Tender For Urgent Potholes Repairing With Premixed Carpet & Seal Coat In Stretches At Behala Bazar (Ch. 8.3 Km To 8.36 Km) Of Diamond Harbour Road, During The Year 2023-24 (In Different Stretches). 1 Repairing pot-holes and making up small depressions with ramming or power rolling including screening, cleaning chips or metals and washing, drying as necessary andheating 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] i) 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 (b) Using Mobile HMP (Light duty) 6.14 Cum 4017.18 24,665.49 2 Providing, laying and rolling of Open - graded premix surfacing of 20 SPECIFIC PRICE SCHEDULE FOR PROBABLE QUANTITY WORK. Urgent potholes repairing with premixed carpet & seal coat in stretches at Behala Bazar (ch. 8.3 km to 8.36 km) of Diamond Harbour Road, during the year 2023-24 (In different stretches). NIT 02/BSD of 2023-2024 (Sl. 01) Ch. to :– Administrative Expenditure Sanction Estimate No. : 23/R/BSD of 2023-24 of Ex. Engineer - I, Alipore Division, P.W.D. 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 ofthe surface, screening, cleaning and pre-heating stone chips and fully pre-coating the same either using viscosity grade paving bitumen or cutback 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 apreviously 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. 271.00 Sqm 114.73 31,091.83 3 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) with Tack coat. 271.00 Sqm 39.00 10,569.00 4 Providing and applying tack coat using Cationic Bitumen Emulsion of approved grade conforming to I.S. 8887-1978, over prepared surface including cleaning of surface with mechanical broom, moistening the surface, applying tack coat including cost and arriage of emulsion, hire charges of machineries and labour, cost of fuel and lubricants all complete as per specification and direction of the Engineer-in-Charge. 363.40 Sqm 10.18 3,699.41 5 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. 60.00 Cum 1 66.00 9,960.99 6 GST @ 18% 79986.72 GST 0.18 14,397.61 7 Cess @ 1% 94384.33 Cess 0.01 943.84
