Construction of RC bridge for ASW pipeline for Unit_4 at NPCIL TAPS-3AND4.

Amount

Extra over initial depth for every additional Depth of 1.50 m or part thereof

Dismantling of RCC works carefully manually without damaging adjacent structures excluding cutting of reinforcement including stacking of steel reinforcement bars and disposal of unserviceable materials within 200 m lead as per direction of Engineer-in-charge

Providing and laying in position cement concrete of 1:3:6 (1 cement, 3 crushed sand, 6 graded stone aggregate of maximum size 20 mm) including consolidation, finishing, curing etc. complete as per specifications and drawings but excluding the cost of Form work shuttering, centering Complete at all levels

Providing and laying in position Reinforced Cement Concrete (RCC) of grade M-35 using 20mm maximum size aggregates and crushed sand of approved quality including admixtures of approved Brand and quality (plasticiser or super plasticiser) if required, including weigh batching, mechanical mixing, transporting , placing, vibrating , consolidation, finishing, curing etc. complete but excluding the cost of centering, shuttering and reinforcement complete as per specifications at any level

Providing Reinforcement Steel for reinforced cement concrete at all levels including supplying, preparation of bar bending schedules, cutting, bending, transporting, fixing, tieing in position with PVC coated G.I binding wire, all labour charges, cost of cover blocks in specified grade of concrete etc. complete as per specifications and drawings. Steel supplied by the contractor Upto and including 32mm dia reinforcement: Using TMT bars of specified grades. TMT bars to be supplied by vendors as approved by Engineer-in-charge using virgin materials

Providing , centering ,shuttering Form work using PVC film faced plywood/steel shuttering to get a neat form finish surface for all types of structures including necessary strutting, proping, staging, supports etc and deshuttering the same after the specified time all as per drawings, specifications and as directed by the Engineer-in-charge at all levels

Extra for circular & curved shuttering at all levels

Providing, painting,finishing walls with two coats of anti-algae, weather proof acrylic smooth emulusion paint of approved make with silicon additives on sand face plaster/ plain plaster & concrete surfaes of required shade over new work over a base coat of exterior cement primer including preparation of the surfaces, scaffolding complete. as per specifications and as directed by the Engineer-in-charge.

Painting with black anti-corrosive bitumastic paint of approved brand and manufacture to give an even shade. Two or more coats on new work to achieve dry film thickness of 250 microns.

Providing and fixing hand rail using 316 grade Stainless Steel pipes including embedded parts of approved size and make and quality by welding, mirror / matt polishing, fixing at site etc. for balcony railing & staircases railing including special sections as per drawings, specifications. complete as directed by the Engineer-in-charge.

Providing & Grouting of dowel tubes / Shear keys / Joints of precast members with M-60 grade cementitious grout (Non Shrink) of approved make by suitable means ( Free flowing /pump) including shuttering, centering,curing etc. Complete as per directions of Engineer-in-charge. (The payment shall be made on the basis of actual weight of approved grout injected.) Stirrer mixed cementitious grout (non shrink) of approved make in dowel tubes / Shear keys / Joints of precast members.

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