Estimate for Restoration work of damages caused by heavy rainfall, flash flood in the mansoon season of FY 2025-26 in 33/11 KV S/Stn Nakror (U) Esd HPSEBL Tissa. (CBA-E-42/2025-26)

Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material.

Providing and laying cement concrete 1:5:10 and curing complete including the cost of form work for plain /reinforced concrete in retaining walls, breast wall as per drawing and HP:PWD technical specification.

Providing weep holes in brick/stone/plain seinforced concrete abutment, wing wall, return walls with 100 mm dia PVC pipe extending through the full width of the structure with slope of 1V: 20H towards drawing face complete as per drawing and technical specifications clauses 614, 709 and 1204.3.7.

Back filling behind abutment, wing wall and return walls complete as per drawing and 10.50 technical specifications clause 1204.3.8.

Providing and Laying concrete in position cement concrete of specified grade excluding the cost of centering and shuttering all work up to plinth level. 1:3:6 (1 cement:3 coarse sand 6 graded stone aggregate 40 mm nominal size)

Steel rainforcement for RCC work including straightening,cutting,bending ,placing in position and binding all complete upto plinth level TMT Bars of grade Fe-500 or more

Steel work welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of red lead paint in gratings framed guard bars, ladders, railing, brackets and similar works.

15 mm thick cement plaster of mix 1:4 (1cement: 4 coarse sand)

Supplying and stacking of gravel/soil aggregate well grade material of nominal maximum size grading 40 mm and stacked in proper stacks of half cubic metre along road side clear from the road fromation as per the direction of Engineer in Charge. The material shall confirm to the MORD specification.

Painting two coats (excluding primaing coat) on steel and other metal surface under coat with ready mixed paint brusing to give an even shade including cleaning the surface all dirt, dust and other foreign matter with white readymixed paint.

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