SURFACING work by providing Bituminous Concrete for Sripur BOP Road -Chainage from 0.00 Km - 4.30 Km. - total stretches under Uttar Dinajpur Division, PWD in the district of Uttar Dinajpur

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 with vertical 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 or Bajrees with 54 kg of bitumen per m3 of loose net volume of stone chips using concrete mixer machine. (The payment is to be made on the basis of loose net volume of stone materials consumed in the work)

Using Mobile HMP (Light duty)

Providing and laying Bituminous Profile Corrective Course using Mobile Hot Mix Plant (Light Duty) and using aggregates of Grading-2 of Table-33 premixed with 75kg of bitumen per cum, transported to site laid over a previously prepared surface at specified laying temperature to the required grade, level and alignment, as per specification to achieve the desired compaction including cost and carriage of stone materials and bitumen, hire charges ofmachinery and equipment, cost of fuel andlubricants and wages of operational staff, qualitycontrol complete as per direction of Engineer-incharge.

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 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, 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 2

Using Batch Type HMP of minimum capacity 100-120 TPH.

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 costand 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.)

Dressing and chilchalling Road flanks including cutting and filling with earth up to 150 mm average thickness finished with outward cross-grade of 1 in 30. Extra quantity of earth for filling shall be obtained from road side borrow pits.)

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, gradingto required slope and compacted to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 303.1 for Rural Roads of MORD. (Borrow pit /pre work post work measurement)

ADD GST 18%

ADD LABOUR WEALFARE CESS 1%

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