Asansol Durgapur Development Authority Tender

Labour for Picking up existing metalled road surface to a specified av. Depth , inccluding screening and stacking pavement materials. Bitumen

For av depth above 75 mm but not exceeding 150 mm by manual means.By manual means [Stone Metal Surface]

Box cutting or filling in Road embankment in all sorts of soil including spreading the spoils properly over the flanks 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 from 750 mm upto 900 mm

Supplying, spreading and consolidating an uniform and homogeneous mixture of Stone Dust and Sand (mixed in proportion of 3 : 1 by volume and by any approved method as per direction of Engineer-in Charge) to the required thickness in layers at 97% Proctor Density (not less than 1.7 gm/cc) with power roller to proper gradient and camber, including watering as necessary, lighting, guarding, arricading 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 complete as per Specification including all incidental charges of roller, cost of fuel & lubricants

Construction of granular sub-base by providing graded material, mixing by mix in place method with Rotavator at OMC, spreading in uniform layers with Motor grader on prepared surface in proper grade and camber, compacting with vibratory roller to achieve the desired density, including lighting, guarding, barricading, including cost of all materials , machinery, tools and plants including cost of quality control complete as per Clause 401 of Specifications for Road & Bridge Works of MoRTH (5 th Revision).

Grading - 3

Grading - 5

Wet Mix Macadam Base Course: Providing laying , spreading , and compacting graded stone aggregate to Wet Mix Macadam 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 material costs for lighting, guarding , barricating, ,making earthen bundth 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).

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.

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

Dense Bituminous Macadam :Providing and laying Dence Bituminous Macadam with Hot Mix Plant producing and average out put of 75 tonnes per hour using course aggregate , fine aggregate , filler and bituminous binders as per design Job Mix Formula conforming Marshall Method as per specification , including screening , cleaning of chips and preparing a uniform and quality mix in Hot Mix Plant & ensuring a homogeneous mix, in which all particles of the minarals aggregates are coated uniformly , transporting the hot mix to work site , laying the mix materials at specified laying temperature with a hudorstatic paver finisher with sensor contrl to the required grade , level & alignment over prepared surface coated with tack coat rolling with smooth wheeled , vibratory tandam rollers for break down , intermediate & finished rolling to achieve the desired density of at least 98% of that of Laboratory Marshall specimen, hand packing and pinning to give an even surfaceincluding cost and carriage of bitumen, coarse and fine aggregatesand 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 505 of Specification for Road & Bridge Works of MoRT&H (5th Revision).

For Grading 1 (37.5 mm nominal size , 75 to 100 mm thick) / Using Drum Mix Type HMP of minimum capacity 40 -60 TPH. .

For Grading 2 (26.5 mm nominal size , 50 to 75 mm thick) / Using Drum Mix Type HMP of minimum capacity 40 -60 TPH. .

Mastic Asphalt : Providing and laying Mastic asphalt wearing course with paving grade bitumen meeting the requirements given in table 500-29 using approved coarse aggregate, fine aggregate, filler material and bitumen, prepared by using Mastic cooker including cost and carriage of all ingredients, cost of heating aggregates and binder, mixing in specified proportions conforming to approved Job Mix Formula and laid to required level and slope after cleaning the surface, compacting, sealing the construction joints and surface finishing conforming to specifications including providing antiskid surface with bitumen pre-coated fine-grained hard stone chipping of 13.2 mm nominal size at the rate of 0.005 cum per 10 sqm and at an approximate spacing of 10 cm center to center in both directions, pressed into surface when the temperature of surfaces not less than 100°C, protruding 1 mm to 4 mm over mastic surface, including the hire charges of all tools and plants and machinery, pay of operators, cost of fuel and lubricants and all other incidental charges and quality control all complete as per Clause 516 of Specifications for Road & Bridge Works of MoRT&H (5th Revision).25 mm thickness

Road marking with Hot applied Thermoplastic Compound with Reflectorising Glass Beads on Bituminous Surface.Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorising glass beads @ 250 gms per sqm area, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC;35. The finished surface to be level, uniform and free from streaks and holes complete as per Clauses 803 of Specifications for Road & Bridge Works of MoRT&|H (5th Revision)

Road Markers/Road stud with Lense Reflector : Providing and fixing of road stud 100 x 100 mm , die - cast in aluminium, resistant to corrosive effect of salt and grit, fitted with lens reflectors, installed in concrete or asphaltic surface by drilling hole 30 mm upto a depth of 60 mm and bedded in a suitable bituminous grout or epoxy mortar, all as per BIS 873 part 4:1973.

Sub-Total

Add GST @ 18% on Sub-Total Cost, i.e.

Add Labour Welfare Cess @ 1% on Total cost after GST, i.e.