13/KM/Kalimpong Town dt.19.01.2026

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 mafix and applying tack coat (including sides), finishing the top ofrepaired surface levelled with adjoining are4 including cost and carriage of stone aggregates and matrix,excluding cost ofapplying tack coat. [Tack coat is to be considered separat€lyl [Payment to the Contractor is to be made on the basis of loose net volum€ ofcoarse aggregate only excluding key aggregatssl i) With premixed Pakur Chips with 54 kg of bitumen per m3 ofloose net volume ofstone chips using concrete mixer machine. (The payment is to be made on the basis ofloose net volume of stone materials consumed in the work) (a) Using suitable pan

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

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 premixsurfacing of 20 mm thickness composed of 13.2 mm(@ 0.018 m³ per m²) and11.2 mm (@ 0.009 m³ per m²)size stone aggregates, including thoroughly cleaningof the surface, screening, cleaning and pre-heatingstone chips and fully pre-coating the same eitherusing viscosity grade paving bitumen or cut-back oremulsion, carrying the mixture by any suitablearrangements, laying the mixture uniformly over thesurface, including line, grade and level to serve aswearing course on a previously prepared base,including mixing in Mobile Hot Mix Plant (Light Duty) and thoroughly rolling with a smooth wheeled roller8-10 tonncapacity, finished to required level andgrades including the cost and carriage of stonechips and matrix, heating the matrix, preheating theaggregates to required temperature and includingthe 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 sealcoat of either Type A or Type B as per TechnicalSpecification Clause 508 for Rural Roads of MORD.

Seal Coat Providing and laying Liquid Seal Coat (Type A) withapproved quality stone chips and bitumen binder onthoroughly cleaned black top surface, spreadingscreened & cleaned stone aggregates (100 %passing through 11.2 mm sieve and retained on 2.36mm sieve) uniformly @ 0.09 m3 of dry aggregate per10 m2 of area using suitable means, brushing thechips, if necessary, to ensure uniformity, followed byrolling with power roller including the cost andcarriage of binder and stone chips, cost of heatingthe binder and all other incidental charges, cost offuel and lubricants, including hire charges ofmachineries, tools & plants required for constructionand quality control complete as per Clause 511 oSpecifications for Road & Bridge Works of MoRT&H(5th Revision).

ADD @ 18 % GST

ADD @ 1 % CESS

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