and laying M15 Grade Cement Concrete as per Clause 1105 (i) for Rural Roads of MORD including shuttering.

Hire and labour charges for Shuttering with or without staging upto 4.0 m height using approved stout props with wooden planks / ply wood / steel sheet plate with required bracing for any kind of plain or reinforced concrete works in all sorts of minor structure including culvert, box culvert, cross drain etc. The rate is inclusive of fitting, fixing and striking out after completion of work as per specification and direction. Where staging is not required.

Flexible Apron Construction of flexible apron 1 m thick comprising of loose stone boulders weighing not less than 40 kg beyond curtain wall.

With Black Top

Providing and laying bituminous concrete with Hot Mix Plant using coarse aggregates, fine aggregates filler materials and bituminous binder of required specification including screening, cleaning of chip sand preparing a uniform and quality mix in Hot Mix Plant and ensuring a homogeneous mix, in which alparticles of the mineral aggregates are coated uniformly, transporting the hot mix to work site, layingthe mixed materials at specified laying temperature with a hydrostatic paver finisher with sensor control to the required grade, level and alignment ove rprepared surface coated with tack coat, rolling with smooth wheeled, vibratory and tandem rollers for break down, inter-mediate and finished rolling to achieve the desired density of at least 98% of that of Laboratory Marshall specimen, including cost and carriage of bitumen, coarse and fine aggregates and filler materials and hire charges of machineryand equipment for construction and quality control, fuels and lubricants and wages of operational staffcomplete as per Clause 507 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). For Grading 1 (19 mm nominal size, 50 mm thick.) Using Batch Type HMP of minimum capacity 100-120 TPH

Providing and applying primer coat with Cationic Bitumen Emulsion of approved grade conforming to IS:8887-1978 and requisite quantity on prepared surface of granular base including cleaning of road surface and spraying primer using Mechanical means including cost and carriage of bitumen emulsion and all other incidental costs of work complete as per Clause 502 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). For WBM Surface

Providing and applying tack coat with Cationic Bitumen Emulsion of approved grade conforming to IS:8887-1978 on the prepared surface cleaned with Hydraulic broom, moistening the surface including cost and carriage of emulsion, hire charges of machinery and labour, cost of fuel and lubricants all complete as per Clause 503 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). On Bituminous Surface (Using Bitumen Emulsion at the rate of 0.20 to 0.30 Kg per Sqm.)

Providing and laying dense bituminous macadam with hot mix plant producing an average output of 75 tonnes per hour using coarse aggregate, fine aggregate, filler and bituminous binder as per design job mix formula confirming marshall method as per specification, including screening, cleaning of chips and preparing a uniform and quality mix in hot mix plant and ensuring a homogeneous mix, in which all particles of the mineral aggregates are coated uniformly, transporting the hot mix to work site, laying the mixed materials at specified laying temperature with a hydrostatic paver finisher with sensor control to the required grade, level and alignment over prepared surface coated with tack coat, rolling with smooth wheeled, vibratory and tandem rollers for break down, inter mediate and finished rolling to achieve the desired density of at least 98% of that of Laboratory Marshall specimen, hand packing and pinning to give an even surface including cost and carriage of bitumen, coarse and fine aggregates and filler materials and hire charges of machinery and equipment for construction and quality control, fuels and lubricants and wages of operational staff complete as per clause 505 of specifications for Road & Bridge works of MoRT&H (5th Revision). For Grading 1 (37.5 mm nominal size, 75-100 mm thick.) Using Batch Type HMP of minimum capacity 100-120 TPH.

Road Marking with Hot Applied Thermoplastic Compound with Reflectorising Glass Beads on Bituminous Surface Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorising glass beads @ 250 gms per sqm area, 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 complete as per Clause 803 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). Side & Central Strip = 2+1 = 3 Nos.

Main Access Tunnel (MAT)

Open Excavation and Backfilling

Loose excavation and ripping in open cuts.

Excavation in rock in open cuts.

Removal of bluffs and loose rock.

Removal of slips.

Backfill (without compaction).

Backfilling (compacted).

Hauling of excavated material for every additional km beyond 5 km.

Sand bedding / filling in the area specified in the drawings or as directed by Engineer-in-Charge.

Underground Excavation

Excavation in tunnelling by conventional methods in Good Rock, Q > 10.

Excavation in tunnelling by conventional methods in Fair Rock 4 < Q < 10.

Excavation in tunnelling by conventional methods in Poor & Very Poor Rock, 0.1 < Q < 2.5.

Excavation in tunnelling by conventional methods in Excavation for portal.

Removal of excavated material from overbreak.

Hauling of excavated material for every additional km beyond 5 km.

Steel Supports

Steel Ribs.

Precast RCC lagging (M20).

Steel supports for ribs and fixtures.

Rockbolts and Wiremesh

Resin grouted type rockbolts (including drilling). Upto 5m depth, 25mm dia.

Cement Grouted anchor bars / Anchor bolts (including drilling). Upto 5m depth, 25mm dia.

Cement Grouted anchor bars / Anchor bolts (including drilling). More than 5m depth less than 8m, 25mm dia.

Miscellaneous metal pieces.

Wiremesh and Mesh Anchors. Chain link fabric.

Shotcrete

Steel Fibre Reinforcd Shotcrete (SFRS). Upto 75mm thick.

Steel Fibre Reinforcd Shotcrete (SFRS). More than 75mm thick and upto 100mm.

Steel Reinforcement

Steel for reinforcement.

Form Work

Plain and curved formwork. Plain surfaces

Plain and curved formwork. Curved surfaces

Drilling and Grouting

Drilling holes for consolidation grouting.

Drilling 76mm dia drainage holes and laying filled PVC perforated pipes in the holes.

Placing grout for Consolidation grouting.

Placing grout for Water pressure testing.

Grouting Materials : Cement

Grouting Materials : Sand

Grouting Materials : Bentonite

Grouting Materials : Admixtures

Grouting Materials : Embedded pipes & fittings

Cement Concrete

Plain Concrete of M-15 grade.

Reinforced Concrete of M-25 grade.

Reinforced concrete of grade M-25 in tunnel lining in Portal reach including steel formwork.

Plain Concrete of grade M-15 in backfill.

Stone Works

Coursed rubble masonry with hard stone of approved quality including raking out joints in cement mortar 1:3 (1 cement : 3 approved sand) for all leads and lifts and curing complete as per drawings or as directed by Engineer-in-Charge.

Construction of Gabion work including the cost of GI mesh and boulder in the muck disposal area or other areas as per the requirement or as directed by Engineer-in-Charge.

Note: A Provisional sums of Rs. 7.28 Cr has been kept as per cl no. 20.4 of GCC

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