WBPWRD/EE/BHD/NIT-17/25-26/05

Dismantling of cement concrete pavements by mechanical means using pneumatic tools breaking to pieces not exceeding 0.02 cum in volume and stock piling at designated locations and disposal of dismantled materials upto a lead of 1000 m, stacking serviceable and unserviceable materials separately as per Technical Specification Clause 202 for Rural Roads of MORD. Cement Concrete.

Dismantling Stone Masonry as per Technical Specification Clause 202. Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of stone masonry, including disposal of unserviceable material and stacking the serviceable material with all lift and lead of 1000 m as per Technical Specifications Clause 202 for Rural Roads of MORD. (b) Rubble Stone Masonry in Cement Mortar

Cleaning the concrete surface by removing dirt and debris, marking defective locations and removing loose concrete by careful stripping untill hard surface is exposed, cutting the concrete to regular shape, wire brushing the exposed surface and removing debris from site complete as per direction of the Engineer - in - Charge.

Cleaning the exposed reinforcement preferably upto full diameter by wire brush, applying two coats of polymer based rust removing compound left for 24 hours, removing the coating and then applying two (2) coats of polymer modified anti corrosive protective coating formulated to inhibit the corrosion of reinforcement as per manufacturer's specification] [Mode of measurement:The affected surface area of reinforcement shall be considered for payment]

Epoxy bonding of new concrete to old concrete.

Guniting concrete surface with cement mortar (25 mm nominal thick) applied with compressor after cleaning surface and spraying with epoxy complete as per Technical specification.

Earthwork in excavation Earthwork in excavation for foundation of structures upto 3 m depth as per drawing and technical specification Clause 1104 for Rural Roads of MORD including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material.

Fine Sand filling in foundation trenches and at the back of abutments, wing-walls etc. with good local sand free from earth in layers not exceeding 15 cm. including inundating each layer by profuse water and poking and ramming layer by layer complete including supply of sand. Quality of sand is to be approved by the Engineer-in-charge.

Hire and labour charges for Shuttering without staging upto 4.0 m height using approved stout props with wooden planks/ply wood/steel sheet plate with required bracing for any kind of plain or reinforced concrete works in all sorts of minor structure including culvert, box culvert, cross-drain etc. The rate is inclusive of fitting, fixing and striking out after completion of work as per specification and direction. Where staging is not required.

Providing and laying Design Mix concrete for plain concrete work in any part of bridge (excluding bottom plugging) with pakur coarse aggregates of appropriate nominal size and grading, fine aggregate (coarse sand) conforming to proper grading zone, both of approved quality and cement, as necessary, including labour, cost and carriage of all materials and including preparation of design mix, approval of the same by the Engineer-in-Charge and cost for quality control, sampling, testing etc. all complete but excluding cost of labour and materials for formwork & reinforcement works. PCC-M-15 grade concrete using Concrete Mixer & Pakur Variety stone aggregates

Plain Cement Concrete in Open foundation without reinforcements, in any part of foundation of bridges / culverts with graded stone chips of appropriate nominal sizes, including screening and cleaning of coarse aggregates, fine aggregate (sand) conforming to proper grading zone, both of approved quality and cement, as necessary, cost of curing with water, including cost and carriage of all materials and including preparation of design mix, approval of the same by the Engineer-in-Charge, cost for quality control, sampling, testing etc. including cost of formwork but excluding reinforcement complete as per drawing and technical specifications RCC Grade M20 .Using Pakur Variety stone aggregates & with concrete mixer

Supplying, fitting and placing HYSD bar(JSW/JSPL/Shyam/SRMB/SSL/BMASL/ Electrosteel Fe 415/ Fe 500/ Fe 500D conforms to IS: 1786) reinforcement in Sub-structure including initial straightening, straightening of coils bars, removal of loose rust (if any), cutting to requisite length bending, binding with annealed wire not less than 1 mm in size and conforming to IS 280 at every intersection hooked and bent to correct shape and placed on forms etc. including cost of black annealed wire and cost of loading, unloading, carriage of all steel materials complete as per drawing and technical specifications and direction of Engineer-in-charge.

Providing weep holes in Brick masonry / Plain / Reinforced concrete abutment, wing wall / return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V:20H towards drawing face. Complete as per drawing and Technical specifications.

Providing and laying of filter media with granular materials/stone crushed aggregates/brick aggregates / river bed material as per technical specification.

Providing and laying Pitching on slopes laid over prepared filter media including boulder apron laid dry in front of toe of embankment complete as per drawing and Technical specifications.

Supplying Eucalyptus-bullah piles at work site, including dressing and making one end pointed. (iii) 150 mm diameter

Supplying Eucalyptus-bullah piles at work site, including dressing and making one end pointed. (ii) 125 mm diameter

Coal tarring on wooden surfaces including cost of materials (a) Double coat

Labour for driving Eucalyptus bullah piles by monkey in sorts of soil including hoisting and placing piles in position, protecting the pile headwith iron ring and cutting and shaping heads before and after driving and including hire and labour for necessary driving appliances and all tackles. (iii) 150mm diameter

Labour for driving Eucalyptus bullah piles by monkey in sorts of soil including hoisting and placing piles in position, protecting the pile headwith iron ring and cutting and shaping heads before and after driving and including hire and labour for necessary driving appliances and all tackles. (ii) 125 mm diameter

Labour for fitting and fixing 10 cm. to 13 cm. diameter Sal-bullah/Eucalyptus-bullah as ties and runners including necessary nails, bolts and nuts(iii) 125 mm diameter

Supplying empty Cement bags in good condition including filling empty Cement bags with fine sand, stitching the bag (cost of thread included) and carrying and placing them in position and all incidental charges complete.

SUB TOTAL

G.S.T. @ 18% as applicable

Labour Welfare Cess @ 1%

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