Dalkhola Town Road (Old NH-34) from Ch. 447.740 Km to Ch. 452.140 Km Surfacing work under Uttar Dinajpur Division, PWD in the district of Uttar Dinajpur during the year 2024-25 (4th Call).

Cost of Road Work Picking up and removing old bituminous layer or sand sealing coat from old black topped surface and cleaning the exposed surface by scraping and stacking the material as directed. By mechanical means(with milling machine) : Cold milling of Bituminous Pavement surface upto the required depth by mechanical means using milling machine, without disturbing the under laying layers, to proper line and level, cleaning the surface properly after milling and removing the loose materials, stacking the milled materials for re-use, necessary guarding, barricading & lighting, including hire charges of machinery, cost of fuel and labour and other incidental charges all complete and as per direction of Engineer-in-charge. For depth upto 100mm

Maintenance of Non-bituminous Base and Sub-Base or WBM Road Patching of potholes by draining water, cutting the pothole area to rectangular shape with vertical edges, removing all loose materials, screening and stacking the same for reuse with new materials as per requirement, filling the pothole area with additional volume of crushed stone materials / laterite / Jhama / broken shingles / coated stones of Pakur variety etc. and screenings as applicable, and compacting the same with static roller as per Water Bound Macadam Specification, including cost of all materials and machineries. Using Pakur variety stone materials. The payment is to be done based on loose net volume of coarse aggregates only. For 1 m3 compacted volume using 1.00 m3 of Grading-2 aggregates & 0.21 m3 of Type-B screening.

Repairing pot-holes and making up small depressions with ramming or power rolling including screening, cleaning chips or metals and washing, dryingas necessary and heating the chips or metal where necessary, cutting pot holes to regular shapes withvertical edges, cleaning the disintegrated materials,heating matrix and applying tack coat (including sides), finishing the top of repaired surface levelled with adjoining area, including cost and carriage of stone aggregates and matrix, excluding cost of applying tack coat. [Tack coat is to be considered separately] With premixed Chips with 54 kg of bitumen VG-30 (packed) per m3 of loose net volume of stone chips. (The payment is to bemade on the basis of loose net volume of stone materials consumed in the work) Using Mobile HMP (Light duty) Using Pakur variety stone materials.

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 / WMM Surface: (with primer using Cationic Bitumenous Emulsion SS-1 grade @ 0.85 kg/sqm)

Tack Coat: 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 surfaces (using Cationic Bitumenous Emulsion RS-1 grade @ 0.25 kg/sqm)

On Granular Surface (using Cationic Bitumenous Emulsion RS-1 grade @ 0.275 kg/sqm)

Dense Bituminous Macadam 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 conforming Marshall Method as perspecification, 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). With pakur variety stone materials, Bitumen VG-30 (Bulk) & Hydrated Lime Powder. For Grading 2 (13.2 mm nominal size, 50 mm compacted thickness.) Using Batch Type HMP of minimum capacity 100-120 TPH.

Bituminous Concrete Providing and laying bituminous concrete with Hot Mix Plant using crushed aggregates, filler materials (Cement /hydrated lime /Rock dust) and premixed with bituminous binder of specified grading @5.2% (min) for Gr.-1 & @5.4% (min) for Gr. -2 , as per table 500-17 and mix design done as per table 500- 10 and job mix formula as per cl. 505.3.3, Including screening, cleaning of chips and preparing a uniform and qualify mix, transporting the hot mix to work site, laying the mixed materials at specified laying temperature as specified in Table 500-2 with a hydrostatic paver finisher with sensor control to the required grade, level and alignment over prepared surface coated with tock coat, rolling with smooth wheeled and vibratory or tandem rollers or with a pneumatic tire roller of 12 to 15 tonne weight with a tire pressure at least 0.56 Map, to achieve the desired density as per clause 505.3.5, Including cost and carriage of bitumen, crushed aggregates, filler materials and hire charges of machinery and equipment for construction and quality control, complete as per Clause 507 of Specifications for Road & Bridge Works of Mirth (5th Revision). With pakur variety stone materials, Bitumen VG-30 (Bulk) & Hydrated Lime Powder. For Grading 2 (13.2 mm nominal size, 30 mm compacted thickness.) Using Batch Type HMP of minimum capacity 100-120 TPH.

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 lead upto 2000 m as per Technical Specification Clause 303.1 for Rural Roads of MORD. (Borrow pit /pre work post work measurement) Land owned and arranged by the contractor.

Construction of sub Base using Local Materials: Spreading in uniform layers with Motor grader on prepared surface, including screening the metal as necessary, mixing by mix in place method with Rotavator of OMC, and compacting with vibratory roller to achieve the desired density, lighting guarding and barricading including cost and carriage of all mateirals and making necessary earthen bundh of one metre wide on each side to protect the edges complete as per Clause 401 of specifications for Road & Bridge Works of MoRT & H (5th Revision) Construction of Sub Base by compacting re-using of milled materials.

Construction of sub Base using Local Materials: Spreading in uniform layers with Motor grader on prepared surface, including screening the metal as necessary, mixing by mix in place method with Rotavator of OMC, and compacting with vibratory roller to achieve the desired density, lighting guarding and barricading including cost and carriage of all mateirals and making necessary earthen bundh of one metre wide on each side to protect the edges complete as per Clause 401 of specifications for Road & Bridge Works of MoRT & H (5th Revision) For Construction of Sub Base by compacting stone chips and sand (in proportion of 40:60). For 1 m3 compacted volume using 0.51 m3 of 5.6 mm pakur variety stone chips and 0.77 m3 of medium sand (loose volume)

Road Safety Works Retro-Reflectorised Traffic Signs 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 75 mm x 6 mm firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing and Clause 801 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). 60 cm equilateral triangle

60 cm circular

80 cm x 60 cm rectangular

Direction and Place Identification Signs with size upto 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 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 approved drawing and Clause 801 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

Direction and Place Identification Signs with size 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 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing and Clause 801 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

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. 5th kilometre stone (precast)

Ordinary kilometer stone (precast)

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).

Supplying & fixing of Raised Pavement Markers / Road Studs / Cats Eye made of polycarbonate moulded body and reflective panels with micro prismatic lens capable of providing total internal reflection of the light entering the lens face which shall support a load of 13635 kg tested in accordance to ASTM D 4280 Type H and complying to clause no 804 of MoRT&H's specification for Road &Bridge Works (Fifth Rev.). Marker height shall not be less than 10 mm and shall not exceed 20 mm, width shall not exceed 130mm and with minimum reflective area of 13 sq.cm. on each side and slope to the base shall be 35 ± 5 degree. Fixing will be without nails but by using epoxy resin based adhesive as per manufacturer's recommendation including site clearance etc. and complete as directed by the Engineer in Charge .The contractor will have to provide a test certificate from a reputable national/international laboratory conforming the above specifications.

Minor repair work to Bridges Hire and labour charges for staging with sal bullah for super structure of bridge (Major and Minor) including stripping off and removing clearing on completion of work as per design and drawing approved by the Engineer-in-charge.

Stripping off worn out plaster and raking out joints of walls, celings etc. upto any height and in any floor including removing rubbish within a lead of 75 m as directed.

Plaster (to wall floor ceiling etc) with sand and cement mortar including rounding off or chamfering as directed and raking out joints or roughening of concrete surface by chipping etc including throating nosing and drip course,scaffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface] With 1:6 cement mortar 25 mm thick plaster

Construction of precast RCC railing of M30 Grade, aggregate size not exceeding 12 rnm. true to line and grade, tolerance of vertical RCC post not to exceed 1 in 500, centre to centre spacing between vertical post not to exceed 2000 rnrn. leaving adequate space between vertical post for expansion, complete as per MoRT&H standard drawing no SD/202 and technical specifications.

Close Bamboo Walling made of 65mm to 75mm dia. bamboos (in single line) driven about half-length into the ground side by side, with stout stays at an interval of 1m, 3nos. of half split bamboo runner of same dia fitted and fixed with nails etc. complete as per direction. (Measurement to be taken along the length of piling after finishing the works).

Uprooting and removing plants from the surface of walls parapet etc and making good damages. (Repairing of damages to be paid separately). Medium size plant of girth of exposed stem above 75 mm. but not exceeding 150 mm. lift upto 6 mtr

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