Patch repairing work on Sarenga Bridge approach at Hirapur to Nalpur Station Road from Km. 1.70 to Km. 2.60 of Howrah Highway Sub-Division under Howrah Highway Division in the District of Howrah during the year 2025-26

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 perClause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). Grading-II Aggregate (53 mm to 22.4 mm) Using Stone Screening Type B (11.2 mm) Manual Means

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 shapeswith vertical edges, cleaning the disintegrated materials, heating matrix and applying tack coat(including sides), finishing the top of repairedsurface levelled with adjoining area, including cost and carriage of stone aggregates and matrix, including 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)

Open-Graded Premix Surfacing using Bituminous (Viscosity grade Paving Bitumen/ Modified bitumen) Binder and Mobile Hot Mix Plant (Light Duty) Providing, laying and rolling of Open - graded premix surfacing of 20 mm thickness composed of 13.2 mm (@ 0.018 m³ per m²) and 11.2 mm (@ 0.009 m³ per m²) size stone aggregates, including thoroughly cleaning of the surface, screening, cleaning and pre-heating stone chips and fully pre-coating the same either using viscosity grade paving bitumen or cut-back or emulsion, carrying the mixture by any suitable arrangements, laying the mixture uniformly over the surface, including line, grade and level to serve as wearing course on a previously prepared base, including mixing in Mobile Hot Mix Plant (Light Duty) and thoroughly rolling with a smooth wheeled roller 8-10 tonne capacity, finished to required level and grades including the cost and carriage of stone chips and matrix, heating the matrix, preheating the aggregates to required temperature and including the hire charges of Mobile Hot Mix Plant (Light Duty) and other machinery, pay of operators, cost of fuel and lubricants etc. complete to be followed by seal coat of either Type A or Type B as per Technical Specification Clause 508 for Rural Roads of MORD)

Seal Coat Providing and laying Premixed Seal Coat (Type B) with approved quality sand/grit @ 0.6 m3/ 100 m2 and bitumen binder on thoroughly cleaned black top surface coated with tack coat, including heating and mixing cleaned sand/grit (100 % passing through 2.36 mm sieve and retained on 180 micron sieve) uniformly with bitumen binder, laying and spreading the mix at an uniform rate using suitable means, brushing the surface, if necessary, to ensure uniformity, followed by rolling with power roller including the cost and carriage of binder and aggregates, cost of heating the binder and aggregates and all other incidental charges, cost of fuel and lubricants, including hire charges of machineries, tools & plants required for construction and quality control complete as per Clause 511 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). By Manual Means With Hot Bitumen Binder (@ 6.80 kg / 10 sqm.)

Removal of rubbish,earth etc. from the working site and disposal of the same beyond the compound, in conformity with the Municipal/ Corporation Rules for such disposal, loading into truck and cleaning the site in all respect as per direction of Engineer-in-charge.

GST @18.00% over Sl.No. 1 to Sl. No. 5

LWC @ 1.00% over Sl. No. 1 to Sl No. 6.01

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