Kolkata Metropolitan Development Authority Tender

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 per Clause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).(ii) Grading-I Aggregate (63 mm to 45 mm) Using Stone Screening Type B (11.2 mm),(B) By manual means.

Providing and applying primer coat with Cationic Bitumen Emulsion of approved grade 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). (i) For WBM / WMM Surface: (with primer @ 0.70-1.0 kg/sqm)

Providing and applying tack coat using Cationic bituminous emulsion of approved grade conforming to IS: 8887-1978, over prepared surface including cleaning of surface with mechanical broom, moistening the surface, applying tack coat including cost and carriage of emulsion, hire charges of machineries and labour, cost of fuel and lubricants all complete asper specification and direction of the Engineer-in-charge.(i) On Bituminous Surface (Using Bitumen Emulsion at the rate of 0.20 to 0.30 kg per sqm.) :(i) By manual means.

Providing and laying bituminous macadam with Hot Mix Plant using approved crushed aggregates of specified grading as per Table 500.7 premixed with bituminous binder, transported to site laid over a previously prepared surface at specified laying temperature with paver finisher to the required grade, level and alignment and rolled with suitable power roller for break down, inter-mediate 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 Clause 504 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). A. For Grading 1 (40 mm nominal size, 80-100 mm thick.)

Providing and laying bituminous concrete with Hot Mix Plant using coarse aggregates, fine aggregates, filler materials and bituminous binder of required specification including screening, cleaning of chips and preparing a uniform and quality mix in Hot Mix Plant and ensuring a omogeneous mix, in which all particles of the mineral aggregates are coated uniformly, transporting the hot mix to work site, laying the mixed materials at specified laying temperature with a hydrostatic paver finisher with sensor control to the required grade, level and alignment over prepared surface coated with tack coat, rolling with smooth wheeled, vibratory and tandem rollers for break down, inter-mediate and finished rolling to achieve the desired density of at least 98% of that of Laboratory Marshall specimen, including cost and carriage of bitumen, coarse and fine aggregates and filler materials and hire charges of machinery and equipment for construction and quality control, fuels and lubricants and wages of operational staff complete as per Clause 507 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (B)For Grading 2 (13.2 mm nominal size, 30mm/40 mm thick.) (i) Using Batch Type HMP of minimum capacity 100-120 TPH.

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 E.I.C.

Add GST @ 18% on Rs.5938800.49 i.e. Total amount over Item No. 01 to 9

Add Labour Welfare Cess @ 1% on Rs.7007784.58 i.e. Total amount over Item No. 01 to 10