Asansol Durgapur Development Authority Tender

Depth above 300 mm but upto 450 mm

Supplying, spreading and consolidating Stone Dust to a depth of 100 mm and above at desired density and C.B.R. as per Specification with power roller to proper gradient and camber including watering as necessary, and lighting, guarding, barricading and making adequate earthen bundh where necessary to protect the edges and curing with water for 2 to 3 days, mending cracks and depressions by rolling where necessary including all incidental charges of roller, cost of fuel & lubricants complete as per specification.

Water bound Macadam sub base: Water bound Macadam sub base by onsolidating Stone Metal of specific size in hard crust to requisite thickness (measured after compaction) in layers including screening of metals etc. as necessary, hand packing , sweeping, watering and rolling in stages with power roller to proper line, grade and camber, lighting, guarding, barricading & making necessary earihen bundh of one metre width on each side where necessary to protect edges & preparing the bed by necessary cutting or filling & rolling all complete including the cost of all men and machineries and compacting to the required density, as per Clause 404 of Specifications for Road & Bridge Works of MoRTH (5th Revision). Grading 1 aggregate (63 mm to 45 mm) using stone screening type - B (11.2 mm ) by manual means

Grading 2 aggregate (53 mm to 45 mm) using stone screening type - B (11.2 mm ) by manual means

Prime Coat : Providing and applying primer coat with Cationic Bitumen Emulsion of approved grade conforming to IS : 8887 -1978 and reuuisite 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 incidential costs of work complete as per Clause 502 of Specification for Road & Bridge Works of MoRT&H (5th Revision).

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 hydrolic broom, moistening the surface including cost and carriage of emulsion, hire chareges of machinery & labour, cost of fuel and lubricants all complete as per Clause 503 of Specification for Road & Bridge Works of MoRT&H (5th Revision). On Bituminous Surface : using Bituminous emulsion at the rate of 0.2 to 0.3 kg /sqm.

OnGranular Surface treated with primer : using Bituminous emulsion at the rate of 0.25 to 0.3 kg /sqm.

Bituminous Macadam using Hot Mix Plant (HMT). Providing and laying Bituminous Macadam with Hot Mix Plant (light duty) using approved crushed aggregates of specified grading as Table 500.4 premixed with bituminous binder, transportated to site laid over a previously prepared surface at specified laying temperature by means of approved & suitable arrangement to the required grade , levelle and alignment and rolled with suitable power roller for break down, inter-mediate and finished rolling as per specification to achive he desired compaction including cost and carriage of stone materials & bitumen, hire charges of Machininery and equipment , cost of fuels and lubricants and wages of operational staff , quality contral complete as per Specification for Road & Bridge Works of MoRT&H (5th Revision). For grading –2 : 19 mm nominal size , 50 -75 mm thick / Using Drum mix Type HMP of minimum capacity 40- 60 TPH.

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-heatingstone 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.

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).

Spreading of sand over the bituminous surface @ 0.003 m3 per m2 of surface from the road side stacks and carriage of the same up to a distance of 150 m from stack complete including cost of sand

Dressing and chilling road flanks including cutting and filling with earth upto 150 mm av. thickness finished with outward cross-grade 1 in 30

Construction of Plaque with Brickwork Structure providing letters embossed over Granite Board (900 mm x 1200 mm) & fixing it, Plastering , painting etc complete at site as per drawing , specification and direction of the Executive Engineer

Removal of rubbish,earth etc. from the workingsite and disposal of the same beyond thecompound, in conformity with the Municipal Corporation Rules for such disposal, loading into truck and cleaning the site in all respect as perdirection of Engineer in charge

GST @ 18%

CESS @ 1%