Asansol Durgapur Development Authority Tender

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. Using Concrete Mixture , M 15 Grade Concrete.

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) i) On Granular surfaces treated with primer (Using Bitumen emulsion at the rate of 0.25 to 0.30 kg per sqm.)

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

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

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) ii)On Bituminous Surface (Using Bitumen Emulsion at the rate of 0.20 to 0.30 kg per 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. Using Concrete Mixture , M 20 Grade Concrete.

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

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners, as directed and racking out joints including throating, noising and drip course, scaffolding / staging where necessary (Ground Floor) including cost of chipping over concrete surface. With 6:1 cement mortar (20 mm thick)

Removal of unserviceable of soil including excavation , loading and disposal upto 1000 m lead but excluding replacement by suitable soil / sand which shall be paid separately as per technical specifictions clause 302.3.11 for Rural Roads for MORD.

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. (The payment is to be done based on loose net volume of coarse aggregates only.)

Providing and laying bituminous macadam with Mobile Hot Mix Plant (Light Duty) 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 by means of approved and suitable arrangements 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 Specifications for Road & Bridge Works of MoRT&H (5th Revision). For Grading 2 (19 mm nominal size, 50-75 mm thick.)

Sub-Total

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)

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

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.