WBPWD/SEWC-II/NIT15/2025-26

Repairing pot-holes and making up small depressions with ramming or power rolling including screening, cleaning chips or metals and washing, drying as 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 coarse aggregates only)

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 manual means : From 25 mm to 50 mm thick.

Wet Mix Macadam Base Course Providing, laying, spreading and compacting graded stone aggregate to Wet Mix Macadam specification including screening of aggregates and granular materials, premixing the material with water at OMC in Wet Mix Plant, carriage of mixed material by tipper to site, laying in uniform layers with Paver in Sub- base / Base course on well prepared surface and compacting with Vibratory Roller to achieve the desired density, including supply of all materials, machinery, fuel and lubricants, including incidental costs for lighting, guarding, barricading, making earthen bundh to protect the edges including cost of quality control complete as per Clause 406 of Specifications for Road & Bridge Works of MoRT&H (5th Revision)

Prime Coat Providing and applying primer coat with Cationic Bitumen Emulsion of approved grade (RS-1) 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).

Tack Coat Providing and applying tack coat with Cationic Bitumen Emulsion of approved grade (RS-1) 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 Granular surface treated with primer (Using Bitumen Emulsion at the rate of 0.20 to 0.30 kg per sqm.)

On Bituminous Surface (Using Bitumen Emulsion at the rate of 0.20 to 0.30 kg per sqm.)

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 of machinery and equipment, cost of fuel and lubricants and wages of operational staff, quality control complete as per direction of Engineer-incharge.

Bituminous Concrete Providing and laying bituminous concrete with Hot Mix Plant using crushed aggregate, filler material ( Cement/ hydred Lime/rock dust) and premixed with bituminous binder of specified Grading @ 5.4 % (min) ( but not Less than 137 kg/m3 ) for grading-2 as per table 500-17 and mixed design done as per table 500-10 and Job Mix formula as per clause 505.3.3 . including screening, cleaning of chips and preparing a uniform and quality 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 the tack coat, rolling with smooth wheeled and vibratory or tenden rollers or with pneumatic tyre roller of 12 to 15 tonne weight with a tyre pressure of at least 0.56 MP, to achived the desired density as per clause 505.3.5, all including cost and carriage of bitumen, crushed aggregates, filler materials and hire charges of mechinery and equipment for construction and quality control complete as per clause 507 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). For Grading 2 (13.2 mm nominal size, 40 mm thick.) Using Batch Type HMP of minimum capacity 100-120 TPH. with bituminous binder (VG-40 ) PAKUR VARIETY stone aggregate

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)

Box cutting or filling in Road embankment in all sorts of soil including spreading the spoils properly over the flank as necessary or on berm to approximate grade & camber and rolling the sub-grade with power roller to proper camber and grade as per direction and satisfaction of Engineer-in-charge including uprooting and removing plants and jungles when and where necessary. Depth up to 150 mm.

Depth up to 150 mm to 300 mm

Water Bound Macadam Sub Base Water Bound Macadam Sub Base by consolidating Jhama metal / Laterite chelly or stone metal / shingles of specific size in hard crust to requisite thickness (measured after compaction) in layers including screening of metals etc. as necessary, hand packing, sweeping, watering and rolling in stages with power roller to proper line, grade and camber, lighting, guarding & barricading and making necessary earthen bundh of one metre width on each side where necessary to protect edges and preparing the bed by necessary cutting or filling and rolling all complete including the cost of all materials and hire and labour charges of all men and machineries and compacting to the required density, as per Clause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). For Construction of Sub Base by consolidating Jhama metal (63 mm to 45 mm) with moorum screening :

Add GST @ 18% on Rs.18056572.00 over Item No. 1 to 10

Add Labour Welfare Cess @ 1% on Rs.21306755.00 over Item No. 1 to 11

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