Repairing of Panchra-Kharyasole road for Gangaramchak mine at Distt. Birbhum

Amount

Repairing of Panchra-Kharyasole road for Gangaramchak mine at Distt. Birbhum

Picking up and removing old bituminous layer or sand sealing coat from old black topped surface and cleaning the exposed surface by scraping and stacking the material as directed (a) By mechanical means : (i) From 50 mm to 100 mm thick.

Earthwork in cutting to form road section in correct profile including removal of spoils not exceeding initial lead of 50m and initial lift of 1.5m (Mode of measurement: pre works and post works) (i) In ordinary soil

Extra for carriage of all kinds of earth by Mechanical transport: (a) Carriage between 1km to 3 km

Rolling sub grade by power roller in all sorts of soil to proper camber and grade including watering as per direction and satisfaction of Engineer-In-charge.

Box cutting or filling in Road embankment in all sorts of soil including spreading the spoils properly over the flank as necessary or on berm to approximate grade & camber and rolling the sub-grade with power roller to proper camber and grade as per direction and satisfaction of Engineer-in-charge including uprooting and removing plants and jungles when and where necessary : Depth up to 450 mm

Maintenance of Bituminous surface road Repair to pot holes by removal of failed material, trimming the sides to vertical and leveling the bottom, cleaning the same with compressed air or any appropriate method filled with B.M (thickness not more than 75 mm in single layer) applying bitumen emulsion prime coat at the bottom and bitumen emulsion tack coat on sides and on bottom as per technical specifications Clauses 502 and 503 for Rural Roads of MORD.

Providing, laying, spreading and compacting approved Pakur stone aggregates to Wet Mix Macadam (WMM) specification including screening of aggregates and granular materials, premixing the material with water at OMC in Wet Mix Plant, carriage of mixed material by tipper to site, laying in uniform layers with Paver in Sub- base / Base course on well prepared surface and compacting with Vibratory Roller to achieve the desired density, including supply of all materials, machinery, fuel and lubricants, including incidental costs for lighting, guarding, barricading, making earthen bundh to protect the edges including cost of quality control complete as per Clause 406 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

Providing and laying Dense Bituminous Macadam (DBM) with Hot Mix Plant using coarse aggregate of specified grading, filler (cement/hydrated lime or rock dust) premixed with bituminous binder of approved grade @4.00% (min) for Grading I and 4.5% (min) for Grading II by weight of total mix as per Table 500-11and Job Mix Formula as per clause 505.3.3 of MoRT&H - (5th Revision) including screening, cleaning of chips, transporting the hot mix to work site, laying the mixed material at specified temperature, as specified in Table 500-2 with a hydrostatic paver finisher with sensor control to the required grade. level and alignment over the prepared surface coated with tack coat, rolling with smooth wheeled and vibratory ar tandem rollers or with a pneumatic tyre roller of 12 to 15 tonne weight with a tyre prassure of at least 0.56 MPa to achieved the desire density as per clause 505.3.5 all including cost and carriage of bitumen, curshed aggregates, filler materials and hire charges of machinary and equiptment for construction and quality control comlete as per Clause 505 of Specification of r Roads & Bridge Works of MoRT&H (5th Revision) Using Batch Type HMP of minimum capacity 100-120 TPH 100 mm compacted thickness (Grading 2)

Providing and laying Bituminous Concrete (BC) with Hot Mix Plant using coarse aggregate of specified grading, filler (cement/hydrated lime or rock dust) premixed with bituminous binder of approved grade @5.20% (min) for Grading I and 5.40% (min) for Grading II as per Table 500-17 and mix design as per table 500-10 and Job Mix Formula as per clause 505.3.3 of MoRT&H - (5th Revision) including screening, cleaning of chips and preparinf a uniform and quality mix, transporting the hot mix to work site, laying the mixed material at specified temperature, as specified in Table 500-2 with a hydrostatic paver finisher with sensor control to the required grade. level and alignment over the prepared surface coated with tack coat, rolling with smooth wheeled and vibratory ar tandem rollers or with a pneumatic tyre roller of 12 to 15 tonne weight with a tyre prassure of at least 0.56 MPa to achieved the desire density as per clause 505.3.5 all including cost and carriage of bitumen, curshed aggregates, filler materials and hire charges of machinary and equiptment for construction and quality control, comlete as per Clause 507 of Specification of r Roads & Bridge Works of MoRT&H (5th Revision) 40 mm compacted thickness (i) Using Batch Type HMP of minimum capacity 100-120 TPH

Providing and applying Prime 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).

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). Over granular surface treated with primer

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). Over bituminous surface

Water Bound Macadam Sub Base by consolidating Jhama metal (63 mm to 45 mm) with moorum screening : 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 and making necessary earthen bundh of one metre width on each side where necessary to protect edges and preparing the bed by necessary cutting or filling and rolling all complete including the cost of all materials and hire and labour charges of all men and machineries and compacting to the required density, as per Clause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).

Supplying fitting and fixing R.C. guard post 1.37m long with C.C. 1:2:4 with graded stone chips of 13.2mm down casting , curing complete including cost of providing 4nos.of 12mm dia. rod of length 1.54m as main reinforcement and 6 nos. of round shaped 8mm dia rods used as binders; the placing of the first binder should be at 75mm below the top finished surface and the other 5 nos of binders should be placed at 245mm c/c ; the guard post is of octagonal section with inscribed circle of dia 24cm at the base tapering to corresponding dimensions of 16cm at the top including two coats of painting with best quality synthetic enamel paint of approved make and grade to form 6 nos. horizontal alternate bands in white/tannery yellow and black to 90 cm length standing up above ground after mendinggood damages if any during striking off shuttering,making hole in ground of 47cm depth and 30cm. minimum dia, fixing the guard posts in the same holes and repacking the earth properly so as to keep the guard posts standing properly erect in correct position true to line and length including carriage of R. C. Guard Post with due care to the site including loading into the truck and unloading at site complete in all respect.

Supplying, spreading and consolidating Moorum to a depth of 75 mm 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 by rolling where necessary including all incidental charges of roller, cost of fuel & lubricants etc. complete as per specification.

Bidder Name

Amount in Words

M/S TAPAS KUMAR CHAKRABORTY

PRAKASH CHANDRA MONDAL

BISWAJYOTI BHATTACHARYYA

MAHMOOD ASSOCIATES PRIVATE LIMITED

BISWAJYOTI BHATTACHARYYA

M/S TAPAS KUMAR CHAKRABORTY

MAHMOOD ASSOCIATES PRIVATE LIMITED