Asansol Durgapur Development Authority Tender

Patching of potholes by draining water, cutting the pothole area to rectangular shape with vertical edges, removing all loose materials, screening and stacking the same for reuse with new materials as per requirement, filling the pothole area with additional volume of crushed stone materials / laterite / Jhama / broken shingles / coated stones of Pakur variety etc. and screenings as applicable, and compacting the same with static roller as per Water Bound Macadam Specification, including cost of all materials and machineries.

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 gradeand 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).

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

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

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.

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-heating stone chips and fully pre-coating the same either using viscosity grade paving bitumen or cut-back or emulsion, carrying the mixture by tipper trucks or by any other suitable arrangements, laying the mixture uniformly over the surface with paver finisher, including manual operations as and when required for proper line, grade and level to serve as wearing course on a previously prepared base, including mixing in Hot Mix Plant 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 Hot Mix Plant and other machinery, pay of operators, cost of fuel and lubricants etc. complete as per Clause 510 of Specifications for Road & Bridge Works of MoRT&H (5th Revision) (ii) Using Drum mix Type HMP of minimum capacity 60-90 TPH.

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). (i) With Hot Bitumen Binder (@ 6.80 kg / 10 sqm.)

Providing and laying Design Mix Concrete for plain / Reinforced concrete work in any part of culvert / bridge with coarse aggregates of appropriate nominal size and grading , fine aggregate (sand ) conforming to proprer grading zone, both of approved quality & cement , at necessary , including labour , cost and carriage of all materials and including prepration of design Mix approved of the same by the EIC and cost of Quality control , sampling , testing etc all complete but excluding cost of labour and materials for form work and reinforcement work. M25 Grade using Concrete Mixture

Supplying fitting and fixing plaque made of Granite slabs ( single piece) of 15 mm to 18 mm thick with uniform texture and without decorative veins in facia etc fixing with using Cement slurry at back side of granite @4.4 kg/sq.m and white cement slurry for joint filling @1.8 kg/sq.m.including making lettering , sign marks etc as per direction in the granite slabs with fixed at brick wall (in 1:6) as directed including earth cutting , 75 mm thick sand filling , 75 mm thick Cement concrete (1:2:4) and plastering with 20 mm thick sand cement mortar (6:1) as specifed by the Department including wall putty , Acrylic primer & Super Protective 100% Acrylic Emulsion two coats including all incedential charges for labours , materials , machinaries & transportig charges complete in all respect as per direction of EIC.

Sub-Total

GST-18% (SGST=9% & CGST=9%)ADD

WEST BENGAL LABOUR WELFARE CESS =1% ADD