Kolkata Metropolitan Development Authority Tender

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 Bitumen emulsion, hire charges of Machinery and labour , cost of fuel and lubricants all complete as per Clause 503 of Specifications for Roads & bridge Works of MoRT&H ( 5th Revision).(i) On bituminous surface:( Using Bitumen Emulsion @ 0.20-0.30 kg/ sqm) (i) On bituminous surface:( Using Bitumen Emulsion @ 0.20-0.30 kg/ sqm)

Providing and laying bituminous macadam with Mobile Hot Mix Plant (light duty) using approved crushed aggregates of specified grading as per table 500.4 premixed with bituminous binder , transoported to site laid over apreviously prepared surface at specified laying temperature by means of approved and suitable arrangements to the required grade, level and alignment and rolled with suitable power roller for break down , intermediate and finished rolling 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 Specifications for Roads & bridge Works of MoRT&H ( 5th Revision). (I) For Grading II (19 mm Nominal size, 50-75 mm thick.)

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 preheating 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, pre heating the aggregates to required temperature and including the hire charges of MHMP (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.

Providing and Laying Premixed Seal Coat (Type -B) with approved quality sand /grit @ 0.6m3/100 m2 and bitumen binder on thoroghly 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 perv Clause 511 of Specifications for Roads & bridge Works of MoRT&H ( 5th Revision). I. 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.

Add GST @ 18% on sum of Sl No-1 to 8

Add LWC @ 1% on sum of Sl No-1 to 9