6/10/NIeT/SDRF/EE/DED/GTA/27

Ringtong Sonada Dist - Darjeeling :- Land slide clearance in soil-Clearance of landslide in soil and ordinary rock by Bull dozer…

Earth work in excavation of foundation of structuresas per drawing and technical specification, includingsetting out, removing, spreading or stacking of spoilswithin a lead of 150 m. as directed and includingtrimming the sides of the trenches, leveling, dressingand ramming the bottom, and backfilling withapproved material complete as per direction of theEngineer-in-Charge

Plum Concrete work with 40 % Cement Concrete with 30 mm down graded stone metal and 60% stone boulder of size 150 mm and above, placed in position as directed excluding shuttering if any. (i) (1:3:6) proportion.

Hire and labour charges for Shuttering with or without staging upto 4.0 m height using approvedstout props with wooden planks/ply wood/steel sheetplate with required bracing for any kind of plain orreinforced concrete works in all sorts of minorstructure including culvert, box culvert, cross-drainetc. The rate is inclusive of fitting, fixing and strikingout after completion of work as per specification anddirection

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

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification. A) Granular material

Providing and laying Design Mix concrete for plain / reinforced concrete work in any part of bridge (excluding bottom plugging) with coarse aggregates of appropriate nominal size and grading, fine aggregate (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. (b) M-25 Grade

Supplying, fitting and placing HYSD bar reinforcement in Bridge Super-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.

Picking up and removing old bituminous layer or sand sealing coat from old black topped surface and cleaning the exposed surface by scraping and stacking the material. (ii) From 50 mm to 100 mm thick.

Surface Finishing Works- Dry Rubble Flooring Construction of dry rubble flooring at cross drainage works for relatively less important works.